(Test Bank) Linux+ and LPIC-1 Guide to Linux Certification

Eckert, 5

Computer Science & Engineering

Test Bank

5th Edition

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Test Bank for Linux+ and LPIC-1 Guide to Linux Certification, The downloadable file consists of 161 pages, and the total size of the file is 3.12 MB. Purchase now only for highly discounted price.

Author(s): Eckert

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Study Note Preview

Name: Class: Date: Ch 01: Introduction to Linux Copyright Cengage Learning. Powered by Cognero. Page 1 Multiple Choice 1. The United States Air Force was able to install Linux on a popular gaming console and then connect over 1,700 of these systems together to work as one big supercomputer. Which of the following types of technologies did they implement? a. herding b. cloud computing c. group computing d. clustering ANSWER: d FEEDBACK: a. Incorrect. This term may apply to animals, but does not apply to supercomputing technologies. b. Incorrect. While clusters can be used in cloud computing, not enough information was provided to determine that it was indeed a cloud environment. c. Incorrect. You can use workgroups instead of domains when setting up a network of computers. However, the clients on the network do not work as one big supercomputer as described in the question. d. Correct. When multiple, or many, computers are joined together to work as one, it is called a cluster. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 5/7/2019 10:24 PM DATE MODIFIED: 5/23/2019 1:15 PM 2. Which of the following terms describes a type of useful and legitimate software that is distributed by a developer where they do not charge for the software but also do not distribute the source code along with it? a. shareware b. freeware c. malware d. tryware ANSWER: b FEEDBACK: a. Incorrect. Shareware may be free for a short while at the beginning, but the developer does charge after a certain point or in order to gain access to additional features. b. Correct. Freeware is a type of software that is distributed for free by a software developer, but the source code is not distributed along with it c. Incorrect. While malware is indeed typically distributed for free, it is not useful and legitimate. Types of malware include viruses, trojans, worms, logic bombs, etc. d. Incorrect. Tryware is not a commonly used term to describe different types of software and their licensing. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/25/2019 10:44 AM DATE MODIFIED: 7/25/2019 10:45 AM Name: Class: Date: Ch 01: Introduction to Linux Copyright Cengage Learning. Powered by Cognero. Page 2 3. Which of the following can be used to synchronize the time between a number of Linux servers and workstations on a network with a time clock source on the Internet? a. SFTP b. IMAP c. SMTP d. NTP ANSWER: d FEEDBACK: a. Incorrect. SFTP is the Simple File Transfer Protocol, which allows the secure transfer of files over a network. b. Incorrect. IMAP is the Internet Message Access Protocol, which is used for downloading messages from a mail server by a mail client. c. Incorrect. SMTP is the Simple Mail Transfer Protocol, which is used for sending e-mails. d. Correct. NTP is the Network Time Protocol, which can be used to synchronize a system’s time from a remote time clock source. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/25/2019 10:46 AM DATE MODIFIED: 7/25/2019 10:47 AM 4. Which of the following types of cloud platforms would a webmail service offered to the general public be considered? a. SaaS b. PaaS c. IaaS d. MaaS ANSWER: a FEEDBACK: a. Correct. Webmail services are a form of Software as a Service, or SaaS. b. Incorrect. Platform as a Service could include such offerings as MySQL or MS SQL Server platforms where the customer can create an instance of a database and manage it through standard database management tools (such as SQL Server Management Studio or Sequel Pro), but is not responsible for managing the underlying operating system. c. Incorrect. Infrastructure as a Service is a type of cloud offering where the customer can create virtual servers in the cloud and is responsible for managing the operating system, patching, antivirus, etc. d. Incorrect. While MaaS is not considered part of the three main types of cloud offerings defined by NIST SP 800-145, you may hear some refer to Monitoring as a Service which can monitor online states or track certain elements of a system. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/25/2019 10:47 AM DATE MODIFIED: 7/25/2019 10:48 AM 5. Which of the following server roles does Apache perform? Name: Class: Date: Ch 01: Introduction to Linux Copyright Cengage Learning. Powered by Cognero. Page 3 a. web server b. mail server c. name server d. certificate authority ANSWER: a FEEDBACK: a. Correct. Apache is one of the most popular web server platforms on the Internet. b. Incorrect. Apache is not a mail server. Postfix and Sendmail are examples of two popular mail servers. c. Incorrect. Apache is a web server. BIND is used for name server functions. d. Incorrect. Apache is a web server, not a certificate authority. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/25/2019 10:49 AM DATE MODIFIED: 7/25/2019 10:50 AM 6. Which of the following would be a term applicable to an e-mail program on a workstation that is used to view email? a. MTA b. MDA c. MUA d. MBR ANSWER: c FEEDBACK: a. Incorrect. MTA is the Mail Transfer agent that is used for transferring e-mail between servers. b. Incorrect. MDA is the Mail Delivery Agent that is used to download e-mail from a Mail Transfer Agent. c. Correct. MUA is the Mail User Agent that a user may use to view email on a system. d. Incorrect. MBR is a Master Boot Record and is not used for email delivery, transmission, or viewing. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/25/2019 10:50 AM DATE MODIFIED: 7/25/2019 10:51 AM 7. Which of the following types of servers can be used to cache requested Internet resources so that they can be more quickly delivered to users requesting the same resource while at the same time reducing the burden on the external network connection to the Internet for an organization? a. file server b. DNS server c. proxy server d. DHCP server ANSWER: c Name: Class: Date: Ch 01: Introduction to Linux Copyright Cengage Learning. Powered by Cognero. Page 4 FEEDBACK: a. Incorrect. A file server provides a common space for users on a network to store and share files with other users on the network. b. Incorrect. A DNS server resolves names to IP addresses. c. Correct. A proxy server requests Internet resources on a user’s behalf and can be configured to cache results so that multiple users requesting the same content don’t require contacting the resource individually. d. Incorrect. A DHCP server is used to dynamically assign IP addresses and other configuration information to clients when they join a network. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/25/2019 10:52 AM DATE MODIFIED: 7/25/2019 10:53 AM 8. Which of the following types of encryption uses a pair of keys known as a public and private? a. symmetric b. asymmetric c. SHA1 hashing d. message digest ANSWER: b FEEDBACK: a. Incorrect. Symmetric encryption uses the same key to encrypt and decrypt data. b. Correct. Asymmetric encryption uses a public/private key pair. c. Incorrect. SHA1 does not use a public/private key pair. It creates a message digest of the input that is run through the hashing algorithm. d. Incorrect. A message digest it the output of a hashing function. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/25/2019 10:54 AM DATE MODIFIED: 7/25/2019 10:55 AM 9. When viewing the version number for a Linux kernel, what number indicates the stability of the kernel? a. Major number b. Revision number c. Minor number d. Production kernel number ANSWER: c FEEDBACK: a. Incorrect. Major number indicates the major revision of the Linux Kernel. Whenever a major kernel feature is implemented, the major number is usually incremented. b. Incorrect. The revision number indicates the most current changes to the version of the kernel released, it reflects the constant improvements that developers perform to the kernel code. c. Correct. Minor number indicates the stability based on the introduction of new features added to the Linux Kernel. d. Incorrect. Production kernel numbers refer for modern Linux Kernels that have major, Name: Class: Date: Ch 01: Introduction to Linux Copyright Cengage Learning. Powered by Cognero. Page 5 minor, and revision numbers. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/25/2019 10:55 AM DATE MODIFIED: 7/25/2019 10:57 AM 10. Which of the following is the greatest expense for companies using Linux? a. Additional software b. Operating system cost c. Hiring people to maintain the Linux system d. Software upgrades ANSWER: c FEEDBACK: a. Incorrect. Since most of the software available for Linux is open source, additional software is not considered an expense for companies using Linux. b. Incorrect. Linux is an open source operating system, and no cost is associated with acquiring it. c. Correct. Hiring staff to maintain the Linux system, along with the costs such as purchasing the computer hardware necessary for the computers to host Linux, is the greatest expense for companies using Linux. d. Incorrect. The cost for software upgrades is usually low or none. Any changes associated with a software upgrade are reflected on the large community of developers and are available at no cost in the Linux community. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/25/2019 10:57 AM DATE MODIFIED: 7/25/2019 10:59 AM 11. In Linux, the core component of the GUI is known as: a. GNOME b. KDE c. X Windows d. Red Hat ANSWER: c FEEDBACK: a. Incorrect. GNOME is one of the main competing GUI Environments available in Linux. b. Incorrect. KDE is one of the main competing GUI Environments available in Linux. c. Correct. The original implementation of X Windows on Linux was called XFree86. This core component affects the look and feel of the Linux GUI. d. Incorrect. Red Hat is a Linux distribution. The desktop environment that uses it is GNOME as default POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False Name: Class: Date: Ch 01: Introduction to Linux Copyright Cengage Learning. Powered by Cognero. Page 6 DATE CREATED: 7/25/2019 10:59 AM DATE MODIFIED: 7/25/2019 11:02 AM 12. An archive of files that usually contain scripts that install the software contents to the correct location on the system is referred to as a: a. Router b. Package manager c. DBMS d. Tarball ANSWER: d FEEDBACK: a. Incorrect. Routers are devices used to provide interconnections. They are used to send information between networks. Routers are hardware devices and scripts are software contents. b. Incorrect. The package manager is similar to Apps and Features/Programs and Features sections in Windows. Its purpose is to install and maintain software in the operating systems. It keeps track of installed software, requires a standard format and documentation, and can manage and remove software from the system by recording all relevant software information in a central software database. However, package managers are not actual scripts and they do not install software contents. c. Incorrect. DBMS stands for Data Base Management Systems. DBMSs are used to store data in specific format, not to archive files or scripts to install software. d. Correct. Tarball is a compressed archive of files, very similar to WinZip or RAR files. It is used for distributions or backup purposes. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/25/2019 11:03 AM DATE MODIFIED: 7/25/2019 11:05 AM 13. What Linux distribution is the most commonly used distribution within organizations today? a. Mandrake b. SuSE c. Debian d. Red Hat ANSWER: d FEEDBACK: a. Incorrect. Mandrake was a popular version in 1998, that now is called Mandriva. Common extension files found on Linux are .mdk, derived from Mandrake version. b. Incorrect. SuSE distribution is considered to be one of the oldest existing commercial distributions. c. Incorrect. Debian offers the largest number of customization options of all Linux distributions. d. Correct. Red Hat is one of the earliest Linux distributions and is commonly used within organizations. Support platforms include: x86/x64, PPC/POWER, Mainframe, and ARM. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False Name: Class: Date: Ch 01: Introduction to Linux Copyright Cengage Learning. Powered by Cognero. Page 7 DATE CREATED: 7/25/2019 11:30 AM DATE MODIFIED: 7/25/2019 11:31 AM 14. What service provides a method for the efficient transfer of files over the Internet? a. FTP b. HTML c. SMTP d. Telnet ANSWER: a FEEDBACK: a. Correct. The File Transfer Protocol (FTP), is the service that transfer files over the Internet. A recent protocol that focuses on secure file transfer is called SFTP based on FTP. b. Incorrect. HTML stands for Hypertext Markup Language. It is a programming language designed to be displayed on the web browser. c. Incorrect. SMTP stands for Simple Mail Transfer Protocol, a protocol used to send email messages between servers. d. Incorrect. Telnet (teletype network), is a protocol used on local area networks to send and receive interactive, text-oriented communication. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/25/2019 11:31 AM DATE MODIFIED: 7/25/2019 11:32 AM 15. The iptables software on Linux is an example of what kind of software? a. Routing b. Anti-virus c. Firewall d. Proxy ANSWER: c FEEDBACK: a. Incorrect. Routing is a service used to connect networks. Routing requires ip addresses to connect between networks, allowing them to communicate with each other. b. Incorrect. Anti-virus is a software devoted to searching for virus configurations in the system. It does not require iptables to perform its objective. c. Correct. The iptables, also known as netfilters, are included as part of all Linux distributions and are used to configure a set of rules necessary to make a system firewall. d. Incorrect. A proxy is an intermediate service that requests internet resources on behalf of a computer inside a company. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/25/2019 11:32 AM DATE MODIFIED: 7/25/2019 11:33 AM 16. What piece of software tells the operating system how to use a specific hardware device? Name: Class: Date: Ch 01: Introduction to Linux Copyright Cengage Learning. Powered by Cognero. Page 8 a. Graphical user interface b. System service c. Device driver d. User interface ANSWER: c FEEDBACK: a. Incorrect. The Graphical User Interface (GUI) is a piece of software that permits the computer user to interact with the system through menus, dialog boxes, and symbols, by using a keyboard or mouse. b. Incorrect. System services are applications that handle system-related tasks such as printing, scheduling programs, and network access. c. Correct. The device driver is responsible for communicating with the operating system on how to establish communication with specific devices. d. Incorrect. A user interface is a program that accepts user input indicating what to do, forwards the input to the operating system for completion, and after it is completed, gives the results back to the user. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/25/2019 11:34 AM DATE MODIFIED: 7/25/2019 11:35 AM 17. What software type is distributed free of charge, but the source code is not available? a. Open source software b. Shareware c. Closed source software d. Freeware ANSWER: d FEEDBACK: a. Incorrect. The open source software is the software in which the source code and software can be obtained free of charge and optionally modified to suit a particular need. An example of this is Linux. b. Incorrect. The Shareware is considered to be a closed source software that is initially given out free of charge but that requires payment after a certain period of use. c. Incorrect. The closed source software is a software in which the source code is not available; although this type of software might be distributed free of charge, it is usually quite costly and commonly referred to as commercial software d. Correct. Freeware is a closed source software that is given out free of charge; it is sometimes referred to as freemium software. This does not contain the source code. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/25/2019 11:35 AM DATE MODIFIED: 7/25/2019 11:36 AM 18. The mutt software is an example of what type of mail service software on Linux? a. Mail Transfer Agent b. Mail Delivery Agent Name: Class: Date: Ch 01: Introduction to Linux Copyright Cengage Learning. Powered by Cognero. Page 9 c. Mail User Agent d. Mail Transport Agent ANSWER: c FEEDBACK: a. Incorrect. The Mail Transfer Agents are emails that are distributed via a network of email services such as sendmail, postfix, and exim. b. Incorrect. The Mail Delivery Agent is the service that downloads the mail from an MTA in order to access it. c. Correct. The mutt software is a text-based email client for Linux distributions. It is a Mail User Agent. d. Incorrect. Mail Transport Agents are responsible to transferring and routing mail from sender to receiver. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/25/2019 11:37 AM DATE MODIFIED: 7/25/2019 11:38 AM 19. Proxy servers keep track of the information passed to each client by maintaining what type of table? a. Firewall b. Routing c. Network Address Translation (NAT) d. Caching ANSWER: c FEEDBACK: a. Incorrect. Firewalls are mechanisms to prevent access to a system based on iptables configured in Linux. b. Incorrect. Routing is a service used to connect networks. Routing requires ip addresses to connect between networks, allowing them to communicate with each other. c. Correct. Proxy servers keep track of information passed to each client and the mechanism in charge of performing the remapping of one IP address into another takes place in the NAT. d. Incorrect. Caching is the process of retaining a copy of any requested resource, with the purpose of responding quickly to future requests for the same resources. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/25/2019 11:38 AM DATE MODIFIED: 7/25/2019 11:39 AM Multiple Response 20. What two Linux distributions utilize the Debian package manager by default? a. Red Hat Linux b. SUSE Linux c. Linux Mint d. Ubuntu Linux Name: Class: Date: Ch 01: Introduction to Linux Copyright Cengage Learning. Powered by Cognero. Page 10 ANSWER: c, d FEEDBACK: a. Incorrect. Red Hat is one of the earliest Linux distributions that does not utilizes the Debian package manager. b. Incorrect. SuSE is one of the earliest Linux distributions that does not utilizes the Debian package manager. c. Correct. Linux Mint is a Debian-based distribution, focused on providing desktop and mobile user capabilities. d. Correct. Ubuntu is a Debian-based distribution that is widely used in all environments. POINTS: 1 QUESTION TYPE: Multiple Response HAS VARIABLES: False DATE CREATED: 7/25/2019 11:39 AM DATE MODIFIED: 7/25/2019 11:41 AM Name: Class: Date: Ch 02: Linux Installation and Usage Copyright Cengage Learning. Powered by Cognero. Page 1 Multiple Choice 1. Sandra needs to obtain the latest image of Fedora so that she can install it as a virtual machine on her Windows workstation. Which of the following file formats is Sandra likely to find available for download from Fedora’s website in order to allow her to use the file as the source for booting and installing Linux as a VM? a. .zip b. .tar.gz c. .iso d. .tgz ANSWER: c FEEDBACK: a. Incorrect. The .zip file format is commonly used to distribute compressed archives of files, but it is not commonly used to distribute versions of Linux. b. Incorrect. The .tar.gz extension is used to distribute compressed archives, but is not commonly used to distribute most versions of Linux. c. Correct. This is a disk image that is commonly available to download from Linux distribution sites and is meant to be burned to an optical disc or used as installation media for virtual machines. d. Incorrect. The .tgz file extension is the shorthand for files that have been tarred and gzipped—.tar.gz—however, it is not commonly used to distribute Linux. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 5/7/2019 10:26 PM DATE MODIFIED: 5/23/2019 1:25 PM 2. Which of the following are true of the echo command? a. When used to display text, quotation marks are optional. b. It can be used to display shell variables by including a $ sign in front of the variable name. c. Including a semicolon at the end of the line will not affect the text being displayed. d. All of the other options are true. ANSWER: d FEEDBACK: a. Incorrect. All of the options are true. b. Incorrect. All of the options are true. c. Incorrect. All of the options are true. d. Correct. All of the options are true. The echo command can be used to display text whether the text is surrounded by quotation marks or not. It will display shell variables by using the $ sign in front of the variable name. It will also execute the command with a semicolon at the end and not affect the text. This is because you can run multiple commands at the command line by separating them with semicolons, but if there is only one command, it just stops after that command. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 5/7/2019 10:30 PM DATE MODIFIED: 5/23/2019 1:26 PM Name: Class: Date: Ch 02: Linux Installation and Usage Copyright Cengage Learning. Powered by Cognero. Page 2 3. Dustin runs a command at the command line trying to find out what kernel version the system is running. However, it doesn’t give him the information he needs. He knows there is an option that can be used to display the kernel version. How can he find out which option to use? a. ver --help b. help version c. man uname d. lsproc -? ANSWER: c FEEDBACK: a. Incorrect. There is not a ver command on the Linux operating system. b. Incorrect. There is not a version command on the Linux operating system. c. Correct. The man command will display the manual pages for a command. The uname command will display system information. To display just the kernel version, he would be able to run the command and option combination of uname -v. d. Incorrect. There is not an lsproc command on the Linux operating system. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 5/7/2019 10:32 PM DATE MODIFIED: 5/23/2019 1:29 PM 4. Under the root directory in Linux, which directory contains system commands and utilities? a. /opt b. /var c. /boot d. /usr ANSWER: d FEEDBACK: a. Incorrect. The /opt directory is used as an alternate location for additional programs, also known as add-on application software packages. b. Incorrect. The /var directory is used to store log files and spools. Different Linux distributions use this particular directory for print servers. c. Incorrect. The /boot directory mostly contains the contents for the Linux Kernel files or the boot loader files. d. Correct. The /usr folder contains the system commands and utilities for a Linux operating system. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/26/2019 8:47 AM DATE MODIFIED: 7/26/2019 8:48 AM 5. When using command-line terminal, specific letters that start with a dash ("-") and appear after command names are considered to be: a. Arguments b. Options c. Keywords Name: Class: Date: Ch 02: Linux Installation and Usage Copyright Cengage Learning. Powered by Cognero. Page 3 d. Metacharacters ANSWER: b FEEDBACK: a. Incorrect. Similar to options, arguments appear after the command name, however, they do not start with a dash. It is important to note commands, options, and arguments are case sensitive. b. Correct. Options are specific letters that start with a dash and are specific to the command. The meaning of each letter depends on the task that needs to be performed and whoever developed the command, determined which option would be used. c. Incorrect. Keywords are used whenever the user would like to use a search on the manual pages. d. Incorrect. Metacharacters are keyboard characters that have special meaning in the system. It is important to avoid metacharacters when typing commands unless the user needs to take advantage of their special functionality. Examples of these metacharacters in Linux include $, ~, #, &, ;. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/26/2019 8:48 AM DATE MODIFIED: 7/26/2019 8:50 AM 6. Which Linux command can be utilized to display your current login name? a. who b. whoami c. id d. w ANSWER: b FEEDBACK: a. Incorrect. The who command displays the currently logged-in users including the user itself (i.e., the user’s logging name). b. Correct. The whoami command displays the user’s login name. c. Incorrect. The id command displays the number associated with the user’s account name and group names. These are commonly referred to as User IDs (UIDs) and Group IDs (GIDs). d. Incorrect. Similar to the who command, the w command displays the currently logged-in users, however, the w command displays the tasks for each user logged-in. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/26/2019 8:50 AM DATE MODIFIED: 7/26/2019 8:51 AM 7. After a shell is no longer needed, what command can be given to exit the shell? a. exit b. stop c. reset d. quit ANSWER: a Name: Class: Date: Ch 02: Linux Installation and Usage Copyright Cengage Learning. Powered by Cognero. Page 4 FEEDBACK: a. Correct. The exit command allows you to exit out of your current shell. b. Incorrect. The stop command does not exist through the shell. c. Incorrect. The reset command is used to “reset” the terminal as a default terminal setting. d. Incorrect. The quit command is not used through the terminal. The quit command is used in other Linux applications such as vi or vim. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/26/2019 8:51 AM DATE MODIFIED: 7/26/2019 8:52 AM 8. A calendar for the current month can be shown on the command line by issuing which command? a. date b. cal c. w d. id ANSWER: b FEEDBACK: a. Incorrect. The date command prints the current date and time of the current system. The date command is widely used for security purposes for time stamps. b. Correct. The cal command displays the calendar for the current month. The cal command accepts different options that allow you to display the calendar according to the options you choose. c. Incorrect. The w command displays the current logged-in users and their tasks. d. Incorrect. The id command displays the number associated with the user’s account name and group names. These are commonly referred to as User IDs (UIDs) and Group IDs (GIDs). POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/26/2019 8:52 AM DATE MODIFIED: 7/26/2019 8:53 AM 9. What metacharacter indicates background command execution? a. @ b. ^ c. & d. ! ANSWER: c FEEDBACK: a. Incorrect. The @ symbol is not used as a metacharacter. b. Incorrect. The ^ symbol is not used as a metacharacter. However, it is widely used for common regular expressions in Linux. c. Correct. The & metacharacter is used for background command execution. d. Incorrect. The ! symbol is used in the terminal as a way to recall previous execution commands. Name: Class: Date: Ch 02: Linux Installation and Usage Copyright Cengage Learning. Powered by Cognero. Page 5 POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/26/2019 8:53 AM DATE MODIFIED: 7/26/2019 8:55 AM 10. What metacharacter can be used to issue two commands to be run in consecutive order, without piping or redirecting output? a. \ b. & c. ; d. | ANSWER: c FEEDBACK: a. Incorrect. The \ metacharacter is used primarily to represent quotes (single or double). b. Incorrect. The & metacharacter is used for background command execution. c. Correct. The ; metacharacter is used as a command termination. The ; terminates the execution of a specified command. d. Incorrect. The | metacharacter is used to pipe and redirect output from another command execution. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/26/2019 8:59 AM DATE MODIFIED: 7/26/2019 9:01 AM 11. The apropos list command produces the same results as which command below? a. man -j list b. man -k list c. man -l list d. man -m list ANSWER: b FEEDBACK: a. Incorrect. The option -j does not exist for the manual. b. Correct. The command man -k is equivalent to apropos. Both commands will give the exact same output on the terminal screen. c. Incorrect. The option -l does not exist for the manual. d. Incorrect. The option -m requests the specific manual page to display. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/26/2019 9:01 AM DATE MODIFIED: 7/26/2019 9:02 AM 12. What directory under / contains the log files and spools for a Linux system? Name: Class: Date: Ch 02: Linux Installation and Usage Copyright Cengage Learning. Powered by Cognero. Page 6 a. /boot b. /usr c. /opt d. /var ANSWER: d FEEDBACK: a. Incorrect. The /boot directory mostly contains the contents for the Linux Kernel files or the boot loader files. b. Incorrect. The /usr folder contains the system commands and utilities for a Linux operating system. c. Incorrect. The /opt directory is used as an alternate location for additional programs, also known as add-on application software packages. d. Correct. The /var directory is used to store log files and spools. Different Linux distributions use this particular directory for print servers. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/26/2019 9:03 AM DATE MODIFIED: 7/26/2019 9:04 AM 13. After logging into a terminal, a user will receive an interface known as which option? a. Processor b. User interface c. Swap memory d. Shell ANSWER: d FEEDBACK: a. Incorrect. The processor is the term for the central unit in the computer system. The processor is the unit responsible for performing computations. b. Incorrect. There are different user interfaces. The terminal is one considered to be a text user interface. c. Incorrect. The swap memory is another name for virtual memory, which consists of an area on the hard disk, or SSD, that can be used to store information that would normally reside in physical memory (RAM) if the physical memory was being used excessively. d. Correct. The shell is the interface that interacts with the computer user. The shell is responsible for accepting the user’s commands and passing them to the kernel for processing. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/26/2019 9:04 AM DATE MODIFIED: 7/26/2019 9:05 AM 14. The Linux kernel exists as a file named: a. vmlinuz b. vmlinux c. kernel.0 Name: Class: Date: Ch 02: Linux Installation and Usage Copyright Cengage Learning. Powered by Cognero. Page 7 d. krn.linux ANSWER: a FEEDBACK: a. Correct. The vmlinuz is the file name containing the Linux Kernel executable. b. Incorrect. The vmlinux is the linked executable file, also known as the ELF for Executable Linked Format. c. Incorrect. The kernel.0 file does not exist in Linux. d. Incorrect. The krn.linux file name that does not exists in Linux. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/26/2019 9:05 AM DATE MODIFIED: 7/26/2019 9:06 AM 15. Select the utility below that will start and perform a thorough check of RAM for hardware errors when run. a. memcheck68 b. memtest86 c. fixram d. fsck ANSWER: b FEEDBACK: a. Incorrect. There is no memcheck68 utility in Linux. b. Correct. The memtest86utility performs a thorough check of the RAM for hardware errors. c. Incorrect. The fixram utility does not exist in Linux. d. Incorrect. The fsck is a utility tool in Linux used for checking the consistency of a filesystem, similar to chkdsk. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/26/2019 9:06 AM DATE MODIFIED: 7/26/2019 9:08 AM Multiple Response 16. Wayne is using the command line and is in his home directory. Which of the following will display a list of all files and their sizes from his home directory? (Choose two.) a. ls -ax b. ls -al ~ c. ls -ax ~ d. ls -al /home/wayne ANSWER: b, d FEEDBACK: a. Incorrect. The -a will list all files, but the -x will list in them in multiple columns. It does not display the file sizes. b. Correct. The -a will list all files and the -l will list extra information about them, including file sizes. The tilde is a shortcut way of referencing a user’s home directory. Name: Class: Date: Ch 02: Linux Installation and Usage Copyright Cengage Learning. Powered by Cognero. Page 8 c. Incorrect. The -a will list all files, but the -x will list them in multiple columns. It does not display the file sizes. The tilde is another way of referencing the user’s home directory. d. Correct. The -a will list all files and the -l will list extra information about them. POINTS: 1 QUESTION TYPE: Multiple Response HAS VARIABLES: False DATE CREATED: 5/7/2019 10:31 PM DATE MODIFIED: 5/23/2019 1:28 PM Name: Class: Date: Ch 03: Exploring Linux Filesystems Copyright Cengage Learning. Powered by Cognero. Page 1 Multiple Choice 1. Kate wants to compare two text files to identify what might have been changed from one version to another. Which of the following commands can she use to do this? a. match document1.txt document2.txt b. version --compare document1.txt document2.txt c. compare document1.txt document2.txt d. diff document1.txt document2.txt ANSWER: d FEEDBACK: a. Incorrect. There is not a match command in the Linux operating system. b. Incorrect. There is not a version command in the Linux operating system. c. Incorrect. There is not a compare command in the Linux operating system. d. Correct. The diff command will compare the contents of two text files. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 5/7/2019 10:50 PM DATE MODIFIED: 5/23/2019 2:07 PM 2. Mike has changed directory into one subdirectory after the next and has lost track of where he’s at in the directory tree. Which of the following commands can he use to tell him the full path to the current subdirectory he is in? a. cd - b. pwd c. cwd d. ls -dir ANSWER: b FEEDBACK: a. Incorrect. The cd command when followed by a single dash and no other characters will go back to the previous directory the user was in and display the full directory path to standard output. b. Correct. The pwd command stands for present working directory. c. Incorrect. There is not a cwd command in the Linux operating system. d. Incorrect. This command will list directories (-d) in reverse order (-r) along with their inodes (-i). POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 5/7/2019 10:54 PM DATE MODIFIED: 5/23/2019 2:08 PM 3. Garrett wants to search through a csv file to find all rows that have either the name John or Bob in them and display them out to the terminal. Which of the following commands could Garrett use to perform this search? a. grep -E “(John|Bob)” salesemployees.csv b. grep (John|Bob) salesemployees.csv c. grep -E (John|Bob) salesemployees.csv Name: Class: Date: Ch 03: Exploring Linux Filesystems Copyright Cengage Learning. Powered by Cognero. Page 2 d. egrep (John|Bob) salesemployees.csv ANSWER: a FEEDBACK: a. Correct. The grep command has a -E option that specifies that it should use extended regular expressions. When used inside parentheses and the pipe symbol, you can search for lines that contain either John or Bob. The pipe symbol is commonly used as an OR operator. b. Incorrect. Using parentheses is considered an extended regular expression, so the -E option would need to be used. c. Incorrect. When using a regular expression to search a file, quotation marks must be used around the regular expression. d. Incorrect. When using a regular expression to search a file, quotation marks must be used around the regular expression. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 5/7/2019 11:01 PM DATE MODIFIED: 5/29/2019 3:30 PM 4. When using the vi text editor, which of the following keys, when in command mode, will change to insert mode and place the cursor at the end of the current line? a. i b. a c. I d. A ANSWER: d FEEDBACK: a. Incorrect. A lowercase i changes to insert mode and places the cursor before the current character to insert new text. b. Incorrect. A lowercase a changes to insert mode and places the cursor after the current character to append new text. c. Incorrect. A capital I changes to insert mode and places the cursor at the beginning of the current line to insert new text. d. Correct. A capital A will change to insert mode and move to the end of the current line to append new text. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 5/7/2019 11:48 PM DATE MODIFIED: 5/23/2019 2:09 PM 5. When using the vi text editor, which of the following keys, when in command mode, will move to the last line in the document? a. G b. L c. P d. W ANSWER: a Name: Class: Date: Ch 03: Exploring Linux Filesystems Copyright Cengage Learning. Powered by Cognero. Page 3 FEEDBACK: a. Correct. A capital G will move the cursor to the last line in the document. b. Incorrect. A capital L will go to the last line being displayed on the screen. If the document is longer than can be displayed on one screen and there are more lines below the bottom of the screen, then it does not move to the last line of the document, only the screen itself. c. Incorrect. A capital P pastes the contents of the memory buffer above the current line. d. Incorrect. A capital W will move the cursor forward one word to the beginning of the next word. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 5/7/2019 11:49 PM DATE MODIFIED: 5/23/2019 2:10 PM 6. What command can be issued to confirm which directory you are in at a command line prompt? a. dir b. pwd c. whereami d. ld ANSWER: b FEEDBACK: a. Incorrect. The dir command does not exist in Linux. The dir command is the Windows command equivalent to ls in Linux. b. Correct. The pwd (print working directory) command prints the current directory where the user is located at a command line prompt. c. Incorrect. The command whereami appears only in certain distributions of Linux such as Debian. It provides a configurable and extensible framework for automatic location-detection and reconfiguration of computers. d. Incorrect. The command ld does not exist in Linux. It may be confused with ls, which lists the current file directory elements. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/26/2019 9:32 AM DATE MODIFIED: 7/26/2019 9:33 AM 7. In order to move from the /home/joe/test/data to the /home/joe directory, what command should be issued? a. cd .. b. cd ../.. c. /home/joe d. cd ./.. ANSWER: b FEEDBACK: a. Incorrect. The cd .. command backtracks one level of the current directory. In this example, it allows you to move to the directory /home/joe/test when issued b. Correct. The cd ../.. command allows you to move back two previous directories from the current directory. This command will move you to the /home/joe directory. Name: Class: Date: Ch 03: Exploring Linux Filesystems Copyright Cengage Learning. Powered by Cognero. Page 4 c. Incorrect. The /home/joe command will result on a -bash message only reporting that /home/joe is a directory. In order to move to that specific path of the directory, the command should be cd /home/joe. d. Incorrect. The command cd ./..will simply move to one upper level (i.e., /home/joe/test). POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/26/2019 9:35 AM DATE MODIFIED: 7/26/2019 9:36 AM 8. If enough unique letters of a directory name have been typed, what key can be pressed to activate the BASH shell's completion feature? a. Alt b. Tab c. Ctrl d. Esc ANSWER: b FEEDBACK: a. Incorrect. The Alt key does not provide the completion feature for BASH shells, instead it is used for other purposes such as making uppercase or lowercase letters, or to move through files. b. Correct. The Tab key can be used as the “auto complete” feature these days. If there are multiple files or commands that match with the completion feature, the terminal provides the options so the user can select one of the preferences. c. Incorrect. The Ctrl key does not provide the completion feature. The Ctrl key is used to provide location through letters, cursors, or to perform system commands, such as terminate processes. d. Incorrect. The Esc key does not provide the completion feature. It is widely-used on Linux editors such as Emacs or vi to perform editing options. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/26/2019 9:36 AM DATE MODIFIED: 7/26/2019 9:37 AM 9. When issuing the ls -F command, what special character indicates a linked file? a. @ b. * c. & d. = ANSWER: a FEEDBACK: a. Correct. The @ symbol indicates that the file is a linked file. b. Incorrect. The * symbol indicates the file is an executable file. c. Incorrect. The & is not an indicator of anything under ls -F. d. Incorrect. The = symbol indicates a socket. POINTS: 1 Name: Class: Date: Ch 03: Exploring Linux Filesystems Copyright Cengage Learning. Powered by Cognero. Page 5 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/26/2019 9:38 AM DATE MODIFIED: 7/26/2019 9:39 AM 10. Select the command that can be used to provide a long listing for each file in a directory: a. ls -T b. ls -L c. ls -F d. ls -I ANSWER: d FEEDBACK: a. Incorrect. The ls -T is not used as a command. b. Incorrect. The ls -L is not used as a command. c. Incorrect. The ls -F is a quick way of getting file type information in an easy-to-read format. d. Correct. The ls -l is used to provide a long listing for each file in a certain directory. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/26/2019 9:39 AM DATE MODIFIED: 7/26/2019 9:40 AM 11. What command can be used to display the last five lines of a text file? a. end -5 b. head -5 c. stop -5 d. tail -5 ANSWER: d FEEDBACK: a. Incorrect. The end -5 command does not exist. b. Incorrect. The head command by default retrieves the first 10 lines on a file. In this example, the command will display the first five lines of a text file. c. Incorrect. The stop -5 command does not exist. d. Correct. The tail command by default retrieves the last 10 lines on a file. However, by specifying a number after the dash (-), the user has the capability to customize the number of lines to retrieve. In this example, -5 is used to display the last five lines on the file. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/26/2019 9:40 AM DATE MODIFIED: 7/26/2019 9:41 AM 12. Select the regular expression metacharacter that matches 0 or more occurrences of the previous character. a. * Name: Class: Date: Ch 03: Exploring Linux Filesystems Copyright Cengage Learning. Powered by Cognero. Page 6 b. ? c. + d. ^ ANSWER: a FEEDBACK: a. Correct. While using regular expressions, the * permits you to match 0 or more occurrences of the previous character. b. Incorrect. While using regular expressions, the ? permits you to match 0 or 1 occurrences of the previous character. c. Incorrect. While using regular expressions, the + permits you to match 1 or more occurrences of the previous character. d. Incorrect. While using regular expressions, the ^ character matches the following characters if they are the first characters in the line. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/26/2019 9:59 AM DATE MODIFIED: 7/26/2019 10:00 AM 13. Which of the following key combinations, commonly used in the vi editor command mode, displays current line statistics? a. $ b. x c. Crl+g d. P ANSWER: c FEEDBACK: a. Incorrect. On vi, the $ permits you to move the cursor to the end of a line. b. Incorrect. The x on vi, deletes the character the cursor is on. c. Correct. Current line statistics include the filename, current line number, total lines in a file, and the percentage (%) of file location. d. Incorrect. The P on vi, pastes the contents of the temporary memory buffer above the current line. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/26/2019 10:00 AM DATE MODIFIED: 7/26/2019 10:02 AM 14. To display a text file in reverse order, what command should be used? a. cat b. tac c. tee d. sed ANSWER: b FEEDBACK: a. Incorrect. The cat program is used to create or display the contents of a file. The cat Name: Class: Date: Ch 03: Exploring Linux Filesystems Copyright Cengage Learning. Powered by Cognero. Page 7 along other utilities permit you to display contents within the BASH terminal. The cat is the shortcut for concatenation. b. Correct. The tac command (is cat spelled backwards) is used to display a file in reverse order. c. Incorrect. The tee command is often used to read output from a text utility and redirect the output from the utility to a file or another text utility. d. Incorrect. The sed is a text tool and programming language to manipulate regular expressions in Linux. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/26/2019 10:02 AM DATE MODIFIED: 7/26/2019 10:03 AM 15. What command is most effective at identifying different types of files? a. stat b. ls -l c. ll d. file ANSWER: a FEEDBACK: a. Correct. The stat command provides information about a file’s attributes. b. Incorrect. The command ls -l is used to provide a long listing for each of the files in a certain directory. c. Incorrect. The ll command is commonly known as an alias for ls -l. d. Incorrect. The file command serves to determine if a given file type may be human-readable, i.e., ASCII or MIME type. If the file command is used on directories, it displays that directory or symbolic link for specific files. POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 7/26/2019 10:03 AM DATE MODIFIED: 7/26/2019 10:04 AM 16. At the vi command mode prompt, what key combination will force a quit from the vi editor without saving changes? a. :q b. :q! c. :exit d. :! ANSWER: b FEEDBACK: a. Incorrect. The :q command will quit (or exit) vi. b. Correct. The :q! quits vi regardless of whether the last changes have been saved for the current vi execution. c. Incorrect. The :exit command does not exist in vi. The exit itself terminates the terminal session outside of vi. d. Incorrect. The :! command does not exist in vi. The ! is commonly used in vi to force