Open Source Software Administration
Exam Questions
Course Introduction
This course provides a comprehensive overview of administering open source software in modern computing environments. Students will learn the fundamentals of installing, configuring, securing, and maintaining popular open source platforms and applications commonly used in industry. Topics include software packaging and deployment, user and permission management, performance monitoring, troubleshooting, backup procedures, and best practices for ensuring system reliability and security. Through hands-on labs and real-world scenarios, participants will gain practical experience with open source operating systems and tools, preparing them to effectively manage open source solutions within enterprise or organizational contexts.
Recommended Textbook
Linux+ Guide to Linux Certification 3rd Edition by Jason Eckert
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14 Chapters
630 Verified Questions
630 Flashcards
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Chapter 1: Introduction to Linux
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Sample Questions
Q1) Linux kernel version 2.5.9 is a(n) ____________________ kernel.
Answer: developmental
Q2) Linux is based on the Windows operating system.
A)True
B)False
Answer: False
Q3) A(n) ____ service provides an efficient method for transferring files over the Internet.
A) FTP
B) DNS
C) Web
D) Mail
Answer: A
Q4) ____________________ consists of the physical components inside a computer that are electrical in nature.
Answer: Hardware
Q5) Each computer participating on the Internet must have an IP address.
A)True
B)False
Answer: True
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Chapter 2: Linux Installation and Usage
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45 Flashcards
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Sample Questions
Q1) Command that halts the system immediately and powers down the computer
A)boot loader
B)dual booting
C)ext3
D)ext2
E)terminal
F)Network Information Service (NIS)
G)options
H)arguments
I)poweroff
Answer: I
Q2) When a user interacts with his computer, he interacts directly with the kernel of the computer's operating system.
A)True
B)False
Answer: False
Q3) To print the current date and time, type the command ____________________.
Answer: date
Q4) Another name for virtual memory is ____________________ memory.
Answer: swap
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Chapter 3: Exploring Linux Filesystems
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45 Flashcards
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Sample Questions
Q1) Linux uses a logical directory tree to organize files into different folders.
A)True
B)False
Answer: True
Q2) The ____ metacharacter can also be used to refer to the current user's home directory.
A) ~ B) @
C) & D) #
Answer: A
Q3) What is the disadvantage of using the cat command to display a very large text file? How can you get around this problem?
Answer: Although some text files can be displayed completely on the terminal screen, you might encounter text files that are too large to be displayed. In this case, the cat command displays the entire file contents in order to the terminal screen and the top of the file is not displayed because there is not enough screen area to do so. Thus, it is useful to display text files in a page-by-page fashion by using either the more or less commands.
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Chapter 4: Linux Filesystem Management
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Sample Questions
Q1) When using the find command, the -size x criteria is used to search for files with a size greater than x. _________________________
A)True
B)False
Q2) When a user creates a file or directory, that user's name and ____________________ becomes the owner and group owner of the file, respectively.
Q3) To create a subdirectory, you would use the makedir command.
A)True
B)False
Q4) In a file's mode, if a permission is unavailable, a(n) ____ character replaces its position in the mode.
A) *
B) +
C) (?)
D) -
Q5) You can use wildcard metacharacters with the find command. A)True B)False
Page 6
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Chapter 5: Linux Filesystem Administration
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Sample Questions
Q1) What is filesystem corruption? What factors may lead to filesystem corruption?
Q2) To view the size of a directory and its contents in Kilobytes, you can use the du command. _________________________
A)True
B)False
Q3) To mount all filesystems in the /etc/fstab file that are intended to mount at boot time, you can simply type the ____ command.
A) mount -o
B) mount -f
C) mount -u
D) mount -a
Q4) Devices that transfer data in a character-by-character fashion are referred to as ____ devices.
A) text
B) block
C) character
D) binary
Q5) Each track on a hard disk is divided into ____________________ of information.
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Chapter 6: Advanced Installation
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Sample Questions
Q1) What is iSCSI? What is it typically used for and how is it configured?
Q2) The situation in which a program has accessed an area of RAM that was not assigned.
A)Network File System (NFS)
B)/root/install.log
C)disk striping
D)firmware RAID
E)Logical Unit Number (LUN)
F)iSCSI target
G)/root/install.log.syslog
H)segmentation fault
I)spanning
Q3) You can use a small bootable Linux kernel to fix problems related to the following: the boot loader; filesystems and partitions; the configuration file; and drivers.
A)True
B)False
Q4) Fault tolerant hard disk configurations are typically implemented by a(n)
Q5) What is System Rescue? Explain how you would activate this tool.
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Chapter 7: Working With the Bash Shell
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Sample Questions
Q1) Any error messages generated by a command.
A)hashpling
B)tee
C)environment variables
D)stdin
E)stderr
F)decision construct
G)shell scripts
H)stdout
I)file descriptors
Q2) The ____ command counts the number of lines, words, and characters in a file.
A) pr
B) nl
C) tr
D) wc
Q3) The ____ escape sequence represents a form feed.
A) \n
B) \f
C) /f
D) /n
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Chapter 8: System Initialization and X Windows
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Sample Questions
Q1) Using one boot loader to boot one of several operating systems is known as multi-booting. _________________________
A)True
B)False
Q2) Partition to which the Master Boot Record points.
A)active partition
B)Display Settings
C)X client
D)ELILO
E)window manager
F)initstates
G)daemon
H)virtualization software
I)Grand Unified Bootloader
Q3) ____ of the GRUB boot loader typically resides on the Master Boot Record.
A) Stage1
B) Stage1.5
C) Stage2
D) Stage2.5
Q4) Why might dual-booting be necessary or desired?
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Chapter 9: Managing Linux Processes
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Sample Questions
Q1) A(n) ____________________ refers to a program that is running in memory and on the CPU.
Q2) An executable file on the hard disk that can be run when you execute it.
A)cron daemon
B)program
C)/var/spool/cron
D)trapping
E)PPID
F)PID
G)/etc/crontab
H)/var/spool/at
I)at daemon
Q3) If the /etc/at.allow and /etc/at.deny files do not exist, only the root user is allowed to schedule tasks using the at daemon.
A)True
B)False
Q4) The killall command uses the PID to kill a process.
A)True
B)False
Q5) The ____________________ can be used to affect the process priority indirectly.
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Chapter 10: Common Administrative Tasks
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Sample Questions
Q1) How do you delete a user account? When you delete a user account, what gets deleted and what does not? What happens to the user's files?
Q2) The ____ priority used by the System Log Daemon indicates an error that should be rectified immediately, such as a corrupt system database.
A) info
B) alert
C) debug
D) panic
Q3) On a CUPS printing system, to remove a print job that is in the print queue, you can use the ____________________ command followed by the print job IDs of the jobs to remove.
Q4) Why should log files be periodically cleared? What methods can be used to clear log files?
Q5) Most printers are Plug and Play compatible and must be manually configured when they are plugged into the system.
A)True
B)False
Q6) Describe the process of sending information to a printer using the CUPS daemon.
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Chapter 11: Compression, System Backup, and Software Installation
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Sample Questions
Q1) Command that can be used to copy files to the appropriate location on the filesystem
A)full backup
B)make install
C)checksum
D)tarball
E)compression ratio
F)Brasero Disc Burner
G)compression algorithm
H)sum
I)archive
Q2) To view the contents of a file that was compressed with the bzip2 utility, you must use the ____________________ command.
Q3) To decompress files that have been compressed with the compress utility, you can use the decompress command followed by the names of the files to be decompressed.
A)True
B)False
Q4) Describe the basic steps involved in compiling source code into a program.
Page 13
Q5) ____________________ is used to reduce the size of a file or set of files.
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Chapter 12: Network Configuration
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Sample Questions
Q1) A route table is a list of TCP/IP networks that is stored in system memory.
A)True
B)False
Q2) A utility that can be used to run remote applications on a Linux computer; it encrypts all client-server traffic.
A)SSH
B)DNS
C)ISP
D)FQDN
E)telnet
F)CIDR
G)WANs
H)X Windows
I)LANs
Q3) Discuss modems, ISDN, and DSL. What types of data transfer speeds are each of these capable of? How are they typically configured?
Q4) Two or more computers that are connected with media that can exchange information are called a(n) ____________________.
Q5) Describe the telnet and SSH utilities. What is the difference between them?
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Chapter 13: Configuring Network Services
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Sample Questions
Q1) In NTP, stratum ____ consists of atomic devices or GPS clocks.
A) 0
B) 1
C) 2
D) 5
Q2) The use of NFS is less common than the use of FTP to transfer files on public networks.
A)True
B)False
Q3) All DNS servers contain a DNS cache file.
A)True
B)False
Q4) When working with Sendmail, if you modify the /etc/aliases file, you need to run the ____ command to rebuild the aliases database
A) alias
B) newaliases
C) sendmail
D) mail
Q5) How does DHCP automatically configure IP addresses?
Q6) The first DNS server in a zone is called the ____________________ DNS server.
Page 15
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Chapter 14: Troubleshooting, Performance, and Security
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Sample Questions
Q1) If the / filesystem becomes corrupted, the system is unstable and must be turned off.
A)True
B)False
Q2) Almost all hardware problems are the result of damaged hardware.
A)True
B)False
Q3) The ____________________ command is used to view the current SELinux status.
Q4) For the GRUB boot loader, errors are typically the result of a missing file in the /boot directory. _________________________
A)True
B)False
Q5) Running background processes using the ____ command allows you to exit your command-line shell without ending any background processes.
A) continue
B) noshell
C) nokill
D) nohup
Q6) How can netfilter/iptables be used to create a firewall service?
Page 16
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