NDG Linux Essentials 2.20 Midterm Exam (Modules 1-9) Answers
-
The most popular Linux platform for mobile phones is:
- IOS
- BlackBerry
- MobileLinux
- Android
- Slackware
-
The release cycle:
- Should be short so you always have the freshest releases
- Describes how long software will be supported
- Dictates how often software is updated
- Only has meaning for paid software
- Should be long so that you have time before you need to upgrade
-
What does a distribution provide to add and remove software from the system?
- Package Manager
- Partitioning tool
- Compiler
- Bash
- Application Programming Interface (API)
-
A maintenance cycle:
- Describes how long a version of software will be supported
- Describes how often updates for software come out
- Should be long so that you have time before you need to upgrade
- Only has meaning for paid software
- Should be short so you always have the freshest releases
-
When choosing a distribution of Linux, you should consider:
(choose five)
- Will commercial support be required for the OS
- If the application software is supported by the distribution
- Does the distribution offer a “stable” version
- Will users require a GUI
- Popularity on social media
- Does your organization require long-term support for the system
-
Which of the following are examples of desktop software?
(choose two)
- File share
- Compiler
- Web server
- Music player
- Web browser
-
Which of the following pieces of software deal with file sharing?
(choose three)
- NFS
- X-Windows
- Samba
- PostgreSQL
- Netatalk
-
The Linux shell:
(choose three)
- Allows you to launch programs
- Has a built-in text editor
- Is customizable
- Has a scripting language
- Is responsible for tracking the location of configuration files
-
Virtualization means:
- A machine can swap memory to disk
- Two users get different memory spaces on the same machine
- A user can connect to a server over the network and use a virtual console
- A single host can be split up into multiple guests
- Many users can share one hard drive
-
In graphical mode, you can get to a shell by running which applications?
(choose two)
- Gbash
- Guiterm
- console
- Xterm
- Terminal
-
Source code refers to:
- The license that dictates how you may use and share the software
- The version of a program that the computer runs on the CPU
- A human-readable version of computer software
- The interface that software uses to talk to the kernel
-
Open source means:
(choose two)
- You cannot charge anything for the software
- You can modify the software’s source code
- You must share your changes
- You can view the software’s source code
- You must support the software you share
-
A copyleft provision in a software license means:
- You must provide free copies of the software if you use it
- You must provide support for your modifications
- You may not link against third party closed source software
- If you redistribute the software, you must distribute the source to any changes you make
- You give up your copyright to the software
-
Linux is distributed under which license?
- BSD
- GPLv3
- GPLv2
- MIT
- Linux Foundation
-
Creative Commons licenses allow you to:
(choose three)
- Get a veto on where the work is used
- Specify whether or not people may distribute changes
- Specify whether or not changes must be shared
- Allow or disallow commercial use
- Receive royalties on the use of the work
-
Which environment variable contains a list of directories that is searched for commands to execute?
- PATH
- PS1
- EXEC
- PS2
-
Select the command that can report the location of a command:
- which
- what
- where
-
A pair of double quotes (” ) will prevent the shell from interpreting any metacharacter.
True or False?
- True
- False
-
The shell program interprets the commands you type into the terminal into instructions that the Linux operating system can execute.
True or False?
- True
- False
-
The acronym CLI stands for:
- Command Line Interpreter
- Computer Line Interface
- Computer Link Interpreter
- Command Line Interface
-
The most common shell used for Linux distributions is the ________ shell.
- Tsch
- Zsh
- Bash
- Fish
-
Which two pager commands are used by the man command to control movement within the document?
(choose two)
- more
- grep
- less
- page
-
To search the man page sections for the keyword example, which of the following command lines could you execute?
(choose two)
- apropos example
- man -f example
- whatis example
- man -k example
-
The statement that describes the difference between a man page and an info page is:
- There is very little difference between them.
- The info page is like a guide; a man page is a more concise reference.
- The man page is like a guide; the info page is a more concise reference.
- The man page is a long detailed reference; the info page is very terse.
-
The following sections commonly appear on a man page:
(choose three)
- DESCRIPTION
- NAME
- SYNOPSIS
- LICENSE
-
The top-level directory on a Linux system is represented as:
- /home
- C:
- /
- /root
-
The tilde (
~) is used to represent:- The directory above the current working directory
- Any two single characters
- A user’s home directory
- Nothing; it has no special meaning
-
The
cdcommand by itself will take you to what directory?- Your home directory
- The directory above the current working directory
- None; it is not a valid command
- The system root directory
-
What command will allow you to change your current working directory?
- ls
- chdir
- list
- cd
-
The first character in a long listing (
ls -l) indicates:- The owner
- The permissions
- If something is a file, directory, or symbolic link
- The size
-
Which of the following commands can be used to rename a file?
- cp
- rm
- mv
- name
-
The
touchcommand can be used to:(choose two)
- Create new files
- Change a file’s name
- Update the timestamp of existing files
- Change ownership of a file
-
Which of the following are glob characters?
(choose three)
- The question mark ?
- The asterisk *
- The square brackets [ and ]
- The dash character –
-
The main purpose of using glob characters is to be able to provide a list of filenames to a command.
True or False?
- True
- False
-
The asterisk character is used to represent zero or more of any character in a filename.
True or False?
- True
- False
-
Compression of a file works by:
- Removing redundant information
- Consolidating multiple files into one
- Removing the high order bit from each byte
- Eliminating gaps within the file
- Storing most of the data on removable media and just leaving a pointer
-
Lossy compression:
(choose three)
- Is often used with images
- Is often used with documents
- Sacrifices some quality
- Decompresses to an identical version as the original
- Usually results better compression than lossless
-
Which of the following commands can be used to compress a file?
(choose three)
- gzip
- bunzip2
- cat
- bzip2
- zip
-
The three main modes of
tarare:(choose three)
- Copy
- Create
- Extract
- List
- Compress
-
In the command tar
-czf foo.tar.gz bar, what is the purpose of thefflag?- Tells tar to write to the file that follows the flag
- Tells tar to copy only files, and not directories
- Specifies extra compression is to be used
- Tells tar to read from the file that follows the flag
- Tells tar to print the name of each file as it is processed
Subscribe
0 Comments
Newest