Quiz
Linux
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Fragen in diesem Quiz (70)
1Embedded Systems means:
- ACompanies must share their changes
- BYou can view the software’s source code
- CBusinesses cannot charge anything for the software, only the hardware
- DSystems designed to do a specific task on hardware optimized for only that purpose
- EUsers must support the systems themselves
2Linux originally only ran on:
- AXerox copy machines
- BSpecialized processor chips
- CIntel 386 PCs
- DRaspberry Pi computers
- EMacintosh
3Bundling utilities, management tools, and application software with a Linux kernel is called a:
- AA trademark
- BA distribution of Linux
- CA type of hardware
- DA text editor
4A software release cycle describes:
- AHow often security fixes are implemented
- BHow often the software’s memory is released back to the operating system
- CHow often upgrades come out for software
- DHow often the computer must be rebooted
- EHow often the computer must be upgraded to support new software
5Apple’s OS X is:
(choose three)- ATightly integrated with Apple hardware
- BPartially based on code from the FreeBSD project
- CPrimarily used to manage network services
- DDerived from Linux
- EAble to natively run Windows binaries
- FA fully certified UNIX distribution
6Microsoft Windows:
(choose three)- AIs generally backwards compatible with previous versions
- BOffers both desktop and server products
- CHas a Linux compatibility mode
- DHas a short maintenance cycle
- EHas a scripting environment called PowerShell
- FHas a new desktop version every year.
7An interpreted programming language:
(choose two)- ARequires a compilation step but no linking step
- BIs converted into machine specific instructions as the program runs
- CTends to offer more features than compiled languages
- DRequires a linking step but no compilation step
- ETakes fewer resources to run than a compiled language
8The two main families of Linux shells are:
(choose two)- ABourne Shell
- BPython Shell
- CKorn shell
- DEmacs
- EC Shell
9In virtualization, what are the host and guest?
(choose two)- AThe host is the machine that runs the virtual machines
- BThe guest is the machine that runs the virtual machines
- CThe terms can be used interchangeably
- DA host is a virtual machine
- EA guest is a virtual machine
10Cloud computing is:
- ARequires fewer resources because systems are shared among many users
- BAllows users in different geographical regions to work together in real time
- CAll are correct
- DIs made possible by faster internet speeds
- EIs useful for both business and home users
11Which of the following are properties of a strong password?
(choose three)- ABased on easy to remember items like birthdays
- BLong so that it can be reused on multiple sites
- CIncludes symbols
- DAt least 10 characters long
- EA mix of upper and lower case
12
A license where you don’t have access to the source code is called:- ASourceless
- BImpaired source
- COpen source
- DClosed source
13A copyleft provision in a software license means:
- AYou must provide support for your modifications
- BYou may not link against third party closed source software
- CIf you redistribute the software, you must distribute the source to any changes you make
- DYou must provide free copies of the software if you use it
- EYou give up your copyright to the software
14The Free Software Foundation believes that:
(choose two)- ASoftware should be free to modify
- BPeople should write software with no expectation of making money
- CSoftware should not have copyright
- DSoftware should be free to share
- ENo money should ever change hands
15What does it mean when a work is placed in the public domain?
- AThe work was done by a government agency
- BYou may not use the work for commercial purposes
- CThe author has died
- DThe author has relinquished the copyright on the work
- EYou must redistribute changes to the software
16The semicolon (;) can be used to separate multiple commands to be executed in order.
- ARichtig
- BFalsch
17To be able to output messages to the screen, use the _______ command:
- Aprint
- Becho
- Cdisplay
- Dtype
18The _______ command will print a list of the commands that you’ve previously executed.
- Alist
- Beval
- Cexec
- Dhistory
19HOME is an example of _________.
- AA path variable
- BA local variable
- CAn environment variable
- DAn alias
- EAn internal command
20
The directory where additional documentation for software packages most likely can be found is:- A/var/share/doc
- B/var/lib/doc
- C/usr/software/doc
- D/usr/share/doc
21To start searching a man page, the first key you press is:
- A/
- Bf
- Cs
- D!
22To get help on using the info command, execute:
(choose two)- Aman info
- Binfo info
- Chelp info
- Dinfo -q
23The _____ command can be used to find any file, not just commands or man pages.
- Awhatis
- Blocate
- Cwhereis
- Dapropos
24Hidden files are files that begin with what character?
- AA period (.)
- BAn asterisk (*)
- CA plus (+)
- DA dash (-)
25The top-level directory on a Linux system is represented as:
- A/
- B/home
- C/root
- DC:
26The ls command without options or arguments…
- A…prompts for a directory to list.
- B…lists the contents of the current directory.
- C…lists the contents of a user’s home directory.
- D…generates an error as this command requires arguments.
27The command ls -S will sort files:
- ABy size, smallest to largest
- BBy modification date, newest to oldest
- CBy number of symlinks, largest to smallest
- DBy size, largest to smallest
28When using the cp command, you must provide both a source and a destination.
True or False?- ARichtig
- BFalsch
29Which option can be used with the rm command to prompt before deleting?
- Al
- BA
- C-P
- D-i
30Which command would list files that do not begin with a “T” or a “W”?
- Aecho /etc/[!TW]*
- Becho /etc/[*TW]!
- Cecho /etc/!TW
- Decho /etc/*[TW!]
31In general, for which of the following would you want to use lossless compression?
- AA JPEG image
- BA log file
- CAn encrypted email
- DA movie
- EAn mp3 audio file
32You type gzip myfile.tar. What happens?
(choose two)- AAn error; you forgot to specify the file with -f
- Bmyfile.tar is unarchived into the current directory
- Cmyfile.tar is removed
- DAn error; you forgot to pass the name of the output file
- Emyfile.tar.gz holds a compressed version of myfile.tar
33Which command will show what is inside the compressed tarball with a name of foo.tar.gz?
- Atar –tf foo.tar.gz
- Btar –tzf foo.tar.gz
- Ctar –xf foo.tar.gz
- Dtar –lf foo.tar.gz
- Etar –tjf foo.tar.gz
34By default, the zip command replaces uncompressed files with compressed files.
True or False?- ARichtig
- BFalsch
35Error messages generated by commands are sent where by default?
- ASTDIN
- BLog files
- CSTDOUT
- DSTDERR
36Which of the following commands will display only lines that begin with test?
- Agrep *test file.txt
- Bgrep &test file.txt
- Cgrep $test* file.txt
- Dgrep ^test file.txt
37Which of the following commands will display lines that contain either start or end?
- Aegrep ‘start|end’ file.txt
- Begrep start end file.txt
- Cegrep start&end file.txt
- Degrep (start|end) file.txt
38A file begins with #!/bin/csh. This means:
- AThis is a Perl script
- BThe operator should not be using /bin/csh
- CC Shell compatibility mode is enabled
- DRunning the script will invoke /bin/csh to interpret the rest of the file
- ENothing, this is a comment
39Most of nano’s commands take the form of:
- AAlt and another character
- BEscape followed by another character
- CThe F1 through F12 function keys
- DMouse clicks
- EControl and another character
40The if command looks for what exit code to consider a condition to be true?
- A255
- B0
- C2
- D1
- E10
41The number of users logged in is in a variable called USERS. How would you test to see if 5 users are logged in?
- Atest $USERS –eq 5
- Btest $USERS,5
- Ctest –f USERS=5
- Dtest $USERS = 5
- Etest $USERS –a 5
42Which of the following are valid partitioning types?
(choose two)- APC
- BMBR
- CGPT
- DBIOS
43Software that allows hardware devices to communicate with the installed operating system is called?
- ADrivers
- BInstructions
- CPackages
- DPrograms
44Which of the following commands will check hard disk GPT partitions?
(choose three)- Asfdisk
- Bsgdisk
- Cgdisk
- Dcgdisk
- Egfdisk
45The process (ps) command shows only processes running in the current shell by default.
True or False?- ARichtig
- BFalsch
46The free command outputs statistics about:
- AMemory usage
- BDisk usage
- CSoftware usage
- DCPU usage
47Which file contains the information passed to the kernel at boot time?
- A/proc/kernel
- B/proc/kopts
- C/proc/kargs
- D/proc/cmdline
48To make changes permanent for kernel parameter files found under /proc/sys, the following file can have entries added to it:
- A/etc/sysinfo.conf
- B/etc/sysctl.conf
- C/etc/procctl.conf
- D/etc/procsys.conf
49Which of the following commands will display the IP address on a Linux system?
- Aifconfig
- Broute
- Cipconfig
- Ddig
50The RSA key fingerprint allows the dig command to connect to remote systems.
True or False?- ARichtig
- BFalsch
51When issuing the service network restart command, which of the following occurs?
- A…takes down all network interfaces, re-reads all related configuration files and then the networking for the system is restarted.
- B…the networking for the system is stopped and then started back up.
- C…brings up all network interfaces, re-reads all related configuration files and then the networking for the system is restarted.
52Which of the following commands can be used to display socket statistics, and supports all major packet and socket types?
- Aroute
- Bss
- Cifconfig
- Dtop
53Which of the following commands will display the groups that the user bob belongs to?
- Agroup bob
- Bid bob
- Call bob
- Dgroups -a
54Traditional UNIX systems allowed users to belong to how many groups?
- A65,000
- B10,000
- C1
- D256
- E16
55A value of 0 in the “minimum” password aging field means the user cannot change their password.
True or False?- ARichtig
- BFalsch
56Sudo privileges allow users to execute commands as another user.
True or False?- ARichtig
- BFalsch
57The first line of this command displays how long the system has been running since being rebooted.
- Aid
- Bgetent
- Cwho
- Dw
- Esu
58Which option for the usermod command can be used to specify a user’s group ID (either primary or secondary)?
(choose two)- A-g
- B-S
- C-s
- D-G
59The groupmod command can be used to add users to a group.
True or False?- ARichtig
- BFalsch
60Which of the following files contains user IDs?
- A/etc/passwd
- B/etc/shadow
- C/etc/group
- D/etc/usr
61Which of the following commands, run as root, will prevent the user bob from logging in?
- Ausermod -L bob
- Busermod -D bob
- Cusermod -d bob
- Dusermod -l bob
62What directory contains a user’s home directory?
- A/user
- B/
- C/rootfs
- D/home
63GIDs under 500 (or 1000) are usually reserved for what kind of groups?
- AAre not used for groups, but for user accounts
- BAdministrators
- CUser private groups (UPG)
- DSystem use
64A user cannot delete a file if they do not own it.
True or False?- ARichtig
- BFalsch
65The chown command permits changing group ownership done by root only.
True or False?- ARichtig
- BFalsch
66Which of the following commands will list hidden files as well as their ownership?
- Als -a
- Bls -Z
- Cls -l
- Dls -la
67Which of the following commands will set setuid for /usr/bin/program?
- Achmod 1755 /usr/bin/program
- Bchmod 4755 /usr/bin/program
- Cchmod 2755 /usr/bin/program
- DNone of the above
68Setting setgid on a directory…
- A…will allow scripts in the directory to be executed as the group owner of the directory.
- Bwill set the group owner of all files created in the directory to the group owner of the directory.
- C…is not allowed by the system.
- D…does nothing.
69Deleting a source file will break an associated hard link.
True or False?- ARichtig
- BFalsch
70Which of the following commands would create a hard link, link to file?
- Aln file link
- Bln -s link file
- Cln link file
- Dln -s file link
Informationen
- Beschreibung
- Quiz am Linux, erstellt von Tamerlan Tokbayev am 28/12/2019.
- Autor
- Tamerlan Tokbayev
- Sprache
- English
- Aufrufe
- 10
- Bewertung
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