Cap 2 - Maintaining the System (201)

1. 1Which of the following commands will allow a message to be sent to any tty terminals with write access allowed? (Choose all that apply)

   1. Amesg
   2. Bwrite
   3. Cecho
   4. Dmail
   5. Ewall
2. 2To shut down your system without sending a message to users, use which of the following /sbin/shutdown options?

   1. A-c
   2. B-k
   3. C--no-wall
   4. D--wall
   5. ENone of the above
3. 3Your company's legal deparment has decided that a login notification is needed on a Linux system that you manage, warming that unathorized system use is a prohibited. Which method is the best one for deploying this legal notification?

   1. AEdit the /etc/issue file, and place the notification there.
   2. BEdit the /etc/motd file, and place the notification there.
   3. CUse the notify-send command to send the notification to users.
   4. DEdit the ~./bashrc file, and place the notification there.
   5. ENone of the above.
4. 4Assume that money is plentiful, and you want the fastest media to use for your company's backups. Based on that information, which is the best backup media choice?

   1. AMagnetic tapes
   2. BOptical discs
   3. CHDD
   4. DSSD
   5. ENAS
5. 5Your co-worker, also a system administrator, hands you an SSD and says, "This has all the files on it that were created and/or modified since the system's last full backup". Which of the following backup types can this backup be? (Choose all that apply)

   1. AFull
   2. BIncremental
   3. CDifferential
   4. DNone of the above
   5. EAll of the above
6. 6Which of the following Linux directories should be included in a backup when you plan on using the backup data in full system restores? (Choose all that apply)

   1. A/bin
   2. B/home
   3. C/run
   4. D/tmp
   5. EAll of the above
7. 7Which of the following software packages are GUI and/or web-based backup solutions? (Choose all that apply)

   1. AAmanda
   2. BDuplicity
   3. CNagios
   4. DBacula
   5. Econnectd
8. 8Which of the following tar command options would employ gzip compression for creating a backup tarball (Choose all that apply)

   1. A-g
   2. B--gzip
   3. C-z
   4. Dg
   5. Ez
9. 9When using the tar command for an incremental backup, a snapshot file is created. This snapshot file should have which of the following file extensions as part of its name?

   1. A.tar
   2. B.tgz
   3. C.tar.snap
   4. D.snap
   5. E.snar
10. 10To verify a tar backup immediately after it is created, you use which of the following tar command options? (Choose all that apply)

    1. A--compare
    2. B--diff
    3. C-d
    4. D-W
    5. E-J

11. 11Which of the following indicates a tape device that automatically rewinds? (Choose all that apply)

    1. A/dev/st0
    2. B/dev/nst0
    3. C/dev/ht1
    4. D/dev/nht1
    5. E/dev/nht0
12. 12To control a magnetic tape for backups, use the _________ program.

    1. Atar
    2. Bstar
    3. Cmt
    4. Drsync
    5. Edd
13. 13Which of the following rsync commands is the proper way to send a backup over the network to the remote host, Server A, while having the transfer encrypted using OpenSSH?

    1. Arsync -av Project /run/media/ServerA
    2. Brsync -av Project ServerA
    3. Crsync -av ServerA Project
    4. Drsync -av Project ServerA:~/
    5. Ersync -av Project rsync://ServerA:/
14. 14Which of the following are true about the dd command? (Choose all that apply)

    1. AThe dd command can be used to create a low-level copy of a hard drive.
    2. BThe dd command is popular for daily incremental backups.
    3. CThe dd command can be safely used to back up a disk mounted at /.
    4. DThe dd command can be used for managing tapes.
    5. EThe dd command can be used to zero-out a hard disk.
15. 15When installing a program from source code, which of the following installation files typically can provide you with additional installation information? (Choose all that apply)

    1. AREADME
    2. BINSTALL
    3. CCOPYING
    4. DRELEASE-NOTES
    5. ENEWS
16. 16During the process of installing a program from source, which of the following creates or updates the Makefile with the Makefile.in file's contents and what it finds on your system?

    1. AINSTALL
    2. Bconfigure
    3. Cmake
    4. Dmake install
    5. Ecp
17. 17Which of the following monitoring commands allow you to view system memory information? (Choose all that apply)

    1. Afree
    2. Bmpstat
    3. Cmtr
    4. Dtop
    5. Evmstat
18. 18Which of the following will show CPU usage information 20 times in 2-second intervals?

    1. Auptime 20 2
    2. Buptime 2 20
    3. Csar 20 2
    4. Dsar 2 20
    5. ENone of the above
19. 19Which of the following are considered to be system resource-monitoring solutions? (Choose all that apply)

    1. Acollectd
    2. BDuplicity
    3. CMRTG
    4. DNagios
    5. EAll of the above
20. 20Which of the following are true about Linux system memory? (Choose all that apply)

    1. AMemory is divided into sheets
    2. BMemory for an idle process can be swapped out to swap space
    3. CSwap can also be called virtual memory
    4. DSwapping is the memory management scheme, where idle processes swap memory
    5. EMemory-swapping statistics can be viewed using the psmap utility.

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Test sobre Cap 2 - Maintaining the System (201), creado por Carlos Jara Alva el 05/03/2019.

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Carlos Jara Alva

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Creado el 5 mar 2019 · actualizado el 6 mar 2019

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