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operating systems Online Quiz - 15

Description: operating systems Online Quiz - 15
Number of Questions: 20
Created by:
Tags: operating systems
Attempted 0/20 Correct 0 Score 0
  1. Open Boot PROM

  2. Open Boot Parameter

  3. Open Source Boot

  4. Open Boot Process


Correct Option: A

"devfsadm" command can be used to Scan for new devices to the system?

  1. True

  2. False


Correct Option: A

Command to configure default gateway:

  1. route add default

  2. add route

  3. add gateway default

  4. router add default


Correct Option: A

How to remove metadevice?

  1. rm -rf d7

  2. metaclear d7

  3. metadel d7

  4. metarm d7


Correct Option: B

"mpstat 2" command can be used to view per-processor statistics, refreshed every 2 seconds

  1. True

  2. False


Correct Option: A

How to remove all host specic conguration from the system

  1. rm -rf

  2. sys-unconfig

  3. reboot

  4. rm /etc/system


Correct Option: B

Which is the run comand for installing the active directory?

  1. ads.msc

  2. dcpromo

  3. activedirectory

  4. adservice


Correct Option: B

Which is the command to go to active directory users and coputers?

  1. adcsers.msc

  2. usrncomp.msc

  3. dsa.msc

  4. computers.msc


Correct Option: C

Which is not a domain wide role?

  1. rid master

  2. infrastructure master

  3. domain naming master

  4. pdc emulator


Correct Option: C

which is the port number used for LDAP?

  1. 23

  2. 443

  3. 389

  4. 80


Correct Option: C
  1. Web Edition

  2. Ultimate

  3. Data Center

  4. Enterprise


Correct Option: B

Server 2003 web edition does not support Terminal services

  1. True

  2. False


Correct Option: A
  1. Any error messages only.

  2. the contents of the file dog and any error messages.

  3. Nothing as all output is saved to the file cat.

  4. The contents of the file dog.


Correct Option: C
  1. Use the mount command to mount your CD-ROM as read-write.

  2. Use the umount command to access your CD-ROM.

  3. use the mount command to mount your CD-ROM as read-only.

  4. Read the installation instructions on the CD-ROM.


Correct Option: C

Of the following directories, which one is the most important to back up on a routine basis?

  1. /var

  2. /etc

  3. /root

  4. /tmp


Correct Option: B

AI Explanation

To answer this question, let's go through each option to understand why it is correct or incorrect:

Option A) /var - This option is not the most important directory to back up on a routine basis. The /var directory contains variable data such as logs, spool files, and temporary files. While it is important to back up this data periodically, it is not as critical as some other directories.

Option B) /etc - This option is the correct answer. The /etc directory contains important configuration files for the system and various applications. These configuration files determine how the system and applications behave. It is crucial to back up the /etc directory regularly to ensure that these configuration files are protected and can be restored if needed.

Option C) /root - This option is not the most important directory to back up on a routine basis. The /root directory is the home directory for the root user. While it may contain important files and settings specific to the root user, it is not as critical to back up on a routine basis compared to the /etc directory.

Option D) /tmp - This option is not the most important directory to back up on a routine basis. The /tmp directory is used for temporary files that are typically deleted when the system restarts. While it may contain important temporary data, it is not as critical to back up on a routine basis compared to the /etc directory.

The correct answer is Option B) /etc. This option is correct because the /etc directory contains important configuration files that are crucial for the system and applications to function properly. Backing up the /etc directory regularly helps ensure that these configuration files are protected and can be restored if needed.

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