operating systems Online Quiz - 79

Description: operating systems Online Quiz - 79
Number of Questions: 20
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Tags: operating systems
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Command to remove directory which is having few files inside.

  1. rmdir

  2. rm

  3. rm -r

  4. None

Correct Option: C

Command to rename a file in unix

  1. rename

  2. rm

  3. mv

  4. cp

Correct Option: C

wc command can be used to count the number of lines in a file

  1. True

  2. False

Correct Option: A

command to find a string inside a file.

  1. find

  2. grep

  3. search

  4. None

Correct Option: B

What is the purpose of sed command

  1. A Serial Editor

  2. A Stream Editor

  3. A shredder tool

  4. All the above

Correct Option: B

output=1;echo "2+3"|bc|read output | echo $output What is the output ?

  1. 1

  2. 5

  3. 0

  4. a Blank line

Correct Option: A

which command is used to create a zero byte file ?

  1. touch

  2. cat

  3. man

  4. vi

Correct Option: A

How to list the directory and files structure up to a depth of one directory

  1. ls -ltr

  2. ls -R

  3. ls *

  4. ls -L2

Correct Option: C

Which function is used to show a Yes/No message box

  1. messagebox

  2. alert

  3. confirm

  4. input

Correct Option: C

Javasript is case sensitive

  1. True

  2. False

Correct Option: B

Is Javascript related to java

  1. True

  2. False

Correct Option: B

Is Ajax a programming platform

  1. True

  2. False

Correct Option: B

Which DOM property of a tag changes its html content

  1. html

  2. innerHTML

  3. text

  4. None of the above

Correct Option: B
  1. Iris Associates

  2. Data General Corp.

  3. Groove Networks

  4. Lotus Development

Correct Option: C

The Windows OS architecture is highly modular and built on two layers. One layer is called User Mode. What is the other layer called?

  1. The Hardware Abstraction Layer (HAL)

  2. Hyper-V

  3. Kernel Mode

  4. Executive Services

Correct Option: C

Fill in the blanks: To create a VPN in Windows NT 4.0, you would use the ____ protocol, which has been made obsolete in modern Windows VPNs through the use of the _____ protocol and IPSec

  1. PPTP and L2TP

  2. PPoE and SMTP

  3. SMTP and PPoE

  4. L2TP and PPTP

Correct Option: A
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