IT Environmental Management Support | Mock Test

1
A page fault occurs
a. When the page is not in memory
b. When the page is in memory
c. When the process enters the blocked state
d. When the process in the ready state
[bg_collapse view=”button-green” color=”#FFF” icon=”arrow” expand_text=”Show Answer” collapse_text=”Hide Answer” ]Answer : When the page is not in memory [/bg_collapse]
2
A service provided by the OS to the programmers is referred to as a
a. Context
b. interrupt
c. Shortcut
d. System Call
[bg_collapse view=”button-green” color=”#FFF” icon=”arrow” expand_text=”Show Answer” collapse_text=”Hide Answer” ]Answer : System Call [/bg_collapse]
3
CPU performance is measured through ________
a. Throughput
b. MHz
c. Flaps
d. kb
[bg_collapse view=”button-green” color=”#FFF” icon=”arrow” expand_text=”Show Answer” collapse_text=”Hide Answer” ]Answer : Throughput [/bg_collapse]
4
Directory and file names cannot contain any ASCII characters with a value in the range _________or any of these characters
a. 1 to 32
b. 1 to 31
c. 1 to 40
d. 1 to 35
[bg_collapse view=”button-green” color=”#FFF” icon=”arrow” expand_text=”Show Answer” collapse_text=”Hide Answer” ]Answer : 1 to 31 [/bg_collapse]
5
DNS stands for
a. Domain Network System
b. Domain Name System
c. Data Name System
d. Data Name Service
[bg_collapse view=”button-green” color=”#FFF” icon=”arrow” expand_text=”Show Answer” collapse_text=”Hide Answer” ]Answer : Domain Name System[/bg_collapse]
6
Variable names may begin with
a. Numbers
b. Underscores
c. Alphabetic characters
d. Both B and C
[bg_collapse view=”button-green” color=”#FFF” icon=”arrow” expand_text=”Show Answer” collapse_text=”Hide Answer” ]Answer : Both B and C[/bg_collapse]
7
Variable names may not include
a. Numbers
b. Underscores
c. Question marks
d. More than one of the above
[bg_collapse view=”button-green” color=”#FFF” icon=”arrow” expand_text=”Show Answer” collapse_text=”Hide Answer” ]Answer : Question marks [/bg_collapse]
8
Variable names should be
a. Descriptive
b. Lower case letters
c. Upper case letters
d. Both A and C
[bg_collapse view=”button-green” color=”#FFF” icon=”arrow” expand_text=”Show Answer” collapse_text=”Hide Answer” ]Answer : Both A and C[/bg_collapse]
9
What does this command do cp a b c new
a. Copy files a, b and c to file new
b. Copy files a and b to file c and new
c. Copy files a, b and c to directory new
d. Does not copy anything, error
[bg_collapse view=”button-green” color=”#FFF” icon=”arrow” expand_text=”Show Answer” collapse_text=”Hide Answer” ]Answer : Copy files a, b and c to directory new [/bg_collapse]
10
What does umask command do? Choose the appropriate option.
a. Unmask File Permissions
b. Mask File Permissions
c. Remove File Permissions
d. Grant file permissions
[bg_collapse view=”button-green” color=”#FFF” icon=”arrow” expand_text=”Show Answer” collapse_text=”Hide Answer” ]Answer : Mask File Permissions[/bg_collapse]