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
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2
A service provided by the OS to the programmers is referred to as a
a. Context
b. interrupt
c. Shortcut
d. System Call
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3
CPU performance is measured through ________
a. Throughput
b. MHz
c. Flaps
d. kb
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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
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5
DNS stands for
a. Domain Network System
b. Domain Name System
c. Data Name System
d. Data Name Service
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6
Variable names may begin with
a. Numbers
b. Underscores
c. Alphabetic characters
d. Both B and C
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7
Variable names may not include
a. Numbers
b. Underscores
c. Question marks
d. More than one of the above
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8
Variable names should be
a. Descriptive
b. Lower case letters
c. Upper case letters
d. Both A and C
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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
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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
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