Classical

Operating System - File System

11:  

Disaster recovery

A.

is needed by every installation

B.

is never needed

C.

varies in degree between installations

D.

requires off-site computer for immediate use

 
 

Option: C

Explanation :

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Gokulnath said: (1:40am on Monday 1st May 2017)
Answer: DThe remote system adds theseblocks to the file system and updates its pointers, and the new system then is aduplicate of the source system as of the time of the second snapshot. Repeatingthis process maintains the remote system as a nearly up-to-date copy of the firstsystem. Such replication is used for disaster recovery. Should the first systembe destroyed, most of its data are available for use on the remote system.

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12:  

System supports two types of file, which are

A.

text files

B.

executable binary flies

C.

both (a) and (b)

D.

none of these

 
 

Option: C

Explanation :

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13:  

Wild-card specifiers

A.

provide an easy way of finding groups of related files

B.

are only used when printing the contents of files

C.

can be used when writing a file

D.

allow several files to be read simultaneously

 
 

Option: A

Explanation :

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14:  

How many common file type are there?

A.

nine

B.

six

C.

five

D.

two

 
 

Option: A

Explanation :

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15:  

The volatility of a file refers to

A.

the number of records added or deleted from a file composed to the original number of records in that file

B.

efficiency with which non-sequential files are processed

C.

the extent where the records of the file are contiguous and in proximity to others

D.

percentage of records that has changed in a given time period.

 
 

Option: A

Explanation :

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