Distributed File System - 1 - Operating System Questions & Answers

1.

What are the different ways in which clients and servers are dispersed across machines ?

   A.) Servers may not run on dedicated machines
   B.) Servers and clients can be on same machines
   C.) Distribution cannot be interposed between a OS and the file system
   D.) OS cannot be distributed with the file system a part of that distribution

Answer: Option 'B'

Servers and clients can be on same machines

2.

What are not the characteristics of a DFS ?

   A.) login transparency and access transparency
   B.) Files need not contain information about their physical location
   C.) No Multiplicity of users
   D.) No Multiplicity if files

Answer: Option 'C'

No Multiplicity of users

3.

What are the different ways file accesses take place ?

   A.) sequential access
   B.) direct access
   C.) indexed sequential access
   D.) all of the mentioned

Answer: Option 'D'

all of the mentioned

4.

What are characteristic of a DFS ?

   A.) Fault tolerance
   B.) Scalability
   C.) Heterogeneity of the system
   D.) Upgradation

Answer: Option 'D'

Upgradation

5.

Which is not an examples of state information?

   A.) Mounting information
   B.) Description of HDD space
   C.) Session keys
   D.) Lock status

Answer: Option 'B'

​Description of HDD space

6.

What are examples of state information?

   A.) opened files and their clients
   B.) file descriptors and file handles
   C.) current file position pointers
   D.) all of the mentioned

Answer: Option 'D'

all of the mentioned

7.

Which is not a major components of file system?

   A.) Directory service
   B.) Authorization service
   C.) Shadow service
   D.) System service

Answer: Option 'C'

​Shadow service

8.

What are the different ways mounting of file system?

   A.) boot mounting
   B.) auto mounting
   C.) explicit mounting
   D.) all of the mentioned

Answer: Option 'D'

all of the mentioned

9.

What is the advantage of caching in remote file access ?

   A.) Reduced network traffic by retaining recently accessed disk blocks
   B.) Faster network access
   C.) Copies of data creates backup automatically
   D.) None of the mentioned

Answer: Option 'A'

Reduced network traffic by retaining recently accessed disk blocks

10.

What is networked virtual memory?

   A.) Caching
   B.) Segmentation
   C.) RAM disk
   D.) None of the mentioned

Answer: Option 'A'

Caching

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