Operating System Multiple Choice Questions on “Distributed File System”.
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: b
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: c
3. What are characteristic of a DFS?
a) Fault tolerance
b) Scalability
c) Heterogeneity of the system
d) Upgradation
Answer: d
4. 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: d
5. Which is not a major component of a file system?
a) Directory service
b) Authorization service
c) Shadow service
d) System service
Answer: c
Clarification: None.
6. What are the different ways mounting of the file system?
a) boot mounting
b) auto mounting
c) explicit mounting
d) all of the mentioned
Answer: d
Clarification: None.
7. 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: a
Clarification: None.
8. What is networked virtual memory?
a) Caching
b) Segmentation
c) RAM disk
d) None of the mentioned
Answer: a
Clarification: None.
9. What are the 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: d
Clarification: None.
10. Which is not an example of state information?
a) Mounting information
b) Description of HDD space
c) Session keys
d) Lock status
Answer: b