Distributed Operating System Subcategories

File System 1	Cpu Scheduling Algorithms 2
Network Structure Topology	Robustness
Types Resource Sharing	File System 2
Distributed File System

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

What are characteristic of a DFS?

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

What are the different ways file accesses take place?

A. Sequential access
B. Direct access
C. Indexed sequential access
D. All of the mentioned

Which is not a major component of a file system?

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

What are the different ways mounting of the file system?

A. Boot mounting
B. Auto mounting
C. Explicit mounting
D. All of the mentioned

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

What is networked virtual memory?

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

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

Which is not an example of state information?

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