OS Distributed File Systems

bully algorithm

ring algorithm

both bully and ring algorithm

none of the mentioned

immutable file

mutex file

mutable file

none of the mentioned

Application

Presentation

Transport

Data Link

Network Operating system

Zone based Operating system

Level based Operating system

All of the mentioned

Network

Transport

Application

Physical

Fault tolerance

Scalability

Heterogeneity of the system

Upgradation

name systems in the network

address messages with the process-id

virtual circuit

message switching

Circuit switching

Message switching

Token switching

Packet switching

logically

physically

both logically and physically

none of the mentioned

Easy to implement in a single processor system

Data cached on a per process basis using write through case control

Write-back enhances access performance

All of the mentioned