Distributed Operating System Subcategories

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

Which layer is responsible for The process-to-process delivery?

A. Network
B. Transport
C. Application
D. Physical

Which layer is the layer closest to the transmission medium?

A. Physical
B. Data link
C. Network
D. Transport

Header are ______ when data packet moves from upper to the lower layers?

A. Modified
B. Removed
C. Added
D. All of the mentioned

Which layer lies between the transport layer and data link layer?

A. Physical
B. Network
C. Application
D. Session

Which of the following is an application layer service?

A. Mail service
B. File transfer
C. Remote access
D. All of the mentioned

What are the different ways distributed may suffer?

A. Failure of a link
B. Failure of a site
C. Loss of message
D. All of the mentioned

What are design issues in distributed system structure?

A. Scalability
B. Fault-tolerance
C. Clustering
D. All of the mentioned

In which OSI layer encryption and decryption happens?

A. Application
B. Presentation
C. Transport
D. Data link

What are the important steps followed when recovery from failure happens?

A. Post repairing integration with main system should happen smoothly and gracefully
B. Upon link failure both parties at end must not be notified
C. Fault recovery system must me adjusted
D. Failures are logged systematically