17cs403 - Ds Test Your Knowledge
Module 1. 1 - 1. 7
- 1.
- Distributed systems have significant characteristics of
- A.
3 types
- B.
2 types
- C.
4 types
- D.
5 types
- 2.In distributed system each processor has its own
- A.
Local memory
- B.
Clock
- C.
Both local memory and clock
- D.
None of the mentioned
- 3.RPC allows a computer program to cause a subroutine to execute in _________
- A.
Its own address space
- B.
Another address space
- C.
Both its own address space and another address space
- D.
Applications address space
- 4.Port identities and capabilities are maintained by
- A.
Object Oriented Operating System
- B.
Kernel Service
- C.
Kernel
- D.
Microkernel
- 5.A message includes a header that identifies the sending and receiving
- A.
Programs
- B.
Processes
- C.
Application
- D.
System
- 6.What is interprocess communication?
- A.
Communication within the process
- B.
Communication between two process
- C.
Communication between two threads of same process
- D.
None of the mentioned
- 7.Messages sent by a process
- A.
Have to be of a fixed size
- B.
Have to be a variable size
- C.
Can be fixed or variable sized
- D.
None of the mentioned
- 8.Bounded capacity and Unbounded capacity queues are referred to as
- A.
Programmed buffering
- B.
Automatic buffering
- C.
User defined buffering
- D.
No buffering
- 9.In the non blocking send
- A.
A. the sending process keeps sending until the message is received
- B.
The sending process sends the message and resumes operation
- C.
The sending process keeps sending until it receives a message
- D.
None of the mentioned
- 10.In RPC, while a server is processing the call, the client is blocked ________
- A.
Unless the client sends an asynchronous request to the server
- B.
Unless the call processing is complete
- C.
For the complete duration of the connection
- D.
Unless the server is disconnected
- 11.
- The local operating system on the server machine passes the incoming packets to the ___________
- A.
Server stub
- B.
Client stub
- C.
Client operating system
- D.
Client process
- 12.RPC works between two processes. These processes must be ____________
- A.
On the same computer
- B.
On different computers connected with a network
- C.
On the same computer and also on different computers connected with a network
- D.
On none of the computers
- 13.A remote procedure call is _______
- A.
Inter-process communication
- B.
A single process
- C.
A single thread
- D.
A single stream
- 14.If one site fails in distributed system
- A.
The remaining sites can continue operating
- B.
All the sites will stop working
- C.
Directly connected sites will stop working
- D.
None of the mentioned
- 15.The capability of a system to adapt the increased service load is called
- A.
Scalability
- B.
Tolerance
- C.
Capacity
- D.
None of the mentioned
- 16.Network operating system runs on
- A.
Server
- B.
Every system in the network
- C.
Both A & B
- D.
None of the mentioned
- 17.Processes on the remote systems are identified by
- A.
Host ID
- B.
Host name and identifier
- C.
Identifier
- D.
Process ID
- 18.A remote procedure is uniquely identified by _________
- A.
Program number
- B.
Version number
- C.
Procedure number
- D.
All of the mentioned
- 19.The link between two processes P and Q to send and receive messages is called ________
- A.
Communication link
- B.
Message-passing link
- C.
Synchronization link
- D.
All of the mentioned
- 20.RPC provides a(an) _____ on the client side, a separate one for each remote procedure.
- A.
Stub
- B.
Identifier
- C.
Name
- D.
Process identifier
- 21.A process that is based on IPC mechanism which executes on different systems and can communicate with other processes using message based communication, is called ________
- A.
Local Procedure Call
- B.
Inter Process Communication
- C.
Remote Procedure Call
- D.
Remote Machine Invocation
- 22.Transparency that enables multiple instances of resources to be used, is called
- A.
Performance transparency
- B.
Scaling transparency
- C.
Replication transparency
- D.
Concurrency transparency
- 23.Interprocessor communication that takes place
- A.
Centralized memory
- B.
Shared memory
- C.
Message passing
- D.
Both A and B
- E.
All of these
- 24.How many layers does Internet model ISO consists of ?
- A.
Three
- B.
Five
- C.
Seven
- D.
Eight
- 25.What are the advantages of file replication ?
- A.
Improves availability &performance
- B.
Decreases performance
- C.
Consistent
- D.
Improves speed
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