Computer Distributed Computing (CDC) MCQ's




Question 211 :
Machine that places the request to access the data is generally called as __________.

  1. Server Machine
  2. Client Machine
  3. Request Machine
  4. Database server
  

Question 212 :
Which one is NOT a part of the sets of services underlying the Google Search Engine

  1. Crawling
  2. Testing
  3. Ranking
  4. Indexing
  

Question 213 :
What are the characteristics of processor in distributed system?

  1. They are same in size
  2. They are manufactured with single purpose
  3. They vary in size and function
  4. They are same in function
  

Question 214 :
RPC works between two processes. These processes must be ____________

  1. on the same computer
  2. on different computers connected with a network
  3. on the same computer and also on different computers connected with a network
  4. on none of the computers
  

Question 215 :
In distributed information systems ______ is responssible for executing several transactions concurrently over the network without any conflict.

  1. Enterprise application integration
  2. Transaction processing system
  3. Computational Grid
  4. Collaborative Grid
  

Question 216 :
Any electronic holding place where data can be stored and retrieved later whenever required is ____________

  1. memory
  2. drive
  3. disk
  4. circuit
  

Question 217 :
In RMI, a remote interface is a normal ____ interface, which must extend the marker interface

  1. C
  2. C++
  3. Java
  4. Pascal
  

Question 218 :
The link between two processes P and Q to send and receive me

  1. communication link
  2. message-passing link
  3. synchronization link
  4. share data
  

Question 219 :
The Ricart - Agrawala distributed mutual exclusion algorithm is

  1. More efficient and more fault tolerant than a centralized algorithm.
  2. Less efficient and less fault tolerant than a centralized algorithm
  3. Less efficient but more fault tolerant than a centralized algorithm.
  4. More efficient but less fault tolerant than a centralized algorithm.
  

Question 220 :
What do you mean by RPC?

  1. Relay Procedure call
  2. Remote Process Call
  3. Remote Procedure call
  4. Remote Process Cell
  

Question 221 :
_______________ algorithm requires clients to periodically synchronize with central time server.

  1. Cristian’s algorithm
  2. Berkeley algorithm
  3. Lamport algorithm
  4. Election algorithm
  

Question 222 :
Satefull Service in DFS is i)It maintains what files are opened by a client; connection identifiers; server caches ii)Memory must be reclaimed when client closes file or when client dies iii)The server can maintain information on behalf of the client, but it's not required.

  1. Only i
  2. Only ii
  3. i and ii only
  4. i,ii,and iii
  

Question 223 :
Select which is not type of group communication

  1. One to One Communication
  2. Many to One Communication
  3. Many to Many Communication
  4. One to Many Communication
  

Question 224 :
Which of the following algorithm is Non- Token Based Algorithm for Mutual Exclusion

  1. Singhal‘s Heurastic Algorithm
  2. Bully Algorithm
  3. Maekawa‘s Algorithm
  4. Raymond‘s Tree based Algorithm
  

Question 225 :
When high priority task is indirectly preempted by medium priority the scenario is called

  1. priority inversion
  2. priority removal
  3. priority exchange
  4. priority modification
  

Question 226 :
_____ is the key technique that is needed to achieve fault tolerance.

  1. Availability
  2. Redundancy
  3. Scalability
  4. Heterogeneity
  

Question 227 :
Advantage in ___ model is that some of its processors can work as servers, if the load has increased or if more users are logged in and demand new services.

  1. Workstation model
  2. Workstation -server model
  3. Processor-pool model
  4. Client-server model
  

Question 228 :
What is WPA?

  1. wi-fi protected access
  2. wired protected access
  3. wired process access
  4. wi-fi process access
  

Question 229 :
Logical extension of computation migration is

  1. process migration
  2. system migration
  3. thread migration
  4. data migration
  

Question 230 :
The degree of tolerance of update dependancy and state read is defined as________.

  1. Concurrency
  2. Consistency
  3. Availability
  4. Isolation
  

Question 231 :
A process can be ___________

  1. single threaded
  2. tripalthreaded
  3. single threaded and multithreaded
  4. doublethreaded
  

Question 232 :
Communication layer is forced to deliver incoming messages from the same process in the same order as they have sent is called as____________.

  1. Unoredered multicast
  2. FIFO ordered multicast
  3. Casually ordered multicast
  4. Totally ordered multicasts
  

Question 233 :
Middleware called __________ for connecting independent systems together and makes them work together.

  1. Homogeneous
  2. Glue-code
  3. Heterogeneous
  4. Concurrent
  

Question 234 :
The sections of a program that need exclusive access to shared resources are referred as___________

  1. Critical sections
  2. deadlocks
  3. fairness
  4. starvation
  

Question 235 :
what is mean by MOS?

  1. Multiprocessor operating system
  2. Multicomputer operating system
  3. Middleware operating system
  4. IPC
  

Question 236 :
____________ used in replication of stocks

  1. Numerical deviation
  2. Staleness deviation
  3. Ordering deviation
  4. Time deviation
  

Question 237 :
Increased service load handled by capability of system is known as-

  1. Capacity
  2. Scalability
  3. Tolerance
  4. Expansion
  

Question 238 :
____ change the state of thread from suspen

  1. run()
  2. yield()
  3. destroy()
  4. start()
  

Question 239 :
A Client centric consistency model which states A write operation by a process on a data item x is completed before any successive write operation on x by the same process.

  1. Monotonic Reads
  2. Monotonic Writes
  3. Read your writes
  4. Writes your Reads
  

Question 240 :
_________________ is often used for implementing specialized threads within a process.

  1. Team model
  2. Dispatcher worker model
  3. Pipeline model
  4. Light model
  
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