Computer Distributed Computing (CDC) MCQ's




Question 751 :
The ___________ operating system is specifically designed for heterogeneous multicomputer system, where multiple hardware and network platforms are supported.

  1. distributed
  2. network
  3. middleware
  4. hybrid
  

Question 752 :
What are not the characteristics of a DFS?

  1. login transparency and access transparency
  2. Files need not contain information about their physical location
  3. No Multiplicity of users
  4. No Multiplicity if files
  

Question 753 :
A layer which is the binary data protocol layer.

  1. stub layer
  2. skeleton layer
  3. remote layer
  4. transport protocol
  

Question 754 :
The maximum number of messages required per CS execution in Maekawa's algorithm for deadlock handling is

  1. 4√N
  2. √N
  3. 5√N
  4. 2√N
  

Question 755 :
In the client - server system having memory with disk , the file can be stored in _____________location .

  1. On any machine in network
  2. Sever's main memory
  3. On cloud
  4. On Storage area network
  

Question 756 :
_______ is not possible in distributed file system

  1. File replication
  2. Migration
  3. Client interface
  4. Remote access
  

Question 757 :
A paradigm of multiple autonomous computers, having a private memory, communicating through a computer network, is known as

  1. Distributed computing
  2. Cloud computing
  3. Centralized computing
  4. Parallel computing
  

Question 758 :
An architecture where clients first communicate the server for data then format and display it to the users, is known as ___________

  1. Client/Server architecture
  2. Three-tier architecture
  3. Two-tier architecture
  4. Peer-to-Peer architecture
  

Question 759 :
What are the characteristics of data migration?

  1. transfer data by entire file or immediate portion required
  2. transfer the computation rather than the data
  3. execute an entire process or parts of it at different sites
  4. execute limited portion of data
  

Question 760 :
The principal transparency issue related to naming is ______________ transparency.

  1. Replication
  2. Location
  3. Migration
  4. Access
  

Question 761 :
Middleware systems follow

  1. middleware solution
  2. specific model
  3. specific architecture style
  4. specific protocol
  

Question 762 :
Which of the following are the problems of token ring algorithms

  1. Lost token, coordinator crash
  2. Coordinator crash, low efficiency
  3. process crash, low efficiency
  4. Lost token, process crash
  

Question 763 :
Which of the below element is usually not there in the header?

  1. Sequence number
  2. Structural information
  3. Address
  4. File mode(Read/ Write)
  

Question 764 :
Which of the following is NOT type of distributed systems

  1. Distributed computing system
  2. Pervasive system
  3. Distributed Information System
  4. Parallel System
  

Question 765 :
The Ricart - Agrawala distributed mutual exclusion algorithm is:

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

Question 766 :
For proper synchronization in distributed systems _____

  1. prevention from the deadlock is must
  2. prevention from the starvation is must
  3. prevention from the deadlock - starvation is must
  4. prevention from deadlock is not necessary
  

Question 767 :
What is the advantage of caching in remote file access?

  1. Reduced network traffic by retaining recently accessed disk blocks
  2. Faster network access
  3. Copies of data creates backup automatically
  4. Faster backup
  

Question 768 :
Which algorithm requires 1 to ∞ messages to enter and leave a critical region?

  1. Token ring algorithm
  2. Centralized algorithm
  3. Decentralized algorithm
  4. Distributed algorithm
  

Question 769 :
Which of the following is not a variable defined in Raymond's tree based algorithm:

  1. Holder
  2. Using
  3. Privilege
  4. Asked
  

Question 770 :
SRM protocol stands for

  1. Scalable Reliable Multispreading
  2. Scalable Recovery Multicasting
  3. Scalable Reliable Multicasting
  4. Scalable Recovery Multispreading
  

Question 771 :
Message passing provides a mechanism to allow processes to communicate and to synchronize their actions _______.

  1. By sharing the same address space
  2. without sharing the same address space
  3. by sharing the same process number and Process Identifier
  4. By sharing network
  

Question 772 :
In HDFS, . ________ is the slave/worker node and holds the user data in the form of Data Blocks.

  1. DataNode
  2. NameNode
  3. Data block
  4. Replication
  

Question 773 :
The name of a file doesn't need to be changed when the file's physical storage location changes is a feature of ____________

  1. Naming
  2. Location independence
  3. Location transparency
  4. Location dependence
  

Question 774 :
The ability of distributed system to hide the fact is known as?

  1. Openness
  2. Scalability
  3. transparency
  4. Homogeneity
  

Question 775 :
The NFS client module caches the results of ____________- operations in order to reduce the number of requests transmitted to servers.

  1. svmlink,rmdir, read and write
  2. rmdir,read,lookup and write
  3. read, write, getattr, lookup and readdir
  4. Lookup, getattr, readdir, and rmdir
  

Question 776 :
____ can be defined as a lightweight process, a part of process which is to be executed sequentially on one core

  1. method
  2. Thread
  3. virtualization
  4. client server
  

Question 777 :
The ___________ layer, which provides the interface that client and server application objects use to interact with each other.

  1. Increasing
  2. Count
  3. Bit
  4. Stub/skeleton
  

Question 778 :
Which of the following conditions is not requied to solve the critical section problem?

  1. Mutual Exclusion
  2. Progress
  3. Bounded Waiting
  4. Sharing
  

Question 779 :
The __________consist of a network of personal computers, each with its own hard disk nad local files system and interconnected over the network termed as diskful workstations

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

Question 780 :
If file system is growing without affecting performance of the system then this Union feature is called as?

  1. portable
  2. robust
  3. Scalability
  
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