Computer Distributed Computing (CDC) MCQ's




Question 691 :
Serializability is the term, used in ______ characteristic of distributed system

  1. scalability
  2. concurrency
  3. fault tolerance
  4. openness
  

Question 692 :
What are the characteristics of process 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 693 :
Which are the two complementary deadlock-prevention schemes using time stamps ?

  1. The wait-die - wound-wait scheme
  2. The wait-n-watch scheme
  3. The wound-wait scheme
  4. The wait-wound - wound-wait scheme
  

Question 694 :
__________ is a process that prevents multiple threads or processes from accessing shared resources at the same time

  1. Critical section
  2. Deadlock
  3. Message passing
  4. Mutual Exclusion
  

Question 695 :
Registration of a server makes it possible for a client to locate the server and

  1. Bind to it
  2. Listen to it
  3. Refer to it
  4. Store to it
  

Question 696 :
__________ refers to degree of tolerance against component failure and errors

  1. Performance
  2. Availability
  3. Integrity
  4. Reliability
  

Question 697 :
In ______________ all the processes submitted by the users are distributed among the nodes of the system so as to equalize the workload among the nodes

  1. Load Sharing
  2. Load Balancing
  3. Task Assignment
  4. Data Parallelism
  

Question 698 :
What is common problem found in distributed system ?

  1. Process Synchronization
  2. Communication synchronization
  3. Deadlock problem
  4. Power failure
  

Question 699 :
Which is NOT the characteristic of a DFS?

  1. reliability
  2. Scalability
  3. Transperency
  4. Upgradation
  

Question 700 :
Deterministic and probabilistic algorithms are the types of _____________.

  1. Static Load balancing algorithm
  2. Dynamic Load balancing algorithm
  3. Distributed
  4. Centralized
  

Question 701 :
____________ Files are the files which are read only.

  1. . Mutable
  2. Immutable
  3. Setup
  4. Recursive
  

Question 702 :
Which is not an examples of state information ?

  1. Mounting information
  2. Description of HDD space
  3. Session keys
  4. Lock status
  

Question 703 :
A process is already split into pieces, called________________.

  1. Tasks
  2. Program
  3. Processors
  4. Routines
  

Question 704 :
In a distributed file system, when a file’s physical storage location changes ___________

  1. File name needs to be changed
  2. File name need not to be changed
  3. File’s host name needs to be changed
  4. File’s local name needs to be changed
  

Question 705 :
In which type of communication, messages are stored as long as sender and receiver are executing?

  1. Persistent
  2. Transient
  3. RMI based Communication
  4. RPC based Communication
  

Question 706 :
A multiprocessor operating system must take care of

  1. authorized data access and data protection
  2. unauthorized data access and data protection
  3. authorized data access
  4. data protection
  

Question 707 :
Which of the following is not an example of stream data

  1. Video
  2. Audio
  3. large data files
  4. text
  

Question 708 :
What is a Iterative server

  1. Its handles request and give response to client
  2. Server does not handle request
  3. its uses concurrent server
  4. Its not handles request and give response to client
  

Question 709 :
Replication should be used when which of the following exist?

  1. When transmission speeds and capacity in a network prohibit frequent refreshing of large tables.
  2. When using many nodes with different operating systems and DBMSs and database designs.
  3. The application's data can be somewhat out-of-date.
  4. When using some nodes with selected operating system.
  

Question 710 :
In the token passing approach of distributed systems, processes are organized in a ring structure

  1. Logically
  2. Physically
  3. Both logically and physically
  4. No specific to any structure
  

Question 711 :
A type of consistency model in which shared data can be counted on to be consistent only after a synchronization is done

  1. Weak consistency
  2. Sequential consistency
  3. Casual consistency
  4. Strict consistency
  

Question 712 :
When will file system fragmentation occur?

  1. unused space or single file are not contiguous
  2. used space is not contiguous
  3. unused space is non-contiguous
  4. multiple files are non-contiguous
  

Question 713 :
RPC is a _________.

  1. synchronous operation
  2. asynchronous operation
  3. time independent operation
  4. channel specific operation
  

Question 714 :
Which of the following algorithm is Non- Token Based Algorithm for Mutual Exclusion

  1. Singhal‘s Heurastic Algorithm
  2. Suzuki-Kasami‘s Broadcast Algorithms
  3. Maekawa‘s Algorithm
  4. Raymond‘s Tree based Algorithm
  

Question 715 :
When calling the socket primitive, the caller creates a new communication end point for a specific _________ protocol

  1. Transport
  2. Application
  3. UDP
  4. Socet
  

Question 716 :
The variable that assures local copies are consistent with remote ones is________.

  1. Release
  2. Acquire
  3. Read
  4. Write
  

Question 717 :
The type of communication where the sender is blocked until its message is stored in a local buffer at the receiving host, or actually delivered to the receiver.

  1. Transient communication
  2. Persistent communication
  3. Synchronous communication
  4. Asynchronous communication
  

Question 718 :
The section of a program that need exclusive access to shared resources is referred to as

  1. Cordinator
  2. Critical Section
  3. Time Server
  4. Mutual Area
  

Question 719 :
A system is fault tolerant if it can continue to operate in the __________________

  1. presence of failures
  2. absence of failures
  3. presence of replication
  4. absence of replication
  

Question 720 :
___________ is a set of technologies for copying and distributing data and database objects from one database to another.

  1. Replication
  2. Database Mirroring
  3. Log Shipping
  4. Consistency
  
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