Top 150+ Solved Distributed Computing System (DCS) MCQ Questions Answer
Q. In context of HDFS file system, Point out the wrong statement.
a. replication factor can be configured at a cluster level (default is set to 3) and also at afile level
b. block report from each datanode contains a list of all the blocks that are storedon that datanode
c. user data is stored on the local file system of datanodes
d. datanode is aware of the files to which the blocks stored on it belong to
Q. In HDFS, . is the slave/workernode and holds the user data in the form of Data Blocks.
a. datanode
b. namenode
c. data block
d. replication
Q. In distributed file system,XDR stands for?
a. external data request
b. external device request
c. external data recovery
d. external data representation
Q. If file system is growing without affectingperformance of the system then this feature is called as?
a. union
b. portable
c. robust
d. scalability
Q. Session file sharing semantics are suitablefor caching
a. complete folder
b. complete file
c. one byte
d. one block
Q. The file once created can not be changed iscalled
a. rigid file
b. rex file
c. immutable file
d. robust file
Q. Remote Procedure Calls are used ____________
a. for communication between two processes remotely different from each other on the same system
b. for communication between two processes on the same system
c. for communication between two processes on separate systems
d. none of the mentioned
Q. To differentiate the many network services a system supports ______ are used.
a. variables
b. sockets
c. ports
d. service names
Q. RPC provides a(an) _____ on the client side, a separate one for each remote procedure.
a. stub
b. identifier
c. name
d. process identifier
Q. What is stub?
a. transmits the message to the server where the server side stub receives the message and invokes procedure on the server side
b. packs the parameters into a form transmittable over the network
c. locates the port on the server
d. all of the mentioned
Q. To resolve the problem of data representation on different systems RPCs define _____________
a. machine dependent representation of data
b. machine representation of data
c. machine-independent representation of data
d. none of the mentioned
Q. What is the full form of RMI?
a. remote memory installation
b. remote memory invocation
c. remote method installation
d. remote method invocation
Q. The remote method invocation __________
a. allows a process to invoke memory on a remote object
b. allows a thread to invoke a method on a remote object
c. allows a thread to invoke memory on a remote object
d. allows a process to invoke a method on a remote object