distributed system mcq bank
Chapter 1st
introduction to distributed systems
1)
What are the advantages of distributed system over
independent Pc ?
A)
Data Sharing
B)
Resource sharing
C)
Communication
D)
All of the above
Answer: D
2)
The characteristics of distributed systems are :
A)
Resource sharing
B)
Scalability
C)
Concurrency
D)
All of the mentioned
Answer: D
3)
Data canters and centralised computing coves
many and ?
A)
Microcomputer
B)
Minicomputers
C)
Mainframe computer
D)
Super computer
Answer: D
4)
A distributed systems is a collection of
independent computers that appears to user as single coherent system true or
false
A)
True
B)
False
Answer: A
5)
What is not a major reason for building
distributed system ?
A)
Resource sharing
B)
Computation speedup
C)
Reliability
D)
Simplicity
Answer D
6)
Resource and client tranapercy that allows
movement within a system is called
A)
Mobility tranapercy
B)
Concurrency transparency
C)
Replication Transparency
D)
Performance transparency
Answer: A
7)
A set of highly integrated machine that run the same
process in parallel is known to be?
A)
Space based
B)
Loosely coupled
C)
Tightly coupled
D)
Peer to peer
Answer: C
8)
The tranapercy that enable the multiple
instances of resources to be used is
called?
A)
Performance transparency
B)
Scaling tranapercy
C)
Concurrency transparency
D)
Replication Transparency
Answer: D
9)
The capacity of a system to adapt the increased service
load is called
A)
Capacity
B)
Tolerance
C)
Scalability
D)
Non of the mentioned
Answer: C
10)
What is not true about the distributed system
A)
It is collection of processor
B)
All processors are synchronised
C)
They do not share the memory
D)
Non of the mentioned
Answer: B
Chapter 2nd architecture style
1)
What is correct about data centralised architecture
?
A)
It is Modifiable with respect to changing the
functionality of any particular client as other clients will not be affected
B)
It is non-modifiable with respect to changing
the functionality of any particular client as other clients will not be
affected
C)
Coupling among the client will lessen the effect
of data Centered Architecture
D)
All of the mentioned
Answer: D
2)
In which following style new clients can be
added easily ?
A)
Data flow architecture
B)
Call and return Architecture
C)
Data Centered Architecture
D)
Non of the mentioned
Answer: C
3)
Which of the following are the types of call and
return Architecture
A)
Main Program and Subroutine Architecture
B)
Remote procedure call system
C)
Object oriented or abstract data type system
D)
All of the mentioned
Answer: D
4)
What is batch sequential style
A)
A batch sequential components are independent programs
B)
Assumption is that each step run to completion before
the next step start
C)
All of the mentioned
D)
Non of the mentioned
Answer:
C
5)
Which architecture style goal is to achieve integrablity
?
A)
Data flow architecture
B)
Call and return Architecture
C)
Data Centered Architecture
D)
Non of the mentioned
Answer : C
6)
Remote procedure call system type has the main
goal to achieve ?
A)
Performance
B)
Modifiability
C)
Integrability
D)
Non of the mentioned
Answer: A
7)
Which of the architecture style is subdivided
into batch sequential and pipes and filters
A)
Call and return Architecture
B)
Data flow architecture
C)
Data Centered Architecture
D)
Non of the mentioned
Answer: B
8)
Repository and blackboard are the subtypes of
which architecture?
A)
Data Centered Architecture
B)
Data flow architecture
C)
Call and return Architecture
D)
Non of the mentioned
Answer: A
9)
Data Centered Architecture Style is main goal to
achieve ?
A)
Modifiability
B)
Integrability
C)
Performance
D)
Non of the mentioned
Answer: B
10)
Architecture Styles is composed of which of the
followings.
A)
A set of component types that perform some
function at run time
B)
A topological layout of these components indicating
their run time inter relationship
C)
A set of semantic constraint
D)
None of the mentioned
Answer:
C
Chapter 3rd Processes
1)
Threads are building blocks of ?
A)
Processes
B)
Operating system
C)
Clients
D)
Non of the mentioned
Answer: A
2)
A process is already split into pieces called ?
A)
Task
B)
Programme
C)
Processes
D)
Routine
Answer: A
3)
A. Process is ?
A)
Programme in main memory
B)
Programme in cache memory
C)
Programme in secondary storage
D)
Programme in execution
Answer: D
4)
What are characteristics of the process
Migration ?
A)
Transfers data by entire file or immediate
portion required
B)
Transfers the computation rather than the data
C)
Execute the entire process or parts of it at
different sites
D)
Non of the mentioned
Answer: C
5)
Processes on the remote systems are identified
by ?
A)
Host ID
B)
Host name and identifier
C)
Identifier
D)
Process ID
Answer: B
6)
In distributed systems a logical clock is associated
with
A)
Local memory
B)
Clock
C)
Both local memory and clock
D)
Non of the mentioned
Answer: C
7)
____ is the relocation of a process from its
current location to another node
A)
Process Migration
B)
Load balancing
C)
RPC
D)
None of the mentioned
Answer:
A
8)
Process Migration involves ?
A)
Selection of process to be migrated
B)
Selection of destination system or node
C)
Actual transfer of the selected process to the destination
system or node
D)
All A,B,C
Answer: D
9)
Termination of the process terminates
A)
First thread of process
B)
First two threads of process
C)
All threads with the process
D)
No threads of the process
Answer: B
10)
____ are implemented by the users
A)
Kernal threads
B)
User threads
C)
Both A
and B
D)
Non of the mentioned
Answer:
B
Chapter 4th communication
1)
In distributed systems information is exchange
through ?
A)
Memory sharing
B)
Message passing
C)
Both A and B
D)
None of the mentioned
Answer: B
2)
RPC initiated by the ?
A)
Server
B)
Client
C)
Both A and B
D)
None of the mentioned
Answer: C
3)
How many layers does internet model ISO consist
of ?
A)
Three
B)
Five
C)
Six
D)
Seven
Answer: D
4)
Remote procedure call 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 system
D)
Non of these
Answer: C
5)
In message passing system a message passing
facility provides at least two operation:
A)
Send message and delete message
B)
Delete message and receive message
C)
Send and receive message
D)
Write and delete message
Answer: C
6)
Machine that places the requested to access the
data is generally called as ?
A)
Server machine
B)
Client machine
C)
Request machine
D)
Non of the mentioned
Answer: B
7)
RPC provides an ____ on the client side a
separate one for each remote procedure
A)
Stub
B)
Identifier
C)
Name
D)
Process identifier
Answer:. A
8)
RPC connectors and message queues are mechanism
for ?
A)
Message retrieving
B)
Message passing
C)
Message delivering
D)
Message deleting
Answer: B
9)
A global system of interconnected computer
network is known as ?
A)
Internet
B)
Ethernet
C)
Intranet
D)
Non of the mentioned
Answer': A
10)
Desirable feature of good message passing are ?
A)
Simplicity
B)
Uniform Semantics
C)
Efficiency
D)
All of the above
Answer:
D
Chapter 5th Naming
1)
A ___ in a distributed systems is a string of
bits or characters that is used to refer to an entity.
A)
Name
B)
Attributes
C)
Identifiers
D)
Addresses
Answer: A
2)
DNS stands for
A)
Direct name system
B)
Domain name system
C)
Direct network system
D)
Domain network system
Answer: B
3)
A naming system should be efficient in the sense
that the number of messages is exchange in a name mapping operation should be
as ______ as possible
A)
Big
B)
Small
Answer: B
4)
____ name is generally a character string that
is meaningful to its user
A)
System oriented
B)
Human oriented
C)
Mapping
D)
Non of the mentioned
Answer : B
5)
Flat name do not have any structure true or
false?
A)
True
B)
False
Answer: B
6)
Name spaces are managed by ?
A)
Name machine
B)
Name agent
C)
Name servers
D)
Non of the mentioned
Answer: C
7)
____ name spaces are easier to manage efficiently as compared to _____
name spaces
A)
Flat and partitioned
B)
Partitioned ,flat
C)
Machine and flat
D)
Non of the mentioned
Answer: B
8)
____ is act between Name server and their
clients
A)
Name machine
B)
Context
C)
Name agents
D)
Main servers
Answer: C
9)
_____ is a structured as a set of subroutines that
are linked to the client program
A)
Private Name agent
B)
Public Name agent
C)
Private Name server
D)
Public Name client
Answer: A
10)
What are
the characteristics of the naming and name resolution ?
A)
Name system in the network
B)
Address messages with the process
C)
Virtual circuit
D)
Message switching
Answer: B
Chapter 6th Synchronisation
1)
What is common problem in distributed systems?
A)
Process synchronisation
B)
Communication synchronisation
C)
Deadlock problem
D)
Non of the mentioned
Answer: C
2)
According to the ring algorithm links between
process are?
A)
Bidirectional
B)
Unidirectional
C)
Both A and B
D)
Non of the mentioned
Answer : B
3)
What are the characteristics of mutual exclusion using centralised approach?
A)
One processer as coordinator which handles all requests
B)
It requires request, reply and release per
critical section entry
C)
The method is free from starvation
D)
All of the mentioned
Answer: D
4)
In Cristian’s algorithm the time server is?
A)
Active
B)
Passive
C)
Both A and B
D)
None of the mentioned
Answer: B
5)
What is UTC ?
A)
Universal centralised time
B)
Universal coordinate time
C)
Unique centralised time
D)
Non of the mentioned
Answer: B
6)
Cristian’s algorithm is ___?
A)
Passive time server algorithm
B)
Active time server algorithm
C)
Both A and B
D)
Answer: A
7)
In case of failure new transaction coordinator can
be elected by?
A)
Cristian’s algorithm
B)
Bully algorithm
C)
Both A and B
D)
None of the mentioned
Answer: B
8)
For proper synchronisation in distributed
systems ___
A)
Prevention from the deadlock is most
B)
Prevention from the starvation is most
C)
Prevention from the deadlock and starvation is
most
D)
Non of the mentioned
Answer: C
9)
The _____ is used to keep track of the
oscillation of the quartz crystal ?
A)
Counter register
B)
Quartz register
C)
Constant register
D)
Non of the mentioned
Answer: A
10)
The value in the counter register is ______ by one for each oscillation of the quartz
crystal
A)
Incremental
B)
Decrement
Answer: B
Shinde*****
Distributed Computing System.
1)
A distributed system is a collection of independent
computers that appears to user a single coherent
systems . True or false
A)
True
B)
False
Answer : A
2)
Distributed System have ?
A)
High security.
B)
Better resource sharing.
C)
Better system utilisation
D)
Low system overhead
Answer: B
3)
Which amongst the following is not an advantages
of distributed system
A)
Resource Sharing
B)
Incremental growth
C)
Reliability
D)
Non of the above
Answer : C
4)
Distributed systems should ?
A) high security
B) have better resource Sharing
C) better system utilisation
D) low system overhead
Answer : B
5)
Which of the following is true distributed
system
A)
Tightly- coupled software on loosely-coupled hardware
B)
Loosely-coupled software on tightly-coupled hardware
C)
Tightly- coupled software on tightly-coupled hardware
D)
Loosely-coupled software on loosely- coupled
hardware
Answer : A
6)
In the distributed system all the resources are
?
A)
Easily accessible to the user
B)
Not easy to accessible to the user
C)
Reliably
D)
Non of the above
Answer : A
7)
Scalability of a system can be measured along at
least ?
A)
Two dimensions
B)
Three dimensions
C)
One dimensions
D)
Four dimensions
Answer : B
8)
If one
site is fail in distributed systems ?
A)
The remaining side can continue operating
B)
All the sites will stop working
C)
Directly connected sides will stop working
D)
Non of the mentioned
Answer : A
9)
The capability of a system to adapt the
increased service load is called ?
A)
Capability
B)
Tolerance
C)
Scalability
D)
Non of the mentioned
Answer : C
10)
The tranapercy that enable multiple instances of
resources to be used is called
A)
Performance transparency
B)
Scaling tranapercy
C)
Concurrency transparency
D)
Replication Transparency
Answer:
D
2 : Architecture Style
1)
Architecture style is composed of which of the
following ?
A)
A set of component types that perform some function
at run time
B)
A topological layout of these components indicating
their run time inter relationship
C)
A set of semantic constraint
D)
All of the mentioned
Answer : C
2)
In which of the following style new clients can
be added easily ?
A)
Data flow architecture
B)
Call and return Architecture
C)
Data Cantered Architecture
D)
Non of the above
Answer : C
3)
Architecture Styles is composed of which of the
following?
A)
A. Set of component types that perform some
function at run time
B)
A topological layout of these components
indicating their run time inter relationship
C)
A set of semantic constraint
D)
All of the mentioned
Answer : C
4)
Which architecture style goal to achieve Modiablity
and scalability ?
A)
Data flow architecture
B)
Call and return Architecture
C)
Virtual machine Architecture
D)
Non of the mentioned
Answer : B
5)
Which of the following are types of call and return Architecture?
A)
Main Program and Subroutine Architecture .
B)
Remote procedure call system
C)
Object oriented or abstract data type system
D)
All of the mentioned
Answer : D
6)
Data Centered Architecture is subdivided into
which of the following sub types
A)
Repository and blackboard
B)
Batch sequential , pipes and filters
C)
All of the mentioned
D)
Non of the mentioned
Answer : A
7)
Which architecture style goal is to achieve portability
A)
Data flow architecture
B)
Call and return Architecture
C)
Virtual machine Architecture
D)
Non of the mentioned
Answer : C
8)
In which architecture style goal to achieve Modfialblity
with reuse ?
A)
Data flow architecture
B)
Call and return Architecture
C)
Virtual machine architecture
D)
None of the mentioned
Answer: A
9)
Which of the following are types of call and
return Architecture ?
A)
Main Program and Subroutine Architecture
B)
Remote procedure call system
C)
Object oriented or abstract data system
D)
All of the mentioned
Answer : D
10)
Which of the following type has the main goal to
achieve performance ?
A)
Main Program and Subroutine Architecture
B)
Remote procedure call system
C)
Object oriented or abstract data system
D)
All of the mentioned
Answer : B
Chapter 3rd Processes
1)
A process can be ?
A)
Single threaded
B)
Multithreaded
C)
Both single threaded and multithreaded
D)
Non of the above
Answer : C
2)
A thread is also called ?
A)
Light weight process
B)
Heavy weight process
C)
Process
D)
None of the mentioned
Answer : A
3)
Process Migration involves ?
A)
Selection of processes to be migrated
B)
Selection of destination system or node
C)
Actual transfer of the selected process to the
destination system or node
D)
All A,B and C
Answer : D
4)
What are the characteristics of processes
migration?
A)
Transfers data by entire file or immediate portion
required
B)
Transfers the computation rather than the data
C)
Execute the entire process or parts of it at
different sites
D)
Non of the mentioned
Answer : C
5)
Termination of the process terminates ?
A)
First thread of process
B)
First two threads of the process
C)
All threads within the process
D)
No threads within the process
Answer : B
6)
Threads are the building blocks of ?
A)
Processes
B)
Clients
C)
Operating system
D)
Non of the mentioned
Answer : A
7)
In distributed system a logical clock is
associated with?
A)
Each instructions
B)
Each process
C)
Each register
D)
Non of the mentioned
Answer : B
8)
________ is the relocation of a process from its
current location into another node?
A)
Process Migration
B)
Local balancing
C)
RPC
D)
None of the mentioned
Answer : A
4th chapter Communication
1)
______ provides programmers a familiar programing
model by extending the local procedure call to a distributed environment
A)
Disturbed environment
B)
Permanent procedure call
C)
Process and file
D)
Remote procedure call
Answer : D
2)
An architecture where clients first communicate the
server for data then format and display it to the user, is known as ?
A)
Clients server architecture
B)
Three-tire architecture
C)
Two tire architecture
D)
Peer to peer architecture
Answer : A
3)
In a distributed systems information is exchange
through ?
A)
Memory sharing
B)
Memory passing
C)
Local balancing
D)
Non of the mentioned
Answer : B
4)
In message passing system A message passing
facility provides at least two operation :
A)
Send message And delete message
B)
Delete message and receive message
C)
Send message and receive message
D)
Write message and delete message
Answer : C
5)
The stub :
A)
Transmit 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 number
D)
All of the mentioned
Answer : D
6)
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 system
D)
Non of these
Answer : C
7)
Desirable feature of a good message passing system
are ?
A)
Simplicity
B)
Uniform Semantics
C)
Efficiency
D)
All of the above
Answer : D
8)
The RPC initiated by ?
A)
Server
B)
Client
C)
Both a and b
D)
Non of the mentioned
Answer : B
9)
In RPC the client program must be bound with the
small library procedure called
A)
Server stub
B)
Marshalling
C)
Local procedure call
D)
Client hub
Answer : D
10)
Internet provides _____ for remote log in ?
A)
Telnet
B)
http
C)
ftp
D)
RPC
Answer : A
Chapter 5th
Naming
1)
What are the characteristics of naming and name
resolution ?
A)
Name system in the network
B)
Address messages with the process
C)
Virtual circuit
D)
Message switching
Answers : B
2)
In distributed file systems _______ is mapping between logical and
physical objects
A)
Client interfacing
B)
Naming
C)
Migration
D)
Heterogeneity
Answer : B
3)
A _______ in a distributed systems is a string
of bits or characters that is used to refer to an entity ?
A)
Name
B)
Attributes
C)
Identifiers
D)
Addresses
Answer : A
4)
____ manages the name spaces and binds an object
to its location ?
A)
Name server
B)
Name agent
C)
Context
D)
Name resolution
Answer : A
5)
____ is an integral part of the meaning facility
, maps an object name to the object location in a distributed systems ?
A)
Naming facility
B)
Locating facility
C)
Both a and b
D)
Non of the mentioned
Answer : B
6)
_____ means that the name of an object should
not reveal any hint as to the physical location to the object
A)
Location transperency
B)
Location independency
C)
Scalability
D)
Meaningful names
Answer: A
7)
A naming system should support the use of ____ of the same object in a user transperent manner
A)
Multiple copies
B)
Single copy
Answer : A
8)
Flat names do not have any structure true or
false ?
A)
False
B)
True
Answer : B
9)
Each partition of a ____ name spaces is called a
domain of the name spaces
A)
Partitioned
B)
Machine
C)
Flat
D)
Non of the mentioned
Answer : A
10)
_____ name is a generally a character string
that is meaningful to its user
A)
System oriented
B)
Human oriented
C)
Mapping
D)
Non of the mentioned
Answer : B
6th chapter synchronisation
1)
For proper synchronisation in distributed
systems ____
A)
Prevention from the deadlock is must
B)
Prevention from the starvation is most
C)
Prevention from the deadlock & starvation is
most
D)
None of the above
Answer : C
2)
What is common problem found in distributed
systems ___
A)
Process synchronisation
B)
Communication synchronisation
C)
Deadlock problem
D)
Power failure
Answer : C
3)
If a process is executing in its critical section
___
A)
Any other process can also execute in its
critical section
B)
No other process can execute in its critical
section
C)
One more process can execute in its critical
section
D)
Non of the mentioned
Answer : B
4)
A process cam enter into a critical section ____
A)
Anytime
B)
When it’s receive a reply message from all other
processes in the system
C)
When it’s receive a reply message from it
patents process
D)
Non of the mentioned
Answer : B
5)
In a token passing approach of distributed
systems process are organised in a ring structure ___
A)
Logically
B)
Physically
C)
Both logically and physically
D)
Non of the mentioned
Answer: A
6)
In case of failure a new transaction coordinator
can be elected by ?
A)
Christian's algorithm
B)
Bully algorithm
C)
Both bully and Christian's algorithm
D)
Non of the mentioned
Answer: B
7)
In distributed systems election algorithm assumes
that?
A)
A unique priority number is associated with each active process in system
B)
There is no priority number associated with any
process
C)
Priority of the processes us not required
D)
Non of the mentioned
Answer: A
8)
According to the ring algorithm , links between
process are ?
A)
Bidirectional
B)
Unidirectional
C)
Both Bidirectional and unidirectional
D)
Non of the mentioned
Answer : B
9)
What are the characteristics of the mutual exclusion
using centralised approach
A)
One process as coordinator which handle all
requests
B)
It requires request/reply and release per
critical section entry
C)
The method is free from starvation
D)
All of the mentioned
Answer : D
10)
In Cristian's algorithm the time server is
A)
Passive
B)
Active
C)
Some internal passive some internal active
D)
Non of the mentioned
Answer : A
A) that may adversely affect scalability
B) that may adversely affect concurrency
C) that may adversely affect location transparency
D) that may adversely affect migration transparency
Answer: A
2) connecting users and resources also makes it easier to __
A) to protect ourselves using special information
B) to collaborate and exchange information
C) to build up a performance of a specific user
D) to hide the fact that its processes and resources are physically distributed.
Answer: B
3) __ deals with hiding differences in data representation and the way that resources can be
accessed by the user
A) Access transparency
B) failure transparency
C) replication transparency
D) concurrent transparency
Answer: A
4) __ refers to the fact that user can not tell where a resource a physically located in the
system
A) access transparency
B) migration transparency
C) replication transparency
D) location transparency
Answer: D
5) following is the underlining hardware consist of a collection of similar workstation
A) grid computing
B) cloud computing
C) cluster computing
D) distributed computing
Answer: C
1) what is the serious drawback of replication
6) distributed system is a collection of dependent computers that appears to its user a single
coherent system
A) true
B) false
Answer: B
7) DPS stands for__
A) distributed processing system
B) distributed performing system
C) distributed personal system
D) distributed pervasive system
Answer: D
8) DNS stands for
A) dynamic name system
B) divided name system
C) domain numbering system
D) domain name system
Answer: D
9) in which architecture style goal to achieve portability
A) Data flow architecture
B) call and return architecture
C) virtual machine architecture
D) none of the mentioned
Answer: C
10) in layered architecture style communication by the __
A) object based architecture
B) client server architecture
C) component based architecture
D) layer to layer based architecture
Answer: D
11) in __ communication happens by using remote procedure called mechanism
A) layered based architecture
B) object based architecture
C) database architecture
D) event based architecture
Answer: B
12) data centralized architecture is divided into which of the following subtypes
A) repository and blackboard
B) back sequential pipes and filters
C) all of the above
D) none of the above
Answer: A
13) Which of the followings are the types of call and return architecture?
A) main programme and subroutine architecture
B) remote procedure call
C) object oriented or abstract data type
D) all of the above
Answer: D
14) main advantage of event based architecture is that ___
A) processes are tightly coupled
B) the computers are tightly coupled
C) resources are loosely coupled
D) that processes are loosely coupled
Answer: D
15) centralised architecture is a example of ___
A) client server model
B) request response behaviour
C) both above
D) none of the above
Answer: C
16) when an operation can be repeated multiple times without harm, It is said to __
A) proper communication done
B) no any kinds of communication
C) idempotent
D) none of the above
Answer: C
17) there is in structured peer to peer network architecture the processes are organised
through ___
A) data hash table(DHT)
B) distributed hash table(DHT)
C) both mentioned above
D) none of above
Answer: D
18) there is in distributed hash table the items are assigned a random key from a large identifier
space , such as___
A) 132 bit or 190 bit identifier
B) 232 bit or 290 bit identifier
C) 32 bit or 60 bit identifier
D) 128 bit or 160 bit identifier
Answer: D
19) there is in super peer system architecture data is organised in___
A) one node holds the address of other node
B) require peer or super peer architectural style
C) all nodes maintain the list of neighbours
D) none of above
Answer: A
20) ISP stands for ___
A) internet security provider
B) internet service provider
C) internet service procedure
D) none of the above
Answer: B
21) virtualisation introduced in ___
A) 1960
B) 1966
C) 1975
D) 1970
Answer: D
22) there is in ___ processes are moved from heavily _loaded machine to lightly _loaded
machine
A) virtualisation
B) client server
C) code migration
D) none of the above
Answer: C
23) MOM stands for and RPC stands for
A) message oriented middleware
B) remote procedure call
C) all of the above
D) none of the above
Answer: C
24) Berkeley sockets interface as introduced in as ___
A) 1970s in Berkeley UNIX
B) 1960s in Berkeley UNIX
C) 1975s in Berkeley UNIX
D) 1985s in Berkeley UNIX
Answer: A
25) XTI stands for ___
A) X/open transport interface
B) x-ray transport interface
C) x-open telecommunication interface
D) none of the above
Answer: A
26) followings are the primitives of socket
A) send
B) receive
C) closed
D) all of the above
Answer: D
27) RMI stands for
A) remote migration interface
B) remote method interface
C) remote method invocation
D) none of the above
Answer: C
28) MPI stands for -------------
A) manage protocol interface
B) message passing interface
C) message processing interface
D) none of the above
Answer: B
29) Message oriented persistent communication support for___________
A) persistent asynchronous communication
B) persistent synchronous communication
C) all of the above
D) none of above
Answer: A
30) following is not the primitive of message queuing system
A) put
B) poll
C) send
D) notify
Answer: C
31) MPEG stand for___________
A) mapping opening expert group
B) motion picture expert group
C) mapping picture expert group
D) none of above
Answer: B
32) __________ is the communication model where data can receives to multiple receiver
A) broadcast communication
B) multiple cast communication
C) all of above
D) none of above
Answer: B
33) A name in a distributed system is a string of bits or character that is used to ---------
A) refer an entity
B) refer as object
C) refer as attribute
D) none of above
Answer: A
34) The name of an access point is called _________
A) entity
B) attribute
C) address
D) none of above
Answer: C
35) ARP stands for__________
A) address result protocol
B) address resource protocol
C) address resolution protocol
D) none of above
Answer: C
36) computer resources includes ______
A) file
B) data
C) processer
D) none of above
Answer: C
37) what are the aspects of distributed transparency
A) location
B) migration
C) replication
D) all of the above
Answer: D
38) Location transparency allows for which of the following?
A) user to treat the data as if it is at one location
B) programmers to treat the data as if it is at one location
C) managers to treat the data as if it is at one location
D) all of the above
Answer: D
39) all the resources are shared and integrated within OS , in the computing paradigm named
________
A) distributed computing
B) centralized computing
C) cloud computing
D) parallel computing
Answer: B
40) threads are also as_______
A) process
B) small part of process
C) all of above
D) none of above
Answer: B
41) a thread executes it’s own piece of code____________
A) independently
B) dependently
C) properly
D) none of above
Answer: A
42) what are the approaches of a thread?
A) first is that to construct a thread library that is executes entirely in user mode
B) second is to have the kernel beware of thread and schedules them
C) all of above
D) none of above
Answer: C
43) OSI stands for________
A) open security implementation
B) open system interconnection
C) only system interconnection
D) none of above
Answer: B
44) the role of sharing information from one network to another is called
A) communication
B) connection
C) protocol
D) none of above
Answer: C
45) name play an important role in all computer system cause _______
A) they used to share resource to uniquely identify an entity
B) they used to share network over the internet
C) they used to share information over the internet
D) none of above
Answer: A
46) what are the solutions provided to locate an entity____________
A) broadcasting
B) multicasting
C) both above
D) none of above
Answer: C
47) broadcasting & multicasting both are applicable for _____________
A) WAN
B) MAN
C) LAN
D) none of above
Answer: C
48) attribute based naming also known as)__________
A) directory service
B) direct servers
C) indirect service
D) none of above
Answer: A
49) most computers have a special battery-backed up -----------that the date & time need not to
be entered on subsequent boots
A) stored battery
B) CMOS RAM
C) MOS battery
D) none of above
Answer: B
50) since there are 24 hours in a day, each containing ____________ seconds
A) 3660 seconds
B) 3760 seconds
C) 3500 seconds
D) 3600 seconds
Answer: D
51) GPS launched
A) 1977
B) 1978
C) 1998
D) 1975
Answer: B
52) TAI stands for
A) international /atomic time
B) international accessible time
C) all of above
D) none of above
Answer: A
53) GPS is a based system on _________
A) satellite based system
B) network based system
C) all of above
D) none of above
Answer: A
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