Explore topic-wise MCQs in Computer Science.

This section includes 474 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Science knowledge and support exam preparation. Choose a topic below to get started.

301.

TELNET used protocol for data connection

A. TCP
B. UDP
C. IP
D. DHCP
Answer» B. UDP
302.

Frame Relay is cheaper than other _____

A. lans
B. wans
C. mans
D. multipoint networks
Answer» C. mans
303.

OSI stands for __________

A. open system interconnection
B. operating system interface
C. optical service implementation
D. open service internet
Answer» B. operating system interface
304.

MAC addressing works in data link layer while IP addressing works in the network layer.

A. True
B. False
C. none
D. other
Answer» B. False
305.

Typically the TCP port used by SMTP is _________

A. 25
B. 35
C. 50
D. 15
Answer» B. 35
306.

What does REST stand for?

A. represent state transfer
B. representational state transfer
C. representing state transfer
D. representation state transfer
Answer» C. representing state transfer
307.

Piconets in the blue tooth a minimum of two and amaximum of Bluetooth peerdevices.

A. five
B. eight
C. nine
D. four
Answer» C. nine
308.

In Unicast Routing, Dijkstra algorithm creates a shortest path tree from a ________

A. graph
B. tree
C. network
D. link
Answer» B. tree
309.

In OSI model, which of the following layer provides error-free delivery ofdata?

A. Data link
B. Network
C. transport
D. Session
Answer» D. Session
310.

A remote procedure call is _______

A. inter-process communication
B. a single process
C. a single thread
D. a single stream
Answer» B. a single process
311.

“Total length” field in UDP packet header is the length of _________

A. only udp header
B. only data
C. only checksum
D. udp header plus data
Answer» E.
312.

What is the network ID for a computer whose IP address is 190.148.64.23?

A. 190
B. 190.148
C. 190.148.64
D. None of the above
Answer» C. 190.148.64
313.

Frame Relay deploys physical layer carriers such as _______

A. adms
B. upsr
C. blsr
D. sonet
Answer» E.
314.

The physical layer is concerned with the movement of over the physical medium.

A. programs
B. dialogs
C. protocols
D. Bits
Answer» E.
315.

In the slow start phase of the TCP congestion control algorithm, the size ofthe congestion window

A. does not increase
B. increases linearly
C. increases quadratically
D. increases exponentially
Answer» E.
316.

Which of the following terms is not associated with DSL?

A. dslam
B. co
C. splitter
D. cmts
Answer» E.
317.

Which of the following is not a transition strategy?

A. dual stack
B. tunneling
C. conversion
D. header translation
Answer» D. header translation
318.

Frame relay has error detection at the ______

A. physical layer
B. data link layer
C. network layer
D. transport layer
Answer» C. network layer
319.

Packet sniffers involve ____________

A. active receiver
B. passive receiver
C. legal receiver
D. partially-active receiver
Answer» C. legal receiver
320.

In wireless distribution system __________

A. multiple access point are inter-connected with each other
B. there is no access point
C. only one access point exists
D. access points are not required
Answer» B. there is no access point
321.

Internet mail places each object in _________

A. separate messages for each object
B. one message
C. varies with number of objects
D. multiple messages for each object
Answer» C. varies with number of objects
322.

Network layer firewall works as a __________

A. frame filter
B. packet filter
C. content filter
D. virus filter
Answer» C. content filter
323.

When was IPv6 launched?

A. june 2, 2012
B. june 4, 2012
C. june 5, 2012
D. june 6, 2012
Answer» E.
324.

Bluetooth is an example of __________

A. personal area network
B. local area network
C. virtual private network
D. wide area network
Answer» B. local area network
325.

What will be the efficiency of a Stop and Wait protocol, if the transmission time for a frame is 20ns and the propagation time is 30ns?

A. 20%
B. 25%
C. 40%
D. 66%
Answer» C. 40%
326.

Communication channel is shared by all the machines on the network in ________

A. broadcast network
B. unicast network
C. multicast network
D. anycast network
Answer» B. unicast network
327.

RPC works between two processes. These processes must be ____________

A. on the same computer
B. on different computers connected with a network
C. on the same computer and also on different computers connected with a network
D. on none of the computers
Answer» D. on none of the computers
328.

In 10base2, 10base5, what do 2 and 5 stand for?

A. Speed in Mbps
B. Number of segments
C. Length of segment
D. Size of segment
Answer» C. Length of segment
329.

SMI-S Standard uses which of the following?

A. java rmi
B. cim-xml/http
C. corba
D. .net
Answer» C. corba
330.

Communication between a computer and a keyboard involves transmission.

A. Automatic
B. Half-duplex
C. Full-duplex
D. Simplex
Answer» E.
331.

What is the size of an IP address?

A. 64 bit
B. 128 bit
C. 16 bit
D. 32 bit
Answer» E.
332.

A small network making up the Internet and also having a small numbers ofcomputers within it is called

A. Host
B. Address
C. Subdomain
D. None of the above
Answer» D. None of the above
333.

A packet whose destination is outside the local TCP/IP network segment is sentto the _.

A. File server
B. Default gateway
C. DNS server
D. DHCP server
Answer» C. DNS server
334.

Which application below uses the UDP protocol?

A. DNS
B. TFTP
C. RIP
D. All of the above
Answer» D. All of the above
335.

Which of the following architecture uses the CSMA/CD access method?

A. arc net
B. ethernet
C. router
D. stp server
Answer» C. router
336.

Expansion of FTP is __________

A. fine transfer protocol
B. file transfer protocol
C. first transfer protocol
D. fast transfer protocol
Answer» C. first transfer protocol
337.

The underlying Transport layer protocol used by SMTP is ________

A. tcp
B. udp
C. either tcp or udp
D. imap
Answer» B. udp
338.

Dynamic addressing doesn’t allow many devices To share limited address space on a network

A. True
B. False
Answer» C.
339.

Network layer firewall works as a ________

A. frame filter
B. packet filter
C. signal filter
D. content filter
Answer» C. signal filter
340.

In transport layer, Multiplexing is done at _________

A. channel
B. receiver site
C. sender site
D. packet
Answer» D. packet
341.

10Base5, 10Base2, 10BaseT are types of?

A. Internet
B. LAN
C. Ethernet
D. Cables
Answer» D. Cables
342.

Choose the statement which is wrong incase of SMTP?

A. it requires message to be in 7bit ascii format
B. it is a pull protocol
C. it transfers files from one mail server to another mail server
D. smtp is responsible for the transmission of the mail through the internet
Answer» C. it transfers files from one mail server to another mail server
343.

Which of the following services is not provided by wireless access point in802.11 WLAN?

A. Association
B. Disassociation
C. Error correction
D. Integration
Answer» D. Integration
344.

The PSTN is an example of a............................. network.

A. packet switched
B. circuit switched
C. message switched
D. None of these
Answer» C. message switched
345.

An endpoint of an inter-process communication flow across a computernetwork is called:

A. socket
B. pipe
C. port
D. none of the mentioned
Answer» B. pipe
346.

All telnet operations are sent as ________

A. 4 bits
B. 8 bits
C. 16 bits
D. 32 bits
Answer» C. 16 bits
347.

is added to data packet for error detection.

A. checksum bit
B. error bit
C. parity bit
D. other
Answer» D. other
348.

Common gateway interface is used to _______

A. generate executable files from web content by web server
B. generate web pages
C. stream videos
D. download media files
Answer» B. generate web pages
349.

Default administrative distance of a static route is ________

A. 0
B. 90
C. 100
D. 1
Answer» E.
350.

Datagram switching is done at which layer of OSI model?

A. network layer
B. physical layer
C. application layer
D. transport layer
Answer» B. physical layer