980+ Computer Networks Solved MCQs

These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Computer Science Engineering (CSE) , Electrical Engineering , Bachelor of Science in Computer Science TY (BSc CS) , Bachelor of Science in Information Technology FY (BSc IT) , Bachelor of Science in Information Technology SY (BSc IT) .

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301.	Which of the following statements is not applicable for cable internet access?
A.	it is a shared broadcast medium
B.	it includes hfcs
C.	cable modem connects home pc to ethernet port
D.	analog signal is converted to digital signal in dslam
Answer» D. analog signal is converted to digital signal in dslam

302.	StarBand provides __________
A.	ftth internet access
B.	cable access
C.	telephone access
D.	satellite access
Answer» D. satellite access

303.	Home Access is provided by __________
A.	dsl
B.	fttp
C.	cable
D.	all of the mentioned
Answer» D. all of the mentioned

304.	ONT is connected to splitter using _________
A.	high speed fibre cable
B.	hfc
C.	optical cable
D.	twisted pair cable
Answer» C. optical cable

305.	Which of the following factors affect transmission rate in DSL?
A.	the gauge of the twisted-pair line
B.	degree of electrical interfernece
C.	shadow fading
D.	the gauge of the twisted-pair line and degree of electrical interference
Answer» D. the gauge of the twisted-pair line and degree of electrical interference

306.	The number of layers in ISO OSI reference model is __________
A.	5
B.	7
C.	6
D.	10
Answer» B. 7

307.	Which of the following statements can be associated with OSI model?
A.	a structured way to discuss and easier update system components
B.	one layer may duplicate lower layer functionality
C.	functionality at one layer no way requires information from another layer
D.	it is an application specific network model
Answer» C. functionality at one layer no way requires information from another layer

308.	OSI stands for __________
A.	open system interconnection
B.	operating system interface
C.	optical service implementation
D.	open service internet
Answer» A. open system interconnection

309.	The number of layers in ISO OSI reference model is __________
A.	4
B.	5
C.	6
D.	7
Answer» D. 7

310.	TCP/IP model does not have ______ layer but OSI model have this layer.
A.	session layer
B.	transport layer
C.	application layer
D.	network layer
Answer» A. session layer

311.	Which layer is used to link the network support layers and user support layers?
A.	session layer
B.	data link layer
C.	transport layer
D.	network layer
Answer» C. transport layer

313.	TCP/IP model was developed _____ the OSI model.
A.	prior to
B.	after
C.	simultaneous to
D.	with no link to
Answer» A. prior to

314.	Which address is used to identify a process on a host by the transport layer?
A.	physical address
B.	logical address
C.	port address
D.	specific address
Answer» C. port address

318.	A single channel is shared by multiple signals by ____________
A.	analog modulation
B.	digital modulation
C.	multiplexing
D.	phase modulation
Answer» C. multiplexing

319.	Which of the following tasks is not done by data link layer?
A.	framing
B.	error control
C.	flow control
D.	channel coding
Answer» D. channel coding

312.	Which address is used on the internet for employing the TCP/IP protocols?
A.	physical address and logical address
B.	port address
C.	specific address
D.	all of the mentioned
Answer» D. all of the mentioned

315.	Which layer provides the services to user?
A.	application layer
B.	session layer
C.	presentation layer
D.	physical layer
Answer» A. application layer

316.	Transmission data rate is decided by ____________
A.	network layer
B.	physical layer
C.	data link layer
D.	transport layer
Answer» B. physical layer

317.	Which transmission media provides the highest transmission speed in a network?
A.	coaxial cable
B.	twisted pair cable
C.	optical fiber
D.	electrical cable
Answer» C. optical fiber

320.	Header of a frame generally contains ______________
A.	synchronization bytes
B.	addresses
C.	frame identifier
D.	all of the mentioned
Answer» D. all of the mentioned

321.	Automatic repeat request error management mechanism is provided by ________
A.	logical link control sublayer
B.	media access control sublayer
C.	network interface control sublayer
D.	application access control sublayer
Answer» A. logical link control sublayer

322.	CRC stands for __________
A.	cyclic redundancy check
B.	code repeat check
C.	code redundancy check
D.	cyclic repeat check
Answer» A. cyclic redundancy check

323.	Which of the following is a data link protocol?
A.	ethernet
B.	point to point protocol
C.	hdlc
D.	all of the mentioned
Answer» D. all of the mentioned

324.	Which of the following is the multiple access protocol for channel access control?
A.	csma/cd
B.	csma/ca
C.	both csma/cd & csma/ca
D.	hdlc
Answer» C. both csma/cd & csma/ca

325.	A 4 byte IP address consists of __________
A.	only network address
B.	only host address
C.	network address & host address
D.	network address & mac address
Answer» C. network address & host address

980+ Computer Networks Solved MCQs

Which of the following statements is not applicable for cable internet access?

StarBand provides __________

Home Access is provided by __________

ONT is connected to splitter using _________

Which of the following factors affect transmission rate in DSL?

The number of layers in ISO OSI reference model is __________

Which of the following statements can be associated with OSI model?

OSI stands for __________

The number of layers in ISO OSI reference model is __________

TCP/IP model does not have ______ layer but OSI model have this layer.

Which layer is used to link the network support layers and user support layers?

Which address is used on the internet for employing the TCP/IP protocols?

TCP/IP model was developed _____ the OSI model.

Which address is used to identify a process on a host by the transport layer?

Which layer provides the services to user?

Transmission data rate is decided by ____________

Which transmission media provides the highest transmission speed in a network?

A single channel is shared by multiple signals by ____________

Which of the following tasks is not done by data link layer?

Header of a frame generally contains ______________

Automatic repeat request error management mechanism is provided by ________

CRC stands for __________

Which of the following is a data link protocol?

Which of the following is the multiple access protocol for channel access control?

A 4 byte IP address consists of __________

User datagram protocol is called connectionless because _____________

Socket-style API for windows is called ____________

_______ topology requires a multipoint connection.

WAN stands for __________

In TDM, slots are further divided into __________

The sharing of a medium and its link by two or more devices is called _________

Multiplexing is used in _______

Which multiplexing technique used to transmit digital signals?

The state when dedicated signals are idle are called __________

Multiplexing provides _________

In TDM, slots are further divided into _________

The total nodal delay is given by ____________

Transmission delay does not depend on _____________

Propagation delay depends on ___________

_____________ allows LAN users to share computer programs and data.

With respect to physical media, STP cables stands for _________

What is the max length of the Shielded twisted pair cable?

What is the max data transfer rate of STP cables?

Which connector does the STP cable use?

What is the central device in star topology?

What is the max data transfer rate for optical fiber cable?

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

The attacker using a network of compromised devices is known as _____________

Which of the following is a form of DoS attack?

Packet sniffers involve ____________

326.	User datagram protocol is called connectionless because _____________
A.	all udp packets are treated independently by transport layer
B.	it sends data as a stream of related packets
C.	it is received in the same order as sent order
D.	it sends data very quickly
Answer» A. all udp packets are treated independently by transport layer

327.	Socket-style API for windows is called ____________
A.	wsock
B.	winsock
C.	wins
D.	sockwi
Answer» B. winsock

328.	_______ topology requires a multipoint connection.
A.	star
B.	mesh
C.	ring
D.	bus
Answer» D. bus

329.	WAN stands for __________
A.	world area network
B.	wide area network
C.	web area network
D.	web access network
Answer» B. wide area network

330.	In TDM, slots are further divided into __________
A.	seconds
B.	frames
C.	packets
D.	bits
Answer» B. frames

331.	The sharing of a medium and its link by two or more devices is called _________
A.	fully duplexing
B.	multiplexing
C.	micropleixng
D.	duplexing
Answer» B. multiplexing

332.	Multiplexing is used in _______
A.	packet switching
B.	circuit switching
C.	data switching
D.	packet & circuit switching
Answer» B. circuit switching

333.	Which multiplexing technique used to transmit digital signals?
A.	fdm
B.	tdm
C.	wdm
D.	fdm & wdm
Answer» B. tdm

334.	The state when dedicated signals are idle are called __________
A.	death period
B.	poison period
C.	silent period
D.	stop period
Answer» C. silent period

335.	Multiplexing provides _________
A.	efficiency
B.	privacy
C.	anti jamming
D.	both efficiency & privacy
Answer» D. both efficiency & privacy