Olete.in – MCQs, Mock Tests & Government Job Prep | MCA Computer Network MCA Question MCQ Set 2

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

1. physical address
2. logical address
3. port address
4. specific address

✅ Correct Answer: 3

Which layer provides the services to user?

1. application layer
2. session layer
3. presentation layer
4. physical layer

✅ Correct Answer: 1

Transmission data rate is decided by _______

1. network layer
2. physical layer
3. data link layer
4. transport layer

✅ Correct Answer: 2

The physical layer is concerned with ________

1. bit-by-bit delivery
2. process to process delivery
3. application to application delivery
4. port to port delivery

✅ Correct Answer: 1

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

1. coaxial cable
2. twisted pair cable
3. optical fiber
4. electrical cable

✅ Correct Answer: 3

Bits can be sent over guided and unguided media as analog signal by _____

1. digital modulation
2. amplitude modulation
3. frequency modulation
4. phase modulation

✅ Correct Answer: 1

The portion of physical layer that interfaces with the media access control sublayer is called ________

1. physical signalling sublayer
2. physical data sublayer
3. physical address sublayer
4. physical transport sublayer

✅ Correct Answer: 1

The physical layer provides __________

1. mechanical specifications of electrical connectors and cables
2. electrical specification of transmission line signal level
3. specification for IR over optical fiber
4. all of the mentioned

✅ Correct Answer: 4

In asynchronous serial communication the physical layer provides ______

1. start and stop signalling
2. flow control
3. both start & stop signalling and flow control
4. only start signalling

✅ Correct Answer: 3

The physical layer is responsible for _______

1. line coding
2. channel coding
3. modulation
4. all of the mentioned

✅ Correct Answer: 4

The physical layer translates logical communication requests from the ______ into hardware specific operations.

1. data link layer
2. network layer
3. trasnport layer
4. application layer

✅ Correct Answer: 1

A single channel is shared by multiple signals by ______

1. analog modulation
2. digital modulation
3. multiplexing
4. phase modulation

✅ Correct Answer: 3

Wireless transmission of signals can be done via _____

1. radio waves
2. microwaves
3. infrared
4. all of the mentioned

✅ Correct Answer: 4

The data link layer takes the packets from _________ and encapsulates them into frames for transmission.

1. network layer
2. physical layer
3. transport layer
4. application layer

✅ Correct Answer: 1

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

1. framing
2. error control
3. flow control
4. channel coding

✅ Correct Answer: 4

Which sublayer of the data link layer performs data link functions that depend upon the type of medium?

1. logical link control sublayer
2. media access control sublayer
3. network interface control sublayer
4. error control sublayer

✅ Correct Answer: 2

Header of a frame generally contains ______

1. synchronization bytes
2. addresses
3. frame identifier
4. all of the mentioned

✅ Correct Answer: 4

Automatic repeat request error management mechanism is provided by ________

1. logical link control sublayer
2. media access control sublayer
3. network interface control sublayer
4. application access control sublayer

✅ Correct Answer: 1

When 2 or more bits in a data unit has been changed during the transmission, the error is called _______

1. random error
2. burst error
3. inverted error
4. double error

✅ Correct Answer: 2

CRC stands for _______

1. cyclic redundancy check
2. code repeat check
3. code redundancy check
4. cyclic repeat check

✅ Correct Answer: 1

Which of the following is a data link protocol?

1. ethernet
2. point to point protocol
3. hdlc
4. all of the mentioned

✅ Correct Answer: 4

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

1. CSMA/CD
2. CSMA/CA
3. Both CSMA/CD & CSMA/CA
4. HDLC

✅ Correct Answer: 3

The technique of temporarily delaying outgoing acknowledgements so that they can be hooked onto the next outgoing data frame is called ______

1. piggybacking
2. cyclic redundancy check
3. fletcher’s checksum
4. parity check

✅ Correct Answer: 1

The network layer is concerned with __________ of data.

1. bits
2. frames
3. packets
4. bytes

✅ Correct Answer: 3

Which one of the following is not a function of network layer?

1. routing
2. inter-networking
3. congestion control
4. error control

✅ Correct Answer: 4

A 4 byte IP address consists of _____

1. only network address
2. only host address
3. network address & host address
4. network address & MAC address

✅ Correct Answer: 3

In virtual circuit network each packet contains _________

1. full source and destination address
2. a short VC number
3. only source address
4. only destination address

✅ Correct Answer: 2

Which of the following routing algorithms can be used for network layer design?

1. shortest path algorithm
2. distance vector routing
3. link state routing
4. all of the mentioned

✅ Correct Answer: 4

Which of the following is not correct in relation to multi-destination routing?

1. is same as broadcast routing
2. contains the list of all destinations
3. data is not sent by packets
4. there are multiple receivers

✅ Correct Answer: 3

A subset of a network that includes all the routers but contains no loops is called ________

1. spanning tree
2. spider structure
3. spider tree
4. special tree

✅ Correct Answer: 1

Which one of the following algorithm is not used for congestion control?

1. traffic aware routing
2. admission control
3. load shedding
4. routing information protocol

✅ Correct Answer: 4

The network layer protocol for internet is ______

1. ethernet
2. internet protocol
3. hypertext transfer protocol
4. file transfer protocol

✅ Correct Answer: 2

ICMP is primarily used for _______

1. error and diagnostic functions
2. addressing
3. forwarding
4. routing

✅ Correct Answer: 1

Transport layer aggregates data from different applications into a single stream before passing it to _____

1. network layer
2. data link layer
3. application layer
4. physical layer

✅ Correct Answer: 2

Which of the following are transport layer protocols used in networking?

1. TCP and FTP
2. UDP and HTTP
3. TCP and UDP
4. HTTP and FTP

✅ Correct Answer: 3

User datagram protocol is called connectionless because ________

1. all UDP packets are treated independently by transport layer
2. it sends data as a stream of related packets
3. it is received in the same order as sent order
4. it sends data very quickly

✅ Correct Answer: 1

Transmission control protocol _______

1. is a connection-oriented protocol
2. uses a three way handshake to establish a connection
3. receives data from application as a single stream
4. all of the mentioned

✅ Correct Answer: 4

An endpoint of an inter-process communication flow across a computer network is called _____

1. socket
2. pipe
3. port
4. machine

✅ Correct Answer: 1

Socket-style API for windows is called ________

1. wsock
2. winsock
3. wins
4. sockwi

✅ Correct Answer: 2

Which one of the following is a version of UDP with congestion control?

1. datagram congestion control protocol
2. stream control transmission protocol
3. structured stream transport
4. user congestion control protocol

✅ Correct Answer: 1

A _____ is a TCP name for a transport service access point.

1. port
2. pipe
3. node
4. protocol

✅ Correct Answer: 1

Transport layer protocols deals with ________

1. application to application communication
2. process to process communication
3. node to node communication
4. man to man communication

✅ Correct Answer: 2

Which of the following is a transport layer protocol?

1. stream control transmission protocol
2. internet control message protocol
3. neighbor discovery protocol
4. dynamic host configuration protocol

✅ Correct Answer: 1

Physical or logical arrangement of network is _______

1. Topology
2. Routing
3. Networking
4. Control

✅ Correct Answer: 1

Which network topology requires a central controller or hub?

1. Star
2. Mesh
3. Ring
4. Bus

✅ Correct Answer: 1

______ topology requires a multipoint connection.

1. Star
2. Mesh
3. Ring
4. Bus

✅ Correct Answer: 4

Data communication system spanning states, countries, or the whole world is ______

1. LAN
2. WAN
3. MAN
4. PAN

✅ Correct Answer: 2

Data communication system within a building or campus is________

1. LAN
2. WAN
3. MAN
4. PAN

✅ Correct Answer: 1

In TDM, slots are further divided into _______

1. Seconds
2. Frames
3. Packets
4. Bits

✅ Correct Answer: 2

_____ is the multiplexing technique that shifts each signal to a different carrier frequency.

1. FDM
2. TDM
3. Both FDM & TDM
4. PDM

✅ Correct Answer: 1