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Computer Network MCA Question MCQ Set 2
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1. Which address is used to identify a process on a host by the transport layer?
physical address
logical address
port address
specific address
2. Which layer provides the services to user?
application layer
session layer
presentation layer
physical layer
3. Transmission data rate is decided by _______
network layer
physical layer
data link layer
transport layer
4. The physical layer is concerned with ________
bit-by-bit delivery
process to process delivery
application to application delivery
port to port delivery
5. Which transmission media provides the highest transmission speed in a network?
coaxial cable
twisted pair cable
optical fiber
electrical cable
6. Bits can be sent over guided and unguided media as analog signal by _____
digital modulation
amplitude modulation
frequency modulation
phase modulation
7. The portion of physical layer that interfaces with the media access control sublayer is called ________
physical signalling sublayer
physical data sublayer
physical address sublayer
physical transport sublayer
8. The physical layer provides __________
mechanical specifications of electrical connectors and cables
electrical specification of transmission line signal level
specification for IR over optical fiber
all of the mentioned
9. In asynchronous serial communication the physical layer provides ______
start and stop signalling
flow control
both start & stop signalling and flow control
only start signalling
10. The physical layer is responsible for _______
line coding
channel coding
modulation
all of the mentioned
11. The physical layer translates logical communication requests from the ______ into hardware specific operations.
data link layer
network layer
trasnport layer
application layer
12. A single channel is shared by multiple signals by ______
analog modulation
digital modulation
multiplexing
phase modulation
13. Wireless transmission of signals can be done via _____
radio waves
microwaves
infrared
all of the mentioned
14. The data link layer takes the packets from _________ and encapsulates them into frames for transmission.
network layer
physical layer
transport layer
application layer
15. Which of the following tasks is not done by data link layer?
framing
error control
flow control
channel coding
16. Which sublayer of the data link layer performs data link functions that depend upon the type of medium?
logical link control sublayer
media access control sublayer
network interface control sublayer
error control sublayer
17. Header of a frame generally contains ______
synchronization bytes
addresses
frame identifier
all of the mentioned
18. Automatic repeat request error management mechanism is provided by ________
logical link control sublayer
media access control sublayer
network interface control sublayer
application access control sublayer
19. When 2 or more bits in a data unit has been changed during the transmission, the error is called _______
random error
burst error
inverted error
double error
20. CRC stands for _______
cyclic redundancy check
code repeat check
code redundancy check
cyclic repeat check
21. Which of the following is a data link protocol?
ethernet
point to point protocol
hdlc
all of the mentioned
22. Which of the following is the multiple access protocol for channel access control?
CSMA/CD
CSMA/CA
Both CSMA/CD & CSMA/CA
HDLC
23. The technique of temporarily delaying outgoing acknowledgements so that they can be hooked onto the next outgoing data frame is called ______
piggybacking
cyclic redundancy check
fletcher’s checksum
parity check
24. The network layer is concerned with __________ of data.
bits
frames
packets
bytes
25. Which one of the following is not a function of network layer?
routing
inter-networking
congestion control
error control
26. A 4 byte IP address consists of _____
only network address
only host address
network address & host address
network address & MAC address
27. In virtual circuit network each packet contains _________
full source and destination address
a short VC number
only source address
only destination address
28. Which of the following routing algorithms can be used for network layer design?
shortest path algorithm
distance vector routing
link state routing
all of the mentioned
29. Which of the following is not correct in relation to multi-destination routing?
is same as broadcast routing
contains the list of all destinations
data is not sent by packets
there are multiple receivers
30. A subset of a network that includes all the routers but contains no loops is called ________
spanning tree
spider structure
spider tree
special tree
31. Which one of the following algorithm is not used for congestion control?
traffic aware routing
admission control
load shedding
routing information protocol
32. The network layer protocol for internet is ______
ethernet
internet protocol
hypertext transfer protocol
file transfer protocol
33. ICMP is primarily used for _______
error and diagnostic functions
addressing
forwarding
routing
34. Transport layer aggregates data from different applications into a single stream before passing it to _____
network layer
data link layer
application layer
physical layer
35. Which of the following are transport layer protocols used in networking?
TCP and FTP
UDP and HTTP
TCP and UDP
HTTP and FTP
36. User datagram protocol is called connectionless because ________
all UDP packets are treated independently by transport layer
it sends data as a stream of related packets
it is received in the same order as sent order
it sends data very quickly
37. Transmission control protocol _______
is a connection-oriented protocol
uses a three way handshake to establish a connection
receives data from application as a single stream
all of the mentioned
38. An endpoint of an inter-process communication flow across a computer network is called _____
socket
pipe
port
machine
39. Socket-style API for windows is called ________
wsock
winsock
wins
sockwi
40. Which one of the following is a version of UDP with congestion control?
datagram congestion control protocol
stream control transmission protocol
structured stream transport
user congestion control protocol
41. A _____ is a TCP name for a transport service access point.
port
pipe
node
protocol
42. Transport layer protocols deals with ________
application to application communication
process to process communication
node to node communication
man to man communication
43. Which of the following is a transport layer protocol?
stream control transmission protocol
internet control message protocol
neighbor discovery protocol
dynamic host configuration protocol
44. Physical or logical arrangement of network is _______
Topology
Routing
Networking
Control
45. Which network topology requires a central controller or hub?
Star
Mesh
Ring
Bus
46. ______ topology requires a multipoint connection.
Star
Mesh
Ring
Bus
47. Data communication system spanning states, countries, or the whole world is ______
LAN
WAN
MAN
PAN
48. Data communication system within a building or campus is________
LAN
WAN
MAN
PAN
49. In TDM, slots are further divided into _______
Seconds
Frames
Packets
Bits
50. _____ is the multiplexing technique that shifts each signal to a different carrier frequency.
FDM
TDM
Both FDM & TDM
PDM
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