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Free download in PDF Data Communication Multiple Choice Questions with Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams. These short solved questions or quizzes are provided by Gkseries.
61
The ______ layer adds a header to the packet coming from the upper layer that includes the logical addresses of the sender and receiver.
[A]
data link
[B]
network
[C]
physical
[D]
None of the above
62
Which of the following is an application layer service?
[A]
File transfer and access
[B]
Mail service
[C]
Remote log-in
[D]
All the above
63
When data are transmitted from device A to device B, the header from A’s layer 4 is read by B’s _______ layer.
[A]
Transport
[B]
Application
[C]
Physical
[D]
None of the above
64
__________ provides full transport layer services to applications.
[A]
UDP
[B]
TCP
[C]
ARP
[D]
none of the above
65
The process-to-process delivery of the entire message is the responsibility of the _______ layer.
[A]
Transport
[B]
Application
[C]
Physical
[D]
Network
66
The ______ layer is responsible for moving frames from one hop (node) to the next.
[A]
transport
[B]
data link
[C]
physical
[D]
none of the above
67
The _______ layer is responsible for delivering data units from one station to the next without errors.
[A]
physical
[B]
data link
[C]
transport
[D]
network
68
The session, presentation, and application layers are the ____ support layers.
[A]
user
[B]
network
[C]
both (a) and (b)
[D]
neither (a) nor (b)
69
The physical, data link, and network layers are the ______ support layers.
[A]
network
[B]
user
[C]
both (a) and (b)
[D]
neither (a) nor (b)
70
The ________ layer is responsible for the process-to-process delivery of the entire message.
[A]
transport
[B]
physical
[C]
network
[D]
data link
71
The _______ layer lies between the network layer and the application layer.
[A]
Data link
[B]
Transport
[C]
Physical
[D]
None of the above
72
The Internetworking Protocol (IP) is a ________ protocol.
[A]
connection-oriented
[B]
reliable
[C]
both a and b
[D]
none of the above
Answer: none of the above
73
The _______ layer links the network support layers and the user support layers.
[A]
session
[B]
transport
[C]
data link
[D]
network
74
ICMPv6 includes _______.
[A]
IGMP
[B]
ARP
[C]
RARP
[D]
a and b
75
The ____ address uniquely defines a host on the Internet.
[A]
IP
[B]
port
[C]
specific
[D]
physical
76
The _______ layer coordinates the functions required to transmit a bit stream over a physical medium.
[A]
data link
[B]
transport
[C]
network
[D]
physical
77
The ______ layer is responsible for the source-to-destination delivery of a packet across multiple network links.
[A]
network
[B]
physical
[C]
data link
[D]
transport
78
Mail services are available to network users through the _______ layer.
[A]
Transport
[B]
Physical
[C]
Data link
[D]
Application
79
The ____ created a model called the Open Systems Interconnection, which allows diverse systems to communicate.
[A]
IEEE
[B]
ISO
[C]
OSI
[D]
none of the above
80
The _______ layer changes bits into electromagnetic signals.
[A]
Physical
[B]
Transport
[C]
Data link
[D]
None of the above
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