Data Communication Quiz | Data Communication Multiple Choice Questions with Answers

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Questions
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

Answer: network
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

Answer: All the above
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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

Answer: Transport
64 __________ provides full transport layer services to applications.
A UDP
B TCP
C ARP
D none of the above

Answer: TCP
65 The process-to-process delivery of the entire message is the responsibility of the _______ layer.
A Transport
B Application
C Physical
D Network

Answer: Transport
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

Answer: data link
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

Answer: data link
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)

Answer: user
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)

Answer: network
70 The ________ layer is responsible for the process-to-process delivery of the entire message.
A transport
B physical
C network
D data link

Answer: transport
71 The _______ layer lies between the network layer and the application layer.
A Data link
B Transport
C Physical
D None of the above

Answer: Transport
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

Answer: transport
74 ICMPv6 includes _______.
A IGMP
B ARP
C RARP
D a and b

Answer: a and b
75 The ____ address uniquely defines a host on the Internet.
A IP
B port
C specific
D physical

Answer: IP
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

Answer: 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

Answer: network
78 Mail services are available to network users through the _______ layer.
A Transport
B Physical
C Data link
D Application

Answer: 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

Answer: ISO
80 The _______ layer changes bits into electromagnetic signals.
A Physical
B Transport
C Data link
D None of the above

Answer: Physical

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