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NWC203c - Final Exam Questions And Correct Answers, Complete Verified Solution 2023 306 Q&A
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NWC203c - Final Exam Questions And Correct Answers, Complete Verified Solution 2023 306 Q&A
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NWC203c - Final Exam Questions And CorrectAnswers, Complete Verified Solution 2023 306
Q&A
Which of following protocol is HTTP built upon?
a.SMTP
b.UDP
c.TCP
d.IP
c
Which of following requirements are necessary for packet networks to support
multiple and diverse applications?
a.Transfer arbitrary message size
b.Low delay for interactive applications
c.Packets have maximum length
d.All of the above
d
What was the concern of the telephone system that motivated the ARPANET
design?
a.Scalability
b.Vulnerability
c.Efficiency
d.None of the above
b
Which of the following is an application layer protocol?
a.DNS
b.HTTP
c.TCP
d.UDP
b
Which of the following are features of ARPANET design?
a.Connectionless packet transmission
b.Routing tables at the packet switches
c.Destinations identified by unique addresses
d.All of the above
d
Bluetooth is an example of
,a.Personal Area Network
b.Metropolitan Area Network
c.Local Area Network
d.Wide Area Network
a
In the layer hierarchy as the data packet moves from the upper to the lower
layers, headers are
a.Modified
b.Added
c.Rearranged
d.Removed
b
The ________ is the physical path over which a message travels
a.Route
b.Protocol
c.Path
d.Medium
d
Three or more devices share a link in ________ connection
a.Unipoint
b.Multipoint
c.Point to Point
d.None of the above
b
Which of the following is true for Transport Control Protocol
a.Connection oriented
b.Process to Process
c.Transport layer protocol
d.Connectionless
a
Which of the following networks use store-and-forward switching operation?
a.Wireless Networks
b.Computer networks
c.Telegraph networks
d.Telephone networks
bc
There are similarities between message switching and packet switching. Which of
following that applies to packet switching but not to message switching?
,a.Variable length of information block
b.Supporting multiple applications
c.Store-and-forward
d.All of the above
b
Which of the following networks can be connection-oriented?
a.Telegraph networks
b.Computer networks
c.Telephone networks
d.All of the above
bc
4.
Question 4
A protocol is a set of precise and unambiguous rules that governs
a.How two or more communicating entities in a layer are to interact
b.Messages that can be sent and received
c.Actions that are to be taken when a certain event occurs
d.All of the above
d
DNS is a domain-name-service that responds to queries of domain name to IP
address or IP address to domain name. DNS uses services provided by
a.TCP
b.UDP
c.HTTP
d.None of the above
b
A network used to join the individual networks at different sites into one extended
network is called
a.LAN
b.VPN
c.SAN
d.PAN
b
Upon receipt of a bad segment, UDP?
a.It does not do flow and error control
b.Retransmission
c.It does error control
d.It does flow control
a
, Which OSI layer is responsible for providing end-to-end communication with
reliable service?
a.Session layer
b.Network layer
c.Transport layer
d.Data link layer
c
Which OSI layer is responsible for dividing the transmitted bit stream into
frames?
a.Network layer
b.Data link layer
c.Transport layer
d.Application layer
b
Which OSI layer is responsible for determining which route through the network
to use?
a.Network layer
b.Data link layer
c.Transport layer
d.None of the above
a
Which feature does the data link layer and transport layer have in common?
a.Medium access control
b.All of the above
c.Flow control
d.Congestion control
c
Which protocol glues the network of networks together as the Internet?
a.TCP
b.UDP
c.IP
d.None of the above
c
In a LAN, which address is used to transfer frames to appropriate destination?
a.IP address
b.Physical address
c.Domain name
d.None of the above
b
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