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Which of the following statements pertaining to packet …

Which of the following statements pertaining to packet switching is NOT true?

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A.
Most data sent today uses digital signals over network employing packet switching.

B.
Messages are divided into packets.

C.
All packets from a message travel through the same route.

D.
Each network node or point examines each packet for routing.

Explanation:
Packet switching does not set up a dedicated virtual link, and packets from one connection can pass through a
number of different individual devices, instead of all of them following one another through the same devices.
Incorrect Answers:
A: Most traffic over the Internet uses packet switching and the Internet is basically a connectionless network.
B: In a packet-switching network, the data are broken up into packets containing frame check sequence
numbers.
D: The packet switching packets go through different network nodes, and their paths can be dynamically altered
by a router or switch that determines a better route for a specific packet to take.

Harris, Shon, All In One CISSP Exam Guide, 6th Edition, McGraw-Hill, New York, 2013, p. 674


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