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