Correct Answer: C
Explanation/Reference:
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.
References:
Harris, Shon, All In One CISSP Exam Guide, 6th Edition, McGraw-Hill, New York, 2013, p. 674