CERTIFIED-IN-CYBERSECURITY Question #512: Real Exam Question with Answer & Explanation

Question

Which of the following options best describes the concept of Ethernet?

Options

• AA standard that defines wired connections between networked devices
• BA standard that defines wireless connections between networked devices
• CA standard that defines connections between digital devices
• DA standard that defines connections between network equipment

Explanation

Ethernet is a standard that defines wired connections between networked devices. The protocol controls how data is transferred across a local area network (LAN) (see ISC2 Study Guide, Chapter 4, Module 1). For example, in a typical office setup, Ethernet cables connect computers, printers, and servers to communicate and share resources. The remaining options inaccurately represent the concept of Ethernet. Describing Ethernet as defining wireless connections is incorrect because Ethernet standards apply strictly to wired connections. Saying that Ethernet can connect different network devices misses the specificity that Ethernet primarily governs the rules for wired data transmission over local area networks, and that other protocols are often used to connect network devices. Finally, the statement that Ethernet defines connections between all digital devices, while not entirely inaccurate, is overly broad and fails to emphasize the precise function of Ethernet. Note that there are a variety of protocols for connecting digital devices, not just Ethernet

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