N10-005 Question #383: Real Exam Question with Answer & Explanation

The correct answer is C: Ethernet. Ethernet (IEEE 802.3) is the dominant LAN protocol used in Small Office/Home Office (SOHO) environments for wired connectivity, typically at speeds of 100Mbps or 1Gbps. ATM (A) - Asynchronous Transfer Mode - is a high-speed WAN/carrier technology not used in SOHO LANs. DSL (B) is

Question

Which of the following is a common LAN protocol used for a SOHO?

Options

AATM
BDSL
CEthernet
DHDLC

Explanation

Ethernet (IEEE 802.3) is the dominant LAN protocol used in Small Office/Home Office (SOHO) environments for wired connectivity, typically at speeds of 100Mbps or 1Gbps. ATM (A) - Asynchronous Transfer Mode - is a high-speed WAN/carrier technology not used in SOHO LANs. DSL (B) is a WAN/broadband access technology used to connect to an ISP, not a LAN protocol. HDLC (D) - High-Level Data Link Control - is a WAN serial link protocol used between routers, not in LAN environments.

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