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Advanced Networking Administrator Test Prep

Category - CCNA

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Which of the following is WAN equipment that you would find in a network that uses leased lines to connect offices?

CSU/DSU
WAP
Hybrid hubs
Brouters

Explanation

Answer: A - (Channel Service Unit/Data Service Unit) CSU/DSU is used to connect a network to a leased line.

Key Takeaway: CSU/DSU is a digital-interface device used to connect a Data Terminal Equipment device (DTE), such as a router, to a digital circuit. It operates at the physical layer of the OSI model. It provides termination for a digital signal and ensures connection integrity through error correction and line monitoring.

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