多項(xiàng)選擇題

Which of the following correctly describe characteristics of PPP?（）

A. Encapsulates several different types of routing protocols.
B. Supports only IP.
C. Can be used over analog circuits.
D. Is proprietary to Cisco
E. Supports error correction.

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多項(xiàng)選擇題

What are some common layer 2 encapsulations for a WAN link?（）

A. Ethernet
B. PPP
C. Token Ring
D. HDLC
E. Frame Relay
F. POTS

單項(xiàng)選擇題

Which WAN service utilizes two different encapsulation types (one for data and one for signaling) on its data link layer?（）

A. ISDN
B. Frame Relay
C. ATM
D. FDDI

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Which of the following correctly describe characteristics of PPP?（）

你可能感興趣的試題

What are some common layer 2 encapsulations for a WAN link?（）

Which WAN service utilizes two different encapsulation types (one for data and one for signaling) on its data link layer?（）

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