多項(xiàng)選擇題Which of the following describes the roles of devices in a WAN?（）

A. A CSU/DSU terminates a digital local loop
B. A modem terminates a digital local loop
C. A CSU/DSU terminates an analog local loop
D. A modem terminates an analog local loop
E. A router is commonly considered a DTE device
F. A router is commonly considered a DCE device


您可能感興趣的試卷

你可能感興趣的試題

1.多項(xiàng)選擇題Which of the following are key characteristics of PPP?（）

A. can be used over analog circuits
B. maps Layer 2 to Layer 3 address
C. encapsulates several routed protocols
D. supports IP only
E. provides error correction

2.多項(xiàng)選擇題Which can be done to secure the virtual terminal interfaces on a router?（）

A. Administratively shut down the interfaces.
B. Physically secure the interfaces.
C. Configure a virtual terminal password and login process.
D. Enter an access list and apply it to the terminal interfaces using the access-class command.
E. Create an access list and apply it to the terminal interfaces using the access-group command.

3.多項(xiàng)選擇題Which two are features of IPv6?（）

A.multicast
B.broadcast
C.allcast
D.podcast
E.anycast

4.多項(xiàng)選擇題Which two states are the port states when RSTP has converged?（）

A.blocking
B.learning
C.disabled
D.forwarding
E.listening

5.多項(xiàng)選擇題Which two are advantages of static routing when compared to dynamic routing?（）

A. Security increases because only the network administrator may change the routing tables.
B. Configuration complexity decreases as network size increases.
C. Routing updates are automatically sent to neighbors.
D. Route summarization iscompued automatically by the router.
E. Routing traffic load is reduced when used in stub network links
F. An efficient algorithm is used to build routing tables,using automatic updates.
G. Routing tables adapt automatically to topology changes.