問(wèn)答題What is BGP synchronization？

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3.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

4.單項(xiàng)選擇題

Refer to the exhibit.The network administrator is in acampus building distant from Building B.WANRouter is hosting a newly installed WAN link on interface S0/0.The new link is not functioning and the administrator needs to determine if the correct cable has been attached to the S0/0 interface.How can the administrator accurately verify the correct cable type on S0/0 in the most efficient manner?（）

A.Telnet to WANRouter and execute the command show interfaces S0/0
B.Telnet to WANRouter and execute the commandshow processes S0/0
C.Telnet to WANRouter and execute the command show running-configuration
D.Telnet to WANRouter and execute the command show controller S0/0
E.Physically examine the cable between WANRouter S0/0 and the DCE.
F.Establish a console sessionon WANRouter and execute the command show interfaces S0/0

5.問(wèn)答題Local Preference？
8.單項(xiàng)選擇題

Refer to the exhibit.Which statement describes DLCI 17?（）

A.DLCI 17 describes the ISDN circuit between R2 and R3.
B.DLCI 17 describes a PVC on R2.It cannot be used on R3 or R1.
C.DLCI 17 is the Layer 2 address used by R2 to describe a PVC to R3.
D.DLCI 17 describes the dial-up circuit from R2 and R3 to the service provider.

10.單項(xiàng)選擇題How should arouter that is being used in a Frame Relay network be configured to avoid split horizon issues from preventing routing updates?（）

A.Configure a separate sub-interface for each PVC with a unique DLCI and subnet assigned to the sub-interface
B.Configure each Frame Relay circuit as apoint-to-point line to support multicast and broadcast traffic
C.Configure many sub-interfaces on the same subnet
D.Configure a single sub-interface to establish multiple PVC connections to multiple remote router interfaces