單項(xiàng)選擇題

Two routers named Atlanta and Brevard are connected via their serial interfaces as illustrated, but they are unable to communicate. The Atlanta router is known to have the correct configuration.Given the partial configurations, identify the fault on the Brevard router that is causing the lack of connectivity？（）

A.incompatible IP address
B.insufficient bandwidth
C.incorrect subnet mask
D.incompatible encapsulation
E.link reliability too low
F.IP/TCP closed


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1.單項(xiàng)選擇題What is the purpose of the inverse ARP?（）

A.to map a known DLCI to an IP address
B.to map a known IP address to a MAC address
C.to map known SPID to a MACaddress
D.to map a known DLCI to a MAC address
E.to map a known IP address to a SPID
F.to map a known MAC address to an IP address

2.單項(xiàng)選擇題Which command can be used to verify the DLCI destination address in a Frame Relay static configuration?（）

A.show frame-relay end-to-end
B.show frame-relay map
C.show frame-relay lmi
D.show frame-relay pvc

3.多項(xiàng)選擇題What are two characteristics of Frame Relay point-to-point subinterfaces?（）

A.They create split-horizon issues
B.They require a unique subnet within a routing domain
C.They emulate leased lines
D.They are ideal for full-mesh topologies
E.They require the use of NBMA options when using OSPF

4.單項(xiàng)選擇題Which PPP subprotocol negotiates authentication options?（）

A. NCP
B. LCP
C.ISDN
D.DLCI
E.SLIP

5.單項(xiàng)選擇題What is the result of issuing the frame-relay map ip 192.168.1.2 202 broadcast command?（）

A.defines the source IP address that is used in all broadcast packets on DLCI 202
B.defines the DLCI that is used for all packets that are sent to the 192.168.1.2 IP address
C.defines the destination IP address that is used in all broadcast packets on DLCI 202
D.defines the DLCI on which packets from the 192.168.1.2 IP address are received