（b) Router has a number of film studios and office buildings. The office buildings are in

been issued. When the router is power cycled, the router prompts with:"Would you like to enter the initial configuration dialog？ [yes/no]"Why has this occurred？（）

A. There is an error in the router DRAM.

B. Te IOS image is corrupt.

C. The configuration register is set to 0x2142.

D. The TFTP server that contains the router configuration file is unreachable.

E. A boot system configuration command has placed the router into setup mode.

ip route. Which of the following answers is most likely to be true, based on thi s output？（）B 128.107.0.0 [20/10] via 11.11.11.11, 00:02:18

A. This router has set the Weight of this route to 10.

B. This router‘s BGP table lists this route as an iBGP route.

C. This router‘s MED has been set to 10.

D. This router‘s BGP table lists an AS_Path length of 10 for this route.

A. Router R2 will be preferred because it has the higher neighbor IP address.

B. Router R2 will be preferr ed because its neighbor has a lower autonomous system number.

C. Router R1 will be preferred because it has a lower local preference.

D. Router R2 will be preferred because it has a higher local preference.

E. Router R1 will be preferred because its nei ghbor has the higher autonomous system number.

F. Router R1 will be preferred because it has the lower neighbor IP address.

A. Router A will prefer the path through router B for network 172.20.0.0

B. Router A will prefer the path through router C for network 172.20.0.0

C. Packets from router D will prefer the path through router B for networks advertised by router A

D. Packets from r outer D will prefer the path through router C for networks advertised by router A

A. the number of consecutive TCP connections to the specified remote neig hbor

B. the number of total TCP connections that the router has

C. the number of times the router has established a TCP connection

D. the number of neighbors that the router has

A.Which type of server is the target in such an attack？()

B.An e-mail server

C.A DNS server

D.A router

E.A FTP server

A.A

B.B

C.C

D.D

A. Dev - 1 is the DR because it has a lower OSPF router ID

B. Dev - 3 is the DR because it has a higher OSPF router priority

C. Both Dev - 1 and Dev - 3 are using the def ault OSPF router priority

D. Dev - 3 is the DR because it has a lower OSPF router ID

E. Dev - 1 is the DR because it has a higher OSPF router priority

A. The Gallant router has the wrong LMI type configured

B. Inverse ARP is providing the wrong PVC information to the Gallant router

C. The S3 interface of the Steele router has been configured with the frame-relay encapsulation ietf command

D. The frame-relay map statement in the Attalla router for the PVC to Steele is not correct

E. The IP address on the serial interface of the Attalla router is configured incorrectly

h has been configured with two vlans，and route-on-a-stick is being configured on the router for inter-vlan routing. A trunk is configured to connect the switch to the router.What is the minimum number of router subinterfaces that are required for all the vlans to communicate？（）

A.one

B.three

C.two

D.zero

● Every host and router on the Internet has an IP address，which encodes its (69) ．

(69) A．host number

B．host number and socket

C．network number

D．host number and network number