下文横线处选填哪项最恰当（)2002年春节刚过，啤酒巨头青啤、燕京“淮海战役”便拉开了帷幕。其实青岛

A.an OSPF update for network 192.168.0.0/16

B.a static router to network 192.168.10.0/24

C.a static router to network 192.168.10.0/24 with a local serial interface configured as the next hop

D.a RIP update for network 192.168.10.0/24

E.a directly connected interface with an address of 192.168.10.254/24

F.a default route with a next hop address of 192.168.10.1

A. The network is stable

B. There is a flapping link or interface, and router C knows an alternate path to the network

C. There is a flapping link or interf ace, and router C does not know an alternate path to the network

D. EIGRP is not working correctly on router C

E. There is not enough information to make a determination

A. The network has been stable for at least the last 45 minutes

B. There is a flapping link or interf ace, and router C knows an alternate path to the network

C. There is a flapping link or interface, and router A does not know an alternate path to the network

D. EIGRP is not working correctly on router C

E. There is not enough information to make a determination

A. When a router receives a failure response, it stops querying authentication methods.

B. When a router receives an error response, it stops querying authentication methods.

C. If the router receives a failure response from an authentication method, it queries the next method.

D. The router does not differentiate between failure and error responses; the authentication process is always interrupted.

E. If it receives no response from the authentication method, a router will determine the error condition on its own; the router also has the option to proceed to the next method in a list if configured accordingly.

A. When a router receives a failure response, it stops querying authentication methods.

B. When a router receives an error response, it stops querying authentication methods.

C. If the router receives a failure response from an authentication method, it queries the next method.

D. The router does not differentiate between failure and error responses; the authentication process is always interrupted.

E. If it receives no response from the authentication method, a router will determine the error condition On its own; the router also has the option to proceed to the next method in a list if configured accordingly.

A. When a router receives a failure response, it stops querying authentication methods.

B. When a router receives an error response, it stops querying authentication methods.

C. If the router receives a failure response from an authentication method, it queries the next method.

D. The router does not differentiate between failure and error responses; the authentication process is always interrupted.

E. If it receives no response from the authentication method, a router will determine the error condition on its own; the router also has the option to proceed to the next method in a list if configured accordingly.

An internet is a combination of networks connected by (71) .When a datagram goes from a source to a (72) ，it will probably pass many (73) until it reaches the router attached to the destination network．A router receives a (74) from a network and passes it to another network．A router is usually attached to several networks．When it receives a packet，to which network should it pass the packet？ The decision is based on optimization： Which of the available (75) is the optimum pathway？

A．modems

B．routers

C．switches

D．computers

An internet is a combination of networks connected by (71) .When a datagram goes from a source to a (72) ，it will probably pass many (73) until it reaches the router attached to the destination network．A router receives a (74) from a network and passes it to another network．A router is usually attached to several networks．When it receives a packet，to which network should it pass the packet？ The decision is based on optimization： Which of the available (75) is the optimum pathway？

A．modems

B．routers

C．switches

D．computers

An internet is a combination of networks connected by (1). When a datagram goes from a source to a？ (2), it will probably pass many (3) until it reaches the router attached to the destination network. A router receives a？ (4) from a network and passes it to another network. A router is usually attached to several networks. When it receives a packet, to which network should it pass the packet？ The decision is based on optimization: Which of the available (5) is the optimum pathway？

空白（4）处应选择（）

A. destination

B. resource

C. packet

D. source

An internet is a combination of networks connected by (1). When a datagram goes from a source to a？ (2), it will probably pass many (3) until it reaches the router attached to the destination network. A router receives a？ (4) from a network and passes it to another network. A router is usually attached to several networks. When it receives a packet, to which network should it pass the packet？ The decision is based on optimization: Which of the available (5) is the optimum pathway？

空白（3）处应选择（）

A. destinations

B. routers

C. packets

D. computers