在OSPF的完全存根区域中，使用以下哪种LSAType报文或其它方式与区域间通信：（）

A.LSAType1.2

B.LSAType3

C.LSAType4

D.默认路由：0.0.0.0

What kind of cable should be used to establish a trunked line between two Catalyst switches?

A．A straight-through cable

B．An EIA/TIA-232 serial cable

C．An auxiliary cable

D．A modem cable

E．A cross-over cable

You need to decide on which trunking method to implement in the Ezonexam network. What is a characteristic of ISL and 802.1q frame. tagging in a switched LAN environment?

A．They are used to find the best path through a network.

B．They allow the exchange of filtering tables.

C．They specify different implementations of the Spanning-Tree Protocol.

D．They allow the exchange of routing tables

E．They provide inter-switch VLAN communication.

You are trying to connect directly into the LAN prot of a Ezonexam router. You want to telnet to the local Cisco router using TCP/IP but cannot create a session.

What should you do to resolve the problem?

A. Use a straight-through cable to connect your computer's COM port to the router's console port.

B. Use a crossover cable to connect your computer's COM port to the router's console port.

C. Use a straight-through cable to connect your computer's COM port to the router's Ethernet port.

D. Use a crossover cable to connect your computer's Ethernet port to the router's Ethernet port.

E. Use a rollover cable to connect your computer's Ethernet port to the router's Ethernet port.

F. Use a straight-through cable to connect your computer's Ethernet port to the router's Ethernet port.

G. None of the above

OSI物理层定义了用于创建物理网络以及通过物理网络发送比特的标准和协议。

此题为判断题(对，错)。

路由器上激活端口的命令是（）

A.shutdown

B.no shutdown

C.up

D.noup

缺省路由是最后一条被使用的特殊的静态路由。

此题为判断题(对，错)。

Which command on router EzonexamA will assign the last usable IP address from the 192.168.32.128/28 subnetwork to a router interface?

A. EzonexamA(config-if) ip address 192.168.32.142 255.255.255.240

B. EzonexamA(config-if) ip address 192.168.32.143 255.255.255.240

C. EzonexamA(config-if) ip address 192.168.32.158 255.255.255.240

D. EzonexamA(config-if) ip address 192.168.32.145 255.255.255.240

E. EzonexamA(config-if) ip address 192.168.32.144 255.255.255.240

F. EzonexamA(config-if) ip address 192.168.32.158 255.255.255.240

G. None of the above

扩展IP访问权限表的表号范围是：()

A.1—100

B.1-99

C.100-199

D.800-899

100baseT的速率是()Mbit/s

A.1

B.10

C.100

D.1000

Which layer of the OSI reference model is responsible for ensuring reliable end-to-end delivery of data?

A. Application

B. Presentation

C. Session

D. Transport

E. Network

F. Data-Link