單項選擇題Which IEEE standard protocol is initiated as a result of successful DTP completion in a switch over FastEthernet?（）

A.802.3ad
B.802.1w
C.802.1Q
D.802.1d


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1.單項選擇題Which command helps a network administrator to manage memory by displaying flash memory andNVRAM utilization?（）

A.show secure
B.show file systems
C.show flash
D.show version

2.多項選擇題以下哪項描述了WAN設(shè)備的角色？（）

A.CSU/ DSU用于端接本地數(shù)字環(huán)路
B.調(diào)制解調(diào)器端接本地數(shù)字環(huán)路
C.一個CSU/ DSU終止模擬本地環(huán)路
D.調(diào)制解調(diào)器終止模擬本地環(huán)路
E.路由器通常被視為DTE設(shè)備
F.路由器通常被視為DCE設(shè)備

4.多項選擇題A network administrator wants to ensure that only the server can connect to port Fa0/1 on a Catalyst switch. The server is plugged into the switch Fa0/1 port and the network administrator is about to bring the server online. What can the administrator do to ensure that only the MAC address of the server is allowed by switch port Fa0/1？ （）

A.Configure port Fa0/1 to accept connections only from the static IP address of the server.
B.Employ a proprietary connector type on Fa0/1 that is incompatible with other host connectors.
C.Configure the MAC address of the server as a static entry associated with port Fa0/1.
D.Bind the IP address of the server to its MAC address on the switch to prevent other hosts from spoofing the server IP address.
E.Configure port security on Fa0/1 to reject traffic with a source MAC address other than that of the server.
F.Configure an access list on the switch to deny server traffic from entering any port other than Fa0/1.

5.多項選擇題The network technician is planning to use the 255.255.255.224 subent mask on the network.which three valid IP addresses can the technician use for the hosts?（）

A.172.22.243.127
B.172.22.243.191
C.172.22.243.190
D.10.16.33.98
E.10.17.64.34
F.192.168.1.160