A. 255.255.255.240
B. 255.255.255.254
C. 255.255.255.252
D. 255.255.255.0
E. 255.255.255.248
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A. 2031:0:130F::9C0:876A:130B
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A. SMTP
B. Telnet
C. FTP
D. DNS
A. spanning-tree backbonefast
B. spanning-tree uplinkfast
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D. spanning-tree cost512
A. 802.3ad
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D. show version
最新試題
Which encapsulation type is a Frame Relay encapsulation type that is supported by Cisco routers?（）
You have been asked to come up with a subnet mask that will allow all three web servers to be on the same network while providing the max number of subnets.Which network address and subnet mask meet this requirement?（）
How are VTP advertisements delivered to switches across the network?（）
At which layer of the OSI model is RSTP used to prevent loops?（）
A network administrator is trying to add a new router into an established OSPF network.The networks attached to the new router do not appear in the routing tables of the other OSPF routers.Given the information in the partial configuration shown below,what configuration error is causing this problem?（）Router(config)#router ospf 1Router(config-router)#network 10.0.0.0 255.0.0.0 area 0
Which protocol reduces administrative overhead in a switched network by allowing the configuration of a new VLAN to be distributed to all the switches in a domain?（）
At which layer of the OSI model dose PPP perform?（）
Which command displays the CHAP authentication process as it occurs between two routers?（）
Which statement is true, as relates to classful or classless routing?（）
On which options are standard access list based?（）