A. data link
B. network
C. physical
D. transport
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A. PSK
B. AH
C. MD5
D. ESP
A. show frame-relay map
B. show frame-relay lmi
C. show inter serial
D. show frame-relay pvc
A. B514:82C3:0029::EC7A:0000:EC72
B. B514:82C3:0029:EC7A:EC72
C. B514:82C3::0029:EC7A:0:EC72
D. B514:82C3::0029:EC7A:EC72
A. They run a spell check on host names to ensure accurate routing
B. They convert domain names into IP address
C. Given an IP address,they determine the name of the host that is sought
D. They map individual hosts to their specific IP addresses
A. VTP
B. 802.1Q
C. RSTP
D. STP
最新試題
What is the purpose of the cisco Vlan Trunking protocol?（）
What is the default administrative distance of OSPF?（）
Which encapsulation type is a Frame Relay encapsulation type that is supported by Cisco routers?（）
Which statement is true, as relates to classful or classless routing?（）
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
After the show ip route command has been entered,the follwing routes are displayed.Which route will not be entered into the routing table of a neighboring router?（）
A network administrator is planning a network installation for a large organization.The design requires 100 separate subnetworks,so the company has acquired a Class B network address.What subnet mask will provide the 100 subnetworks required, if 500 usable host addresses are required per subnet?（）
Which device might be installed at a branch office to enable and manage an IPsec site-to-site VPN?（）
At which layer of the OSI model is RSTP used to prevent loops?（）
Which name describes an IPV6 host-enable tunneling technique that uses IPV4 UDP,does not require dedicated gateway tunnels,and can pass through existing IPV4 NAT gateways?（）