單項選擇題The enable secret command is used to secure access to which CLI mode?()

A. user EXEC mode
B. global configuration mode
C. privileged EXEC mode
D. auxiliary setup mode


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1.單項選擇題Which statement about vlan operation on cisco catalyst switches is true?()

 A. when a packet is received from an 802.1Q trunk,the vlan id can be determined from the source MAC address table.
B. unkown unicast frames are retransmitted only to the ports that belong to the same vlan
C. ports between switches should be configured in access mode so that vlans can span across the ports
D. broadcast and multicast frames are retransmitted to ports that are configured on different vlan.

2.單項選擇題A router receives information about network 192.168.10.0/24 from multiple sources.What will the router consider the most reliable information about the path to that network?()

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

4.單項選擇題Given an IP address 172.16.28.252 with a subnet mask of 255.255.240.0, what is the correct network addres?()

A. 172.16.16.0
B. 172.16.24.0
C. 172.16.0.0
D. 172.16.28.0

5.單項選擇題Which command can be used to verify the DLCI destination address in a Frame Relay static configuration?()

A. show frame-relay end-to-end
B. show frame-relay map
C. show frame-relay lmi
D. show frame-relay pvc

最新試題

What is the result of issuing the frame-relay map ip 192.168.1.2 202 broadcast command?()

題型:單項選擇題

Three switches are connected to one anther via trunk ports.Assuming the default switch configuration,which switch is elected as the root bridge for the spanning-tree instance of vlan 1?()

題型:單項選擇題

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?()

題型:單項選擇題

Which cisco ios command can help to determine the timing of various debug events,relative to each other,when you are debugging a complicated router issue?()

題型:單項選擇題

When you are troubleshooting an ACL issue on a router,which command can help you to verify which interfaces are affected by the ACL?()

題型:單項選擇題

An employee of ABC company has move to an office on a different floor. Although the administrator is able to telnet to all of the routers,the address of Switch F is needed in order to verify that the employee remains in the same VLAN.Which action could be used by the administrator to find the IP address of Switch F?()

題型:單項選擇題

At which layer of the OSI model dose PPP perform?()

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Which address is the IPV6 all-RIP-routers muticast group address that is used by RIPng as the destaion address?()

題型:單項選擇題

Which command is used to display the collection of OSPF link states?()

題型:單項選擇題

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?()

題型:單項選擇題