單項(xiàng)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(xiàng)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(xiàng)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(xiàng)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(xiàng)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

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:?jiǎn)雾?xiàng)選擇題

Which statement is true, as relates to classful or classless routing?()

題型:?jiǎn)雾?xiàng)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:?jiǎn)雾?xiàng)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:?jiǎn)雾?xiàng)選擇題

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

題型:?jiǎn)雾?xiàng)選擇題

Which command displays the CHAP authentication process as it occurs between two routers?()

題型:?jiǎn)雾?xiàng)選擇題

While troubleshooting a network problem,a technician discovers that the current copy of the Cisco IOS is outdated and needs to be updated.Which of the following commands would the technician issue to replace the Cisco router IOS with the newer version?()

題型:?jiǎn)雾?xiàng)選擇題

Which pairing reflects a correct protocol-and-metric relationship?()

題型:?jiǎn)雾?xiàng)選擇題

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?()

題型:?jiǎn)雾?xiàng)選擇題

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

題型:?jiǎn)雾?xiàng)選擇題