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多项选择题

An SVI has been configured on a device. 
Which two statements are true about a switched virtual interface （SVI）？（）

A.An SVI is normally created for the default VLAN （VLAN1） to permit remote switch administration.
B.Multiple SVIs can be associated with a VLAN.
C.SVI is another name for a routed port.
D.An SVI is created by entering the no switchport command in interface configuration mode. 
E.An SVI provides a default gateway for a VLAN.

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多项选择题The following output was displayed on a switch.  Study the exhibit carefully. The administrator is verifying that a CEF FIB entry exists to destination network 192.168.150.0. Given the output generated by the  show ip cef  and  show adjacency detail  commands，  which three statements are true？ （）

A.The "valid cached adjacency" entry indicates that CEF will put all packets going to such an adjacency to the next best switching mode.
B.The number 003071506800 is the MAC address of the source IP address.
C.There is a valid CEF entry for the destination network 192.168.150.0.
D.The number 003071506800 is the MAC address of the 192.168.199.3 next hop IP address.
E.The counters （0 packets， 0 bytes） indicate a problem with the 192.168.199.3 next hop IP address.
F.There is an adjacency for the 192.168.199.3 next hop IP address.

多项选择题You work as a network technician at. Your boss， Mrs. ， is interested in the Spanning Tree Protocol timers.  What can you tell her regarding the default STP timers？ （）

A.The hello time is 5 seconds.
B.The forward delay is 10 seconds.
C.The hello time is 2 seconds.
D.The forward delay is 15 seconds
E.The max_age timer is 15 seconds.
F.The hello time is 10 seconds.
G.The max_age timer is 20 seconds.
H.The forward delay is 20 seconds.
I.The max_age timer is 30 seconds.

单项选择题A switch port on TK1 is being configured to support 802.1Q trunking.  Which of the following are true about 802.1Q trunking？（）

A.Both switches must be in the same VTP domain.
B.The encapsulation type of both ends of the trunk does not have to match.
C.The native VLAN on both ends of the trunk must be VLAN 1.
D.802.1Q trunking can only be configured on a Layer 2 port.
E.In 802.1Q trunking， all VLAN packets are tagged on the trunk link， except the native VLAN.

多项选择题WhichtwotabletypesareCEFcomponents？（）

A.forwarding information base
B.adjacency tables
C.neighbor tables
D.caching tables
E.route tables

单项选择题WhichprocessplaysamajorroleinthecreationoftheCEFadjacencytable？（）

A.Address Resolution Protocol （ARP）
B.PDU header rewrite
C.NetFlow switching
D.hello packet exchange