單項選擇題QoS policies are applied on the switches of a LAN. Which type of command will show the effects of the policy in real time?()

A.show command
B.debug command
C.configuration command
D.rommon command


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1.多項選擇題Which statements are true about EIGRP successor routes (Choose two.)()。

A.A successor route is used by EIGRP to forward traffic to a destination.
B.Successor routes are saved in the topology table to be used if the primary route fails.
C.Successor routes are flagged as "active" in the routing table.
D.A successor route may be backed up by a feasible successor route.
E.Successor routes are stored in the neighbor table following the discovery process.

3.多項選擇題Which three statements are typical characteristics of VLAN arrangements?()

A.A new switch has no VLANs configured.
B.Connectivity between VLANs requires a Layer 3 device.
C.VLANs typically decrease the number of collision domains.
D.Each VLAN uses a separate address space.
E.A switch maintains a separate bridging table for each VLAN.
F.VLANs cannot span multiple switches.

4.多項選擇題A network administrator changes the configuration register to 0x2142 and reboots the router. What are two results of making this change?()

A.The IOS image will be ignored.
B.The router will prompt to enter initial configuration mode.
C.The router will boot to ROM.
D.Any configuration entries in NVRAM will be ignored.
E.The configuration in flash memory will be booted.

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

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