單項選擇題

Refer to the exhibit.

Which of the following should you do to configure the IP phone to override the priority of the data packets it receives from the host? ()

A. Issue the mls qos trust cos command on the switch port connected to the IP phone.
B. Issue the switchport priority extend cos command on the switch port connected to the IP phone.
C. Issue the switchport priority extend cos command on the IP phone.
D. Issue the mls qos trust cos command on the IP phone.

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3.單項選擇題

Exhibit 

Which command will ensure that Company2 will be the primary router for traffic using the gateway  address of 172.16.15.20? ()

A. On R2 add the command standby 1 priority 80
B. On R1 add the command standby 1 priority 110
C. On R1 add the command standby 1 priority 80
D. On R2 remove the command standby 1 preempt

4.單項選擇題

Refer to the exhibit. What statement is true based upon the configuration of router R1 and router  R2?()

A. Router R2 will become the master for Virtual Router 1, and router R1 will become the backup  for Virtual Router 2.
B. Router R1 will become the master for Virtual Router 1, and router R2 will become the backup  for Virtual Router 2.
C. Router R1 will become the active virtual gateway.
D. Router R2 will become the active virtual gateway.
E. The hello and hold timers are incompatible with OSPF type 5 LSAs.
F. The hello and hold timers are incompatible with multi-homed BGP.

5.單項選擇題

.Refer to the exhibit and the partial configuration on routers R1 and R2. Hot Standby Routing  Protocol (HSRP) is configured on the network to provide network redundancy for the IP traffic. The  network administrator noticed that R2 does not become active when the R1 serial0 interface goes  down. 
What should be changed in the configuration to fix the problem? ()

A. The Serial0 interface on router R2 should be configured with a decrement value of 20.
B. The Serial0 interface on router R1 should be configured with a decrement value of 20.
C. R2 should be configured with a standby priority of 100.
D. R2 should be configured with a HSRP virtual address.

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