What is the primary purpose of a First Hop Redundancy Protocol?

• A.It allows directly connected neighbors to share configuration information.
• B.It allows a router to use bridge priorities to create multiple loop-free paths to a single destination.
• C.It reduces routing failures by allowing Layer 3 load balancing between OSPF neighbors that have the same link metric.
• D.It reduces routing failures by allowing more than one router to represent itself, as the default gateway of a network.

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Refer to the exhibit. An administrator must configure interfaces Gi1/1 and Gi1/3 on switch SW11 PC-1 and PC- 2 must be placed in the Data VLAN and Phone-1 must be placed in the Voice VLAN.
Which configuration meets these requirements?

• A.Option D
• B.Option A
• C.Option C
• D.Option B

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Which statement about QoS default behavior is true?

• A.Ports are untrusted by default.
• B.Video traffic is passed with a well-known DSCP value of 46.
• C.Packets are classified internally with an environment.
• D.Packets that arrive with a tag are untagged at the edge of an administrative domain.
• E.VoIP traffic is passed without being tagged.

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Refer to the exhibit. An engineer must configure the interface that connects to PC1 and secure it in a way that only PC1 is allowed to use the port. No VLAN tagging can be used except for a voice VLAN. Which command sequence must be entered to configure the switch?

• A.SW1(config-if)#switchport mode dynamic desirable
  SW1(config-if)#switchport port-security mac-address 0050.7966.6800
  SW1(config-if)#switchport port-security mac-address sticky
• B.SW1(config-if)#switchport mode dynamic auto
  SW1(config-if)#switchport port-security
  SW1(config-if)#switchport port-security violation restrict
• C.SW1(config-if)#switchport mode nonegotiate
  SW1(config-if)#switchport port-security
  SW1(config-if)#switchport port-security maximum 1
• D.SW1(config-if)#switchport mode access
  SW1(config-if)#switchport port-security
  SW1(config-if)#switchport port-security mac-address 0050.7966.6800

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When OSPF learns multiple paths to a network, how does it select a route?

• A.It count the umber of hops between the source router and the destination to determine the router with the lowest metric
• B.For each existing interface, it adds the metric from the source router to the destination to calculate the route with the lowest bandwidth.
• C.It divides a reference bandwidth of 100 Mbps by the actual bandwidth of the existing interface to calculate the router with the lowest cost.
• D.It multiple the active K value by 256 to calculate the route with the lowest metric.

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