Which method changes the forwarding decision that a router makes without first changing the routing table or influencing the IP data plane?

• A.nonbroadcast multiaccess
• B.packet switching
• C.policy-based routing
• D.forwarding information base

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What action is performed for untagged outgoing labels in an MPLS router?

• A.Convert the incoming MPLS packet to an IP packet and forward it to the next router.
• B.Convert the untagged packet to a labeled packet and forward it to the next router
• C.Convert the incoming MPLS packet to an untagged packet and then do a RIB lookup.
• D.Convert the incoming MPLS packet to an untagged packet and then do a FIB lookup

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Refer to the exhibit.

R2 is a route reflector, and R1 and R3 are route reflector clients. The route reflector learns the route to
172.16.25.0/24 from R1, but it does not advertise to R3. What is the reason the route is not advertised?

• A.Route reflector setup requires full IBGP mesh between the routers.
• B.In route reflector setups, prefixes are not advertised from one client to another.
• C.R2 does not have a route to the next hop, so R2 does not advertise the prefix to other clients.
• D.In route reflector setup, only classful prefixes are advertised to other clients.

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Refer to the exhibit.

The R1 and R2 configurations are:

The neighbor is not coming up. Which two sets of configurations bring the neighbors up? (Choose two.)

• A.R2
  ip route 10.1.1.2 255.255.255.255 192.168.1.2
  !
  router bgp 100neighbor 10.1.1.2 ttl-security hops 1
  neighbor 10.1.1.2 update-source loopback 0
• B.R1
  ip route 10.1.1.2 255.255.255.255 192.168.1.2
  !
  router bgp 100
  neighbor 10.1.1.2 disable-connected-check
  neighbor 10.1.1.2 update-source Loopback0
• C.R2
  ip route 10.1.1.1 255.255.255.255 192.168.1.1
  !
  router bgp 200
  neighbor 10.1.1.1 disable-connected-check
  neighbor 10.1.1.1 update-source loopback 0
• D.R2
  ip route 10.1.1.1 255.255.255.255 192.168.1.1
  !
  router bgp 200
  neighbor 10.1.1.1 tti-security hops 1
  neighbor 10.1.1.1 update-source loopback 0
• E.R1
  ip route 10.1.1.2 255.255.255.255 192.168.1.2
  !
  router bgp 100
  neighbor 10.1.1.1 ttl-security hops 1
  neighbor 10.1.1.2 update-source loopback 0

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Which statement about IPv6 RA Guard is true?

• A.It does not offer protection in environments where IPv6 traffic is tunneled.
• B.It cannot be configured on a switch port interface in the ingress direction.
• C.Packets that are dropped by IPv6 RA Guard cannot be spanned.
• D.It is not supported in hardware when TCAM is programmed.

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