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How are the Cisco Express Forwarding table and the FIB related to each other?

A.    Cisco Express forwarding uses a FIB to make IP destination prefix-based switching decisions
B.    Cisco Express Forwarding table allows route lookups to be forwarded to the route processor for processing before they are sent to the FIB
C.    The FIB is used to populate the Cisco Express Forwarding table
D.    There can be only one FIB but multiple Cisco Express forwarding tables on IOS devices

Answer: A

Which two statements about BGP PIC are true? (Choose two.)

A.    When the path to a distant PE router charges, PIC is Independent of the number VRFs on the router.
B.    It is prefix-dependent for internal routes.
C.    PIC Core supports fast convergence with external neighbor links.
D.    It achieves subsecond convergence in the BGP FIB.
E.    PIC Edge provides fast convergence when an external neighbor node fails.

Answer: CD

Refer to the exhibit. Which statement is true?

A.    R1 is using an MPLS TE tunnel for this pseudowire, because the IP path is not avialable.
B.    The default route is available in the IPv4 routing table.
C.    R1 has preferred-path configured for the pseudowire.
D.    R1 routes this pseudowire over MPLS TE tunnel1 with transport label 20

Answer: D

When you implement CoPP on your network, what is its default action?

A.    Drop management ingress traffic to the control plane.
B.    Monitor ingress and egress traffic to the control plane by using access groups that are applied to the interface
C.    Block all traffic.
D.    Rate-limit bidirectional traffic to the control plane.
E.    Permit all traffic.

Answer: E

Which interior gateway protocol is based on open standards, uses a shortest-path first algorithm, provides native support for non-IP Layer 3 protocols, and operates at the data link layer?

B.    IS-IS
C.    OSPF
D.    BGP

Answer: B

Refer to the exhibit. Between which router is an LDP session established?

A.    R1, R2 and R3
B.    R1 and R3
C.    R1 and R2
D.    R2 and R3

Answer: C

Which IS-IS process is responsible for flooding local link information to adjacent routers?

A.    update
B.    receive
C.    decision
D.    forward

Answer: A

In which way does the Bridge Assurance mechanism modify the default spanning-tree behavior in an effort to prevent bridging loops?

A.    If BPDUs are no longer received on a port, the switch immediately sends out a TCN BPDU.
B.    Extended topology information is encoded into all BPDUs
C.    BPDUs are sent bidirectional on all active network ports, including blocked and alternate ports.
D.    Received BPDUs are looped back towards the sender to ensure that the link is bidirectional

Answer: C

Which information is contained in an OSPF Type 7 Not-So-Stubby Area NSSA External LSA?

A.    External network address, mask, and cost to reach network that is external to the OSPF domain and only within the NSSA
B.    The external network address, mask and cost to reach networks that are external to the OSPF NSSA, including the default route.
C.    The address of routers that connect the current area to other areas and cost to reach those routers.
D.    The paths and costs to reach other stub area border routers in the OSPF routing domain
E.    The paths and costs to all OSPF NSSA areas that are external to the current area

Answer: A

Refer to the exhibit. The Main1 and Branch1 switches are connected directly over an MPLS pseudowire, and both run UDLD. After router B1 reloads because of a power failure, the pseudowire is restored. However, the Branch 1 switch is unable to reach the Main 1 switch.
Which two actions can you take to restore connectivity and prevent the problem from recurring? (Choose two)

A.    Issue the shutdown and no shutdown commands on both the Branch1 switch uplink to the B1 router and the Main 1 switch’s uplink to the M1 router.
B.    Configure a backup GRE tunnel between the Main 1 and Branch 1 switches.
C.    Enable UDLD recovery on both the Main 1 and Branch 1 switches
D.    Enable errdisable recovery on both the Main 1 and Branch 1 switches.
E.    Configure a backup pseudowire between the Main 1 and Branch1 switches

Answer: AD
Which statement about Auto-RP is true?

A.    An RP that is tied to a loopback address must be configured.
B.    All interfaces must be configured in sparse mode.
C.    All interfaces must be configured in sparse-dense mode.
D.    All interfaces must be configured in dense mode.

Answer: C

Which technology can be used to secure the edge of an STP domain?

A.    root guard
B.    BPDU guard
C.    UplinkFast
D.    BPDU filter

Answer: A

Which three features support object tracking? (Choose three)

A.    OSPF
B.    BFD
C.    EEM
D.    HSRP
E.    PfR
F.    vPC

Answer: CDF

Which GDOI key is responsible for encrypting control plane traffic?

A.    The traffic encryption key
B.    The key-chain
C.    The preshared key
D.    The key encryption key

Answer: D

Which two statements about private VLAN communications are true? (Choose two.)

A.    Promiscuous ports communicate with all other ports.
B.    Primary VLAN traffic is passed across trunk interfaces.
C.    Promiscuous ports connect only to routers.
D.    Isolated ports communicate with other isolated ports.

Answer: AB


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