[PDF&VCE] 100% New Updated 640-878 New Questions Lead2pass Helps Pass 640-878 Successfully (51-60)

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Following questions and answers are all new published by Cisco Official Exam Center: http://www.lead2pass.com/640-878.html

When is a route-policy configuration needed on a Cisco IOS XR router using RPL?

A.    when enabling an IGP routing protocol configuration
B.    when enabling an EBGP peering configuration
C.    when enabling an IBGP peering configuration
D.    when enabling route redistribution
E.    when enabling an LDP peering configuration

Answer: B

Refer to the partial Cisco IOS router configuration exhibit. Which type of tunnel configuration is shown?

A.    GRE tunnel
B.    manual 6in4 tunnel
C.    6to4 automatic tunnel
D.    6RD
E.    IPv4-in-IPv6 tunnel

Answer: B

Which two protocols are most often deployed in Cisco IP NGN multiservices core networks to support services like VPNs? (Choose two.)

A.    MPLS
B.    GRE
C.    mGRE
D.    SSL
E.    VTI
F.    multiprotocol BGP

Answer: AF

Which segment protocol provides fast and predictable convergence (typically within 50 ms) in Layer 2 Ethernet ring topologies?

A.    Spanning Tree Protocol
B.    Flex Links
C.    Resilient Ethernet Protocol
D.    Spatial Reuse Protocol
E.    Resilient Packet Ring

Answer: C

Within an MPLS domain, which table is used by the ingress edge LSR to make forwarding decisions when an unlabeled IP packet is received?

A.    FIB
B.    LFIB
C.    LIB
D.    MP-BGP
E.    VRF

Answer: A

Which three statements about access control lists on a Cisco IOS router are true? (Choose three)

A.    The more specific ACL entries should be placed at the top of the ACL.
B.    The generic ACL entries should be placed at the top of the ACL, to filter general traffic and reduce
noise on the network.
C.    ACLs always search for the most specific entry before taking any filtering action.
D.    Router-generated packets cannot be filtered by the interface ACLs on the router.
E.    Extended ACLs should be placed as close to the destination as possible.
F.    There must be at least one permit statement in an ACL, or all traffic is denied.

Answer: ADF

Which Cisco IOS access list permits HTTP traffic that is sourced from host port 3030 and that is destined to host

A.    access-list 101 permit tcp any eq 3030
B.    access-list 101 permit tcp eq 3030 eq www
C.    access-list 101 permit tcp eq www eq www
D.    access-list 101 permit tcp host eq 80 eq 3030
E.    access-list 101 permit tcp eq 80
F.    access-list 101 permit ip host eq 3030 host eq 80

Answer: B

What is dual IOS mode on the Cisco ASR 1001 Router?

A.    redundant IOS processes that are running on the active RP and standby RP
B.    active and standby IOS processes that are running on a single RP
C.    separate Cisco IOS XE and IOS XR processes that are running on a single RP
D.    separate Cisco IOS XE and IOS XR processes that are running on two different RPs
E.    checkpointed redundant IOS processes that are running on two different RPs in active/active mode

Answer: B

Which Cisco platform runs the Cisco IOS XE operating system?

A.    Cisco ASR9K
B.    Cisco CRS
C.    Cisco 12000 GSR
D.    Cisco ASR1K
E.    Cisco ME 3400
F.    Cisco ISR-G2

Answer: D

A service provider needs to implement a managed CE device that supports Cisco IOS ISSU, and
the current CE support staff is highly trained in Cisco IOS only. Which Cisco router platform should the service provider implement as the managed CE device?

A.    Cisco ASR1K
B.    Cisco ISR-G2
C.    Cisco ASR9K
D.    Cisco 12000 GSR
E.    Cisco 7200
F.    Cisco 7600

Answer: A

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