Passed Cisco 642-889 Exam with Pass4sure and Lead2pass PDF & VCE (21-30)

April 4, 2014

QUESTION 21
Which two statements about implementing a separate MPLS VPN to provide customers Internet access are correct? (Choose two.)

A.    The Internet gateway router will act as a CE router.
B.    Customers will use separate interfaces for VPN and Internet access.
C.    Customers are assigned to the Internet VPN.
D.    Internet routes will be leaked from the PE global routing table to the customer VRF.

Answer: AC

QUESTION 22
Which CE-to-PE routing protocol implements the down bit as a loop prevention mechanism?

A.    RIPv2
B.    EIGRP
C.    IS-IS
D.    OSPF
E.    BGP

Answer: D

QUESTION 23
When you are using OSPF as the CE-to-PE routing protocol in MPLS VPN implementations, an OSPF route from customerA site 1 in Area 0 will appear as which kind of OSPF route in customerA site 2, also in Area 0?

A.    intra-area
B.    interarea
C.    E1
D.    E2

Answer: B

QUESTION 24
When implementing nonhierarchical VPLS with eight PE routers, how many total PWs will be required between the PE routers?

A.    8
B.    16
C.    28
D.    32
E.    64

Answer: C

QUESTION 25
VPWS/EoMPLS offers which type of Ethernet services as defined by the MEF?

A.    E-Tree
B.    E-LAN
C.    E-Line
D.    E-Interworking

Answer: C

QUESTION 26
The Cisco IOS XR address-family ipv4 labeled-unicast and the Cisco IOS/IOS XE neighbor send-label commands are used in which MPLS implementation?

A.    Cisco MPLS TE
B.    CSC using MP-BGP for label exchange
C.    back-to-back VRF
D.    AToM
E.    VPLS

Answer: B

QUESTION 27
When verifying Layer 3 MPLS VPN operations, which Cisco IOS XR show command is best used to verify that the PE router is receiving the routes from the CE router?

A.    show route
B.    show route vrf vrf-name
C.    show bgp vpnv4 vrf vrf-name
D.    show bgp vpnv4 unicast ip-prefix

Answer: B

QUESTION 28
When implementing Layer 3 MPLS VPNs on Cisco IOS/IOS XE PE routers, which PE-to-CE routing protocol requires a separate routing process to be created for each VRF?

A.    EIGRP
B.    RIPv2
C.    OSPF
D.    BGP

Answer: C

QUESTION 29
In Layer 3 MPLS VPN implementations, if a customer is using the same AS number at both customer sites and the PE-to-CE routing protocol is BGP, what must be enabled on the PE router?

A.    BGP AS override
B.    BGP allowas-in
C.    BGP SOO extended community
D.    BGP AS path prepending

Answer: A

QUESTION 30
Which three functions are performed by the PE router in an MPLS Layer 3 VPN? (Choose three.)

A.    exchanges routing updates with the CE router
B.    translates the CE routing information into VPNv4 routes
C.    exchanges VPNv4 routes with other PE routers over MP-BGP
D.    imports and exports RTs that are received from the P routers
E.    exchanges RDs with the P routers
F.    exchanges VPN labels with the CE routers

Answer: ABC

If you want to pass Cisco 642-889 successfully, donot missing to read latest lead2pass Cisco 642-889 practice tests.
If you can master all lead2pass questions you will able to pass 100% guaranteed.

http://www.lead2pass.com/642-889.html

 
Powered by Wordpress and MySQL. Theme by Shlomi Noach, openark.org