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QUESTION 77
Which IOS show command can be used to examine the MPLS VPN label stack for a prefix?
A. show ip route vrf {vrf-name} {ip-prefix}
B. show ip cef {ip-prefix}
C. show ip cef vrf {vrf-name} {ip-prefix}
D. show ip vrf detail
E. show ip bgp vpnv4 all
F. show mpls interfaces
Correct Answer: C Section: (none) Explanation
Explanation/Reference:
QUESTION 78
Using OSPF as the CE-PE routing protocol, when and which router will set the down bit?
A. The PE router will set the down bit when redistributing routes from MP-BGP into OSPF.
B. The PE router will set the down bit when redistributing routes from OSPF into MP-BGP.
C. The CE router will set the down bit when propagating the OSPF route to the PE router.
D. The PE router will set the down bit when propagating the OSPF route to the CE router.
E. The P router will set the down bit when propagating the route to another P router.
F. The PE router will set the down bit when propagating the route to another PE router over MP-BGP.
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 79
Which type of VPN implementation is simple and cost effective because all sites connect only to the PE router and as a result optimum routing between sites is enabled by default?
A. peer-to-peer VPN
B. overlapping VPN
C. hub-and-spoke overlay VPN
D. fully-meshed overlay VPN
E. client-server VPN
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 80
Which three fields must be included in MPBGP updates between PE routers in an MPLS network? (Choose three.)
A. VPNv4 address
B. label used for VPN packet forwarding
C. AS path
D. Site of Origin
E. TE path designator
Correct Answer: ABC Section: (none) Explanation
Explanation/Reference:
QUESTION 81
A pair of MPLS routers, operating in the default frame-mode, are connected over two parallel links. Which of the following describes what will happen when they try to establish LDP sessions?
A. Only one LDP session will be established.
B. Multiple LDP sessions, one for each link, will be established and the TCP traffic will be load balanced between the links.
C. Multiple LDP sessions, one for each link, will be established, but only the one with the highest IP address will be active.
D. Multiple LDP sessions, one for each link, will be established, but only the one with the best metric will be active.
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 82
Which three statements correctly describe a route target (RT)? (Choose three.)
A. An RT is an extended BGP community.
B. An RT is a 64-bit prefix prepended to a IPv4 address enabling different customers to share the same IP address pool.
C. An RT is attached to IPv4 routing updates for indication of MPLS VPN membership.
D. Multiple RTs can be attached to a single VPNv4 BGP routing update.
E. Each VRF on a PE router can have multiple import RTs configured.
F. Export RTs are manually configured on the CE routers.
Correct Answer: ADE Section: (none) Explanation
Explanation/Reference: QUESTION 83
Within the VRF configuration mode, the import map and the export map commands are used for which purpose?
A. to reference the import and export route-maps that are used to limit the maximum number of routes in a VRF
B. to reference the import and export route-maps that are used to selectively specify additional criteria for route-targets import and export
C. to reference the import and export route-maps that are used to filter the routes that are redistributed into MPBGP
D. to reference the import and export route-maps that are used to set loop avoidance parameters such as SOO
E. mandatory VRF commands to specify the import and export route-targets
Correct Answer: B Section: (none) Explanation
Explanation/Reference:
QUESTION 84
Refer to the exhibit and the following connectivity requirements. Which type of MPLS VPN is being implemented? Sites CE1A and CE1B require connectivity to each other.Sites CE2A and CE2B require connectivity to each other.Site CE1C requires connectivity to sites CE1A, CE1B, CE3A, and CE3B. Site CE2C requires connectivity to sites CE2A, CE2B, CE3A, and CE3B. Sites CE3A and CE3B require connectivity to each other and to CE1C and CE2C.
A. central services MPLS VPN
B. overlapping MPLS VPN
C. simple VPN
D. combinations of overlapping and central services MPLS VPN
E. combinations of simple and central services MPLS VPN
Correct Answer: D Section: (none) Explanation
Explanation/Reference:
Free practice questions for Cisco 642-611 exam.These questions are aimed at giving you an idea of the type of questions you can expect on the actual exam.You will get an idea of the level of knowledge each topic goes into but because these are simple web pages you will not see the interactive and performance based questions – those are available in the Cisco 642-611.
