Download New Latest (May) Cisco 642-889 Actual Tests 11-20

Ensurepass  QUESTION 11 Implementing H-VPLS instead of VPLS reduces which requirement?   A. having a full mesh of PWs between all the PE routers in the service provider MPLS core B. having a full mesh of PWs between all the UPE routers C. having to implement QinQ tagging between the UPE and the NPE D. having to implement MPLS LDP between the UPE and the NPE E. the overhead of using BGP or LDP autodiscovery   Answer: A Explanation:       C:Documents Read more [...]

Download New Latest (May) Cisco 642-889 Actual Tests 1-10

Ensurepass Exam A   QUESTION 1 Which two methods can be used for VPLS PW signaling? (Choose two.)   A. static B. BGP C. IGP D. LDP E. RSVP   Answer: BD Explanation:   C:Documents and Settingsuser-nwzDesktop1.JPG     QUESTION 2 When implementing MPLS Layer 3 VPNs with customers running OSPF as the CE-PE routing protocol, the service provider MPLS backbone looks like what to the CE routers?   A. the backbone (Area 0) B. an external routing Read more [...]

Download New Latest (May) Cisco 642-887 Actual Tests 41-50

Ensurepass  QUESTION 41 Which three network services can be implemented using MPLS within the service provider IP NGN core? (Choose three.)   A. Layer 2 VPNs B. Layer 3 VPNs C. traffic engineering D. IntServ traffic engineering tunnels E. encrypted LSPs   Answer: ABC     QUESTION 42 Scenario:                   On P2IOS-XR router what is targeted LDP hellos hold time on LDP session with 10.0.1.1:0 LDP ID?   Read more [...]

Download New Latest (May) Cisco 642-887 Actual Tests 31-40

Ensurepass  QUESTION 31 When a link flaps, an mpls ldp session will also flap. Which feature minimizes traffic loss and provides faster convergence after the link is re-established?   A. BFD B. MPLS LDP IGP SYNC C. graceful restart D. LDP session protection E. LDP nonstop routing   Answer: D     QUESTION 32 DRAG DROP       Answer:   A.   B.   C.   D.     Answer:     QUESTION 33 On Cisco Read more [...]

Download New Latest (May) Cisco 642-887 Actual Tests 21-30

Ensurepass  QUESTION 21 DS-TE implementations on Cisco routers support which bandwidth pool(s) and class type(s)? (Choose two.)   A. global pool only B. subpool only C. global pool and subpool D. class-type 0 only E. class-type 1 only F. class-type 0 and class-type 1   Answer: CF Explanation:Differential Service Tunnels Differential Service Traffic Engineering (TE) is an extension of the regular MPLS Traffic Engineering (MPLSTE) feature. Regular TE does not provide Read more [...]

Download New Latest (May) Cisco 642-887 Actual Tests 11-20

Ensurepass  QUESTION 11 Scenario:               From the PE8 router, how many total prefixes for have an incoming local label assigned (including the imp-null)?   A. 45 B. 21 C. 66 D. 22   Answer: B Explanation: On PE8 issue: show mpls ip binding summary and look at "assigned in labels". That value is the correct answer NOT "learned out label".     C:Documents and Settingsuser-nwzDesktop1.JPG     QUESTION 12 Read more [...]

Download New Latest (May) Cisco 642-887 Actual Tests 1-10

Ensurepass  Exam A   QUESTION 1 Cisco MPLS TE resource attributes that are configured locally for each link are distributed to the headend router of the traffic engineering tunnel using which protocol?   A. BGP B. MP-BGP C. LDP D. RSVP E. OSPF or IS-IS with TE extension   Answer: E     QUESTION 2 When implementing Cisco MPLS TE, the constrained-based path calculations will use which value as the TE cost of each link within the MPLS domain?   Read more [...]

Download New Latest (May) Cisco 642-883 Actual Tests 31-40

Ensurepass  QUESTION 31 Refer to the exhibit.     Based on the Cisco IOS XR route policy configuration, when redistributing OSPF routes into IS-IS, to which of the following does the "tag" value correspond?   A. The tag value represents the OSPF metric. B. The tag value represents the IS-IS metric. C. The tag value identifies a route or set of routes. D. The tag value is used to match whether the IS-IS route is an external or internal IS-IS route. E. The tag Read more [...]