Get Full Version of the Examhttp://www.EnsurePass.com/642-883.html Question No.71Which high-availability mechanism is a detection protocol that is enabled at the interface and atthe routing protocol levels?NSFSSONSRBFDSDRAnswer: DExplanation:http://www.cisco.com/en/US/docs/ios/12_0s/feature/guide/fs_bfd.html Question No.72A network engineer is configuring IS-IS in Cisco IOS XR. Where is BFD configured?RP/0/RSP0/CPU0:router(config-isis-if)#RP/0/RSP0/CPU0:router(config)#RP/0/RSP0/CPU0:router(config-bfd)#RP/0/RSP0/CPU0:router(config-isis-if-af)#Answer: Read more [...]
Get Full Version of the Examhttp://www.EnsurePass.com/642-883.html Question No.61Which two mandatory tasks must an IS-IS NSF-capable router perform for RP switchover? (Choose two.)Relearn the available IS-IS neighbors.Reacquire the contents of the LSD.Reset peering with the available IS-IS neighbors.Keep the existing contents of the LSD.Rediscover DIS for each link segment.Answer: AB Question No.62A network engineer wants to set the local preference to 100 for the community set list lowpri- communities. Read more [...]
Get Full Version of the Examhttp://www.EnsurePass.com/642-883.html Question No.51Refer to the Cisco IOS XR route policy exhibit. Which two statements are correct? (Choose two.)quot;testquot; and quot;fooquot; are references to the community sets.The quot;match-anyquot; option indicates matching either the standard community or extended community.Routes that match both the quot;testquot; and quot;fooquot; conditions will have their local preference set to 20.All non-matching routes will be permitted.Answer: Read more [...]
Get Full Version of the Examhttp://www.EnsurePass.com/642-883.html Question No.41A network specialist is working for a large enterprise that has a BGP-enabled multihomed core infrastructure. Recently, the ISP that provides Internet connectivity to the company had to temporarily disable one of the BGP sessions as a result of routers blackholing BGP prefixes in transit. Which option can the specialist use to avoid this incident in the future?filtering local prefixes outboundusing only one router Read more [...]
Get Full Version of the Examhttp://www.EnsurePass.com/642-883.html Question No.21Which option describes the configuration for a Cisco IOS XR OSPF router to give it the highest chances of becoming DR?ip ospf priority 0 under the OSPF interface statementip ospf priority 0 under the OSPF area statementip ospf priority 255 under the OSPF interface statementip ospf priority 255 under the OSPF area statementLeave priority unchanged, but assign a high-numbered IP address on a loopback interface.Leave Read more [...]
Get Full Version of the Examhttp://www.EnsurePass.com/642-883.html Question No.11What is the default OSPF seed metric and type?10 and E110 and E220 and E120 and E20 and E10 and E2Answer: D Question No.12A customer is concerned about rerouting attacks on the IS-IS domain spanning the company. Which keychain management configuration is valid to authenticate IS-IS link- state information and provide a first response to this type of attack for Cisco IOS XR instances?configurekey chain isis-keyskey Read more [...]
Get Full Version of the Examhttp://www.EnsurePass.com/642-883.html Question No.31In Cisco IOS and Cisco IOS XE Software images, when redistributing routes from other routing protocols into OSPF, what is a common reason why some of the routes might not be redistributed into OSPF?The OSPF external metric type (E1 or E2) is not defined.The OSPF seed metric is not defined.The OSPF level (Level 1, Level 2, or Level-1-2) to which the routes will be redistributed into is notdefined.The subnets option Read more [...]
Get Full Version of the Examhttp://www.EnsurePass.com/642-883.html Question No.1What are two purposes of the BGP scan-time command? (Choose two.)to tune the BGP process which walks the BGP table and confirms the reachability of next hopsto allow faster detection of downed BGP peersto improve BGP convergence timeto tune the BGP update intervalto decrease the effects of unstable routes by increasing the route suppression timeAnswer: ACExplanation:http://www.networkers-online.com/blog/2008/12/bgp-performance-tunning-convergence-stability- Read more [...]
Ensurepass.com : Ensure you pass the IT Exams 2018 Mar Cisco Official New Released 642-883100% Free Download! 100% Pass Guaranteed!http://www.EnsurePass.com/642-883.html Deploying Cisco Service Provider Network Routing (SPROUTE) Question No: 61Refer to the exhibit.IS-IS adjacency is not established between XR2 and R1. Which action fixes this issue?unify IS-IS process IDs on each routerconfigure on R1 under IS-IS is-type level-1-2configure on R1 under IS-IS area-password CISCOconfigure on Read more [...]
Ensurepass.com : Ensure you pass the IT Exams 2018 Mar Cisco Official New Released 642-883100% Free Download! 100% Pass Guaranteed!http://www.EnsurePass.com/642-883.html Deploying Cisco Service Provider Network Routing (SPROUTE) Question No: 71When using the Cisco IOS-XR show bgp command to examine the BGP table, the Metric value being displayed is used to represent which BGP attribute?WeightLocal PreferenceMEDCost CommunityAnswer: C Question No: 72Refer to the BGP and route map configurations Read more [...]
Ensurepass.com : Ensure you pass the IT Exams 2018 Mar Cisco Official New Released 642-883100% Free Download! 100% Pass Guaranteed!http://www.EnsurePass.com/642-883.html Deploying Cisco Service Provider Network Routing (SPROUTE) Question No: 81Refer to the exhibit.Routers B and C in transit AS 200 are the exit points toward AS 100 and AS 300. Router B is running Cisco IOS XR and Router C IOS XE. Internally, AS 200 runs OPSF only for internal routing. Which two methods can an engineer use Read more [...]