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Exam Code:	642-887
Exam Name:	Implementing Cisco Service Provider Next-Generation Core Network Services
Certification Provider:	Cisco
Free Question Number:	127
Version:	v2018-03-09
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# of Questions views:	31738
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Exam Question List: Question 1: On a Cisco IOS XR router, which mechanism protects the route...; Question 2: (Exhibit) Refer to the partial Cisco IOS XR configurations e...; Question 3: Which field in the MPLS shim header is used to support diffe...; Question 4: You are tasked to enable LDP on many of the interfaces on th...; Question 5: On Cisco routers, how is hierarchical QoS implemented?...; Question 6: Which three options can an engineer select for a traffic pol...; Question 7: On Cisco routers, which QoS marker is only locally significa...; Question 8: A network operations center analyzes a Wireshark capture and...; Question 9: DS-TE implementations on Cisco routers support which bandwid...; Question 10: An engineer is working in a service provider environment to ...; Question 11: Which three statements are correct regarding ping mpls comma...; Question 12: Which two traffic types are recognized by NBAR default confi...; Question 13: What is the term that is used for the label that an LSR assi...; Question 14: Which three network services can be implemented using MPLS w...; Question 15: Which item is not available to be used for QoS classificatio...; Question 16: Which three conditions can occur when metering traffic using...; Question 17: When implementing MPLS TE tunnels on Cisco IOS XR routers, w...; Question 18: Which Cisco IOS XR command should be used in order to enable...; Question 19: Which option is the appropriate method for CBWFQ WRED implem...; Question 20: Layer 2 VPN services that are offered by traditional service...; Question 21: A service provider recently defined new SLA services that pr...; Question 22: Which three mechanisms are used to implement MPLS TE? (Choos...; Question 23: When a link flaps, an mpls ldp session will also flap. Which...; Question 24: The network architecture team is proposing to enable Cisco M...; Question 25: When defining an explicit MPLS TE tunnel path, which two com...; Question 26: An LDP session is established between two neighbors. Over wh...; Question 27: On the Cisco IOS XR, when using the match protocol command w...; Question 28: Which affinity value will be matched by the affinity bit mas...; Question 29: How many labels does an MPLS packet have, with a bottom-of-s...; Question 30: (Exhibit) Referring to the Cisco IOS XR show command output ...; Question 31: What is the correct formula for determining the CIR?...; Question 32: An engineer is setting up a routing instance to route the tr...; Question 33: Scenario: (Exhibit) On CE7 which statement is correct regard...; Question 34: (Exhibit) Refer to the exhibit. Which configuration error pr...; Question 35: Scenario: (Exhibit) On P2IOS-XR router what is targeted LDP ...; Question 36: Which two statements are correct in describing ISP environme...; Question 37: Within the service provider core network, which two QoS mech...; Question 38: Which QoS technique can be used to protect customer traffic ...; Question 39: Which three statements are correct regarding a Cisco MPLS TE...; Question 40: (Exhibit) Refer to the Cisco IOS XR policy-map configuration...; Question 41: Which option is a Cisco-recommended congestion management or...; Question 42: Given this configuration of an interface for MPLS traffic en...; Question 43: Cisco MPLS TE tunnels recently have been deployed to minimiz...; Question 44: Which statement describes the QoS behavior between P and PE ...; Question 45: An engineer wants to extend the trust boundary to a Cisco IP...; Question 46: Which four options are methods by which labels can be assign...; Question 47: In Cisco MPLS TE implementations, what can cause the tunnel ...; Question 48: (Exhibit) Referring to the Cisco IOS XR configuration exhibi...; Question 49: Which configuration fulfills the requirement of configuring ...; Question 50: (Exhibit) Refer to the exhibit. From which table was the inf...; Question 51: Which three commands are used to troubleshoot why IP packets...; Question 52: On the Cisco ASR9K router, when using the bandwidth command ...; Question 53: A network engineer must analyze RSVP-TE signaling on a syslo...; Question 54: Select and Place: (Exhibit); Question 55: (Exhibit) Referring to the traceroute output exhibit that is...; Question 56: (Exhibit) Refer to the exhibit. XR2 needs to have LDP config...; Question 57: (Exhibit) Only based on the Cisco IOS XR policy-map configur...; Question 58: Scenario: (Exhibit) On CE 7 router, which statement is corre...; Question 59: Scenario: (Exhibit) After reviewing present router configura...; Question 60: In which two Cisco IOS XR configuration modes can mpls ldp i...; Question 61: Which Cisco IOS XR command should be used in order to enable...; Question 62: An engineer must automatically copy the IP Prec/DiffServ PHB...; Question 63: An engineer has been tasked to configure a guaranteed 10 Mbp...; Question 64: Which option describes what happens when a labelled packet w...; Question 65: Which two considerations are important when implementing a C...; Question 66: Which Cisco IOS XR high-availability feature is used to prev...; Question 67: Which two characteristics describe the difference between MP...; Question 68: When troubleshooting LDP operations on the Cisco IOS and IOS...; Question 69: When configuring class-based WRED on Cisco routers, which WR...; Question 70: Which are typical class-based marking policies that are impl...; Question 71: Which three steps are required to configure QPPB on Cisco IO...; Question 72: What are the four fields inside the MPLS shim header? (Choos...; Question 73: Which protocol is used to send MPLS OAM traffic over an MPLS...; Question 74: Which method is used to mark traffic matched by class-map MY...; Question 75: Which option is the appropriate way to configure a color-awa...; Question 76: Which two fields are in the traffic engineering topology dat...; Question 77: Cisco MPLS TE path setup can be affected by which three tunn...; Question 78: Select and Place: (Exhibit); Question 79: Which four options describe the functions of the control wor...; Question 80: Which three options are class maps able to match? (Choose th...; Question 81: LDP session protection uses which one to maintain the LDP se...; Question 82: Which four pieces of information are stored for each prefix ...; Question 83: Select and Place: (Exhibit); Question 84: A DSCP value of 41 in decimal corresponds to which IP preced...; Question 85: Scenario: (Exhibit) From the PE8 router, how many total pref...; Question 86: An engineer is allocating a determined amount of bandwidth t...; Question 87: According to the Intserv model, which two options are traffi...; Question 88: A network operations center requests support to configure a ...; Question 89: Scenario: (Exhibit) On the PE8-router what is the label valu...; Question 90: Select and Place: (Exhibit); Question 91: Which QoS mechanism is used for congestion avoidance?...; Question 92: Scenario: (Exhibit) On PE7 which statement is correct regard...; Question 93: The Cisco IOS and IOS XE qos pre-classify command allows whi...; Question 94: Which Cisco IOS XR command should be used to identify if MPL...; Question 95: A network engineer must make a reservable maximum bandwidth ...; Question 96: On the Cisco IOS XR, which MQC configuration is different th...; Question 97: When using the tunnel mpls traffic-eng path-option 1 explici...; Question 98: On Cisco routers, which three methods can be used to map tra...; Question 99: In an IPv6 header, what does a flow label of zero indicate?...; Question 100: A network engineer must design a core network routing domain...; Question 101: Which two of the following statements are correct regarding ...; Question 102: Select and Place: (Exhibit); Question 103: (Exhibit) Refer to the exhibit. Based on the raw format of a...; Question 104: An engineer has been tasked to configure a guaranteed 2 Mbps...; Question 105: (Exhibit) Referring to the show output exhibit, which statem...; Question 106: With unmanaged CE routers, at which point in the service pro...; Question 107: When implementing Cisco MPLS TE, the constrained-based path ...; Question 108: Select and Place: (Exhibit); Question 109: Cisco MPLS TE resource attributes that are configured locall...; Question 110: (Exhibit) Referring to the Cisco IOS XR show command output ...; Question 111: When implementing CBWFQ, where should Weighted Random Early ...; Question 112: What is an important requirement with MPLS applications like...; Question 113: Which two features are used to provide Cisco MPLS TE node an...; Question 114: The Cisco IOS and IOS XE qos pre-classify command allows whi...; Question 115: Which statement is correct regarding the default MPLS TTL be...; Question 116: When implementing MPLS DS-TE on Cisco IOS XR routers, all ag...; Question 117: Which two network devices are trusted endpoints in a network...; Question 118: The regional operation center deploys a Cisco MPLS TE tunnel...; Question 119: On a Cisco router, when will the router actually reserve the...; Question 120: A company asks an engineer to provide an explanation for imp...; Question 121: Implementing IPoDWDM interfaces on Cisco CRS routers elimina...; Question 122: When configuring LLQ (strict priority queue) on a traffic cl...; Question 123: An engineer is tasked to deploy Fast Reroute for Cisco MPLS ...; Question 124: Which method maps MPLS EXP bit 5 to COS 5 on Cisco IOS XE?...; Question 125: Which configuration can a network engineer use to establish ...; Question 126: Refer to the Cisco IOS XR configuration exhibit. (Exhibit) W...; Question 127: Which three fields must be the same in an IPv6 header to con...

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