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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:	160
Version:	v2018-04-02
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# of Questions views:	40955
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Exam Question List: Question 1: Referring to the Cisco IOS XR show command output exhibit, (...; Question 2: The Cisco IOS and IOS XE qos pre-classify command allows whi...; Question 3: Which option is the appropriate method for CBWFQ WRED implem...; Question 4: Which option is a Cisco-recommended congestion management or...; Question 5: An engineer deployed a Cisco MPLS TE next-hop protection ove...; Question 6: Which two values must be specified in a Cisco NBAR configura...; Question 7: DRAG DROP Referring to Cisco MPLS TE path setup operations u...; Question 8: Referring to the show output exhibit, which statement is cor...; Question 9: Instructions: Enter the proper CLI commands and analysis the...; Question 10: You are tasked to enable LDP on many of the interfaces on th...; Question 11: Refer to the exhibit. This WRED policy configuration is impl...; Question 12: An engineer sets up QoS over MPLS networks. How many classes...; Question 13: Which three options are class maps able to match? (Choose th...; Question 14: Which IOS XR Software feature supports establishing point-to...; Question 15: Refer to the partial Cisco IOS XR configurations exhibit for...; Question 16: Which QoS technique can be used to protect customer traffic ...; Question 17: Instructions: Enter the proper CLI commands and analysis the...; Question 18: Which method is used to mark traffic matched by class-map MY...; Question 19: Which option is the correct definition of the LB on a Cisco ...; Question 20: Which configuration can a network engineer use to establish ...; Question 21: What is the function of MPLS FRR?...; Question 22: When troubleshooting LDP operations on the Cisco IOS and IOS...; Question 23: When using the tunnel mpls traffic-eng path-option 1 explici...; Question 24: What is the term that is used for the label that an LSR assi...; Question 25: Which class-map configuration selects the following traffic?...; Question 26: Refer to the exhibit/ While configuring traffic shaping, you...; Question 27: An engineer is deploying CB-WRED across the entire core netw...; Question 28: Cisco MPLS TE path setup can be affected by which three tunn...; Question 29: Which three commands are used to troubleshoot why IP packets...; Question 30: DS-TE implementations on Cisco routers support which bandwid...; Question 31: In which two Cisco IOS XR configuration modes can mpls ldp i...; Question 32: Instructions: Enter the proper CLI command and analysis the ...; Question 33: Which two values are class-selector DSCP values? (Choose two...; Question 34: Which four options are methods by which labels can be assign...; Question 35: Which message is sent through the desired LSP path by the he...; Question 36: A network engineer must make a reservable maximum bandwidth ...; Question 37: When implementing Cisco MPLS TE, the constrained-based path ...; Question 38: Refer to the exhibit. You are about to implement security fe...; Question 39: Which three conditions can occur when metering traffic using...; Question 40: Which are typical class-based marking policies that are impl...; Question 41: Which three statements are correct regarding a Cisco MPLS TE...; Question 42: When implementing MPLS TE tunnels on Cisco IOS XR routers, w...; Question 43: A service provider runs MPLS in its core. What is the relati...; Question 44: On a Cisco router, when will the router actually reserve the...; Question 45: Which statement defines how MPLS LDT Graceful Restart works ...; Question 46: Which Cisco IOS XR command should be used to identify if MPL...; Question 47: In Cisco MPLS TE implementations, what can cause the tunnel ...; Question 48: Instructions: Enter the proper CLI commands and analysis the...; Question 49: A recent analysis of a service provider network infrastructu...; Question 50: An engineer wants to extend the trust boundary to a Cisco IP...; Question 51: How many labels does an MPLS packet have, with a bottom-of-s...; Question 52: Which affinity value will be matched by the affinity bit mas...; Question 53: Refer to the exhibit. Which configuration error prevents thi...; Question 54: The network architecture team is proposing to enable Cisco M...; Question 55: Which two fields are in the traffic engineering topology dat...; Question 56: Which three fields must be the same in an IPv6 header to con...; Question 57: Which queuing mechanism should an engineer implement on dela...; Question 58: At which layer does Cisco recommend the QoS trust boundary b...; Question 59: What is an important requirement with MPLS applications like...; Question 60: When configuring LLQ (strict priority queue) on a traffic cl...; Question 61: Instructions: Enter the proper CLI command and analysis the ...; Question 62: Which method maps MPLS EXP bit 5 to COS 5 on Cisco IOS XE?...; Question 63: A service provider experiences routing issues in a customer ...; Question 64: Which two characteristics describe the difference between MP...; Question 65: Which three options can an engineer select for a traffic pol...; Question 66: DRAG DROP Drag the MPLS Diff-Serv tunneling mode on the left...; Question 67: Referring to the Cisco IOS XR configuration exhibit, (Exhibi...; Question 68: Which configuration fulfills the requirement of configuring ...; Question 69: Implementing IPoDWDM interfaces on Cisco CRS routers elimina...; Question 70: Refer to the exhibit. What happens to the traffic that excee...; Question 71: Which statement is correct regarding the default MPLS TTL be...; Question 72: A network architect recently deployed AToM solutions for lar...; Question 73: Which two interface types can support qos pre-classify (Choo...; Question 74: Which Cisco IOS XR high-availability feature is used to prev...; Question 75: Instructions: Enter the proper CLI command and analysis the ...; Question 76: What is a primary difference between QoS operations on IOS a...; Question 77: In an IPv6 header, what does a flow label of zero indicate?...; Question 78: DRAG DROP You create an MPLS TE tunnel in IOS XR Software an...; Question 79: Which four options describe the functions of the control wor...; Question 80: On the Cisco IOS XR, which MQC configuration is different th...; Question 81: An engineer is having a problem getting an operational 10 Gi...; Question 82: Which three mechanisms are used to implement MPLS TE? (Choos...; Question 83: You are configuring MPLS LDP in a new network segment and no...; Question 84: Refer to the Cisco IOS XR policy-map configuration exhibit. ...; Question 85: DRAG DROP Drag the QoS model on the left to match its correc...; Question 86: Which two of the following statements are correct regarding ...; Question 87: A network operations center analyzes a Wireshark capture and...; Question 88: DRAG DROP Drag each of the QoS mechanisms on the left to mat...; Question 89: An engineer has been tasked to configure a guaranteed 10 Mbp...; Question 90: Which four pieces of information are stored for each prefix ...; Question 91: Refer to the exhibit. From which table was the information o...; Question 92: Which two traffic types are recognized by NBAR default confi...; Question 93: An engineer has been tasked to configure a guaranteed 2 Mbps...; Question 94: How is bandwidth recalculated when utilizing the automatic b...; Question 95: What are the four fields inside the MPLS shim header? (Choos...; Question 96: On a Cisco IOS XR router, which mechanism protects the route...; Question 97: Refer to the Cisco IOS XR configuration exhibit. (Exhibit) W...; Question 98: On Cisco routers, how is hierarchical QoS implemented?...; Question 99: LDP session protection uses which one to maintain the LDP se...; Question 100: (Exhibit) Referring to the Cisco IOS XR show command output ...; Question 101: Which QoS mechanism is used for congestion avoidance?...; Question 102: The regional operation center deploys a Cisco MPLS TE tunnel...; Question 103: Which three network services can be implemented using MPLS w...; Question 104: (Exhibit) Refer to the exhibit. MPLS TE Tunnel 138 has a hea...; Question 105: Which statement describes the QoS behavior between P and PE ...; Question 106: Only based on the Cisco IOS XR policy-map configuration exhi...; Question 107: Which two considerations are important when implementing a C...; Question 108: An engineer is allocating a determined amount of bandwidth t...; Question 109: (Exhibit) Refer to the exhibit. Which two commands can be us...; Question 110: On Cisco routers, which three methods can be used to map tra...; Question 111: (Exhibit) Refer to the exhibit. XR2 needs to have LDP config...; Question 112: Which two protocols facilitate label bindings by neighboring...; Question 113: Given this configuration of an interface for MPLS traffic en...; Question 114: On Cisco routers, which QoS marker is only locally significa...; Question 115: When implementing MPLS DS-TE on Cisco IOS XR routers, all ag...; Question 116: A DSCP value of 41 in decimal corresponds to which IP preced...; Question 117: Refer to the exhibit. Which result occurs from this configur...; Question 118: On the Cisco IOS XR, when using the match protocol command w...; Question 119: Which two advantages are reasons that service providers migh...; Question 120: A network operations center requests support to configure a ...; Question 121: An LDP session is established between two neighbors. Over wh...; Question 122: A network engineer wants to implement QoS in an environment ...; Question 123: Which two statements are correct in describing ISP environme...; Question 124: A network engineer must design a core network routing domain...; Question 125: An engineer is tasked to deploy Fast Reroute for Cisco MPLS ...; Question 126: A company is experiencing congestion on Internet T1 links th...; Question 127: (Exhibit) Refer to the exhibit. Based on the raw format of a...; Question 128: Which two options are true regarding the Pipe and Short Pipe...; Question 129: Which two features are used to provide Cisco MPLS TE node an...; Question 130: Instructions: Enter the proper CLI command and analysis the ...; Question 131: The Cisco IOS and IOS XE qos pre-classify command allows whi...; Question 132: Which feature should you configure to enable routers to main...; Question 133: Which protocol is used to send MPLS OAM traffic over an MPLS...; Question 134: With unmanaged CE routers, at which point in the service pro...; Question 135: Which three steps are required to configure QPPB on Cisco IO...; Question 136: According to the Intserv model, which two options are traffi...; Question 137: Which option describes what happens when a labelled packet w...; Question 138: Which option describes the IPv6 flow label field?...; Question 139: Which field in the MPLS shim header is used to support diffe...; Question 140: When a link flaps, an mpls ldp session will also flap. Which...; Question 141: A customer MPLS domain recently required an excessive time t...; Question 142: Which Cisco IOS XR command should be used in order to enable...; Question 143: In Cisco IOS, what must be configured to ensure that an MPLS...; Question 144: Which option describes the function of an IPv6 flow label?...; Question 145: Which two factors must you consider when configuring MPLS EX...; Question 146: Which high-availability feature does not require communicati...; Question 147: Which two network devices are trusted endpoints in a network...; Question 148: Which configuration set enables outbound label filtering so ...; Question 149: When configuring class-based WRED on Cisco routers, which WR...; Question 150: Which option is the appropriate way to configure a color-awa...; Question 151: On the Cisco ASR9K router, when using the bandwidth command ...; Question 152: A service provider recently defined new SLA services that pr...; Question 153: Which item is not available to be used for QoS classificatio...; Question 154: Which affinity and mask value will match the link affinity t...; Question 155: Refer to the exhibit. A network engineer who is working for ...; Question 156: Refer to the exhibit. What is the available reservable bandw...; Question 157: An engineer is setting up a routing instance to route the tr...; Question 158: Referring to the traceroute output exhibit that is shown, (E...; Question 159: Which of the following three statements are correct regardin...; Question 160: Cisco MPLS TE tunnels recently have been deployed to minimiz...

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