400-101 Exam Dumps | Which two loop-prevention mechanisms are implemented in BGP? (Choose two.)

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Question 94/509

Which two loop-prevention mechanisms are implemented in BGP? (Choose two.)

A. A route with its own AS in the AS_PATH is dropped automatically if the route reenters its own AS.

B. A route with its own cluster ID in the CLUSTER_LIST is dropped automatically when the route reenters its own AS.

C. The command bgp allowas-in enables a route with its own AS_PATH to be dropped when it reenters its own AS.

D. The command bgp bestpath as-path ignore enables the strict checking of AS_PATH so that they drop routes with their own AS in the AS_PATH.

E. The command bgp bestpath med missing-as-worst assigns the smallest possible MED, which directly prevents a loop.

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Which two pieces of information in thi...; Question 405: Which BGP feature enables you to install a backup path in th...; Question 406: Which mechanism can be used on Layer 2 switches so that only...; Question 407: Which statement about the feasible distance in EIGRP is true...; Question 408: Where is multicast traffic sent, when it is originated from ...; Question 409: Which statement about the function of poison reverse in EIGR...; Question 410: Which two Cisco IOS AAA features are available with the loca...; Question 411: Refer to the exhibit. Which two statements about the impleme...; Question 412: What is the range of addresses that is used for IPv4-mapped ...; Question 413: Which two OSPF LSA types are flooded within the originating ...; Question 414: Refer to the exhibit. A PE router is configured with a polic...; Question 415: Which three statements describe the characteristics of a VPL...; Question 416: Which two statements about packet fragmentation on an IPv6 n...; Question 417: Which two statements about the default router settings for S...; Question 418: Which statement about VRRP is true?...; Question 419: In which two situations is an EIGRP hello packet sent as uni...; Question 420: You are configuring a DMVPN spoke to use IPsec over a physic...; Question 421: Refer to the exhibit. Which two statements are true regardin...; Question 422: Which authentication types does OSPF support?...; Question 423: Refer to the exhibit. R1 is performing mutual redistribution...; Question 424: Refer to the exhibit. What is the meaning of the asterisk (*...; Question 425: Which topology allows the split-horizon rule to be safely di...; Question 426: Which three protocols can use enhanced object tracking? (Cho...; Question 427: Which statement about NAT64 is true?...; Question 428: Refer to the exhibit. R1 is able to reach only some of the s...; Question 429: Refer to the exhibit. Which log levels are enabled for the c...; Question 430: In a network where a Layer 2 switch interconnects several ro...; Question 431: Refer to the exhibit. Which two options are effects of the g...; Question 432: Refer to the exhibit. Which two statements about how the con...; Question 433: Which address is a MAC address that is mapped from an IPv6 a...; Question 434: Which two tasks are required for configuring SNMP to send tr...; Question 435: A service provider is deploying L2VPN LAN services in its MP...; Question 436: What is the most secure way to store ISAKMP/IPSec preshared ...; Question 437: Which option describes the purpose of the PPP endpoint discr...; Question 438: Which measure does IS-IS use to avoid sending traffic with a...; Question 439: Which three address family types does EIGRP support? (Choose...; Question 440: Refer to the exhibit. Which configuration is missing that wo...; Question 441: What are the three primary components of NetFlow? (Choose th...; Question 442: You are configuring a DHCPv6 client for a DHCPv6 server with...; Question 443: Refer to the exhibit. Which statement about the output is tr...; Question 444: Refer to the exhibit. The device with this configuration is ...; Question 445: What is the VLAN ID range of VLANs that are eligible for pru...; Question 446: Which flag in a configuration BPDU instructs all switches to...; Question 447: What can PfR passive monitoring mode measure for TCP flows?...; Question 448: Refer to the exhibit. Why is network 172.16.1.0/24 not insta...; Question 449: In a PfR environment, which two statements best describe the...; Question 450: What is a cause for unicast flooding?...; Question 451: Which TCP feature allows a client to request a specific pack...; Question 452: In the DiffServ model, which class represents the lowest pri...; Question 453: Refer to the exhibit. Which statement is true?...; Question 454: Which regular expression will only allow prefixes that origi...; Question 455: Which two statements best describe the difference between ac...; Question 456: Which three modes are valid PfR monitoring modes of operatio...; Question 457: Where should the passive-interface command be used?...; Question 458: Which two mechanisms provide Cisco IOS XE Software with cont...; Question 459: A configuration includes the line ip route 10.0.0.0 255.0.0....; Question 460: Refer to the exhibit. If IS-IS is configured utilizing defau...; Question 461: Refer to the exhibit. Which type of BGP peer is 192.168.1.1?...; Question 462: Refer to the exhibit. Why is the prefix 1.1.1.1/32 not prese...; Question 463: You are implementing new addressing with EIGRP routing and m...; Question 464: Which two statements about BGP loop prevention are true? (Ch...; Question 465: Refer to the exhibit. What kind of load balancing is done on...; Question 466: Refer to the exhibit. Which action must you take to enable t...; Question 467: Which two descriptions of the keying mechanisms that are use...; Question 468: What is the function of the command ip pim autorp listener?...; Question 469: Which BGP feature allows a router to maintain its current BG...; Question 470: Refer to the exhibit. What does "(received-only)" mean?...; Question 471: Refer to the exhibit. What is wrong with the configuration o...; Question 472: Which three capabilities are provided by MLD snooping? (Choo...; Question 473: Refer to the exhibit. Router A and router B are physically c...; Question 474: Which term describes an EIGRP route that has feasible succes...; Question 475: Refer to the exhibit. Which statement about the device routi...; Question 476: Which two mechanisms can be used to eliminate Cisco Express ...; Question 477: Which three types of address-family configurations are suppo...; Question 478: Refer to the exhibit. R2 is unable to access the 172.16.1.0/...; Question 479: Which two statements about the function of the stub feature ...; Question 480: Which statement describes the function of rekey messages?...; Question 481: Which two options are two characteristics of the HSRPv6 prot...; Question 482: Refer to the exhibit. Which statement is true?...; Question 483: Which two statements about static NAT are true? (Choose two....; Question 484: The session status for an IPsec tunnel with IPv6-in-IPv4 is ...; Question 485: Refer to the exhibit. R1, R2, and R3 have full network conne...; Question 486: Which three statements are functions that are performed by I...; Question 487: A configuration includes the line ip nbar port-map SSH tcp 2...; Question 488: Which three statements about SPAN traffic monitoring are tru...; Question 489: Refer to the exhibit. Which two corrective actions could you...; Question 490: You are configuring a DMVPN hub to perform CBWFQ on a per-sp...; Question 491: Two routers are trying to establish an OSPFv3 adjacency over...; Question 492: You are installing a new device to replace a device that fai...; Question 493: Refer to the exhibit. Which OSPFv3 routes will be visible in...; Question 494: Which two parameters does the Tunnel Mode Auto Selection fea...; Question 495: Which two statements about the command distance bgp 90 60 12...; Question 496: Under Cisco IOS Software, which two features are supported i...; Question 497: Refer to the exhibit. The spokes of the DMVPN with the given...; Question 498: In which 802.1D port state are the root bridge, the root por...; Question 499: Which two statements are true about OTV? (Choose two.)...; Question 500: Refer to the exhibit. Which additional configuration is nece...; Question 501: Which two protocols does the Management Plane Protection fea...; Question 502: Which statement about the RPF interface in a BIDIR-PIM netwo...; Question 503: How many address families can a single OSPFv3 instance suppo...; Question 504: Which option is the default point of insertion for the BGP c...; Question 505: Which two packet types does an RTP session consist of? (Choo...; Question 506: On which three options can Cisco PfR base its traffic routin...; Question 507: Refer to the exhibit. What is the polling frequency set by t...; Question 508: Refer to the exhibit. ASN 64523 has a multihomed BGP setup t...; Question 509: Which three condition types can be monitored by crypto condi...

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