H12-831_V1.0 Exam Dumps - HCIP-Datacom-Advanced Routing & Switching Technology V1.0

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Question # 57

The rollback operation of project cutover can be temporarily determined according to the situation during cutover, and no advance plan is required.

True

False

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Question # 58

The Router LSA of a router is shown in the figure. Which of the following statements is wrong?

of this routerRouter IDfor10.0.12.1

This router isDR

This router has established an adjacency relationship

This router supports external route import

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Question # 59

Which of the following statements is false when troubleshooting the dual-active failure of a VRRP backup group?

No need to check deliveryVRRPWhether the switch port of the advertisement message is in the sameVLAN

need to check the interfaceVRRPGroupIDIs it the same

Interface needs to be checkedIPWhether the address is in the same network segment

need to checkVRRPgroup of virtualIPIs the address the same

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Question # 60

IS-IS is a link-state routing protocol that uses the SPF algorithm for route calculation. As shown in the figure, a campus deploys both IPv4 and IPv6 and runs IS-IS to achieve network interconnection. R2 only supports IPv4. Which of the following statements is true about the topology calculation of this network?

If you want IPv4 and IPv6 network computation to form the same shortest path tree, you need to run the ipv6 enable topology ipv6 command to enable the IPv6 capability in the IS-IS process.

By default, since R2 does not support IPv6, in the shortest path tree formed by IPv6 network calculation, the path from R1 to R4 is: R1-R3-R4

By default, IPv4 and IPv6 networks will be calculated separately to form different shortest path trees

By default, in the shortest path tree formed by IPv6 network calculation, the path from R1 to R4 is: R1-R2-R4. Since R2 does not support IPv6, R2 will directly discard IPv6 packets after receiving them, causing traffic loss.

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Question # 61

Which of the following actions may affect the normal operation of the customer's network?

Device naming

software upgrade

Hardware expansion

Routing Protocol Configuration Changes

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Question # 62

On a broadcast network, routers (including non-DIS routers) of the same level on a network segment can establish neighbor relationships. In the implementation of BFD for IS-IS, however, BFD sessions are established only between a DIS and non-DIS routers, not between non-DIS routers.

TRUE

FALSE

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Question # 63

Which of the following are advantages of VLAN aggregation?

decreasedIPwaste of address

added availableM LANquantity

Increased addressing flexibility

accomplishSub-VLANIsolation between broadcast domains

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Question # 64

0SPFV2 is an IGP running on an IPv4 network; 0SPFvV3 is an ICPO running on an IPv6 network the packet types of OSPFV3 and OSPFV2 are the same, including .Hall. message, DD message, LSU message, LSU packets and SAck packets. Which of the following statements is correct about 0SPFV3 packets?

0SPFv3Complete packet authentication using the authentication field in the packet header

OSPFV3The link-local address is used as the source address of the sent packet, and the packet can be forwarded outside the range of the originating link

OSPFv3useIPv6multicast addressFFO2::5heheFFO2:.6sendOSPFv3message

0SPFV3ofHelloThe packet carries the router interfaceIPv6address prefix list

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