H12-261_V3.0 Exam Training Practice Tests (Huawei HCIE-Routing & Switching (Written) V3.0)]

Question 1

Through the following display command, you can judge which is the switch loop failure?

A.

B.

C.

D.

Correct Answer: A

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Question 2

Regarding the BGP anti-loop mechanism, which of the following statements is correct?

A. can use AS-CONFED-SET attribute prevents loops within the confederation B. Use the AS-PATH attribute between autonomous systems to prevent loops C. The ClusterList attribute is used to prevent loops in the reflector cluster. When the router finds that the ClusterList of the routing entry contains its own ClusterID, it will reject it.accept this route D. Routes learned from IBGP will not be advertised to IBGP neighbors to prevent routing loops within the AS

Correct Answer: A,B,D

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Question 3

For the description of the firewall security zone, which of the following statements is correct? (single choice)

A. The firewall's own security zone can be deleted B. Different interfaces of the waterproof wall can belong to the same security area C. Different security zones of the firewall can have the same priority D. The same interface of the firewall can belong to different security zones

Correct Answer: B

Question 4

Which of the following descriptions about BGP load sharing is wrong?

A. IBGP routes and EBGP routes to the same destination on the public network can form load balancing. B. If the destination network segment is the same, load balancing can be formed between BGP routes from different sources. C. ASs that form load-balancing equal-cost routes. The -Path property must be different. D. If BGP load balancing is implemented, pee needs to be configured when the local device advertises routes to the IBGP peer grouprnext-hop-local command only Change the next hop address to own address.

Correct Answer: A,B,C,D

Question 5

Protocols using TCP ports 443, 179, 137, 110 and 23 are

A. LDAP. SNMP TFTP. POP3. Telnet B. HTTPS.SNMP.POP3.DNS.Telnet C. Finger, DHCP Server, Netbios Name Server, POP3, Telnet D. HTTPS.BGP NetbiosNameServer POP3.Telnet E. BGP. POP3. SNMP, TFTP. Telnet

Correct Answer: D

Question 6

In BGP/MPLS IP VPN, if the OSPF protocol is used to exchange routing information between PE and CE, the domain identifier (Domain ID) is used to distinguish whether the route imported in the VPN instance comes from the same OSPF domain.

A. FALSE B. TRUE

Correct Answer: B

Question 7

The following description about BGP loop protection is correct: (multiple choice)

A. Through AS-PATH attribute, discarding any updates received from EBGP peers that contain their own AS number in the AS-PATH attribute B. Any updates from IBGP peers. Routing information from peers will be advertised to other IBGP peers C. Non-RR BGP The router will not advertise anything from the IBGP Updates from peers to other IBGsP peer D. A BGP router will not announce any updates from EBGP peers to its EBGP peers.

Correct Answer: A,C

Question 8

Four routers run IS-IS and have established adjacency relationship. The area number and router level are marked as shown in the figure. If route penetration is configured on the R3 device, what is the Cost value of R4 reaching 10.0.2.2/32?

A. 80 B. 30 C. 40 D. 50

Correct Answer: D

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Question 9

Regarding the description of the security level of the firewall security zone, what is wrong?

A. For a newly created security zone, the system defaults to its security level of 1 B. In the same system, two security zones are not allowed to configure the same security level C. Only the security level can be set for a custom security zone D. Once the security level is set, it is not allowed to change

Correct Answer: D

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Question 10

If the PIM-SM protocol is run in the multicast network, RP needs to be configured. The configuration methods of RP are divided into dynamic RP and static RP. The following description of RP configuration is correct:

A. configure staticWhen an RP is used, the BSR needs to be configured to advertise RP information. B. configure staticRP information needs to be specified on all PIM routers. C. configure dynamicWhen the RP is used, the BSR needs to be configured as the backup of the RP. D. configure dynamicWhen the RP is used, no BSR needs to be configured.

Correct Answer: B

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Question 11

Regarding the way devices process packets in the MPLS network model, which of the following descriptions is wrong?

A. The device will discard the IP packets entering the MPLS domain. B. Both LER and LSR do label distribution. C. The label forwarding path LSP is determined and established through various protocols during packet forwarding. D. The label is definitely not peeled off on the LSR.

Correct Answer: A,C,D

Question 12

What is wrong about the description of the permanent multicast address?

A. All running PIM Protocol routers are listening 224.0.0.100 B. All routers are listening 224.0.0.2 C. All running OSPF Protocol routers are listening 224.0.0.5 D. All hosts and routers in the network segment are listening 224.0.0.1

Correct Answer: A

Question 13

Which of the following descriptions about OSPFV3 packets is correct?

A. The LSR packet contains the complete LSA header information and is used to request to update the LSA B. The Hello packet must contain the interface ID of the sending interface C. The Option field of Hello and DD packets is extended to 24 bits D. The LSACK message contains the LSA header information to confirm receipt of the LSU message

Correct Answer: B,C,D

Huawei HCIE-Routing & Switching (Written) V3.0 - H12-261_V3.0 Exam Practice Test