HCIP-Datacom-Core Technology V1.0 Exam Updated H12-821_V1.0 Practice Exam Questions

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HCIP-Datacom-Core Technology V1.0 H12-821_V1.0 exam is one of the two exams for HCIP-Datacom-Advanced Routing & Switching Technology V1.0 certification. Updated H12-821_V1.0 practice exam questions provided by ITExamShop could be the best study materials online to help the candidates prepare for HCIP-Datacom-Core Technology V1.0 certification exam well. Huawei H12-821_V1.0 exam questions are well-designed that may enable you to in earning the HCIP-Datacom-Core Technology V1.0 certification exam in the first try. With updated H12-821_V1.0 exam questions, you can prepare for the H12-821_V1.0 exam with the pdf file to read all the questions and answers anywhere any time. These H12-821_V1.0 practice exam questions with verified answers have been verified and compiled by the team of ITExamShop, who ensure that you can guarantee your success.

Free H12-821_V1.0 Demo Questions Are Below To Check The Updated H12-821_V1.0 Exam Questions

Page 1 of 3

1. Using the authentication in BGP configuration, how to configure?

The same MD5 password must be used between a pair of BGP peers

All routers in the AS must use the same password

All BGP peers on a router must use the same password

All routers in the same AS must use the same password

2. About the description of Network Address Port Translation (NAPT) and the Translate only network addresses (No-PAT), which of the following statement is true?

No-PAT supports protocol address translation at the network layer

No-PAT only supports protocol port conversion at the transport layer

After NATP translation, for external users, all messages will only come from the same 1P address

NAPT only supports protocol address translation at the network layer

3. When configuring the BGP, if such a warning is generated: " BGPI6ESTABLISHED:OID[oid] The BGP FSM enters the Establishedstate”, which of the following description is true?

Indicates that the BGP neighbor has been established

The warning message is abnormal and must be dealt with

Explain that this type of alarm is generated due to TCP problems

Explain that there is a problem due to OPEN message negotiation between BGP neighbors

4. The following information is the output of a router, which of the following regarding the information is true?

The community attribute value carried by the destination network segment 1.1.1.0/24 is no-export, indicating that the route entry cannot be advertised to any BGP neighbors

The community attribute value carried by the destination network segment 5.1.1.0/24 is no-advertise, indicating that the route entry cannot be advertised to any other BGP peers

The community attribute value carried by the destination network segment 1.1.1.0/24 is no-export, indicating that the route entry can be advertised to any BGP neighbor

The community attribute value carried by the destination network segment 5.1.1.0/24 is no-advertise, indicating that the route entry cannot be advertised outside the local AS

5. As shown is an IP packet header, which of the following statement is true?

The protocol number is 51, which means that the packet after the IP Header is the AH header

The packet must be an IPsec VPN packet installed only with AH

The protocol number 51, which means that the message after the IP Header is the ESP header

The message is a lpsec VPN message, and the data part of the message is encrypted

6. Which of the following statement about OSPF neighbor information is incorrect?

The router id of the neighbor is 2.2.2.2

This router is Master

The address of DR is 10.1.1.1

The router id of this router is 1.1.1.1

7. As shown in the figure, four routers in the same LAN are running lS-IS, where R1 is DIS, then R2, R3, R4 establish adjacency relationship with R1 respectively, and no adjacency relationship is established between R2, R3, and R4.

True

False

8. Which of the following is not the main function of NDP?

Path MTU discovery

Neighbor status tracking

Duplicate address detection

Address

9. Which of the following does not belong to the IGP?

RIP

IS-IS

BGP

OSPF

10. The following is the BGP information output by a router. Which of the following rearding the description of this information is wrong?

The Router ID of the router is 1.1.1.9

The display bgp network command is used to display the routing information advertised by BGP through the network (BGP)

The AS number of the router is 10

The router introduced the network segment 4.4.4.0/24 through the import-route command

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11. Compared with routers and switchies, what are the unique modules for firewall forwarding?

Switching network board

MPU

LPU

SPU

12. As shown in the figure, SWA, SWB, and SWC all run RSTP. What are the port roles of the GEO/O/2 port on SWB and the GEO/D/1 port on SWC?

Backup port, Root port

Alternative port, Backup port

Root port, Designate port

backup port, alternative port

13. The following is part of the output information of the Huawei router, regarding the output information, which of the following description is incorrect?

PIM-SM running on the gigabitethernet 1/0/0 interface of the router

The PIM state of the router gigabitethernet 1/0/0 running interface is UP

The router gigabitethernet 1/0/0 interface is running PIMv2

The DR on the interface is 10.1.1.1

14. Which of the following strategies or tools cannot be applied to OSPF?

access-list

prefix-list

route-policy

as-path filter

15. Which of the following attacks is not a network layer attack?

ICMP attack BA RP spoofing attack

IP spoofing attack

Smurf attack

16. About the description of the Keepalive message of BGP, which of the following is incorrect?

Keepalive packet contains only one BGP data header

By default, the keepalive interval is 180s

Keepalive messages are mainly used to confirm the operating status of peer routers and the availability of links

Keepalive is periodically sent between two BGP neighbors

17. A network engineer outputs the following information when troubleshooting the OSPF protocol. Based on this to determine which cause the adjacency relationship cannot be established normally?

The area code does not match

Process numbers are discordance

The IP address code of the interface is discordance

Router ID conflict

18. Regarding the OSPF protocol packets, which of the following statement is false?

The OSPF protocol uses five types of messages to complete the transmission of routing information

All OSPF packet headers carry the Router-ID field

OSPF packets are encapsulated in UDP packets, and the port number is 89

The header format of all OSPF packets is the same

19. BGPAS_PATH property is a selectable transition property.

True

False

20. As shown in the figure, the stateful inspection firewall will forward the second TCP three-way handshake message in the figure.

True

False

Page 3 of 3

21. Regarding the description of OSPF neighbor relationship and adjacency relationship, which of the following statement is true?

The adjacency is maintenance by the DD message of OSPF

OSPF routers must establish an adjacency before exchanging Hello packets

Neighbor relationship is a relationship selected from adjacency relationships for the purpose of exchanging routing information

Not all neighbor relationships can become adjacency relationships

22. Regarding the description of the Hello message in PIM-SM, which of the following is false?

The routers periodically use Hello messages to keep in touch

In the PIM-SM network, the newly started multicast router needs to use Hello messages to discover neighbors and maintain neighbor relationships

The Hello message is sent to the multicast address 224.0.0.5

Election of DR in multi-router network segment through Hello message

23. In the case of without enabling BGP path load sharing, which BGP routes will be sent to BGP neighbors?

All BGP routes learned from all neighbors

Only the best route preferred by BGP

Only routes learned from IBGP

Only routes learned from EBGP

24. The four routes are running lS-IS and the adjacency relationship has been established, the level of the area number and routers as shown, which of the following statements is true?

The LSP of R4 does not exist in the LSDB of the R1 router

The LSP of R3 does not exist in the LSDB of the R2 router

The LSP of R4 does not exist in the LSDB of the R3 router

The LSP of R4 does not exist in the LSDB of the R2 router

25. Which of the following tools is used to filter routing information and set routing attributes for the routing information that passes the filter?

route-policy

as-path-filter

policy-based-route

IP-prefix

26. The following is a part of the configuration of a router, which of the following regarding the configuration is true?

The packet with the source address of 1.1.1.1 matches the first ACL statement rule 0, and the matching rule is allow.

The packet with source address of 1.1.1.3 matches the third ACL statement rule 2, and the matching rule is deny.

The data packet with the source address of 1.1.1.4 matches the fourth ACL statement rule 3, and the matching rule is allow.

The packet with the source address of 1.1.1.2 matches the second ACL statement rule 1, and the matching rule is allow

27. As shown in the figure, the stateful inspection firewall will forward the message because the message conforms to the firewall session state.

True

False

28. Four routers are running IS-S and the adjacency relation has been established, and the level of area number and router are marked as shown, which of the following statements are true?

Both R2 and R3 will have the Level-1’s LSP of ATT set

R1 does not have the LSP generated by R4, so R1 can only communicate with R4 through the default route

Both R2 and R3 will have the Level-1’s LSP of ATT set

R2 and R3 learn default routes from each other, and there is a routing loop in this network

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HCIP-Datacom-Core Technology V1.0 Exam Updated H12-821_V1.0 Practice Exam Questions

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