DON'T WANT TO MISS A THING?

Certification Exam Passing Tips

Latest exam news and discount info

Curated and up-to-date by our experts

Yes, send me the newsletter

Huawei H12-821 Exam Questions and Answers, HCIP-Datacom-Core Technology | SPOTO

SPOTO's latest exam dumps on the homepage, with a 100% pass rate! SPOTO delivers authentic Cisco CCNA, CCNP study materials, CCIE Lab solutions, PMP, CISA, CISM, AWS, and Palo Alto exam dumps. Our comprehensive study materials are meticulously aligned with the latest exam objectives. With a proven track record, we have enabled thousands of candidates worldwide to pass their IT certifications on their first attempt. Over the past 20+ years, SPOTO has successfully placed numerous IT professionals in Fortune 500 companies.
Take other online exams
Question #1
Which of the following statements about the forwarding plane of a switch is false?
A. Provides high - speed and non - blocking data channels
B. Can encapsulate and decapsulate packets
C. Can collect packet statistics
D. Consists of main control boards and interface boards
View answer
Correct Answer: C
Question #2
The router receives two BGP routes containing the following attributes, please select the optimal route according to the BGP route selection rules.
A. The optimal route is route M, because its AS_Path is shorter than route Ncorrect
B. The optimal route is route N, because its MED is smaller than route M
C. The optimal route is route N, because its AS_Path is longer than route N
D. The optimal route is route M, because its MED is larger than route N
View answer
Correct Answer: A
Question #3
Which of the following does not belong to IGP?
A. RIP
B. IS-IS
C. BGPcorrect
D. OSPF
View answer
Correct Answer: C
Question #4
The filter-policy 2000 export command is run in an ISIS process . Which of the following statements about the functions of a filter policy is false?
A. Is used together with the route import function to advertise some imported external routes to neighbors
B. If this command is not run, the device by default advertises all routes that ISIS Imports form external routing protocols
C. Controls the advertisement of routes generated by the device
D. Filters LSPs to be advertised
View answer
Correct Answer: B
Question #5
Which BGP route will send BGP neighbors without BGP path load sharing enabled?
A. All BGP routes learned from all neighbors
B. Only the best route preferred by BGPcorrect
C. Only routes learned from IBGP
D. Only routes learned from EBGP
View answer
Correct Answer: B
Question #6
The IP protocol number of the VRRP message is:
A. 116
B. 114
C. 112correct
D. 118
View answer
Correct Answer: C
Question #7
Which of the following is the default interval at which the DIS on a broadcast IS_IS network sends CSNPs.
A. 30
B. 3
C. 10correct
D. 40
View answer
Correct Answer: C
Question #8
When a routing policy is used to filter routes, which of the following route prefixes will be denied by the IP prefix below?
A. A1
B. B1
C. C1
D. D1
View answer
Correct Answer: BD
Question #9
Which of the following strategies or tools cannot be applied to OSPF?
A. access-list
B. prefix-list
C. route-policy
D. as-path filtercorrect
View answer
Correct Answer: D
Question #10
Which of the following statements regarding router ID in dynamic routing protocols is false?
A. fter a router ID changes, router ID of each protocol will change without requiring additional operations
B. f no router ID is manually configured and loopback interface addresses are configured, the largest loopback interface address is used as the router ID
C. f a router ID is manually configured using the router-id command, this router ID will be used
D. f no router ID and no loopback interface address are configured, the largest physical interface IP address is used as the router ID
View answer
Correct Answer: A
Question #11
Which of the following description about verifying whether a received Hello message is legal is wrong?
A. If the network type of the receiving port is point-to-point or virtual link, the Network Mask field is not checked
B. The RouterDeadIntera1 field in the received Hello message must be consistent with the configuration of the receiving port
C. If the network type of the receiving port is broadcast, point-to-multipoint or NBMA, the Network Mask field in the received Hello message may be inconsistent with that of the interfacecorrect
D. The E-bit in the Options field in the received Hello message must be consistent with the configuration of the relevant area
View answer
Correct Answer: C
Question #12
During the operation of the DHCP protocol, the process from when the client applies to obtain an IP address is: ① The host sends a DHCP Request to request an IP address ② Server sends DHCP Offer message response ③ The host sends a DHCP Discover message to find DHCP ④ Server 4 Server responds with ACK response request after receiving the request
A. ③ - ② - ① - ④correct
B. ① - ② - ③ - ④
C. ① - ④ - ③ - ④
D. ③ - ④ - ① - ②
View answer
Correct Answer: A
Question #13
There is a message in the BGP protocol that is periodically sent between BGP neighbors to maintain the neighbor relationship. This message is:
A. Update
B. Hello
C. open
D. Keepalivecorrect
View answer
Correct Answer: D
Question #14
A certain router runs IS-IS, and its output information is shown in the figure. Which of the following statements is wrong?
A. The System-ID of the neighbor router is 0002
B. This router is DIScorrect
C. The area code of this router is 49
D. The Router System-lD is 0100
View answer
Correct Answer: B
Question #15
When the IPv6 address of the host is configured in the stateless address configuration method, and other parameters except the address are obtained through DHCPv6, how to set the M bit and 0 bit in the RA message?
A. M=1, 0=1
B. M=0, 0=O
C. M=1, 0=O
D. M=O, 0=1correct
View answer
Correct Answer: D
Question #16
Which of the following statements about the address used by AC to establish a CAPWAP tunnel in VRRP hot backup is correct?
A. The physical address of the primary AC
B. The physical address of the standby MC
C. Any address configured in the AC is fine
D. VRRP virtual addresses of the active and standby ACscorrect
View answer
Correct Answer: D
Question #17
Which of the following description about BGP, OSPF, ISIS is correct?
A. The BGP neighbor relationship is established based on TCP sessions, and the port number used is 179correct
B. ISIS runs based on the IP protocol, using the protocol number 89
C. BGP runs based on UDP sessions, and the port number used is 179
D. OSPF runs based on the IP protocol, and the protocol number used is 90
View answer
Correct Answer: A
Question #18
Which of the following statements regarding OSPF is true?
A. AOSPF does not have an acknowledgement mechanism
B. BOSPF performs LSDB update every 30 minutes
C. COSPF uses the Bellman-Ford algorithm, and each router independently runs this algorithm
D. DOSPF floods a LSU packet at an interval of 5s
View answer
Correct Answer: B
Question #19
Which of the following descriptions about configuring roaming groups is wrong?
A. After the AC is enabled with the Master Controller function, it joins the roaming group by default and can manage other ACscorrect
B. Master Controller is a logical role that can be assumed by any common entity AC
C. Member ACs need to designate an AC as their own Master Controller
D. The Master Controller manages each AC through the CAPWAP tunnel
View answer
Correct Answer: A
Question #20
In the OSPF protocol, inter-area route calculation involves only Router LSA, Network LSA, and Summary LSA.
A. TRUEcorrect
B. FLASE
View answer
Correct Answer: A
Question #21
Which of the following does not include the advantages of address translation technology?
A. Address translation allows internal network users (private IP addresses) to easily access the Internet
B. Address translation can shield users on the internal network and improve the security of the internal network
C. Address translation can enable many hosts in the internal office network to share a P address for accessing the Internet
D. Address translation can handle the case of IP header encryptioncorrect
View answer
Correct Answer: D
Question #22
Regarding the description of network address port translation (NAP) and network address translation only (No-PAT), which of the following statements is correct?
A. No-PAT supports protocol address translation at the network layercorrect
B. No-PAT only supports protocol port translation at the transport layer
C. After NATP conversion, for external network users, all packets will only come from the same IP address
D. NAPT only supports protocol address translation at the network layer
View answer
Correct Answer: A
Question #23
Regarding the description of LSA header information in OSPF AS -External C LSA, which is wrong?
A. Link State ID indicates the destination network address
B. Forwarding Address is always 0
C. Advertising Router indicates the Router ID of ASBR
D. Net mask indicates the network mask of the destination network segment
View answer
Correct Answer: B
Question #24
??Regarding the description of LSA header information in OSPF AS -External C LSA, which is wrong?
A. Link State ID indicates the destination network address
B. Forwarding Address is always 0
C. Advertising Router indicates the Router ID of ASBR
D. Net mask indicates the network mask of the destination network segment
View answer
Correct Answer: B
Question #25
In inter-domain packet filtering, which of the following options belongs to the outbound direction?
A. trust-untrustcorrect
B. untrust-dmz
C. trust-local
D. untrust-trust
View answer
Correct Answer: A
Question #26
Which of the following statements about OSPF protocol packets is wrong?
A. The header format of all OSPF packets is the same
B. All OSPF packet headers carry the Router-ID field
C. The OSPF protocol uses five types of packets to complete the transfer of routing information
D. OSPF packets are encapsulated in UDP packets, and the port number is 89correct
View answer
Correct Answer: D
Question #27
In PIM-SM, which of the following description of RP is wrong?
A. The initial multicast streams of all groups in the shared tree are forwarded to the receiver through the RP
B. One RP can connect to multiple multicast services at the same time, and one multicast group can correspond to multiple RPs
C. RP can be responsible for the forwarding of several or all multicast groups
D. All members of the group and multicast sources that send multicast data to the group converge to the only R
View answer
Correct Answer: B
Question #28
Regarding the description of network address port translation (NAP ) and network address translation only (No-PAT), which of the following statements is correct?
A. No-PAT supports protocol address translation at the network layer
B. No-PAT only supports protocol port translation at the transport layer
C. After NATP conversion, for external network users, all packets will only come from the same IP addresscorrect
D. NAPT only supports protocol address translation at the network layer
View answer
Correct Answer: C
Question #29
On the VRP platform, when we introduce OSPF routing to ISIS, if COST is not specified, the cost value will be set to 16 by default.
A. True
B. Falsecorrect
View answer
Correct Answer: B
Question #30
Regarding the description of LSA header information in OSPF AS -External C LSA, which is wrong?
A. Link State ID indicates the destination network address
B. Forwarding Address is always 0
C. Advertising Router indicates the Router ID of ASBR
D. Net mask indicates the network mask of the destination network segment
View answer
Correct Answer: B

View Answers after Submission

Please submit your email and WhatsApp to get the answers of questions.

Note: Please make sure your email ID and Whatsapp are valid so that you can get the correct exam results.

Email:
Whatsapp/phone number:


Copyright © 2024. Designer by SPOTO Official Website. All Rights Reserved.