Download the Latest H12-821_V1.0-ENU Dumps - 2025 H12-821_V1.0-ENU Exam Questions
Latest Huawei H12-821_V1.0-ENU Certification Practice Test Questions
Huawei H12-821_V1.0-ENU (HCIP-Datacom-Core Technology V1.0) Exam is a certification exam that is designed to test the knowledge and skills of IT professionals who work with core network technologies. H12-821_V1.0-ENU exam is part of the Huawei Certified ICT Professional (HCIP) certification program, which is a globally recognized certification that demonstrates an individual's expertise in ICT technologies. The HCIP-Datacom-Core Technology certification is aimed at IT professionals who work with data communication networks and have experience with advanced routing and switching technologies.
Huawei H12-821_V1.0-ENU (HCIP-Datacom-Core Technology V1.0) Certification Exam is a professional certification exam offered by Huawei. It is designed to test the knowledge and skills of individuals who are interested in pursuing a career in data communication and network technology. H12-821_V1.0-ENU exam tests the candidate's ability to design, implement, and troubleshoot data communication networks using Huawei's core technology.
NEW QUESTION # 380
Which of the following statement about equipment for the exchange of forwarding plane is incorrect?
- A. Realize packet encapsulation and decapsulation
- B. Composed of main control board and interface board
- C. Provide high-speed non-blocking data channels
- D. Statistics of messages can be realized
Answer: B
NEW QUESTION # 381
About RP, which of the following statement is correct? (Multiple choice)
- A. All routers in the PIM-SM network need to know the location of the RP
- B. RP is elected by the BSR router
- C. The RP in the PIM-SM network can only be specified manually
- D. RP is the root of the RPT tree
Answer: A,D
NEW QUESTION # 382
Which of the following descriptions about N+1 backup is correct?
- A. The product models of the active and backup ACs can be different, but it is recommended to ensure that the software versions of the ACs are consistent.
- B. N+1 backup is a cold backup and backs up AP information and STA information.
- C. The models and software versions of the active and standby ACs must be exactly the same.
- D. One backup AC can provide backup services for multiple main ACs, reducing the cost of purchasing equipment, and its reliability is higher than VRRP dual-machine hot backup.
Answer: A
NEW QUESTION # 383
On the VRP platform, when we introduce OSPF routing to ISIS, if COST is not specified, the cost value will be set to 16.
- A. False
- B. True
Answer: A
NEW QUESTION # 384
Which of the following descriptions of BGP features are correct? (Multiple choice)
- A. Periodic routing updates
- B. Able to carry large amounts of routing information and support large-scale networks
- C. Can support MPLS/VPN applications and deliver customer VPN routes
- D. Use TCP as the transport layer protocol
Answer: B,C,D
NEW QUESTION # 385
To modify the OSPF network type of an interface under the interface, you need to restart the device or reset ospf , otherwise ospf will not take effect.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION # 386
In a WLAN networking scenario, in VRRP dual-machine hot backup, only the primary AC is responsible for business operation. When the primary AC fails, the backup AC will take over the business operation from the primary AC.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 387
As shown in the figure, router R has static routes to three network segments of Site A, Site B, and Site C respectively. The administrator needs to configure to import the routes of Site A and Site B into the OSPF Domain. Please set The commands for configuring RE are completed below.
1:______
2:______
3:______
(English, all lowercase)
Answer:
Explanation:
permit
permit
if-match
NEW QUESTION # 388
The four routers run IS-IS and have established adjacency. The area numbers and router levels are marked in the figure. The link between R1 and R2 is a PPP link, and R2 is DIS. Which of the following statements is correct? (Multiple choice)
- A. If R1 sends an LSP message, R2 needs to send PSNP for confirmation
- B. R2 sends the LSP to R3 and R4 in unicast mode
- C. R3 periodically sends CSNP to help achieve Level-2 LSDB synchronization
Answer: A,C
NEW QUESTION # 389
Which of the following functions is implemented using NDP 135/136 type messages?
- A. Address resolution
- B. Router Discovery
- C. Duplicate address detection
- D. Neighbor Status Tracking
Answer: D
NEW QUESTION # 390
Regarding the LSA header information on the AS-External-LSA of OSPF, which of the following statement is incorrect?
- A. Advertising Router represents the Router ID of ASBR
- B. Link State lD represents the destination network address
- C. Net mask represents the net mask of the destination network segment
- D. Forwarding Address is always 0.0.0.0
Answer: D
NEW QUESTION # 391
There is an existing wireless access controller as a DHCP relay. If the DHCP client cannot dynamically obtain an IP address, which of the following reasons may be the cause? (Multiple choice)
- A. In the global view of the wireless access controller, no DHCP server group is bound
- B. In the interface view of the wireless access controller, no proxy DHCP server is specified
- C. In the global view of the wireless access controller, the DHCP server function is not enabled
- D. In the interface view of the wireless access controller, no dhcp select relay is configured
Answer: A,B,C,D
NEW QUESTION # 392
As shown in the figure, the output information of R1 is as follows, then the Router ID of the neighbor router of R1 is () (Multiple choice)
Answer:
Explanation:
10.0.2.2
NEW QUESTION # 393
The ABR in the OSPF stub area does not flood the fifth type LSA and the fourth type LSA into the stub area, and draws a default LSA to the stub area to guide how data packets reach the destination outside the AS
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 394
In PIM-DM, the assertion mechanism is to ensure that only one multicast router forwards multicast packets in the shared network segment.
Which of the following parameters are the conditions for electing Assert Winner? (Multiple choice)
- A. Interface IP address
- B. Overhead
- C. Unicast routing priority
- D. Router ID
Answer: A,B,C
NEW QUESTION # 395
Which of the following does not include the advantages of address translation technology?
- A. Address translation can shield users on the internal network and improve the security of the internal network.
- B. Address translation can enable many hosts in the internal office network to share a P address for accessing the Internet.
- C. Address translation can handle the case of IP header encryption
- D. Address translation allows internal network users (private IP addresses) to easily access the Internet
Answer: C
NEW QUESTION # 396
Which of the following descriptions about BGP loop protection is correct? (Multiple choice)
- A. Non-RR BGP routers will not announce any updates from IBGP peers to other IBGP peers
- B. Through the AS-PATH attribute, discard any update information received from the EBGP peer that contains its own AS number in the AS-PATH attribute
- C. Any routing information from an IBGP peer will be advertised to other IBGP peers
- D. A BGP router will not announce any updates from EBGP peers to its EBGP peers
Answer: A,B
NEW QUESTION # 397
Regarding the default routes of each protocol, which of the following description is wrong?
- A. ISIS can issue default routes
- B. Static default routing can be configured
- C. BGP can deliver default routes
- D. OSPF cannot deliver the default route
Answer: D
NEW QUESTION # 398
In BGP route selection rules, routes with high Local_Pref values take precedence.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 399
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