Quickly and Easily Pass Huawei Exam with H12-821_V1.0-ENU real Dumps Updated on Apr-2025
Realistic H12-821_V1.0-ENU Dumps Questions To Gain Brilliant Result
Huawei H12-821_V1.0-ENU (HCIP-Datacom-Core Technology V1.0) Certification Exam is a highly sought-after certification exam in the field of Datacom-Core technology. HCIP-Datacom-Core Technology V1.0 certification exam is designed to test the skills and knowledge of professionals who are responsible for the design, implementation, and maintenance of core network technologies in Huawei Datacom products.
NEW QUESTION # 15
VLAN Pool has two algorithms for allocating VLANs, namely sequential allocation and HASH allocation.
Which of the following descriptions of these two algorithms are correct? (Multiple choice)
- A. When the sequential allocation algorithm is set, VLAN changes may occur when users go online and offline.
- B. When the HASH allocation algorithm is set, it may lead to uneven division of users between VLANs.
- C. When the HASH allocation algorithm is set, VLAN changes will not occur when users go online and offline.
- D. When the sequential allocation algorithm is set, IP addresses may change when users go online or offline.
Answer: A,B,C,D
NEW QUESTION # 16
The function of routing protocol priority is to assign different priorities to routes discovered by different protocols, so that when a router learns the same route from different routing protocols at the same time, it can have a selected priority.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 17
When performing network troubleshooting, if it is necessary to confirm the service traffic path, which of the following tasks may be required? (Multiple choice)
- A. Confirm the frequency of failure
- B. Investigate service traffic path planning in the network design phase
- C. Confirm the network layer business traffic path
- D. Confirm the data link layer service traffic path
Answer: B,C,D
NEW QUESTION # 18
A VRRP virtual router can only have virtual IP addresses.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 19
If the Length/Type=O×8100 of an Ethernet data frame, which of the following options may the data frame be sent from? (Multiple choice)
- A. Switch Trunk type ports
- B. Switch Hybrid: type of port
- C. Switch Access: Type of port
- D. Serial interface of the router
Answer: A,B
NEW QUESTION # 20
The relationship between various rules in MQC traffic classification is divided into: and or or, the default relationship is ()
Answer:
Explanation:
or
NEW QUESTION # 21
As shown in the figure below, in order to allow PC1 to access PC2, please fill in the corresponding commands to the corresponding blanks.
Answer:
Explanation:
NEW QUESTION # 22
In order to adapt to the application of the data center, what new features have been developed by the switch? (Multiple choice)
- A. MSTP
- B. TRILL
- C. NFV
- D. FCOE
Answer: B,C,D
NEW QUESTION # 23
The ABR in the OSPF fully stub area does not flood the third, fourth, and fifth type LSA to the area. Therefore, the ABR in the fully stub area needs to manually delegate a default route to the area to guide how data packets reach the outside of the AS destination.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 24
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?
- A. R1 does not have the LSP generated by R4, so R1 can only communicate with R4 through the default route
- B. R2 and R3 learn default routes from each other, and there is a routing loop in this network
- C. Both R2 and R3 will have the Level-1's LSP of ATT set
- D. Both R2 and R3 will have the Level-1's LSP of ATT set
Answer: C
NEW QUESTION # 25
Server-Map is generated according to which of the following set of parameters?
- A. Source-destination MAC address, source-destination port number and protocol type
- B. Source-destination MAC address, source-destination IP address and source-destination port number
- C. Source-destination MAC address, source-destination IP address and protocol type
- D. Source-destination IP address, source-destination port number and protocol type
Answer: D
NEW QUESTION # 26
Regarding the BGP route announcement, which of the following descriptions is wrong? (Multiple choice)
- A. All BGP routes learned from all BGP neighbors are advertised to other BGP neighbors
- B. Only routes learned from IGP can be advertised to other BGP neighbors
- C. Only the best route preferred by BGP can be announced to other BGP neighbors
- D. By default, routes learned from IBGP are not forwarded to other IBGP neighbors
Answer: A,B
NEW QUESTION # 27
BGP protocol uses () message to revoke routing entries.
Answer:
Explanation:
update
NEW QUESTION # 28
In the NetStream stream output mode, the advantage of the original stream output is that NSC can obtain detailed statistical information for each stream.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 29
The default time interval for sending BFD detection packets is:
- A. 1000ms
- B. 5s
- C. 10s
- D. 100ms
Answer: A
NEW QUESTION # 30
Two level-1 routers in different areas can form neighbor relationships.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 31
OSPF has five message types, please match the message types and functions.
Answer:
Explanation:
NEW QUESTION # 32
Regarding the description of the VRRP master device, the error is:
- A. Even if the router is already the Master, it will be preempted by the priority Backup router
- B. Periodically send VRRP packets
- C. Respond to the ARP request for the virtual IP address with the virtual MAC address
- D. Forward IP packets whose destination MAC address is the virtual MAC address
Answer: D
NEW QUESTION # 33
Which of the following descriptions of multicast routing are correct? (Multiple choice)
- A. Multicast routing protocols include IGMP protocol
- B. If an upstream neighbor or downstream neighbor on the multicast distribution tree is unreachable, multicast routing will re-converge.
- C. Multicast routing protocols are divided into intra-domain multicast routing protocols and inter-domain multicast routing protocols.
- D. Multicast routing protocols are used to establish and maintain multicast routes, and forward multicast packets correctly and efficiently.
Answer: B,C,D
NEW QUESTION # 34
By default, the device is configured with IS-IS, and the time for detecting neighbor failures is at least seconds. However, after being linked with BFD, BFD can replace the Hello mechanism of the IS-IS protocol , thereby reducing the time for detecting neighbor failures to in milliseconds.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 35
Rapid detection technology can detect communication failures with adjacent equipment as early as possible, so that the system can take timely measures to ensure uninterrupted business.
- A. False
- B. True
Answer: B
NEW QUESTION # 36
BGPAS_PATH property is a selectable transition property.
- A. False
- B. True
Answer: A
NEW QUESTION # 37
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