Free H12-821_V1.0-ENU Questions for Huawei H12-821_V1.0-ENU Exam [Feb-2024]
Validate your H12-821_V1.0-ENU Exam Preparation with H12-821_V1.0-ENU Practice Test (Online & Offline)
Huawei H12-821_V1.0-ENU: HCIP-Datacom-Core Technology V1.0 exam is one of the most coveted IT certification exams in the world today. H12-821_V1.0-ENU exam is specifically designed for IT professionals who specialize in data communication and want to enhance their knowledge and skills in this field. HCIP-Datacom-Core Technology V1.0 certification exam covers various topics such as network technologies, network planning, network security, and network maintenance.
One of the benefits of obtaining the Huawei H12-821_V1.0-ENU certification is that it is recognized globally by many organizations and companies. HCIP-Datacom-Core Technology V1.0 certification is a valuable asset for professionals who want to advance their careers in the field of data communication. HCIP-Datacom-Core Technology V1.0 certification also provides an opportunity for professionals to demonstrate their expertise and commitment to the industry, which can lead to new job opportunities and increased earning potential.
NEW QUESTION # 467
In the inter-domain report filtering, which option of the following is in the outbound direction?
- A. trust-untrust
- B. untrust-trust
- C. untrust-dmz
- D. trust-local
Answer: A
NEW QUESTION # 468
The command to configure VRRP to track the state of the physical interface is.
- A. vrrp vrid 1 track interface Gigabitethernet0/0/0
- B. vrrp vrid 1 interface Gigabitethernet0/0/0 track
- C. track vrrp vrid 1 interface Gigabitethernet0/0/0
- D. vrrp vrid 1 interface Gigabitethernet0/0/0
Answer: A
NEW QUESTION # 469
Which of the following statements is wrong about multicast MAC addresses? (Multiple choice)
- A. 1 multicast MAC address correctly corresponds to 32 IP multicast addresses
- B. One multicast MAC address is unique, corresponding to one IP multicast address
- C. The function of the multicast MAC address is to identify receivers belonging to the same multicast group at the link layer
- D. The high 24 bits of the multicast MAC address are 0x01005f, the 25th bit is fixed to 1, and the low 23 bits of the MAC address are the low 23 bits of the multicast IP address
Answer: A,C
NEW QUESTION # 470
OSPF can support multiple network types. Which of the following network types need to elect DR and BDR? (Multiple choice)
- A. NBMA
- B. BROADCAST
- C. P2MP
- D. P2P
Answer: A,B
NEW QUESTION # 471
A certain router runs IS-IS, and its output information is shown in the figure. Which of the following statements is correct?
- A. The Cost value of the s4/0/0 interface is 20
- B. The circuit-level1 of the s4/0/0 interface is Level-1
- C. The s4/0/0 interface supports IPv6
- D. The cycle of sending llH on the s4/0/0 interface is 30s
Answer: B
NEW QUESTION # 472
Which of the following description about VRRP is incorrect?
- A. VRRP determines the status of each router in the virtual router based on priority
- B. If the Master already exists, Backup will also preempt
- C. If the Backup router works in non-preemptive mode, as long as the Master router does not fail, the Backup router will not become the Master router even it is subsequently configured with a higher priority.
- D. When two routers with the same priority compete for the Master at the same time, compare the size of the interface IP address, and the one with the larger interface address is elected as the Master
Answer: B
NEW QUESTION # 473
For two routers running IS-IS, the adjacency relationship can be established only when the time interval of lH transmission is the same
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 474
When the service is configured as VLANPoo1, if the user fails to obtain an IP address within a certain period of time and the dhcp update vlan assignnentthreshold command is configured, VLANPoo1 will be triggered to assign a new VLAN to the user, so that the user can obtain an IP again in the new VLAN address.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 475
As shown in the figure is the BGP error output information of a router.
Which of the following statements about this information is wrong?
<Huawei> display bgp error
Error type: Peer Error
Date Time: 2010-03-22 12:40:39
Peer Address: 10.1.1.5
VRF Name: Public
Error info: Incorrect remote AS
- A. The neighbor address of the router is 10.1.1.5
- B. The cause of the error may be due to the wrong neighbor address
- C. The error occurred at 12:40:39 on March 22, 2010.
- D. Error Type shows hesitating neighbor relationship errors lead to
Answer: B
NEW QUESTION # 476
Which of the following operations can PBR (Policy-Based-Route) perform? (Multiple choice)
- A. Modify the outbound interface of matching traffic
- B. Modify the Qos information of matching traffic
- C. Modify the next hop address of matching traffic
- D. Modify the LSP of the matching packet
Answer: B,C
NEW QUESTION # 477
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 selection priority.
- A. True
- B. False
Answer: A
NEW QUESTION # 478
Regarding the description of the VRRP slave device, which is correct? (Multiple choice)
- A. When receiving a VRRP message with a priority of 0, the Slave will directly switch to the Master
- B. When the slave receives the VRRP message sent by the Master, it can judge whether the status of the Master is normal
- C. The slave responds to the IP packet whose destination IP address is the virtual IP address
- D. The slave will discard IP packets whose destination MMC address is the virtual MAC address
Answer: A,B,D
NEW QUESTION # 479
In the N+1 backup network of WLAN, which of the following statements about option43 is correct? (Multiple choice)
- A. To configure the option 43 field, the AP needs to be notified of the IP addresses of the primary AC and backup AC to which it belongs, and also the IP addresses of other primary ACs.
- B. If the AC of the IP address advertised by option 43 does not respond to the AP, the AP will find that the AC will immediately fail
- C. The command to configure the option43 parameter field of the DHCP server to the IP addresses of the primary and standby ACs is option43 sub-0ption 2 ip-address ip-address &<1-8>
- D. After the option 43 field is configured, the AP will only send unicast Discovery Request messages to the AC IP address advertised by option 43
Answer: C,D
NEW QUESTION # 480
In RSTP, the edge port does not need to wait for the forwarding delay, and can directly enter the forwarding state. If the edge port receives a BPDU, the edge port will be directly shut down and enter the error down state.
- A. True
- B. False
Answer: B
NEW QUESTION # 481
When the configuration BGP time, if such a warning is generated: "BGPI6ESTABLISHED: the OID [OID] of The BGP The Establishedstate Enters the FSM, which of the following description is correct?
- A. Indicates that the BGP neighbor has been established
- B. Explain that this type of alarm is generated due to TCP problems
- C. The warning message is abnormal and must be dealt with
- D. Explain that there is a problem due to OPEN message negotiation between BGP neighbors
Answer: A
NEW QUESTION # 482
Which of the following is wrong about OSPF discarding directly?
- A. Hello packets are used to discover and maintain neighbor relationships. On broadcast networks and NBLA networks, Hello packets are also used to elect DR and BDR.
- B. The intervals for sending Hello packets between the two routers must be the same, otherwise neighbors cannot be established
- C. The DD packet contains all LSA information, which can be used to periodically synchronize link state database information between neighbors
- D. The DD packet carries the LSA header information to describe the link state summary information
Answer: C
NEW QUESTION # 483
Fast detection technology can detect communication failures with neighboring equipment as early as possible, so that the system can take measures in time to ensure uninterrupted business.
- A. True
- B. False
Answer: A
NEW QUESTION # 484
Which of the following dynamic routing protocols can be applied to IPv6 networks? (Multiple choice)
- A. IS-ISv6
- B. BGP6
- C. OSPFv3
- D. Is-ls
Answer: A,B,C
NEW QUESTION # 485
Which descriptions are correct about the IPv6 stateless auto-configuration of addresses through NDP?
(Multiple choice)
- A. In the process of stateless address configuration, except that DAD detection requires the exchange of NS and NA messages, other processes only need the participation of RA and RS messages
- B. The premise that a device can configure an address statelessly is that both interacting devices have generated a link-local address.
- C. In the RA message transmitted during the stateless address configuration process, the M-bit is set to 0
- D. In the process of stateless address configuration, two DAD detections are used to detect whether the link-local address conflicts
Answer: A,B,C
NEW QUESTION # 486
Which of the following descriptions about the linkage between VRRP and interface status to monitor the uplink interface is wrong? (Multiple choice)
- A. When configuring and monitoring the status of the uplink interface, it can monitor whether the uplink interface and the uplink direct link are faulty at the same time
- B. If it is not linked with the connection status, it will easily lead to traffic black holes
- C. You can monitor the upstream interface by configuring the priority on the Backup device
- D. You can monitor the uplink interface by configuring the priority on the Master device
Answer: A,C
NEW QUESTION # 487
Regarding network maintenance, which of the following statements are correct? (Multiple choice)
- A. Routine maintenance belongs to the work of the optimization stage (improve) in PDIOI
- B. Routine maintenance is a routine plan
- C. Routine maintenance is an event-driven job
- D. The handling of some problems in the troubleshooting work can be incorporated into the daily maintenance work
Answer: B,D
NEW QUESTION # 488
SSH has negotiated multiple algorithms during the implementation process, so which of the following algorithm categories are used by SSH? (Multiple choice)
- A. Host Public Key Algorithms for Digital Signature and Authentication
- B. Shortest Path Algorithm for Determining the Shortest Communication Path
- C. The key exchange algorithm used to generate the session key
- D. Algorithms used for data encryption
- E. Algorithms for Data Integrity Protection
- F. Spanning tree algorithm for preventing communication loops
Answer: A,C,D,E
NEW QUESTION # 489
Regarding BGP MED, which of the following descriptions are correct? (Multiple choice)
- A. The default value of BGP route MED is 0
- B. In BGP routing rules, the priority of MED is lower than AS-Path, Preferred-Value, Local-Preference, Origin
- C. By default, BGP routing rules can compare the distance between routes from different autonomous systems.
- D. By default, if the MED value is not set in the route attribute, press the process. If the bestroute med-none-as maximum command is configured. Then handle the maximum MED value of 4294967295
Answer: B,D
NEW QUESTION # 490
What are the factors that cause traffic interruption after a network failure? (Multiple choice)
- A. Fault Propagation Time
- B. Fault detection time
- C. Response time to a single device failure (table item update)
- D. Routing Loops
Answer: A,B,C,D
NEW QUESTION # 491
......
To prepare for the Huawei H12-821_V1.0-ENU exam, candidates can take advantage of various resources, such as online courses, study guides, and practice exams. It is recommended that candidates have a minimum of two years of experience in data communication and networking technologies before taking the exam. With proper preparation and dedication, passing the Huawei H12-821_V1.0-ENU exam can be a significant achievement for professionals in the field of data communication.
Check Real Huawei H12-821_V1.0-ENU Exam Question for Free (2024): https://www.actual4exams.com/H12-821_V1.0-ENU-valid-dump.html
Get all the Information About Huawei H12-821_V1.0-ENU Exam 2024 Practice Test Questions: https://drive.google.com/open?id=1AJgxNj8a1Nw0j5l7ju4H19nHHgXsYysj