[UPDATED 2023] Getting H12-821_V1.0-ENU Certification Made Easy!
H12-821_V1.0-ENU Exam Crack Test Engine Dumps Training With 966 Questions
Huawei H12-821_V1.0-ENU exam is a rigorous and comprehensive certification that requires a solid understanding of data communication principles, as well as extensive hands-on experience with Huawei technologies. Candidates who pass the exam will have demonstrated their ability to design, implement, and troubleshoot complex network solutions, and will be well-positioned to take on a variety of IT roles in the data communication field.
NEW QUESTION # 115
Which of the following description of VRRP is false?
- A. A virtual router is composed of a main router and several backup routers. The main router realizes the real forwarding function. When the main router fails, a backup router will become the new main router and take over its work.
- B. When using the protocol, you need to configure the virtual router number and virtual IP address on the router, and directly use the real MAC of the main router, so that a virtual router is added to this network
- C. The host on the network communicates with the virtual router, and there is no need to know all the information of the physical router on this network
- D. VRRP is a kind of redundant backup protocol. It is designed for LANs with multicast or broadcast capabilities (such as Ethernet) to ensure that when the next hop router device of a host in the LAN fails, another router can be used in a timely manner. Instead, to maintain the continuity and reliability of network communication
Answer: B
NEW QUESTION # 116
There are many employees in a certain enterprise building, and they usually start to connect to the company's WLAN network in the lobby when they go to work. As each employee walks to their respective workstations, each person's mobile terminal roams through roaming to their respective network coverage areas.
In order to try to ensure that the IP address of each terminal is fixed, what is the recommended method?
- A. Do not configure VLAN Pool, configure a static IP address for each mobile terminal
- B. Configure VLAN Pool, any configuration algorithm
- C. Configure the VLAN Pool and configure the sequence algorithm
- D. Configure VLAN Pool and configure Hash algorithm
Answer: C
NEW QUESTION # 117
Which of the following descriptions are correct about two-tier roaming and three-tier roaming? (Multiple choice)
- A. If the VLAN ID associated before and after the STA is the same when roaming, it must belong to Layer 2 roaming
- B. Layer 2 roaming means that the client roams in the same subnet
- C. Three-tier roaming means that the client roams between different subnets
- D. The VLANs on the AP service set associated with the STA before and after Layer 3 roaming must be the same
Answer: C,D
NEW QUESTION # 118
As shown in the figure, both SWA.SWB.SWC run RSTP. What is the port role of GE0/0/2 port on SWB and GEO/0/1 port on SWC?
- A. Backup port, Root port
- B. Root port, Designated port
- C. Backup port, Alternative port
- D. Alternative port, Backup port
Answer: C
NEW QUESTION # 119
There are many employees in an enterprise building, and they usually start to access the company's WLAN network in the lobby when they go to work. As each employee walks to their respective workstations, everyone's mobile terminal also roams to their respective network coverage areas by roaming.
In order to ensure that the IP address of each terminal is fixed as much as possible, what is the recommended approach?
- A. Configure VLAN Pool and configure the algorithm arbitrarily
- B. Configure VLAN Pool and configure sequential algorithm
- C. Configure VLAN Pool and configure Hash algorithm
- D. Without configuring VLAN Pool, configure a static IP address for each mobile terminal
Answer: B
NEW QUESTION # 120
The routes injected through the Network method in BGP do not necessarily have to be routing entries that exist in the IP routing table, and this method of injecting routes is more accurate.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 121
Which of the following executable actions are supported by flow behavior in MQC? (Multiple choice)
- A. Implement policy routing for packets
- B. Filter messages
- C. Remark message priority
- D. Add VLAN Tag to the message
- E. Traffic statistics
Answer: B,C,D,E
NEW QUESTION # 122
What problems should an engineer check before the equipment is installed and powered on?
(Multiple choice)
- A. Whether the device is connected according to the planned topology
- B. Whether the ground wire has been installed correctly according to the specification
- C. Whether the power cord has been correctly installed according to the specification
- D. Whether the signal cable has been correctly installed and bundled according to the approved specifications
Answer: A,B,C,D
NEW QUESTION # 123
Check the LSP on a router and see the following results:
Which of the following statements is correct?
- A. When sending a data packet whose destination address is 3.3.3.3, label it with 1026 and send it.
- B. When sending a data packet whose destination address is 4.4.4.4, send it directly without labeling.
- C. When the router receives a packet with a label of 1024, it will change the label to 1027 and send it.
- D. When sending a data packet whose destination address is 2.2.2.2, send it directly without labeling.
Answer: D
NEW QUESTION # 124
Which of the following VPN technologies operate based on the data link layer? (Multiple choice)
- A. L2TP VPN
- B. PPTP VPN
- C. IPsec VPN
- D. GRE VPN
- E. MPLS VPN
Answer: A,B
NEW QUESTION # 125
Regarding the range of BGP AS numbers, which of the following descriptions are incorrect? (Multiple choice)
- A. When 2-byte AS is supported, the value range of the private AS number is 32768-65535
- B. When 2-byte AS is supported, the value range of the private AS number is 64512-65535
- C. When supporting 2-byte AS, the value range is 0-65535
- D. When 4-byte AS is supported, no new attributes need to be defined
Answer: A,C,D
NEW QUESTION # 126
Regarding the OSPF multi-process description, which is wrong?
- A. An interface of a router can only belong to one OSPF process
- B. Different OSPF routers establish neighbors, and the process numbers must be the same
- C. The routing interaction between different OSPF processes is equivalent to the routing interaction between different routing protocols
- D. Multiple different OSPF processes can run on the same router, and they do not affect each other and are independent of each other
Answer: B
NEW QUESTION # 127
Regarding the description of IGMP Snooping-working mechanism, which is the correct?
- A. The layer 2 switch establishes and maintains the PIM routing table on the layer 2 by continuously monitoring IGMP messages.
- B. If the host sends an IGMP leave message, the switch will add the host to the corresponding multicast table.
- C. If the host sends an IGMP host report message, the switch will delete the multicast entry corresponding to the hos.t
- D. When IGMP Snooping is not running, the multicast message will be broadcast on the second layer.
After running IGMP Snooping, the message will no longer be broadcast on the second layer, but will be multicast on the second layer.
Answer: D
NEW QUESTION # 128
Which of the following attributes may not be included in the Update message of a BGP route?
(Multiple choice)
- A. MED
- B. AS_Path
- C. Local_Preference
- D. 0rigin
Answer: A,C
NEW QUESTION # 129
Server-Map is generated according to which of the following set of parameters?
- A. Source-destination IP 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 port number and protocol type
- D. Source-destination MAC address, source-destination IP address and protocol type
Answer: A
NEW QUESTION # 130
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Huawei is a leading global provider of information and communications technology (ICT) infrastructure and smart devices. Their products and services are used in more than 170 countries around the world. As a result, Huawei has become a trusted name in the ICT industry, and many professionals seek to become certified in Huawei technologies. One such certification is the Huawei H12-821_V1.0-ENU exam, which tests one's knowledge of HCIP-Datacom-Core Technology V1.0.
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