Reliable H12-811_V2.0 Test Question, H12-811_V2.0 Sample Exam

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Huawei H12-811_V2.0 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Network Security and Services: Covers essential network security mechanisms including ACLs, AAA, NAT, and basic firewall concepts to protect network infrastructure.
Topic 2
  • Data Center Network Basics: Covers the architecture and key technologies used in modern data center networks including virtualization and high-availability design concepts.
Topic 3
  • Data Communication Network Basics: Covers foundational concepts of data communication networks including network types, reference models (OSI
  • TCP-IP), and basic device roles.
Topic 4
  • WLAN Technology Basics: Covers wireless LAN standards, components such as APs and ACs, WLAN architecture, and basic configuration principles.

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Huawei HCIA-Datacom V2.0 Sample Questions (Q24-Q29):

NEW QUESTION # 24
The IPv6 header is also called a fixed header, which contains eight fields. The total length of the fixed header is 40 bytes. Which of the following fields does an IPv6 header include?

Answer: A,B,C

Explanation:
The IPv6 basic header has a fixed length of 40 bytes and contains eight fields: Version, Traffic Class, Flow Label, Payload Length, Next Header, Hop Limit, Source Address, and Destination Address. The Source IPv6 Address is therefore part of the IPv6 header. Hop Limit is also present and serves a function comparable to the IPv4 TTL field by limiting how many Layer 3 forwarding hops a packet can traverse. Next Header identifies the type of extension header or upper-layer protocol that follows the IPv6 basic header. A source MAC address is not part of the IPv6 header. MAC addresses belong to the data-link-layer frame header, such as an Ethernet header, and are relevant only to the current Layer 2 segment. As an IPv6 packet is routed, Ethernet source and destination MAC addresses can change from hop to hop while the IPv6 source and destination addresses normally remain unchanged end to end. Therefore A, B, and C are IPv6 header fields, while D is not. The correct answer is A, B, and C.


NEW QUESTION # 25
DAD enables a node to detect whether an IPv6 address is already in use by another node before assigning it to an interface. This ensures that duplicate unicast addresses do not exist on a network. Which of the following packets are used for DAD? (Select all that apply)

Answer: A,B

Explanation:
Duplicate Address Detection (DAD) is an IPv6 mechanism used to verify that a unicast address is not already in use before the address is assigned to an interface. DAD is implemented using Neighbor Solicitation (NS) and Neighbor Advertisement (NA) messages, which are part of the ICMPv6 Neighbor Discovery protocol. Therefore, options A and D are correct.
When a host wants to verify a tentative IPv6 address, it sends an NS message for that address. If another node on the link is already using that address, that node responds with an NA message, indicating the address is duplicated and cannot be assigned. If no NA is received within the required period, the host assumes the address is unique and can use it.


NEW QUESTION # 26
Assume you are an administrator of a campus network. You want to enable STelnet on network devices so that you can remotely log in to them for service commissioning and configuration changes. Which of the following statements is false about STelnet?

Answer: A


NEW QUESTION # 27
During the wireless service configuration on a Huawei WAC, you need to create a VAP profile and configure the country code, data forwarding mode, and service VLAN in the profile.

Answer: B

Explanation:
On a Huawei WAC, a VAP profile is used to define WLAN service parameters such as SSID, security, and service VLAN mapping. However, the country code is configured globally (at the WAC or regulatory domain level), not within the VAP profile. Data forwarding mode is configured in related forwarding or service templates depending on the architecture, not strictly inside the VAP profile. Therefore, not all listed parameters belong to a VAP profile configuration, making the statement incorrect.


NEW QUESTION # 28
On a switched network, the administrator has completed the VLAN-related configuration shown in the figure on SW1. If the administrator runs the ping 192.168.1.2 command on PC1, the ping will fail.

Answer: B

Explanation:
Both switch ports shown in the exhibit are configured as trunk ports and VLAN 10 is permitted, but the configuration does not change the trunk PVID from its default value of VLAN 1. On Huawei switches, untagged frames received on a trunk interface are associated with the interface PVID. A normal PC sends untagged Ethernet frames, so traffic from both PC1 and PC2 is classified into VLAN 1. VLAN 1 is permitted on a trunk by default unless it is explicitly removed with an undo port trunk allow-pass vlan 1 command. As a result, the two PCs remain in the same Layer 2 broadcast domain through VLAN 1 and can exchange ARP and ICMP traffic. Merely adding VLAN 10 to the allowed VLAN list does not force untagged host traffic into VLAN 10. Therefore, the statement that pinging 192.168.1.2 from PC1 must fail is incorrect. The correct response is FALSE, option B.


NEW QUESTION # 29
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