Huawei H12-811_V2.0 Questions - Highly Recommended By Professionals

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Huawei H12-811_V2.0 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Data Center Network Basics: Covers the architecture and key technologies used in modern data center networks including virtualization and high-availability design concepts.
Topic 2
  • Ethernet Technology Basics: Covers Ethernet standards, switching principles, VLANs, and Layer 2 protocols used in enterprise network environments.
Topic 3
  • IP Technology Basics: Covers IPv4
  • IPv6 addressing, subnetting, routing fundamentals, and common routing protocols such as OSPF, RIP, and static routing.
Topic 4
  • Data Communication Network Basics: Covers foundational concepts of data communication networks including network types, reference models (OSI
  • TCP-IP), and basic device roles.
Topic 5
  • Network Security and Services: Covers essential network security mechanisms including ACLs, AAA, NAT, and basic firewall concepts to protect network infrastructure.
Topic 6
  • 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 (Q84-Q89):

NEW QUESTION # 84
On the switched network shown in the figure, STP is enabled on all devices. SW1 is the root bridge. The port costs are shown in the figure. Other parameters retain the default values. After the network is stable, which of the following RPC values is calculated by SW3 for the path to SW1?

Answer: D

Explanation:
SW1 is the root bridge, so its cost is 0. SW3 calculates its Root Path Cost by selecting the lowest- cost path toward SW1.
There are two possible paths from SW3 to SW1:
Direct path SW3 โ†’ SW1: SW3 uses its port cost of 100 on the link to SW1, so RPC = 100.
Indirect path SW3 โ†’ SW2 โ†’ SW1: SW3 to SW2 has a cost of 40, and SW2 to SW1 has a cost of
50, so total cost = 40 + 50 = 90.
The lowest value is 90, so SW3's RPC is 90.


NEW QUESTION # 85
The administrator configures an Eth-Trunk in LACP mode between two switches, and sets the maximum number of active links in the Eth-Trunk to 3 and the number of remaining standby links to 1. If one of the active links fails, the two switches automatically adjust the number of active links to 2 through negotiation, and the standby link remains in the standby state.

Answer: B

Explanation:
This statement is false . In an Eth-Trunk operating in LACP mode , if the administrator sets the maximum number of active links to 3 and there is 1 standby link, then when one active member fails, LACP can automatically promote the standby member to active status. The purpose of the standby member is to maintain the configured active-link capacity whenever possible.
Therefore, after one active link fails, the normal expectation is not that the active-link count is reduced from 3 to 2 while the standby link remains idle. Instead, the standby link should participate and replace the failed member, so that the Eth-Trunk continues operating with 3 active links if the standby link and negotiation conditions are normal. This reflects the redundancy and fast recovery capabilities of LACP-based aggregation. HCIA-Datacom highlights that compared with manual mode, LACP provides more intelligent link selection, active/standby management, and fault adaptation. The statement is wrong because it ignores the intended behavior of the standby link in maintaining the number of active forwarding links after a failure.


NEW QUESTION # 86
FILL BLANK
On the OSPF network shown in the figure, S1 is a Layer 2 switch. A total of_____DRs will be elected on this network. (Enter only digits.)

Answer:

Explanation:
1
Explanation:
A DR election occurs on each OSPF broadcast multi-access segment. In this topology, R1, R2, and R3 are connected through the Layer 2 switch S1, forming a single broadcast domain, so only one DR is elected there. The link between R3 and R4 is a point-to-point connection, which does not require DR election. Therefore, only one DR exists in the entire network.


NEW QUESTION # 87
Which of the following variables defined in Python code is invalid?

Answer: D

Explanation:
In Python, variable names must follow identifier rules: they cannot start with a digit. The variable
2_r1 is invalid because it begins with the number 2, which violates Python naming conventions.
The other variables are valid because they either start with letters or underscores and follow proper identifier rules.


NEW QUESTION # 88
Which of the following descriptions regarding the TTL field of the IP packet is correct?

Answer: D

Explanation:
The Time to Live (TTL) field in an IP packet is decremented by 1 each time the packet passes through a router. When the TTL reaches zero, the packet is discarded to prevent it from circulating indefinitely.


NEW QUESTION # 89
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