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Huawei H12-811-ENU : HCIA-Datacom V1.0

H12-811-ENU

Exam Code: H12-811-ENU

Exam Name: HCIA-Datacom V1.0

Updated: Oct 31, 2026

Q & A: 732 Questions and Answers

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Huawei H12-811-ENU Exam Syllabus Topics:

SectionWeightObjectives
Switching Technologies25%-30%- Layer 2 Network Optimization
  • 1. STP and RSTP
  • 2. Link Aggregation
  • 3. MAC Address Learning
- VLAN Technologies
  • 1. Trunk Links
  • 2. Inter-VLAN Communication
  • 3. VLAN Principles
Routing Technologies25%-30%- Dynamic Routing
  • 1. Route Advertisement
  • 2. OSPF Fundamentals
  • 3. Routing Table Management
- IP Routing Fundamentals
  • 1. Default Routing
  • 2. Route Selection
  • 3. Static Routing
Network Security Fundamentals5%-10%- Security Technologies
  • 1. AAA
  • 2. ACL
  • 3. Common Network Threats
Data Communication Network Basics15%-20%- IP Addressing
  • 1. IPv4 Addressing
  • 2. IPv6 Fundamentals
  • 3. Subnetting
- Network Models and Protocols
  • 1. TCP/IP Protocol Stack
  • 2. OSI Reference Model
  • 3. Ethernet Fundamentals
Network Management and O&M5%-10%- Operations and Maintenance
  • 1. SNMP
  • 2. Fault Diagnosis
  • 3. Device Management
WLAN Fundamentals5%-10%- Wireless Networking
  • 1. Wireless Access Principles
  • 2. AP and AC Concepts
  • 3. WLAN Architecture
SDN and Network Automation5%-10%- Emerging Technologies
  • 1. SDN Fundamentals
  • 2. Automation Basics
  • 3. Network Programmability

Huawei HCIA-Datacom V1.0 Sample Questions:

Question #1
Which of the following OSCan PF protocol packets ensure the reliability of LSA update? ()

A. LSR
B. LSACK
C. DD
D. LSU


Question #2
Which of the following SNMP packets are sent to the NMS by the Agent on the managed device ()

A. Response
B. Get-Next-Request
C. Set-Request
D. Get-Request


Question #3
In the network shown in the figure below, there are the following configurations in Router A.
Which of the following statements is correct?
ip route-statiC.10.0.2.2255.255.255.25510.0.12.2iP
Route-statiC.10.0.2.2255.255.255.25510.0.21.2pre ference 70

A. If the G0/0/2 port is Down, then Router A reaches 10.0.2.2. The route NextHop. is changed to
10.012.2
B. The Next in the routing table of Router A reaches 10.0.2.2. Hop is 10.0.21.2
C. The Next in the routing table of Router A reaches 10.0.2.2. Hop is 10.0.12.2
D. If the G0/0/1 port is Down, the route NextHap from Router A to 10.0.2.2 is changed to 10.0.21.2


Question #4
What is the range of VLAN ID that users can use? ()

A. 1-4094
B. 0-4096
C. 1-4096
D. 0-4095


Question #5
If a windows host is started for the first time, if it uses DHCP to obtain an IP address, what is the source IP address of the first packet sent by this host? ()

A. 255.255.255.255
B. 127.0.0.1
C. 0.0.0.0
D. 169.254.2.33


Solutions:

Question #1
Correct Answer: B
Question #2
Correct Answer: A
Question #3
Correct Answer: C,D
Question #4
Correct Answer: A
Question #5
Correct Answer: C

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