Huawei HCIP-Datacom-Core Technology V1.0 : H12-821_V1.0 Exam

  • Exam Code: H12-821_V1.0
  • Exam Name: HCIP-Datacom-Core Technology V1.0
  • Updated: Aug 07, 2026
  • Q & A: 385 Questions and Answers

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About Huawei HCIP-Datacom-Core Technology V1.0 : H12-821_V1.0 Exam Questions

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Huawei H12-821_V1.0 Exam Syllabus Topics:

SectionObjectives
IPv6- IPv6 Fundamentals
  • 1. IPv6 Routing
  • 2. IPv4 to IPv6 Transition
  • 3. IPv6 Addressing
IS-IS- IS-IS Fundamentals
  • 1. LSP and SPF Mechanism
  • 2. IS-IS Neighbor Establishment
  • 3. Level-1 and Level-2 Routing
OSPF- OSPF Fundamentals
  • 1. OSPF Area Design
  • 2. LSA and SPF Calculation
  • 3. OSPF Neighbor Relationship
WLAN- Wireless Networking
  • 1. WLAN Architecture
  • 2. Wireless Security
  • 3. WLAN Deployment
BGP- BGP Technologies
  • 1. IBGP and EBGP
  • 2. BGP Path Selection
  • 3. BGP Route Advertisement
Ethernet Switching Technology- Switching Fundamentals
  • 1. STP/RSTP/MSTP
  • 2. Link Aggregation
  • 3. VLAN
Multicast- IP Multicast Technologies
  • 1. PIM
  • 2. IGMP
  • 3. Multicast Forwarding
Network Service and Management- O&M Technologies
  • 1. SNMP
  • 2. Telemetry
  • 3. Network Monitoring
Network Security- Security Technologies
  • 1. ACL
  • 2. AAA
  • 3. Attack Prevention
Network Solutions- Enterprise Network Solutions
  • 1. Campus Network
  • 2. Datacom Architecture
  • 3. WAN Solution
Routing and Traffic Control- Traffic Management
  • 1. Policy-based Routing
  • 2. Traffic Optimization
  • 3. Route Filtering
Routing Basics- IP Routing Fundamentals
  • 1. Routing Table Principles
  • 2. Static Routing
  • 3. Route Selection
Network Reliability- Reliability Technologies
  • 1. VRRP
  • 2. BFD
  • 3. Redundancy Design

Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions:

1. When a packet passes through a firewall, the firewall creates a session connection for the packet to guide subsequent forwarding of the packet. However, the firewall does not create session entries for all packets. For which of the following packets does the firewall not create session entries when the packet reaches the firewall?

A) GRE packet
B) UDP packet
C) Subsequent fragment
D) ICMP ping packet


2. On an RSTP network, you can set the STP priority of a switch to specify the switch as the root bridge.
Which of the following values is the default STP priority of a Huawei switch?

A) 32768
B) 4096
C) 128
D) 1


3. Roaming technology is typically used on a large WLAN to ensure that STA (station) services are not interrupted when STAs move between coverage areas of different APs.

A) FALSE
B) TRUE


4. On an STP network, only the designated port processes inferior BPDUs. On an RSTP network, a port with any role processes inferior BPDUs.

A) FALSE
B) TRUE


5. After BGP initiates a TCP connection, the ConnectRetry timer is disabled if the TCP connection is successfully established. If the TCP connection fails to be established, the device tries to reestablish the TCP connection when the ConnectRetry timer expires.

A) FALSE
B) TRUE


Solutions:

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

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