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Huawei HCIP-Datacom H12-821_V1.0

H12-821_V1.0

Exam Code: H12-821_V1.0

Exam Name: HCIP-Datacom-Core Technology V1.0

Updated: Sep 25, 2026

Q & A: 378 Questions and Answers

H12-821_V1.0 Free Demo download:

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H12-821_V1.0 PDF Price: $129.00  $59.99


About Huawei H12-821_V1.0 Exam

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Huawei H12-821_V1.0 Exam Syllabus Topics:

SectionObjectives
Topic 1: IS-IS- IS-IS Fundamentals
  • 1. Level-1 and Level-2 Routing
  • 2. LSP and SPF Mechanism
  • 3. IS-IS Neighbor Establishment
Topic 2: IPv6- IPv6 Fundamentals
  • 1. IPv6 Addressing
  • 2. IPv4 to IPv6 Transition
  • 3. IPv6 Routing
Topic 3: OSPF- OSPF Fundamentals
  • 1. LSA and SPF Calculation
  • 2. OSPF Neighbor Relationship
  • 3. OSPF Area Design
Topic 4: Network Security- Security Technologies
  • 1. Attack Prevention
  • 2. AAA
  • 3. ACL
Topic 5: BGP- BGP Technologies
  • 1. IBGP and EBGP
  • 2. BGP Route Advertisement
  • 3. BGP Path Selection
Topic 6: Network Solutions- Enterprise Network Solutions
  • 1. Campus Network
  • 2. Datacom Architecture
  • 3. WAN Solution
Topic 7: Network Service and Management- O&M Technologies
  • 1. SNMP
  • 2. Telemetry
  • 3. Network Monitoring
Topic 8: Routing Basics- IP Routing Fundamentals
  • 1. Routing Table Principles
  • 2. Static Routing
  • 3. Route Selection
Topic 9: Routing and Traffic Control- Traffic Management
  • 1. Traffic Optimization
  • 2. Route Filtering
  • 3. Policy-based Routing
Topic 10: Ethernet Switching Technology- Switching Fundamentals
  • 1. VLAN
  • 2. STP/RSTP/MSTP
  • 3. Link Aggregation
Topic 11: Multicast- IP Multicast Technologies
  • 1. IGMP
  • 2. Multicast Forwarding
  • 3. PIM
Topic 12: Network Reliability- Reliability Technologies
  • 1. VRRP
  • 2. Redundancy Design
  • 3. BFD
Topic 13: WLAN- Wireless Networking
  • 1. WLAN Deployment
  • 2. Wireless Security
  • 3. WLAN Architecture

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

Question #1
Which of the following statements are false about VRRP timers? (Select all that apply)

A. By default, the VRRP preemption delay is 1s.
B. The default interval for sending VRRP Advertisement packets is 2s.
C. Skew_Time = (255 - Priority)/255
D. Master_Down = (3 × Adver_Interval) + Skew_Time


Question #2
A large enterprise deploys WLAN in VRRP HSB mode to ensure network reliability.
In this networking mode, which of the following data backup modes are supported? (Select all that apply)

A. Scheduled synchronization
B. Cloud backup
C. Real-time backup
D. Batch backup


Question #3
On an OSPF network, OSPF routers exchange LSAs to synchronize their LSDBs. If an OSPF router receives an LSA that does not exist in its LSDB, it updates its LSDB and floods the LSA.

A. FALSE
B. TRUE


Question #4
BFD can associate with multiple protocols to quickly detect faults.
Which of the following functions are supported? (Select all that apply)

A. BFD for PIM
B. BFD for BGP
C. BFD for OSPF
D. BFD for static routes


Question #5
On an OSPF network, an IR in area 0 must be a BR, but an ASBR may not be an ABR.

A. FALSE
B. TRUE


Solutions:

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

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