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

H12-821_V1.0 real exams

Exam Code: H12-821_V1.0

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

Updated: Aug 19, 2026

Q & A: 385 Questions and Answers

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Huawei H12-821_V1.0 Exam Syllabus Topics:

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

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

1. By default, if no router ID is configured but multiple loopback interface addresses are configured, BGP selects the largest loopback interface address as the router ID.

A) TRUE
B) FALSE


2. Compared with STP, RSTP defines the different port states. Which of the following statements regarding discarding and learning states are true?

A) The port in discarding or learning state does not learn MAC addresses
B) The port In discarding or learning state does not forward data frames.
C) The port in discarding state does not learn MAC addresses table.
D) The port In learning stole docs not learn MAC addresses table.


3. Compared with OSPF, IS-IS has higher scalability because IS-IS uses the______structure to construct packets. (Enter the acronym in uppercase.)


4. Which of the following statements regarding the LSA age field are true?

A) The unit of this field is seconds. In a LSDB, the LS age of a LSA increases with time.
B) The unit of this field is seconds. In a LSDB, the LS age of a LSA decreases with time.
C) If the LS age of a LSA has reached the LSRefreshTime (30 minutes), any router can regenerate an instance of this LSA again.
D) If the LS age of a LSA has reached the LSRefreshTime (30 minutes), the originator of this LSA needs to regenerate an instance of this LSA again.


5. Multiple BGP processes cannot be configured on the same router.

A) TRUE
B) FALSE


Solutions:

Question # 1
Answer: A
Question # 2
Answer: B,C
Question # 3
Answer: Only visible for members
Question # 4
Answer: A,D
Question # 5
Answer: B

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