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Huawei H12-821_V1.0 Exam Syllabus Topics:

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

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

Question #1

RPF check is an important mechanism in multicast to ensure the correctness and uniqueness of the forwarding path. In normal cases, which of the following routing entries are used to select the optimal route during RPF check?

  • A. MBGP routing entries
  • B. Multicast dynamic routing entries
  • C. Multicast static routing entries
  • D. Unicast routing entries
Reveal Solution  Discussion  0

Correct Answer: A,D  🗳️

Question #2

On a WLAN, engineers can use the VLAN pool mechanism to assign access users to different VLANs, which helps reduce the number of broadcast domains and improve network performance.

  • A. FALSE
  • B. TRUE
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #3

See the following figure. All routers on the network run IS-IS and are in area 49.0001. By referring to the LSDB of R1, the Level-2 DIS is. (Enter the device name, for example, R1.)

Reveal Solution  Discussion  0

Correct Answer:

R3
Explanation:
Understanding the LSDB and Level-2 DIS Election in IS-IS:
In IS-IS, the Designated Intermediate System (DIS) is elected for both Level-1 and Level-2 on broadcast networks to manage the link-state database (LSDB) and reduce the number of LSAs exchanged.
The election of the DIS is based on the highest priority. If the priority is the same, the router with the highest System ID becomes the DIS.
HCIP-Datacom-Core Technology Training Material (IS-IS DIS Election).
Analyzing the LSDB:
From the LSDB of R1, the Level-2 link-state database includes the following entries:
LSPID 0100.0000.3003.00-00: This is R3, and it is present in the Level-2 LSDB with the sequence number and checksum details.
Other routers (R1, R2, R4) are present but do not have the characteristics of the Level-2 DIS in this topology.
Based on the System IDs, R3 (0100.0000.3003) has the highest System ID, making it the Level-2 DIS.
Conclusion:
The Level-2 DIS on the network is R3, based on the election rules and the LSDB information shown in the figure.

Question #4

On an OSPF network, if two directly connected routers with the same router ID run in the same area, the master/slave relationship cannot be determined for DD packets.

  • A. FALSE
  • B. TRUE
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #5

Which of the following values is the Reserved/Circuit Type field in the IIH packets sent by a Level-1-2 router on an IS-IS network?

  • A. 11
  • B. 10
  • C. 01
  • D. 00
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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