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Huawei H12-221-ENU Exam Syllabus Topics:

SectionObjectives
Topic 1: IP Services- NAT/PAT implementation
- NTP and basic network services
- DHCP configuration and relay
Topic 2: LAN Switching Technologies- STP/RSTP/MSTP concepts and configuration
- VLANs and VLAN implementation
- EtherChannel / link aggregation
Topic 3: Enterprise Network Fundamentals- IPv4/IPv6 fundamentals
- TCP/IP model and IP addressing
- Network device roles and architecture
Topic 4: WAN and MPLS Basics- VPN fundamentals (L2VPN/L3VPN concepts)
- MPLS architecture overview
Topic 5: Routing Technologies- OSPF (single-area and multi-area)
- Static routing and policy-based routing
- IS-IS fundamentals
- BGP basics and route selection
Topic 6: Network Management and Troubleshooting- Network monitoring and diagnostics tools
- Basic troubleshooting methodologies
Topic 7: Network Security Fundamentals- Basic device security hardening
- ACL configuration and traffic filtering

Huawei HCIP-Routing&Switching-IERS(Huawei Certified ICT Professional-Implementing Enterprise Routing and Switching Network) Sample Questions:

Question #1

What are the routes that can be used to filter routes in BGP commonly used routing policy tools?

  • A. peer-list
  • B. ip extcommunity-filter
  • C. filter-policy
  • D. route-policy
Reveal Solution  Discussion  0

Correct Answer: B,C,D  🗳️

Question #2

The ACL command acl[ number ] acl-unmber [ match-order { auto | config } ], where acl-number is used to specify the number of the access control list. The value of the acl-number based on the ACL is ().

  • A. 3000~3999
  • B. 0~1000
  • C. 1000~3999
  • D. 2000~3999
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #3

By default, the SSM group is in the range of 232.0.0.0/8. If you want to modify the SSM group range, which of the following is correct?

  • A. Configure the ssm-policy advanced-acl-number in the PIM view.
  • B. Configure the ssm-policy acl-number in the system view.
  • C. Configure the ssm-policy acl-number in the PIM view.
  • D. Configure the ssm-policy advanced-acl-number in the system view.
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Question #4

Each DD packet has DD sequence number, which is used to confirm the DD packet. DD contains complete link status information.

  • A. True
  • B. False
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #5

Which of the following description is correct about the OSPF neighbor state machine?

  • A. In the 2-way state, two-way communication has been established, but no neighbor relationship has been established with the neighbor.
  • B. DROther will eventually form a null state
  • C. In the Init state, the router has received Hello packets from the neighbor and found itself in the neighbor list of the neighbors sending Hello packets.
  • D. Attempt status only appears on NBMA and P2MP networks
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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