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Huawei H12-221-ENU Exam Syllabus Topics:

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

For the BPDU packet flag defined in the RSTP protocol and the BPDU packet flag defined in the STP protocol. What are the different fields?

  • A. Topology notification flags
  • B. Topology change flag
  • C. Topology Change Flags and Topology Notification Flags
  • D. Topology Change Confirmation Flag
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #2

In the IS-IS broadcast network, which multicast MAC address does the Level-2 router use as the destination address for sending the IIH?

  • A. 0180-c200-0016
  • B. 0180-c200-0015
  • C. 01000-5E00-0002
  • D. 0180-c200-0014
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #3

Sometimes, when a multicast packet is flooded to a shared network segment connected to multiple PIM routers, the RPF check on these PIM routers can pass, and multiple packets of the same packet are forwarded to the network segment. At this point, what need to be executed?

  • A. Diffusion
  • B. Pruning
  • C. Grafting
  • D. Assertion
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #4

About the description of P2MP networking, which is correct? (Multiple Choice)

  • A. You can use the filter-Isa-out peer command to filter the sent LSA on a P2MP network
  • B. Devices with inconsistent mask lengths on the P2MP network cannot establish neighbor relationships. However, you can use the ospf p2mp-mask-ignore command to break this limitation.
  • C. The election of DR/BDR is required in the P2MP network.
  • D. No link layer protocol is P2MP by default. P2MP must be forcibly changed by other network types.
Reveal Solution  Discussion  0

Correct Answer: A,B,D  🗳️

Question #5

IPV4 specifies the SSM address range, which of the following options is cortect?

  • A. 192.1.8.1
  • B. 232.1.8.18
  • C. 225.1.8.18
  • D. 232.1.8.1/24
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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