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Huawei H12-222 Exam
Huawei Certified Network Professional-R&S-IENP (Page 7 )

Updated On: 9-Feb-2026
Page 7 of 59
PDF with 287 Questions

At which layer does a packet filtering firewall check data packets?

  1. Application layer
  2. Physical layer
  3. Network layer
  4. Link layer

Answer(s): C



Besides resource discovery, allocation, and management, which function else does the VIM management module of NFV provide?

  1. Resource scheduling
  2. Resource monitoring
  3. Resource reclaiming
  4. Troubleshooting

Answer(s): D



What are differences between the DiffServ and IntServ models? (Multiple Choice)

  1. The DiffServ model provides different services destined for different destinations.
  2. The DiffServ model provides different services destined for different sources,
  3. The DiffServ model does not need to maintain the status of each flow.
  4. The DiffServ model applies to large-scale backbone networks.

Answer(s): C,D



In TCP/IPv4, what are potential security threats? (Multiple Choice)

  1. There is no data source verification mechanism.
  2. There is no data packet acknowledgement mechanism.
  3. There is no data integrity verification mechanism.
  4. There is no confidentiality guarantee mechanism.

Answer(s): A,C,D



MPLS technology replaces IP forwarding with label switching. Which of the following encapsulation modes is used when MPLS runs on Ethernet networks?

  1. Packet mode
  2. Frame mode
  3. Transport mode
  4. Channel mode
  5. Pipe mode

Answer(s): B






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