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HCNA Huawei Certified Network Associate - Constructing Basic Security Network (HCNA-CBSN) Questions 233–237 (page: 28)

Updated On: 10-Feb-2026

Middle attack both passive and active attacks characteristic attack

  1. True
  2. False

Answer(s): A



Proxy firewalls need to develop a protocol for each application layer proxy, long development cycle, but it is difficult to upgrade.

  1. True
  2. False

Answer(s): A



In GRE VPN technology, GRE packet header belongs transport protocol.

  1. True
  2. False

Answer(s): B



In the GRE configuration environment, which of the following configuration can be achieved without the need to configure rules can guarantee inter-domain data streams forwarded correctly.

  1. Tunnel interface to the physical interface and its bearers belonging to different security zones
  2. Tunnel interface to the physical interface of its bearers belonging to the same security zone
  3. Physical interface belongs Untrust zone and its bearing Tunnel interface belongs to Local area
  4. All other options are correct

Answer(s): B



Description of the error based GRE encapsulation and de-encapsulation yes?

  1. Packaging process: after the original packet routing to pass through to find the packet to start trigger GRE tunnel interface module encapsulation
  2. Packaging process: After the GRE module package, this package will enter the IP module for further processing
  3. Decapsulation process: After receipt of GRE packet destination, find the route to pass through the packet to the GRE tunnel interface module start trigger decapsulate
  4. Decapsulation process: After the GRE module solution package, this package will enter the IP module for further processing

Answer(s): C



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