(Single-choice) HSI service uses VLAM tags to bind users precisely, if there are 5K FTTH hanging under the
LT Users, which VLAN switching scheme is recommended?

• A.User VLAN->C'VLAN->S+CVLAN
• B.C>S+C
• C.c>S
• D.S+C>S+C
• E.C>S+C

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(Single choice) The following statement about ssH connection is incorrect, yes

• A.ssH can be applied to remote encryption of encrypted file transfers over remote encryption connections
• B.The ssH protocol is working at the network layer
• C.The ssH protocol encrypts all transmitted data, effectively preventing information leakage problems
  during remote management
• D.From a client perspective, SSH provides two levels of security authentication.

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