Free Huawei H12-711_V4.0 Exam Dumps Questions & Answers

The keys used by the IPSec encryption and authentication algorithms can be configured manually or dynamically negotiated via the ____ protocol. (abbreviation, all uppercase).

Database operation records can be used as ___ evidence to backtrack security events.

Which of the following statements are incorrect about the differences between routers and Layer 2 switches?

• A.  By default, switches can isolate collision domains but not broadcast domains.
• B.  Switches flood broadcast packets.
• C.  Routers forward broadcast packets.
• D.  By default, routers can isolate broadcast domains but not collision domains.

Which of the following problems cannot be solved using PKI?

• A.  Data may be eavesdropped and tampered with during transmission, and information security cannot be ensured.
• B.  The transaction parties cannot verify the identities of each other.
• C.  The network is congested due to heavy traffic. As a result, the server cannot provide services properly.
• D.  No paper receipt is used in transaction, making arbitration difficult.

As shown in the figure, which of the following shows the authentication range of ESP in transport mode?

• A.  4
• B.  2
• C.  3
• D.  1