Which of the following are remote authentication methods? (Multiple choice)

• A.LLDP
• B.RADIUS
• C.HWTACACS
• D.Local

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Regarding the description of the GRE VPN tunnel configuration, which of the following options are correct?

• A.The tunnel interface must be added to the security zone
• B.The tunnel address must ensure that the network layer is reachable
• C.The tunnel interface numbers of the devices at both ends must be the same
• D.The tunnel interface must be configured with an IP address

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Which of the following sequence for incident response management is correct?
1 Detection 2 Report 3 Mitigation 4 Summarize experience 5 Repair 6 Recovery 7 Response

• A.1-2-3-7-6-5-4
• B.1-3-2-7-5-6-4
• C.1-7-3-2-6-5-4
• D.1-3-2-7-6-5-4

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Regarding VPN, which of the following statements is wrong?

• A.VPN technology must involve encryption technology
• B.Virtual private network has lower cost than dedicated line
• C.The emergence of VPN technology allows employees on business trips to remotely access the internal server of the enterprise
• D.VPN technology is a technology that multiplexes logical channels on actual physical lines

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Regarding the description of the operating system, which of the following is false?

• A.The operating system is the interface between the user and the computer
• B.The operating system is responsible for managing all hardware resources of the computer system and controlling the execution of software.
• C.The interface between the operating system and the user is a graphical interface
• D.The operating system itself is also software

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