Typically, Users Within a VPN Only Communicate with Other Users

question 97

Multiple Choice

Typically, users within a VPN only communicate with other users in the same VPN. They cannot communicate with users on the Internet or access the Internet. Many VPN sites, however, may need to access the Internet. Which of the following statements regarding interconnection between the VPN and the Internet are true?

• A) The interconnection between the VPN and the Internet can be implemented on the PE. However, the implementation is complex and may bring security risks. The PE is vulnerable to DoS attacks from the Internet.
• B) Directly connect the CE to the Internet on the user side. Each user site can independently access the Internet. That is, a default route destined for the Internet is configured on the CE of each site.
• C) Configure the PE to send a default route destined for the Internet to the CE, and add a default route destined for the Internet gateway to the VPN instance routing table.
• D) Isolating public network routes and VPN routes on the user side is simple, secure, and reliable.

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Definitions:

Mask Parameter

A technique or value used to selectively filter or process information, often in digital communication or image processing.

Sequencer File

A structured list or table used in programming of automation systems, which controls the execution of operations in a fixed sequence.

Sequencer Instructions

Commands used in PLC programming that control the execution order of a series of operations.

Ladder Program

A graphical programming language used in industrial automation that represents circuits and logic control through symbols resembling a ladder.