When designing a new Voice over Internet Protocol (VoIP) network, an organization's top concern is preventing unauthorized users accessing the VoIP network. Which of the following will BEST help secur

Question

Options

• ATransport Layer Security (TLS)
• B802.1x
• C802.119
• DWeb application firewall (WAF)

• A
  3% (1)
• B
  84% (31)
• C
  11% (4)
• D
  3% (1)

Explanation

802.1x is the standard that will best help secure the VoIP network from unauthorized users. 802.1x is a protocol that provides port-based network access control, which means that it controls the access to a network port based on the authentication and authorization of the device or the user that is trying to connect to the port. 802.1x can be used to secure the VoIP network by preventing unauthorized devices or users from accessing the network ports that are used for VoIP communication, such as the ports on the switches, routers, or phones. 802.1x can also prevent unauthorized devices or users from accessing the network resources or services that are available through the VoIP network, such as voice mail, call forwarding, or conferencing. 802.1x can also prevent unauthorized devices or users from eavesdropping, intercepting, or modifying the VoIP traffic, by encrypting the communication between the devices and the network ports.

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