100-160: CCST CybersecurityDemo

By Cisco · Question Mode

QuestionQ22

Basic Network Security Concepts

Your home network appears to have slowed down significantly. In the home router GUI, you notice that an unknown host is connected to the network.

What should you do to stop this specific host from connecting to the network again?

  • A Block the host IP address.
  • B Change the network SSID.
  • C Implement MAC address filtering.
  • D Create an IP access control list.
Explanation

MAC address filtering can deny network access to the specific device based on its MAC address. IP-based blocking is not device-specific because the host can receive or configure another IP address, and changing the SSID does not directly prevent that host from reconnecting.

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