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Which security solution can an organization deploy to prevent unauthorized external access to its internal network? VPN Firewall Sniffer IDS

Question

Which security solution can an organization deploy to prevent unauthorized external access to its internal network?

  • VPN
  • Firewall
  • Sniffer
  • IDS
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Solution

An organization can deploy a Firewall to prevent unauthorized external access to its internal network.

Here's a step-by-step explanation:

  1. A firewall is a network security device that monitors incoming and outgoing network traffic.
  2. It decides whether to allow or block specific traffic based on a defined set of security rules.
  3. Firewalls have been a first line of defense in network security for over 25 years.
  4. They establish a barrier between secured and controlled internal networks that can be trusted and untrusted outside networks, such as the Internet.
  5. Therefore, by using a firewall, an organization can prevent unauthorized external access to its internal network.

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