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CMA Foundation · Fundamentals of Business Laws and Business Communication · Internet-based Business Communication

The primary function of a firewall in an organisation's network is to:

A firewall monitors and filters incoming and outgoing network traffic according to predefined security rules, acting as a barrier between a trusted internal network and untrusted external networks. It is not meant to speed up connections, check spelling or back up emails.

  1. AMonitor and filter incoming and outgoing network traffic based on security rulesCorrect
  2. BAutomatically correct spelling errors in business emails
  3. CIncrease the speed of the internet connection
  4. DStore backup copies of all employee emails

Explanation

A firewall acts as a barrier between a trusted internal network and external networks, allowing or blocking traffic according to defined rules. It does not improve speed, correct text or serve as a backup system.

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