CREST Practitioner Security Analyst (CPSA) Practice

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What does the port 6667 commonly support?

  1. File transfer protocols

  2. IRC (Internet Relay Chat)

  3. Secure web traffic

  4. Database connections

The correct answer is: IRC (Internet Relay Chat)

Port 6667 is commonly associated with Internet Relay Chat (IRC), which is a protocol used for real-time communication. IRC allows users to connect to chat rooms and engage in conversations or discussions with others. This port is the default for many IRC services and facilitates the exchange of messages between clients and servers in the IRC network. While other ports serve different protocols, such as file transfers or secure web traffic, port 6667 specifically relates to the messaging capabilities of IRC, making it a key element in the context of online communication platforms. Understanding the purpose of this port helps reinforce knowledge of network protocols and their respective functions, which is critical for professionals in the field of cybersecurity and network management.