CREST Practitioner Security Analyst (CPSA) Practice

What is the function of port 37?

1. Time

2. Database Connections

3. File Transfer

4. Web Services

The correct answer is: Time

Port 37 is designated for the Time Protocol, which is primarily used to synchronize time across computers within a network. This protocol allows a system to request the current time information from another system, making it crucial for maintaining accurate timestamps for various processes and events in computing. The Time Protocol operates over UDP (User Datagram Protocol), and its importance lies in ensuring that systems are in sync, particularly in distributed environments where coordinated timing is essential for functionalities like logging events or coordinating communications. The other options pertain to different functions: - Database Connections typically utilize ports such as 3306 for MySQL or 5432 for PostgreSQL. - File Transfer mechanisms are usually associated with ports like 21 for FTP and 22 for SFTP/SSH. - Web Services generally operate on ports 80 for HTTP and 443 for HTTPS. Therefore, the role of port 37 as the Time Protocol distinctly positions it within networking, underscoring its utility for time synchronization instead of the other functions described.