CREST Practitioner Security Analyst (CPSA) Practice

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MS-SQL is associated with which port number?

1433
80
443
53

The correct answer is: 1433

MS-SQL, which stands for Microsoft SQL Server, is commonly associated with port number 1433. This is the default port used by the SQL Server database engine to listen for incoming connections from clients. When SQL Server is installed, it typically binds to TCP/IP port 1433, allowing client applications to connect and perform database operations. Understanding the default port for services is crucial for tasks such as configuring firewalls, ensuring proper network routing, and securing database connections. The other port numbers listed serve different purposes. Port 80 is primarily utilized for HTTP traffic, which is fundamental for web servers serving standard web pages. Port 443 is associated with HTTPS, the secure version of HTTP, used for encrypted communication over the web. Port 53 is designated for DNS queries, responsible for translating domain names into IP addresses. Hence, the significance of port number 1433 specifically lies in its exclusive relationship with MS-SQL.