CREST Practitioner Security Analyst (CPSA) 2026 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 485

Which service uses port 29?

MSG ICP

The service that uses port 29 is MSG ICP, which stands for Message Integrity Check Protocol. This protocol is utilized in various messaging applications to ensure the integrity of messages being transmitted over a network. It plays a crucial role in verifying that messages have not been altered during transit, thereby maintaining the integrity and reliability of communications.

In contrast, the other options represent widely known services tied to different ports. SMTP, for instance, is known for using port 25 for sending emails, SSH uses port 22 to enable secure remote logins, and DNS operates primarily over port 53 to resolve domain names to IP addresses. Each of these services plays critical roles in networking and communication, but they do not relate to port 29. Recognizing that MSG ICP is specifically associated with port 29 helps in understanding the broader context of network protocols and their designated communication ports.

Get further explanation with Examzify DeepDiveBeta

SMTP

SSH

DNS

Next Question

Report this question

Download CREST Practitioner Security Analyst (CPSA) Practice PDF Study Guide
Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy