CREST Practitioner Security Analyst (CPSA) Practice

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Port 118 is used for which type of services?

SQL Services
Remote Procedures
Message Queuing
Internet Telephony

The correct answer is: SQL Services

The correct answer indicates that port 118 is primarily used for SQL Services, which refers to the use of SQL (Structured Query Language) for managing and querying databases. This port is associated with the X11 server (specifically, it is used for the AFS (Andrew File System) service), but when focusing on database management and communication within systems, SQL services are understood to utilize this port for specific applications or environments. In contrast, the other options represent different types of services that are not associated with port 118. Remote Procedures generally utilize other ports to handle calls and communication effectively. Message Queuing refers to a method where messages are sent between services or applications and also does not specifically use port 118. Internet Telephony typically operates on a range of ports defined by protocols like SIP (Session Initiation Protocol) or RTP (Real-time Transport Protocol), which again do not include port 118. Understanding the context of port assignments can help identify the appropriate services associated with them—and in this case, recognizing port 118's primary functionality with SQL services provides clarity on their relationship.