🔥 40% Off Crucial Exams Memberships — This Week Only

2 days, 9 hours remaining!
Crucial Exams

ISC2 Systems Security Certified Practitioner (SSCP) Practice Question

An engineer is tightening inbound network rules for an Amazon EC2 instance that will run a plain-text Internet Message Access Protocol (IMAP) service. Email clients must be able to retrieve messages over TCP without TLS, while POP3 and SMTP access remain blocked. Which single TCP port should be opened in the security group to meet these requirements?

  • TCP port 110

  • TCP port 25

  • TCP port 993

  • TCP port 143

ISC2 Systems Security Certified Practitioner (SSCP)
Network and Communication Security
Your Score:
Settings & Objectives
Random Mixed
Questions are selected randomly from all chosen topics, with a preference for those you haven’t seen before. You may see several questions from the same objective or domain in a row.
Rotate by Objective
Questions cycle through each objective or domain in turn, helping you avoid long streaks of questions from the same area. You may see some repeat questions, but the distribution will be more balanced across topics.

Check or uncheck an objective to set which questions you will receive.

Wipe Score
Bash, the Crucial Exams Chat Bot
AI Bot