CCOA Technology Essentials Practice Question
You are investigating a network segment using a protocol analyzer. You see traffic with the RST flag set. What does this typically signify?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
An immediate termination of a connection.
The RST (Reset) flag in TCP is used to immediately close a connection, often due to an error or an attempt to terminate a rejected session.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
A request for retransmission.
Why it's wrong here
Retransmission occurs due to missed ACKs, not the RST flag.
- ✓
An immediate termination of a connection.
Why this is correct
RST is used to abruptly close a connection, often when a connection is refused or reset.
- ✗
A request for a new connection.
Why it's wrong here
This is the SYN flag.
- ✗
A data acknowledgment.
Why it's wrong here
This is the ACK flag.
Visual reference
About these practice questions
This CCOA question is part of Courseiva's 203-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official ISACA exam blueprint
This CCOA practice question is part of Courseiva's free ISACA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CCOA exam.