ISC2 CC Network Security Practice Question
Which of the following is a common mitigation technique for a SYN flood attack?
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
✓
SYN cookies
SYN cookies allow the server to respond to SYN requests without maintaining state until the connection is verified, reducing the impact of SYN floods.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
SYN cookies
Why this is correct
SYN cookies encode connection state in the SYN-ACK response.
- ✗
Use UDP instead of TCP
Why it's wrong here
UDP is not used for TCP connections.
- ✗
Disable TCP timestamps
Why it's wrong here
Disabling timestamps does not prevent SYN floods.
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Increase the TCP backlog queue
Why it's wrong here
Increasing the backlog can be overwhelmed by a flood.
Visual reference
Go deeper
Related to this question
Learn chapter
Authentication and Authorization Methods
Key term
Impact
Impact is the measure of the potential damage or harm that a risk event could cause to an organization's assets, operations, or reputation.
Key term
Denial-of-service
A Denial-of-service (DoS) attack is an attempt to make a computer, network, or online service unavailable to its intended users by overwhelming it with fake traffic or requests.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CC practice question is part of Courseiva's free ISC2 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 CC exam.