200-201 Network Intrusion Analysis Practice Question
A security analyst is investigating a PCAP and sees the following HTTP POST request: POST /login HTTP/1.1 ... username=admin&password=letmein. Which TWO attack indicators are present?
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
✓
Use of weak or default credentials
The plaintext credentials in an HTTP POST indicate credential theft (sniffing) and the use of weak or default passwords (common attack vector).
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Cross-site scripting (XSS) payload
Why it's wrong here
No script tags or JavaScript code is visible.
- ✗
Buffer overflow attempt
Why it's wrong here
No shellcode or long input indicating overflow.
- ✗
SQL injection attack
Why it's wrong here
No SQL keywords like SELECT or UNION are present.
- ✓
Use of weak or default credentials
Why this is correct
The password 'letmein' is a common weak password.
- ✓
Credential theft via plaintext transmission
Why this is correct
Credentials are sent in cleartext over HTTP.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 200-201 practice question is part of Courseiva's free Cisco 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 200-201 exam.