200-201 Security Monitoring Practice Question
In Wireshark, an analyst follows a TCP stream and sees plaintext usernames and passwords. Which protocol is likely in use?
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
✓
FTP
FTP transmits credentials in plaintext. Other protocols (HTTPS, SSH, SFTP) encrypt traffic.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
HTTPS
Why it's wrong here
HTTPS encrypts HTTP traffic.
- ✗
SFTP
Why it's wrong here
SFTP uses SSH encryption.
- ✓
FTP
Why this is correct
FTP sends credentials in cleartext.
- ✗
SSH
Why it's wrong here
SSH encrypts all traffic.
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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.