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CAS-004 Practice Question: Implementing a SIEM solution and needs to ensure…
A company is implementing a SIEM solution and needs to ensure that logs from network devices, servers, and endpoints are collected in a consistent format. Which protocol should be used to transport logs securely?
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
✓
Syslog over TLS
Syslog over TLS provides encryption and reliable delivery for log transport. Option A (Syslog over UDP) is unencrypted and unreliable. Option C (SFTP) is a file transfer protocol, not suitable for real-time log streaming. Option D (SNMP traps) is used for network management alerts, not comprehensive log collection.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Syslog over UDP
Why it's wrong here
UDP is connectionless and unencrypted, providing no security.
- ✓
Syslog over TLS
Why this is correct
Syslog over TLS ensures encrypted and authenticated log transport.
- ✗
SFTP
Why it's wrong here
SFTP is for file transfer, not real-time syslog.
- ✗
SNMP traps
Why it's wrong here
SNMP traps are for network management, not general log collection.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CAS-005 practice question is part of Courseiva's free CompTIA 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 CAS-005 exam.