CHFI Computer Forensics Fundamentals and Process Practice Question
This CHFI practice question tests your understanding of computer forensics fundamentals and process. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Which TWO of the following are essential components of a proper chain of custody documentation? (Select TWO)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Date and time of evidence collection
Chain of custody must include who handled the evidence, when (date/time), and what was done. Access control and backup procedures, while important, are not typically part of the chain of custody form itself.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
The IP address of the forensic workstation
Why it's wrong here
The IP address is not a standard component of chain of custody; it may be noted elsewhere.
✗
Backup location of the evidence
Why it's wrong here
Backup location is not typically on the chain of custody form; it is part of evidence storage procedures.
✓
Date and time of evidence collection
Why this is correct
The exact date and time when evidence was collected is a fundamental part of chain of custody.
Related concept
Static NAT maps one inside address to one outside address.
✓
Signature of the person handling the evidence
Why this is correct
Each person who handles the evidence must sign and date the chain of custody log.
Related concept
Static NAT maps one inside address to one outside address.
✗
The forensic tool used to analyze the evidence
Why it's wrong here
The tool used for analysis is typically documented in the examination notes, not in the chain of custody.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
Static NAT maps one inside address to one outside address.
PAT allows many inside hosts to share one public address using ports.
Inside local and inside global describe the private and translated addresses.
NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
→Identify inside and outside interfaces first.
→Check whether the scenario needs static NAT, dynamic NAT or PAT.
→Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
How this comes up in practice
A small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this CHFI question in full detail.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related CHFI NAT questions on configuration and troubleshooting.
Computer Forensics Fundamentals and Process — This question tests Computer Forensics Fundamentals and Process — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Date and time of evidence collection — Chain of custody must include who handled the evidence, when (date/time), and what was done. Access control and backup procedures, while important, are not typically part of the chain of custody form itself.
What should I do if I get this CHFI question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related CHFI NAT questions on configuration and troubleshooting.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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Question Discussion
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