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220-1102 Practice Question: A security analyst confirms that a user's…
This 220-1102 practice question tests your understanding of a security analyst confirms that a user's…. 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.
A security analyst confirms that a user's workstation is infected with a rootkit that is actively hiding malicious processes and network connections. The analyst has already isolated the system by disconnecting it from the network and has created a forensic image of the hard drive for evidence. According to industry best practices for incident response, what should the analyst do NEXT?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Distractor review
Run a full antivirus and anti-rootkit scan on the system
Antivirus and anti-rootkit tools may not fully detect or remove all components of a sophisticated rootkit; reimaging is the preferred approach for eradication.
B
Best answer
Reinstall the operating system from a known good source
Reimaging or reinstalling the OS ensures that any rootkit persistence mechanisms are eliminated, providing a high confidence that the system is clean.
C
Distractor review
Attempt to manually remove the rootkit using specialized analysis tools
Manual removal is complex, time-consuming, and uncertain; best practice is to wipe and rebuild to guarantee removal of the rootkit.
D
Distractor review
Leave the system powered off and disconnected until a patch is available
Leaving the system offline does not remediate the infection; proactive steps like reimaging are required to restore the system to a trusted state.
Answer analysis
Why the other options are wrong
Understanding why incorrect options are tempting is as important as knowing the correct answer.
- ✗
Run a full antivirus and anti-rootkit scan on the system
Antivirus and anti-rootkit tools may not fully detect or remove all components of a sophisticated rootkit; reimaging is the preferred approach for eradication.
- ✗
Attempt to manually remove the rootkit using specialized analysis tools
Manual removal is complex, time-consuming, and uncertain; best practice is to wipe and rebuild to guarantee removal of the rootkit.
- ✗
Leave the system powered off and disconnected until a patch is available
Leaving the system offline does not remediate the infection; proactive steps like reimaging are required to restore the system to a trusted state.
Common exam trap
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.
Technical deep dive
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.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A change advisory board (CAB) approved a standard change to update antivirus definitions on all servers. The technician completes the update on a file server and verifies the server is functioning normally. According to change management best practices, what documentation should the technician complete?
Question 2
A company's change management policy requires all server changes to be approved by the Change Advisory Board (CAB). A technician discovers that a critical database server's operating system needs a security patch to comply with a new regulatory requirement that takes effect in one week. The patch has a known risk of causing service downtime. The next scheduled CAB meeting is in two weeks. What should the technician do FIRST?
Question 3
A company is implementing a bring-your-own-device (BYOD) policy and needs to ensure that corporate data on employee mobile devices is protected. Which of the following is the MOST important technical control to implement?
Question 4
A company requires employees to present both a smart card and a PIN to log into their workstations. Which authentication principle is being implemented?
Question 5
A company requires all Windows 10 workstations to be able to join an Active Directory domain. Which edition of Windows 10 must be installed on these workstations?
Question 6
A company wants to allow employees to securely access internal resources from home via the internet. Which method provides the highest level of security for remote desktop connections?
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FAQ
Questions learners often ask
What does this 220-1102 question test?
Static NAT maps one inside address to one outside address.
What is the correct answer to this question?
The correct answer is: Reinstall the operating system from a known good source — Rootkits are designed to subvert the operating system and can survive typical removal attempts. The only reliable way to ensure the system is completely clean is to reinstall the operating system from a trusted source (e.g., original installation media) and then restore data from a clean backup. Attempting to clean a rootkit in place is risky because the rootkit may reinfect or hide remnants. Running a scan or using removal tools may not fully eradicate the rootkit. Leaving the system powered off is not a remediation step.
What should I do if I get this 220-1102 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 220-1102 NAT questions on configuration and troubleshooting.
About these practice questions
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More 220-1102 practice questions
- A change advisory board (CAB) approved a standard change to update antivirus definitions on all servers. The technician…
- A company's change management policy requires all server changes to be approved by the Change Advisory Board (CAB). A te…
- A company is implementing a bring-your-own-device (BYOD) policy and needs to ensure that corporate data on employee mobi…
- A company requires employees to present both a smart card and a PIN to log into their workstations. Which authentication…
- A company requires all Windows 10 workstations to be able to join an Active Directory domain. Which edition of Windows 1…
- A company wants to allow employees to securely access internal resources from home via the internet. Which method provid…
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This 220-1102 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 220-1102 exam.