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220-1102 Practice Question: A technician is applying a critical security…
This 220-1102 practice question tests your understanding of a technician is applying a critical security…. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 technician is applying a critical security patch to a production database server. The patch was fully tested in a lab environment and approved by the Change Advisory Board (CAB). During the scheduled maintenance window, the technician begins the installation. Halfway through, the server becomes unresponsive and fails to restart. Which of the following should the technician do FIRST according to change management best practices?
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
Reboot the server and attempt the patch installation again.
Reattempting the same patch without investigation or a backout plan can worsen the failure and does not follow change management best practices.
B
Best answer
Execute the prepared rollback plan to restore the server to its previous state.
The rollback plan is the predefined backout strategy approved by the CAB. Following it first ensures a controlled recovery and adheres to change management procedures.
C
Distractor review
Contact the software vendor for support before taking any other action.
Contacting the vendor may be necessary later but the immediate priority is to restore service using the prepared rollback plan. Change management dictates that the backout plan be executed first.
D
Distractor review
Perform a full system restore from the most recent backup.
While this may be part of a rollback plan, it is not the first step. The technician should follow the entire predefined rollback process, which may include less drastic measures first.
Answer analysis
Why the other options are wrong
Understanding why incorrect options are tempting is as important as knowing the correct answer.
- ✗
Reboot the server and attempt the patch installation again.
Reattempting the same patch without investigation or a backout plan can worsen the failure and does not follow change management best practices.
- ✗
Contact the software vendor for support before taking any other action.
Contacting the vendor may be necessary later but the immediate priority is to restore service using the prepared rollback plan. Change management dictates that the backout plan be executed first.
- ✗
Perform a full system restore from the most recent backup.
While this may be part of a rollback plan, it is not the first step. The technician should follow the entire predefined rollback process, which may include less drastic measures first.
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: Execute the prepared rollback plan to restore the server to its previous state. — Change management requires that a documented backout plan (rollback plan) be prepared before any change is implemented. This plan outlines the steps to revert the system to its previous working state. The first action when a change fails is to execute the backout plan to minimize downtime. Rebooting repeatedly (A) could cause data corruption or further issues. Calling the vendor (C) may be appropriate after rollback but not first. Performing a system restore (D) is part of a backout plan but is not the very first proactive step; the technician should follow the prepared rollback procedure which may include restore steps.
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.
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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…
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- 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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