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220-1102 Practice Question: A change request to upgrade the operating system…
This 220-1102 practice question tests your understanding of a change request to upgrade the operating system…. 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 change request to upgrade the operating system on a database server has been approved by the Change Advisory Board (CAB). During the scheduled maintenance window, the technician completes the upgrade successfully. However, after rebooting, a critical business application fails to connect to the database. A full backup of the server was taken before the change. According to change management best practices, what should the technician 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
Document the failure and escalate to the CAB for guidance on next steps.
Documentation and escalation are important, but the immediate priority is to restore service because a critical application is failing. The rollback plan should be executed first.
B
Best answer
Restore the server from the backup to return to the previous state.
This is the correct rollback action. Since a full backup was taken, restoring it will revert the system to its pre-change configuration, restoring application functionality while the issue is analyzed.
C
Distractor review
Apply additional patches or configuration changes to the database server to fix the compatibility issue.
Applying unplanned patches or changes without understanding the root cause is risky and violates change management protocols. The proper approach is to rollback first.
D
Distractor review
Reboot the server again to see if the application connection issue resolves itself.
A second reboot is unlikely to fix a compatibility or configuration issue introduced by the OS upgrade. This action delays the necessary rollback and may violate the maintenance window.
Answer analysis
Why the other options are wrong
Understanding why incorrect options are tempting is as important as knowing the correct answer.
- ✗
Document the failure and escalate to the CAB for guidance on next steps.
Documentation and escalation are important, but the immediate priority is to restore service because a critical application is failing. The rollback plan should be executed first.
- ✗
Apply additional patches or configuration changes to the database server to fix the compatibility issue.
Applying unplanned patches or changes without understanding the root cause is risky and violates change management protocols. The proper approach is to rollback first.
- ✗
Reboot the server again to see if the application connection issue resolves itself.
A second reboot is unlikely to fix a compatibility or configuration issue introduced by the OS upgrade. This action delays the necessary rollback and may violate the maintenance window.
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: Restore the server from the backup to return to the previous state. — The best practice in change management is to have a rollback plan. Since the change caused an unexpected negative impact (application outage), the technician should restore the server from the backup to return to the previous known-good state. This minimizes downtime and allows for a thorough investigation. Escalating (A) is appropriate after rollback, but the immediate priority is to restore service. Applying additional patches (C) could introduce further issues without a clear diagnosis. Rebooting again (D) is unlikely to resolve a compatibility issue.
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…
- 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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