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220-1102 Practice Question: That a custom line-of-business application fails…
This 220-1102 practice question tests your understanding of that a custom line-of-business application fails…. 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 user reports that a custom line-of-business application fails to launch on Windows 10 Pro with the error 'This application could not be started. Application Error: 0xc0000142'. The application worked correctly on Windows 7. The technician has verified the application is compatible with Windows 10 per the vendor, and has run System File Checker (SFC) and Deployment Image Servicing and Management (DISM) with no issues found. The application requires administrative privileges and is already configured to 'Run as administrator' in the compatibility settings. Which of the following 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
Best answer
Enable the 'Run this program in compatibility mode for Windows 7' setting.
Compatibility mode for Windows 7 provides the application with the expected OS environment, often resolving initialization failures that occur due to OS version differences.
B
Distractor review
Disable the 'Run as administrator' setting to reduce permissions.
Disabling 'Run as administrator' is unlikely to help and may actually cause other issues if the application requires elevated privileges.
C
Distractor review
Re-register all DLL files associated with the application.
While re-registering DLLs can fix some loading errors, it is not the most appropriate first step given the application worked on Windows 7 and the error is likely due to OS compatibility.
D
Distractor review
Perform a clean boot to eliminate software conflicts.
A clean boot is a useful diagnostic step for identifying conflicting services, but compatibility mode is a more direct solution given the history of the application working on Windows 7.
Answer analysis
Why the other options are wrong
Understanding why incorrect options are tempting is as important as knowing the correct answer.
- ✗
Disable the 'Run as administrator' setting to reduce permissions.
Disabling 'Run as administrator' is unlikely to help and may actually cause other issues if the application requires elevated privileges.
- ✗
Re-register all DLL files associated with the application.
While re-registering DLLs can fix some loading errors, it is not the most appropriate first step given the application worked on Windows 7 and the error is likely due to OS compatibility.
- ✗
Perform a clean boot to eliminate software conflicts.
A clean boot is a useful diagnostic step for identifying conflicting services, but compatibility mode is a more direct solution given the history of the application working on Windows 7.
Common exam trap
Common exam trap: authentication is not authorization
Logging in proves the user can authenticate. It does not automatically mean the user is allowed to enter privileged or configuration mode. Watch for AAA authorization, privilege level and command authorization details.
Technical deep dive
How to think about this question
This kind of question is testing the difference between identity and permission. A user may successfully log in to a router because authentication is working, but still fail to enter configuration mode because authorization is missing, misconfigured or mapped to a lower privilege level.
KKey Concepts to Remember
- Authentication checks who the user is.
- Authorization controls what the user is allowed to do after login.
- Privilege levels affect access to EXEC and configuration commands.
- AAA, TACACS+ and RADIUS can separate login success from command access.
TExam Day Tips
- Do not assume successful login means full administrative access.
- Look for words such as cannot enter configuration mode, privilege level, authorization or command access.
- Separate login problems from permission problems before choosing the answer.
Key takeaway
Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
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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?
Authentication checks who the user is.
What is the correct answer to this question?
The correct answer is: Enable the 'Run this program in compatibility mode for Windows 7' setting. — The error 0xc0000142 typically indicates an application initialization failure often caused by a DLL mismatch or dependency issue when running on a newer OS. Since the application worked on Windows 7, enabling compatibility mode for Windows 7 can resolve many such issues by providing the expected OS environment. Compatibility mode does not conflict with 'Run as administrator' settings. Re-registering DLLs might help but is more specific, and a clean boot would be a broader troubleshooting step that should be attempted later if compatibility mode fails.
What should I do if I get this 220-1102 question wrong?
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related 220-1102 questions on access control and AAA configuration.
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