The answer is HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services, as this registry hive stores the configuration for all Windows services, including their executable paths and startup types. Malware often installs itself as a service to achieve persistence, and evidence of this can be found by examining the ImagePath value under a suspicious service subkey. This is the correct location for service-based persistence, unlike the Run keys which handle startup programs for users. On the Cisco CyberOps Associate 200-201 exam, this tests your ability to distinguish between persistence mechanisms—a common trap is confusing the Run keys (user-level startup) with the Services hive (system-level service persistence). Remember: services run before user login, so malware hiding here survives reboots silently. A helpful memory tip is “Services start silently, Run keys run visibly”—if the persistence is automatic and system-wide, check the Services hive first.
200-201 Host-Based Analysis Practice Question
This 200-201 practice question tests your understanding of host-based analysis. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 Windows registry hive is most likely to contain evidence of malware persistence via a service?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
The HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services registry hive stores the configuration for all Windows services, including their executable paths and startup types. Malware often installs itself as a service to achieve persistence, and evidence of this can be found by examining the ImagePath value under a suspicious service subkey. This is the correct location for service-based persistence, unlike the Run keys which handle startup programs for users.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
SAM contains user passwords, not service information.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the distinction between Run keys (user logon persistence) and Services keys (system service persistence), and the trap here is that candidates confuse the Run keys with service persistence because both are common persistence mechanisms, but only the Services hive stores service-specific configurations.
Detailed technical explanation
How to think about this question
Under the Services subkey, each service has a subkey containing values like ImagePath (the executable path), Start (startup type: 2=auto, 3=manual, 4=disabled), and ObjectName (account context). Malware may set ImagePath to a malicious binary or use a command line like 'cmd /c start evil.exe' to evade detection. In real-world incidents, forensic analysts use tools like 'reg query' or 'autorunsc' to enumerate these keys and identify services with unusual paths or misspellings of legitimate service names.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Host-Based Analysis — This question tests Host-Based Analysis — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services — The HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services registry hive stores the configuration for all Windows services, including their executable paths and startup types. Malware often installs itself as a service to achieve persistence, and evidence of this can be found by examining the ImagePath value under a suspicious service subkey. This is the correct location for service-based persistence, unlike the Run keys which handle startup programs for users.
What should I do if I get this 200-201 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
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These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. Which Windows registry hive contains user-specific configuration settings that can be modified by applications?
easy
A.HKEY_CLASSES_ROOT
B.HKEY_LOCAL_MACHINE
✓ C.HKEY_CURRENT_USER
D.HKEY_USERS
Why C: HKEY_CURRENT_USER (HKCU) is the correct answer because it stores user-specific configuration settings, such as desktop preferences, environment variables, and application settings, that are loaded from the NTUSER.DAT file when a user logs in. Applications modify this hive to persist per-user customizations, making it the primary location for user-level registry changes.
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This 200-201 practice question is part of Courseiva's free Cisco 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 200-201 exam.
Question Discussion
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