The answer is to check if a user is logged in on the remote system. This command works because the Explorer process (`explorer.exe`) is only launched when a user has an interactive desktop session, such as after a successful logon via RDP or the console; if the process exists, a user is actively logged in. On the CompTIA PenTest+ PT0-002 exam, this technique tests your understanding of post-exploitation reconnaissance, where verifying user presence is critical before deploying keyloggers or performing token theft. A common trap is confusing this with checking for running applications or system uptime—remember that `explorer` is tied specifically to the Windows shell, not background services. For a memory tip: think “Explorer = Explorer session” — if you see the process, a user is exploring the desktop.
PT0-002 Tools and Code Analysis Practice Question
This PT0-002 practice question tests your understanding of tools and code analysis. 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 penetration tester is analyzing a PowerShell script used for post-exploitation on a Windows domain. The script contains the following line: Invoke-Command -ComputerName $target -ScriptBlock { get-process -Name "explorer" }. What is the primary purpose of this command?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "primary"
Why it matters: Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.
Why wrong: Get-Process only retrieves process information; it does not start processes.
B
To check if a user is logged in on the remote system
The presence of explorer.exe is a strong indicator of an interactive user session.
C
To enumerate running processes on the remote system
Why wrong: While it does enumerate processes, the specific filter for 'explorer' indicates the goal is to determine user logon status, not general enumeration.
D
To execute a script block locally on the remote system
Why wrong: Invoke-Command with -ComputerName executes the script block remotely, not locally.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
To check if a user is logged in on the remote system
The `Get-Process -Name 'explorer'` command retrieves the Explorer process, which runs only when a user is interactively logged into the Windows desktop. If the command returns a process object, it confirms a user session is active on the remote system. This is a common post-exploitation technique to verify user presence before executing further actions like keylogging or token theft.
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.
✗
To start the Explorer process on a remote system
Why it's wrong here
Get-Process only retrieves process information; it does not start processes.
✓
To check if a user is logged in on the remote system
Why this is correct
The presence of explorer.exe is a strong indicator of an interactive user session.
Clue confirmation
The clue word "primary" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
To enumerate running processes on the remote system
Why it's wrong here
While it does enumerate processes, the specific filter for 'explorer' indicates the goal is to determine user logon status, not general enumeration.
✗
To execute a script block locally on the remote system
Why it's wrong here
Invoke-Command with -ComputerName executes the script block remotely, not locally.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates see 'Get-Process' and assume it enumerates all processes (option C), missing the specific filter for 'explorer' which is a known indicator of an active user session.
Trap categories for this question
Command / output trap
Invoke-Command with -ComputerName executes the script block remotely, not locally.
Detailed technical explanation
How to think about this question
Under the hood, `Invoke-Command` uses WinRM (WS-Management) to establish a remote PowerShell session, and the script block runs in a new PowerShell process on the target. The Explorer process is tied to the interactive logon session (session ID 1 typically), so its presence indicates a logged-in user with a desktop. In real-world engagements, this check is often combined with `Get-WmiObject Win32_ComputerSystem` to verify the last logged-in user or session state.
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 developer is choosing between AES-256 (symmetric) and RSA-2048 (asymmetric) for encrypting a large file that will be sent to a partner. Symmetric encryption is fast but requires key exchange; asymmetric is slower but solves the key distribution problem. A hybrid approach — encrypt the file with AES, encrypt the AES key with RSA — is standard. Questions like this test whether you understand when each approach applies.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this PT0-002 question in full detail.
Tools and Code Analysis — This question tests Tools and Code Analysis — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: To check if a user is logged in on the remote system — The `Get-Process -Name 'explorer'` command retrieves the Explorer process, which runs only when a user is interactively logged into the Windows desktop. If the command returns a process object, it confirms a user session is active on the remote system. This is a common post-exploitation technique to verify user presence before executing further actions like keylogging or token theft.
What should I do if I get this PT0-002 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: "primary". Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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