Correct Answer:

Explanation:

In Microsoft Sentinel, the Advanced Security Information Model (ASIM) provides a standardized schema and parser layer for common telemetry types (DNS, Authentication, NetworkSession, etc.). To investigate DNS- related activity, you should use the ASIM-normalized table ASim_Dns, which unifies data from multiple DNS sources (Microsoft Defender for Endpoint, Azure Firewall, DNS servers, etc.) under a consistent schema.
The ASim_Dns parser standardizes key fields such as:
TimeGenerated # timestamp of the DNS event
ResponseCodeName # name of the DNS response code (e.g., NXDOMAIN, NOERROR, etc.) QueryName # domain name queried SrcIpAddr and DstIpAddr # IP addresses involved To investigate recent DNS failures (e.g., non-existent domains), the query filters for events where:
TimeGenerated > ago(7d) - limits to the last 7 days of DNS logs.
ResponseCodeName == " NXDOMAIN " - identifies DNS lookups that returned "Non-Existent Domain," a common indicator of suspicious or misconfigured activity.
Therefore, the correct and compliant ASIM-based query syntax is:
ASim_Dns
| where TimeGenerated > ago(7d)
| where ResponseCodeName == " NXDOMAIN "
This approach ensures your investigation leverages ASIM normalization and aligns with Microsoft Sentinel best practices for DNS event analysis.

Correct Answer: B  🗳️

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Correct Answer: A  🗳️

Explanation: Only visible for Prep4cram members. You can sign-up / login (it's free).

Correct Answer:

Explanation:

In Microsoft Defender for Endpoint (MDE) Live Response, security analysts can remotely connect to a device and execute forensic commands. When an executable is launched in the background during a live response session using the run command (for example, run File1.exe -background), the session creates a job associated with that command.
To identify the command ID of the background process, the correct command is jobs. The jobs command lists all currently running or completed background jobs initiated during the live response session. Each job entry includes details such as the job ID, command executed, and current status. This allows analysts to determine which process corresponds to File1.exe and its associated command ID.
Once the background process is identified, you can interact with File1.exe using the fg (foreground) command. The fg command is used to bring a background job to the foreground, allowing you to interact directly with it - for instance, to send inputs, observe outputs, or terminate it.
This procedure aligns with Microsoft Defender for Endpoint documentation, which specifies:
Use jobs to view or manage background jobs.
Use fg < JobID > to interact with a specific background process.
Therefore, the correct selections are:
Identify the command ID of File1.exe: jobs
Interact with File1.exe: fg

Correct Answer:

Explanation:
UserName field set as the account entity: Yes
Watchlist cannot be updated after created: No
IPList variable set as the IP address entity: Yes
This Kusto Query Language (KQL) snippet is used in Microsoft Sentinel to correlate event data (Sysmon logs) with a watchlist containing known malicious IP addresses. The watchlist is retrieved using the
_GetWatchlist() function, and entity mappings are explicitly set for account, host, and IP entities.
# Step-by-step analysis:
1. UserName field as the Account entity # YES
At the end of the query, the entity mappings are defined as:
extend timestamp = TimeGenerated, AccountCustomEntity = UserName, HostCustomEntity = Computer In Microsoft Sentinel, when an analytics rule uses this query, the AccountCustomEntity mapping links the UserName field to the account entity.
This enables account-level correlation in incidents and investigation graphs.
# Therefore, Yes, the UserName field is set as the account entity.
2. The watchlist cannot be updated after it is created # NO
This statement is incorrect.
In Sentinel, watchlists are designed to be dynamic and can be updated, edited, or replaced at any time.
Official Microsoft documentation confirms:
"You can edit, update, or replace a watchlist at any time to ensure your detection logic uses current data." Hence, watchlists can be updated, either manually via the portal or programmatically via API/PowerShell.
# Therefore, No, the watchlist can be updated after it is created.
3. The IPList variable is set as the IP address entity # YES
The first line of the query defines:
let IPList = _GetWatchlist( ' Bad_IPs ' );
This loads a list of known malicious IPs from the Bad_IPs watchlist.
Later in the query:
where SourceIP in (IPList) or DestinationIP in (IPList)
This confirms IPList contains IP address values used for matching with the event's SourceIP or DestinationIP.
In Sentinel analytics rules, this variable represents IP address entities for correlation and visualization.
# Therefore, Yes, the IPList variable is set as the IP address entity.