The answer is data connectors, specifically the Common Event Format (CEF) or Syslog connector. These connectors are the correct choice because Microsoft Sentinel ingests logs from third-party firewalls without native connectors by receiving standard syslog or CEF messages over UDP or TCP, then parsing and mapping them into the Log Analytics workspace. On the SC-900 exam, this tests your understanding of how Sentinel centralizes security data from heterogeneous sources, often appearing in scenario-based questions where a device lacks a built-in connector. A common trap is confusing data connectors with playbooks or workbooks—remember, connectors bring data in, while playbooks automate responses. For the exam, think of CEF and Syslog as universal adapters: if a firewall can send logs in a standard format, a data connector can ingest them. Memory tip: “No native? Use CEF or Syslog—they’re the universal translators for firewall logs.”
SC-900 Practice Question: Describe the capabilities of Microsoft security solutions
This SC-900 practice question tests your understanding of describe the capabilities of microsoft security solutions. 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 security operations team uses Microsoft Sentinel to centralize security log analysis. They need to ingest logs from a third-party firewall that does not have a native connector. What should the team use to bring the firewall logs into Microsoft Sentinel?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Data connectors
Microsoft Sentinel uses data connectors to ingest logs from various sources, including third-party devices that lack native connectors. For a firewall without a built-in connector, the team can use the Common Event Format (CEF) connector or Syslog connector, which are both categorized as data connectors. These connectors allow the firewall to forward logs via Syslog or CEF over UDP/TCP, which Sentinel then parses and ingests into the Log Analytics workspace.
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.
✓
Data connectors
Why this is correct
Data connectors are the feature that collects logs from various sources into Sentinel. For unsupported devices, Syslog or CEF connectors can be used.
Related concept
Read the scenario before looking for a memorised answer.
✗
Playbooks
Why it's wrong here
Playbooks automate responses to alerts but do not ingest logs.
✗
Workbooks
Why it's wrong here
Workbooks provide dashboards and visualizations using data already in Sentinel.
✗
Analytics rules
Why it's wrong here
Analytics rules define threat detection logic; they do not handle log ingestion.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse data connectors (which handle ingestion) with playbooks or workbooks (which handle response or visualization), leading them to select a post-ingestion tool instead of the correct ingestion method.
Detailed technical explanation
How to think about this question
Under the hood, the CEF connector uses a Syslog-NG or rsyslog daemon on a Linux log forwarder to collect logs, parse them into the CEF format (RFC 5424), and forward them to the Log Analytics workspace via HTTPS. For high-volume environments, the team can deploy a Log Analytics agent or Azure Monitor Agent on the forwarder to ensure reliable delivery and avoid UDP packet loss. A real-world scenario is a Palo Alto Networks firewall sending CEF logs to a Linux VM, which then forwards them to Sentinel using the CEF data connector.
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 healthcare organisation deploys an application with a public-facing web tier and a private database tier. The database subnet has no public IP and only accepts connections from the web tier's security group. Questions like this test whether you can design cloud network isolation using VNets/VPCs, subnets, and security group rules.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this SC-900 question in full detail.
Describe the capabilities of Microsoft security solutions — This question tests Describe the capabilities of Microsoft security solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Data connectors — Microsoft Sentinel uses data connectors to ingest logs from various sources, including third-party devices that lack native connectors. For a firewall without a built-in connector, the team can use the Common Event Format (CEF) connector or Syslog connector, which are both categorized as data connectors. These connectors allow the firewall to forward logs via Syslog or CEF over UDP/TCP, which Sentinel then parses and ingests into the Log Analytics workspace.
What should I do if I get this SC-900 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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