Pass the Fortinet Certified Professional Security Operations FCSS_ADA_AR-6.7 Questions and answers with ExamsMirror

The LookupTableHas function is used to check whether a specified key exists in a lookup table. It returns either true or false, depending on whether the key is found in the table.

● If the key is present, the function returns true.

● If the key is absent, the function returns false.

The rule triggers an incident when there are two or more VPN logon failures within a 10-minute window, grouped by Source IP, Reporting Device, Reporting IP, and User. Let's analyze the events:

Breakdown of Events:

1. Reporting IP: 1.1.1.1, Source IP: 2.2.2.2, Device: FortiGate, User: Sarah

2. Reporting IP: 1.1.1.1, Source IP: 2.2.2.2, Device: FortiGate, User: John

3. Reporting IP: 1.1.1.3, Source IP: 2.2.2.2, Device: FortiGate2, User: Tom

4. Reporting IP: 1.1.1.3, Source IP: 2.2.2.2, Device: FortiGate2, User: John

5. Reporting IP: 1.1.1.3, Source IP: 2.2.2.2, Device: FortiGate2, User: Sarah

6. Reporting IP: 1.1.1.1, Source IP: 2.2.2.2, Device: FortiGate, User: Tom

Now, applying the grouping criteria (Source IP, Reporting Device, Reporting IP, and User):

● Group 1: (1.1.1.1, 2.2.2.2, FortiGate, John) → 1 occurrence (not enough)

● Group 2: (1.1.1.1, 2.2.2.2, FortiGate, Sarah) → 1 occurrence (not enough)

● Group 3: (1.1.1.1, 2.2.2.2, FortiGate, Tom) → 2 occurrences (incident triggered)

● Group 4: (1.1.1.3, 2.2.2.2, FortiGate2, John) → 2 occurrences (incident triggered)

● Group 5: (1.1.1.3, 2.2.2.2, FortiGate2, Sarah) → 1 occurrence (not enough)

● Group 6: (1.1.1.3, 2.2.2.2, FortiGate2, Tom) → 1 occurrence (not enough)

Final Incident Count:

● One incident for Group 3 (Tom on FortiGate)

● One incident for Group 4 (John on FortiGate2)

From the "Clear If" condition in the exhibit:

● WITHIN 5 minutes, the system checks if the pattern AllPingLossSrv_CLEAR occurs.

● The Host IP of the clear condition must match the Host IP of the original rule (Clear_Condition.Host IP = Original_Rule.Host IP).

● If this condition is met, the system automatically clears the incident because it indicates that network connectivity has been restored (packet loss has dropped).

Thus, the incident was auto-cleared because the system detected that the issue was resolved within the defined 5-minute window, meeting the conditions for auto-clearance.

When a WAN link failure occurs between the collector and the supervisor in FortiSIEM:

● The collector does not discard events; instead, it buffers them until the connection is restored.

● The buffering limit is up to 1 GB after compression to optimize storage and prevent data loss.

● Once the WAN link is restored, buffered events are sent to the supervisor for processing.

In FortiSIEM baselining, an hourly bucket is used to maintain hourly-specific statistical baselines. This helps detect anomalies by comparing current activity against historical norms for each hour of the day, separately for weekdays and weekends.

The system maintains hourly profiles, ensuring that anomalies are detected based on similar timeframes. This approach prevents false positives due to natural variations in network activity across different times of the day and different days of the week.

Lookup tables and watchlists serve different purposes in Fortinet’s Advanced Analytics:

● Lookup tables allow for structured data storage with multiple columns, making them useful for correlating different attributes or key-value pairs.

● Watchlists are simpler and contain only a single column, often used for quick reference to flagged values, such as IP addresses or user accounts.

The exhibit shows the directory listings for three different workers (worker1, worker2, and worker3) under the /querywkr/active/13127* path, which indicates active query tasks assigned to each worker.

1. Worker1 (worker1)

The output does not show any subdirectories or task files (13127t0, 13127t1, etc.), meaning Worker1 is not assigned any tasks.

2. Worker2 (worker2)

The output shows one task (13127t1) under /querywkr/active/13127*.

The worker has only one assigned task, not two, so options C and D are incorrect.

3. Worker3 (worker3)

The output shows two tasks (13127t0 and 13127t1), indicating that Worker3 is processing two tasks for query ID 13127.

In FortiSIEM, an integration policy can be invoked through Notification Policy settings. This allows automated responses such as:

● Sending alerts to external systems (e.g., SIEMs, ticketing systems, SOAR platforms).

● Triggering actions based on specific incident rules.

● Integrating with third-party solutions for remediation, escalation, or logging.

Automatic remediation in FortiSIEM enables real-time response to security threats without manual intervention. While this can improve response times, it also introduces risks because actions are taken automatically based on predefined rules, without human verification.

● Automated responses could mistakenly block legitimate users from critical systems or applications.

● Misconfigured rules might disconnect essential systems, causing business disruptions.

● If an incident is a false positive, automatic remediation may interfere with normal operations unnecessarily.