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Splunk SPLK-5003 Exam Syllabus Topics:

Section	Weight	Objectives
Security Operations Strategy		- Security operations planning 1. Security capability maturity planning 2. Design of detection and response workflows
Security Data Management	20%	- Security data integration strategies 1. Data-driven security architecture design 2. Security data onboarding and normalization approaches
Advanced Threat Intelligence and Analysis	5%	- Adversary modeling and emulation 1. Threat modeling integration into security operations - Threat intelligence strategy development 1. Threat intelligence lifecycle integration 2. Use of open source and commercial intelligence providers 3. Confidence scoring and curation of intelligence
Security Architecture and Defense Design		- Risk and governance alignment 1. Security program alignment with organizational risk 2. Measurement of security effectiveness - Enterprise security architecture design 1. Workflow orchestration across SOC environments 2. Design scalable security defense controls

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Splunk Certified Cybersecurity Defense Architect Sample Questions (Q136-Q141):

NEW QUESTION # 136
An organization wants to enforce role-based access so that a subset of analysts can only view notable events related to their business unit's assets. What is the best mechanism to achieve this?

A. Disabling search for all but admin roles
B. Index-level permissions only
C. Asset/identity-based data filtering combined with role-based access controls
D. Creating a separate Splunk instance per business unit

Answer: C

Explanation:
Combining asset/identity metadata with role-based access controls (search filters tied to roles) allows fine-grained, scalable segmentation of notable event visibility without the overhead of maintaining separate instances.

NEW QUESTION # 137
Which of the following is the primary benefit of using summary indexing for high-volume, long- running statistical searches?

A. It automatically generates notable events
B. It replaces the need for data models
C. It pre-computes and stores search results at intervals, reducing repeated computation over large raw datasets
D. It eliminates the need for any raw data retention

Answer: C

Explanation:
Summary indexing periodically stores the results of expensive searches so that future queries over long time ranges can use the smaller summarized dataset instead of recomputing against full raw data, improving performance.

NEW QUESTION # 138
As part of an incident response plan, the SOC team needs to ensure that compromised internal host IP addresses are automatically isolated from the network. How can the security architect achieve this using Splunk ES and network infrastructure?

A. Use the Splunk Universal Forwarder installed on the firewall to change the firewall's routing table.
B. Create an Adaptive Response Action in Splunk ES that triggers a script or SOAR playbook to update the firewall or NAC appliance to quarantine the IP.
C. Configure the splunkd service to act as a proxy and block the traffic directly at the Search Head.
D. Write a complex SPL query that deletes the malicious traffic logs from the indexer, thereby stopping the attack.

Answer: B

Explanation:
Splunk ES uses Adaptive Response Actions to execute tasks in response to notable events or correlation search triggers. Triggering a SOAR playbook or an integrated script to interact with network infrastructure (such as a firewall or Network Access Control system) is the standard architectural method for automating host isolation.

NEW QUESTION # 139
How can an organization best improve its Mean Time to Respond (MTTR) metrics?

A. Use a message bus to stream data to a data lake for trend analysis.
B. Automatically empty spam folders from end users' mailboxes every 30 days.
C. Automatically page incident responders when low severity alerts occur.
D. Implement SOAR playbooks to automatically isolate infected endpoints.

Answer: D

Explanation:
SOAR playbooks improve Mean Time to Respond by automating repeatable containment actions, such as isolating infected endpoints. This reduces manual response delays and helps responders act faster when confirmed threats require immediate containment.

NEW QUESTION # 140
A security architect is tasked with implementing a Zero Trust architecture monitoring strategy. Which data sources are MOST critical to ingest into Splunk to monitor the continuous verification of identities and devices?

A. Identity and Access Management (IAM) logs, Multi-Factor Authentication (MFA) logs, and Endpoint Detection and Response (EDR) telemetry
B. External DNS query logs and generic network flow data
C. Web server access logs and database query execution times
D. Physical badge reader logs and HVAC telemetry

Answer: A

Explanation:
Zero Trust security models are built on the principle of continuous verification of user identities, device health, and access context before granting access. Therefore, IAM logs, MFA logs (identity verification), and EDR telemetry (device posture/health) are the most critical data sources to monitor the core pillars of a Zero Trust architecture.

NEW QUESTION # 141
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