GIAC GDSA real exam prep : GIAC Defensible Security Architect

  • Exam Code: GDSA
  • Exam Name: GIAC Defensible Security Architect
  • Updated: Sep 11, 2026
  • Q&As: 184 Questions and Answers

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GIAC GDSA Exam Syllabus Topics:

SectionObjectives
Topic 1: Zero Trust Endpoints- Endpoint Protection
  • 1. Endpoint Hardening
  • 2. Device Trust Validation
  • 3. Endpoint Monitoring
Topic 2: Network Encryption and Remote Access- Secure Connectivity
  • 1. Remote Access Security
  • 2. Encryption Protocols
  • 3. VPN Technologies
Topic 3: IPv6- IPv6 Security
  • 1. IPv6 Protection Mechanisms
  • 2. IPv6 Threats
  • 3. IPv6 Deployment Considerations
Topic 4: Network Proxies and Firewalls- Perimeter Security
  • 1. Firewall Architectures
  • 2. Proxy Services
  • 3. Traffic Filtering
Topic 5: Fundamental Layer 3 Defense- IP Network Security
  • 1. Traffic Control
  • 2. Routing Security
  • 3. Segmentation Strategies
Topic 6: Network Defenses- Threat Mitigation
  • 1. Network Monitoring
  • 2. Intrusion Prevention
  • 3. Intrusion Detection
Topic 7: Zero Trust Networking- Network Architecture
  • 1. Microsegmentation
  • 2. Secure Access Controls
  • 3. Trust Boundary Design
Topic 8: Data Discovery, Governance, and Mobility Management- Data Governance
  • 1. Data Loss Prevention
  • 2. File Classification
  • 3. Mobile Device Management
  • 4. Database Governance
Topic 9: Fundamental Security Architecture Concepts- Architecture Principles
  • 1. Defense in Depth
  • 2. Risk-Based Design
  • 3. Security Models
Topic 10: Data-Centric Security- Data Protection
  • 1. Data Encryption
  • 2. Data Security Architecture
  • 3. Data Access Controls
Topic 11: Cloud-based Security Architecture- Cloud Security Concepts
  • 1. Container Security
  • 2. Securing Hypervisors
  • 3. Cloud Delivery Models
  • 4. Network Segmentation
Topic 12: Layer 1 and Layer 2 Defense- Network Infrastructure Security
  • 1. Switch Security
  • 2. Physical Layer Security
  • 3. Network Access Control
Topic 13: Zero Trust Fundamentals- Zero Trust Principles
  • 1. Least Privilege Access
  • 2. Identity-Centric Security
  • 3. Continuous Verification

GIAC Defensible Security Architect Sample Questions:

Question #1

How does Zero Trust Architecture help mitigate insider threats?
Response:

  • A. By increasing bandwidth for internal traffic
  • B. By reducing the number of external connections
  • C. By automatically disabling remote access for employees
  • D. By assuming that all users, even internal ones, may pose a threat and applying strict access controls
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #2

What are effective countermeasures against VLAN hopping attacks?
(Choose two)
Response:

  • A. Disabling unused ports
  • B. Enabling DHCP snooping on all VLANs
  • C. Implementing VLAN trunking on all switches
  • D. Setting a native VLAN ID different from data VLANs
Reveal Solution  Discussion  0

Correct Answer: A,D  🗳️

Question #3

Which defenses can help mitigate the risk of Distributed Denial of Service (DDoS) attacks?
(Choose two)
Response:

  • A. Deploying a Web Application Firewall (WAF)
  • B. Using rate-limiting to control incoming traffic
  • C. Isolating internal networks using VLANs
  • D. Implementing Network Address Translation (NAT)
Reveal Solution  Discussion  0

Correct Answer: A,B  🗳️

Question #4

Which of the following is NOT a component of Zero Trust Networking?
Response:

  • A. Domain Isolation
  • B. Complete trust in all network traffic
  • C. Single Packet Authentication
  • D. Red herring defenses
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #5

What is the purpose of implementing red herring defenses in a Zero Trust network?
Response:

  • A. To streamline network traffic analysis
  • B. To increase the network's transparency to external entities
  • C. To reduce the overall security of the network
  • D. To create decoys that distract and mislead potential attackers
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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