Top 5 CISSP Exam Questions and Their Answers

The Certified Information Systems Security Professional (CISSP) certification is a globally recognized credential that demonstrates expertise in the field of information security. Earning a CISSP validates your ability to protect organizations from increasingly sophisticated threats, and also opens doors to leadership roles and higher earning potential. 

For those preparing for the CISSP exam, understanding the types of questions you might encounter can significantly boost your chances of success. In this article, we will showcase the top five CISSP exam questions, along with their detailed answers. We will also explain how this exam is structured to test what you know as well as real-case scenarios.

If you’re interested in more structured training for the CISSP exam, check out QuickStart’s CISSP certificate courses. These courses provide guided instruction, targeted resources, and practical exercises that help you build the knowledge and skills you need to pass the exam.

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Overview of CISSP Exam

The CISSP (Certified Information Systems Security Professional) exam is designed to test the knowledge and skills of experienced security professionals in protecting information systems in real-world scenarios. Administered by the International Information Systems Security Certification Consortium, or (ISC)², this certification is globally recognized and highly regarded in the cybersecurity industry.

The CISSP exam consists of 250 questions, covering both multiple-choice and innovative question types such as drag-and-drop or hotspot questions, which require candidates to interact with diagrams or highlight specific areas. Candidates are allotted six hours to complete the CISSP exam. 

To pass the exam, you must achieve a score of 700 out of 1,000 points. Each question carries a different weight, meaning that correctly answering more complex or scenario-based questions can contribute significantly to your overall score.

Students are gauged on a broad range of information security topics in the CISSP exam, a test broken down into eight domains of knowledge. These domains are outlined in the CISSP Common Body of Knowledge (CBK), which serves as the foundation for the exam.

Sample CISSP Exam Questions

Preparing for the CISSP exam requires a strong understanding of the broad range of topics it covers. The questions are designed to test both your theoretical knowledge and your ability to apply cybersecurity principles to real-world situations.

Below are some sample questions with detailed explanations to guide you through the type of thinking required to succeed on the exam.

Question 1 

In discretionary access environments, which of the following entities is authorized to grant information access to other people? 

1. Manager 
2. Group Leader 
3. Security Manager
4. Data Owner

Answer: The correct answer is D. 

Explanation:

In a Discretionary Access Control (DAC) environment, the data owner is the entity that has the authority to grant or deny access to other users. The owner controls access to their files or resources by setting permissions.

Question 2

Which access control model is best suited in an environment where a high-security level is required and only the administrator grants access control? 

1. DAC 
2. MAC 
3. Access Control Matrix 
4. TACACS 

Answer: The correct answer is B. 

Explanation:

In Mandatory Access Control (MAC), the administrator enforces strict access control policies. Users cannot alter access permissions, and access is based on clearance levels and sensitivity labels. MAC is ideal for environments where a high level of security is needed, such as government or military applications.

Question 3

Which of the following is NOT a way to secure a wireless network? 

1. Disable broadcast of SSID within AP's configuration
2. Give AP's descriptive names 
3. Put the access points (AP) in a location protected by a firewall 
4. Change AP's default values 

Answer: The correct answer is B.

Explanation:

Descriptive SSID names do not contribute to network security and can even make the network more of a target. Security measures like disabling SSID broadcasting, using firewalls, and changing default settings are more effective in protecting wireless networks.

Question 4

Which of the following is a drawback of fiber optic cables? 

1. It is affected by electromagnetic interference (EMI). 
2. It can easily be tapped. 
3. The expertise needed to install it. 
4. The limited distance at high speeds. 

Answer: The correct answer is C.

Explanation:

While fiber optic cables offer many advantages such as immunity to EMI and difficult tapability, the main drawback is the high cost of installation and the specialized expertise required for proper setup and termination.

Question 5

Which OSI/ISO layer defines how to address physical devices on the network? 

1. Data Link Layer 
2. Session Layer 
3. Application Layer 
4. Transport Layer 

Answer: The correct answer is A.

Explanation: 

The Data Link layer (Layer 2) of the OSI model is responsible for addressing physical devices on the network, utilizing MAC addresses to ensure proper data transmission between devices.

How These Questions Help in CISSP Exam Preparation

Preparing for the CISSP exam goes beyond memorizing definitions and concepts; it involves developing the ability to think critically and apply your knowledge to real-world situations. The CISSP certification is designed to test a professional's expertise in designing, managing, and controlling security policies and practices within an organization.

Here’s how these sample questions play a crucial role in your CISSP exam preparation:

Real-World Scenarios

The sample questions you encounter during preparation are designed to mimic real-world challenges. As a CISSP-certified professional, you’ll be expected to make informed decisions that protect organizations from evolving security threats. These questions, which cover topics like access control models, network security, and OSI model concepts, help you sharpen your problem-solving skills in practical scenarios.

For example, questions about the principle of least privilege or separation of duties are not just theoretical; they require you to understand how these principles reduce the risk of internal threats in an actual organizational context. 

Similarly, questions on data leakage prevention (DLP) in a cloud environment or selecting the right encryption protocols prepare you for situations you may face in your role, such as securing sensitive data in modern, cloud-based infrastructures.

By practicing these scenario-based questions, you’ll gain a better understanding of how security concepts are applied in real environments, making you better equipped not only for the CISSP exam but also for the demands of your job.

Critical Thinking Development

The CISSP exam is known for testing more than just factual knowledge — it challenges your ability to apply what you know to multifaceted situations. The exam is structured in a way that requires you to evaluate scenarios and make decisions based on security best practices. 

This is why many of the exam questions are complex and may not have a straightforward answer. Instead, they often present multiple correct answers, requiring you to select the best solution given the context.

For instance, a question might ask you to choose between different security controls, all of which seem valid, but your ability to weigh factors such as cost, effectiveness, and risk management is what the exam is truly testing. 

Critical thinking is a must because you’ll often need to assess risks, prioritize solutions, and choose the one that aligns best with the business objectives while minimizing security vulnerabilities.

CISSP Certification Training and Preparation

Many professionals who aim to earn their CISSP certification opt for structured CISSP certification training programs to help them navigate the complexity of the exam. 

While the CISSP exam is a memorization test, it also requires candidates to analyze scenarios, apply security principles, and solve complex problems. This means that self-study, while beneficial, may not be sufficient for everyone.

Here's why enrolling in a structured training program can make a difference in passing the exam:

• Confidence boost: Completing a structured training program boosts your confidence by ensuring you are well-prepared and familiar with the exam format.
• Guided learning: A structured training program provides expert-led instruction, ensuring you thoroughly understand complex CISSP concepts.
• Real-world applications: Training programs offer practical exercises and case studies to help you apply theoretical knowledge to real-world cybersecurity scenarios.
• Time management strategies: These programs teach you effective pacing techniques to navigate the lengthy CISSP exam and manage your time efficiently.

With QuickStart’s CISSP prep course, you can begin your preparation journey, gain access to valuable tools, and start building the knowledge necessary to earn your CISSP certification without any financial pressure.

Earning Potential and Career Benefits of CISSP

Earning a CISSP certification offers significant career advantages, from increased earning potential to a wide range of job opportunities in the rapidly growing field of cybersecurity. A CISSP certification signals your ability to handle advanced security challenges, making you a sought-after candidate for high-level positions in the industry.

Salary Insights

CISSP-certified professionals are highly valued due to their comprehensive understanding of cybersecurity principles and best practices. According to PayScale.com, CISSP-certified professionals earn $128,000 annually, with even higher salaries for those with substantial experience.

The earning potential doesn’t stop there. Professionals with a CISSP certification are often promoted to senior-level positions, such as IT security consultants, information security managers, or chief information security officers (CISOs). 

These roles frequently offer salaries exceeding $120,000 annually, with some reaching $150,000 or more, depending on factors like location, experience, and the size of the organization.

Increase Your Earning Potential with a CISSP Certification Today

Preparing for the CISSP exam demands a deep, solid understanding of the eight domains of cybersecurity, along with the ability to apply these concepts to real-world scenarios. 

From security and risk management to software development security, each domain challenges you to think critically and solve complex problems that mirror the situations you’ll face in a professional environment.

With expert guidance and comprehensive resources, you'll be fully equipped to pass the exam and achieve your certification.

Ready to take the next step in your cybersecurity career? Start your journey toward CISSP certification by enrolling in our CISSP certification exam prep course — or the CISSP + certification exam bundle — today.