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QUESTION 1 / 30Security PrinciplesEasy
A security policy states that a payroll clerk may view salary records but cannot modify them, while a payroll manager can both view and edit. This distinction primarily illustrates which core security concept?
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Frequently asked questions

How much does the ISC2 Certified in Cybersecurity (CC) exam cost, and are there other fees to plan for?

The registration price for the CC exam is U.S. $199. Beyond the exam itself, plan for a few situational fees charged by Pearson VUE: rescheduling costs U.S. $50 and cancelling costs U.S. $100. If you earn the certification and hold only CC, you'll also owe an Annual Maintenance Fee of U.S. $50 to keep it active, with a 90-day window from the due date to pay it. Because the reschedule and cancellation fees only apply if you change your appointment, booking a date you can commit to is the easiest way to avoid extra cost.

What is the CC exam format, and how many questions and how much time should I expect?

The CC exam contains 100-125 questions and gives you 2 hours (120 minutes) to complete it. It uses multiple choice and advanced item types delivered through Computerized Adaptive Testing (CAT) at Pearson VUE testing centers worldwide. Because it's adaptive, the exact number of questions you see falls somewhere in that 100-125 range depending on your responses. With up to 125 questions in 120 minutes, that leaves a little under a minute per question on average, so practice pacing yourself rather than dwelling on any single item.

What score do I need to pass, and how are the five domains weighted?

The passing score is 700 out of 1000 points. The exam covers 5 domains of foundational cybersecurity knowledge: Security Principles (26%); Business Continuity, Disaster Recovery & Incident Response Concepts (10%); Access Controls Concepts (22%); Network Security (24%); and Security Operations (18%). Security Principles, Network Security, and Access Controls together account for the majority of the exam, so prioritizing those three domains in your study plan gives you the best return on your time.

Do I need work experience to take the CC exam?

No prior work experience is required to sit for the CC exam. That makes it well suited as an entry point for career changers, students, and IT professionals moving into cybersecurity who don't yet meet the experience thresholds of more advanced certifications. Since there's no experience gate, your readiness comes down to how well you know the five exam domains rather than your resume, so structured study is the main path to passing.

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  1. 1. A security policy states that a payroll clerk may view salary records but cannot modify them, while a payroll manager can both view and edit. This distinction primarily illustrates which core security concept?

    • A. Least privilege applied through differentiated authorization levels
    • B. Non-repudiation of transactions
    • C. Data availability during peak processing
    • D. Physical security zoning
    Show answer & explanation

    Answer: A
    Least privilege means each user is granted only the access rights needed for their job function; the clerk gets read-only while the manager gets read/write reflects tailored authorization. Non-repudiation concerns proving an action occurred and who performed it, not access levels. Availability concerns uptime, not permission scope. Physical zoning concerns facility access, not logical record permissions.

  2. 2. An organization wants to ensure that a leaked customer database cannot be read even if an attacker copies the raw files from disk. Which control most directly addresses this concern?

    • A. Encryption of data at rest
    • B. Network segmentation
    • C. Multi-factor authentication for administrators
    • D. A vulnerability scanning schedule
    Show answer & explanation

    Answer: A
    Encryption at rest renders stored data unreadable without the decryption key, protecting confidentiality even if physical files are exfiltrated. Network segmentation limits lateral movement but does not protect copied files. MFA strengthens authentication to systems but does nothing once files are already off the disk. Vulnerability scanning finds weaknesses but does not itself protect data confidentiality.

  3. 3. Which scenario best demonstrates a violation of the integrity component of the CIA triad?

    • A. An attacker modifies invoice amounts in transit before they reach the accounting system
    • B. A web server becomes unreachable during a DDoS attack
    • C. An employee's password is guessed and used to view files they should not see
    • D. A backup tape is stored in an unlocked cabinet
    Show answer & explanation

    Answer: A
    Integrity is about the accuracy and trustworthiness of data; unauthorized modification of invoice amounts directly corrupts data integrity. A DDoS attack primarily harms availability. Viewing files without authorization is a confidentiality breach, not integrity. An unlocked cabinet is a physical control weakness that could enable a confidentiality or availability issue but is not itself an integrity violation.

  4. 4. A regional retailer's data center is destroyed by a fire, and the company must resume order processing from an alternate site within 4 hours. The 4-hour target is best described as which metric?

    • A. Recovery Time Objective (RTO)
    • B. Recovery Point Objective (RPO)
    • C. Mean Time Between Failures (MTBF)
    • D. Service Level Agreement (SLA) uptime percentage
    Show answer & explanation

    Answer: A
    RTO defines the maximum acceptable time to restore a system or process after a disruption, matching the 4-hour resumption target described. RPO instead measures the maximum acceptable amount of data loss measured in time, not restoration speed. MTBF is a reliability metric estimating average time between equipment failures, unrelated to recovery targets. An SLA uptime percentage describes ongoing availability commitments, not a one-time recovery deadline after a disaster.

  5. 5. A company's backup policy states that in the event of data loss, it can tolerate losing no more than 15 minutes of transaction data. Which concept does this describe?

    • A. Recovery Point Objective (RPO)
    • B. Recovery Time Objective (RTO)
    • C. Maximum Tolerable Downtime (MTD)
    • D. Business Continuity Plan (BCP) activation threshold
    Show answer & explanation

    Answer: A
    RPO specifies the acceptable amount of data loss measured as a point in time, and a 15-minute tolerance directly matches that definition, implying backups or replication must occur at least that frequently. RTO instead measures how quickly systems must be restored, not how much data can be lost. MTD represents the total time a business function can be disrupted before causing unacceptable harm, a broader concept than a single data-loss tolerance. A BCP activation threshold refers to criteria for declaring a disaster, not a data-loss metric.

  6. 6. During the containment phase of incident response for a malware outbreak, which action is most appropriate?

    • A. Isolate infected hosts from the network to prevent further spread
    • B. Immediately delete all logs to save storage space
    • C. Publicly announce the breach on social media before investigation completes
    • D. Restore all systems from the most recent backup without further analysis
    Show answer & explanation

    Answer: A
    Containment aims to limit the scope and impact of an incident, and isolating infected hosts (e.g., network segmentation or disconnection) directly stops further spread while preserving evidence for analysis. Deleting logs destroys evidence needed for root-cause analysis and is never appropriate during containment. Public announcements before investigation and legal/communications review can cause reputational and legal harm and are not a containment action. Restoring from backup without analysis risks reintroducing the same vulnerability or malware and belongs to the recovery phase, which should follow eradication, not replace containment.

  7. 7. A finance department requires that the person who initiates a wire transfer cannot be the same person who approves it. This control is an example of which concept?

    • A. Separation of duties
    • B. Single sign-on (SSO)
    • C. Federated identity management
    • D. Discretionary access control (DAC)
    Show answer & explanation

    Answer: A
    Separation of duties splits critical tasks between multiple people so that no single individual can complete a sensitive process alone, reducing fraud risk, exactly as described. SSO is an authentication convenience allowing one login to access multiple systems and has nothing to do with dividing responsibilities. Federated identity management allows identity trust across organizational boundaries, unrelated to task segregation. DAC lets resource owners assign access at their discretion, which does not by itself enforce a two-person process control.

  8. 8. Which access control model assigns permissions based on a user's job function within an organization, such as 'HR Manager' or 'Help Desk Technician'?

    • A. Role-Based Access Control (RBAC)
    • B. Mandatory Access Control (MAC)
    • C. Discretionary Access Control (DAC)
    • D. Rule-Based Access Control using only time-of-day restrictions
    Show answer & explanation

    Answer: A
    RBAC grants permissions according to predefined roles that map to job functions, simplifying administration by assigning users to roles rather than individually. MAC assigns access based on data classification labels and clearance levels set by a central authority, not job titles. DAC allows the resource owner to grant access at their own discretion, rather than through predefined organizational roles. Rule-based access control applies specific conditional rules like time-of-day, which is narrower than and distinct from role-based job function mapping.

  9. 9. In a Mandatory Access Control (MAC) environment, a document classified 'Secret' can only be accessed by users whose clearance level is 'Secret' or higher, regardless of the document owner's wishes. What does this illustrate about MAC?

    • A. Access decisions are enforced centrally based on classification and clearance, not by the resource owner's discretion
    • B. MAC allows any user to grant access to their own files
    • C. MAC relies solely on group membership defined by IT helpdesk tickets
    • D. MAC is identical to attribute-based access control in every implementation
    Show answer & explanation

    Answer: A
    MAC enforces access through system-wide policy comparing data classification against user clearance, and individual owners cannot override this, which distinguishes it from discretionary models. Allowing owners to grant access describes DAC, the opposite of MAC's centralized enforcement. MAC decisions are driven by classification/clearance policy, not ad hoc helpdesk group assignments. While MAC and ABAC both involve centrally defined rules, MAC specifically centers on classification/clearance labels and the two are not identical in mechanism.

  10. 10. A user successfully logs into a system, and the system also verifies that this specific user has permission to open a particular file. What term describes this second step, distinct from the login itself?

    • A. Authorization
    • B. Authentication
    • C. Identification
    • D. Accounting
    Show answer & explanation

    Answer: A
    Authorization determines what an already-authenticated user is permitted to do, such as access a specific file, which matches the described second step. Authentication is the process of verifying identity (the login itself), which already occurred before this step. Identification is merely claiming an identity, such as entering a username, which precedes both authentication and authorization. Accounting (or auditing) refers to logging and tracking user activity after access is granted, not determining permission itself.

  11. 11. An organization requires employees to present a smart card AND enter a PIN to log into their workstation. This is an example of which authentication concept?

    • A. Multi-factor authentication combining 'something you have' and 'something you know'
    • B. Single-factor authentication using two passwords
    • C. Biometric authentication only
    • D. Federated single sign-on
    Show answer & explanation

    Answer: A
    A smart card is 'something you have' and a PIN is 'something you know,' so requiring both is true multi-factor authentication spanning two different factor categories. Using two passwords would still be a single factor category ('something you know') repeated, not multi-factor. Biometrics would involve 'something you are' such as a fingerprint, which is not used here. Federated SSO concerns trusting authentication across organizational domains, not the number or type of factors used at login.

  12. 12. A network administrator wants to ensure that if a laptop with cached VPN credentials is stolen, the thief cannot use those credentials indefinitely. Which control best mitigates this risk?

    • A. Enforcing periodic credential/password expiration combined with account lockout monitoring
    • B. Disabling all logging on the VPN concentrator
    • C. Allowing unlimited login attempts to avoid user frustration
    • D. Removing the requirement for authentication entirely on trusted networks
    Show answer & explanation

    Answer: A
    Periodic credential rotation combined with monitoring for anomalous or repeated failed logins reduces the window during which stolen cached credentials remain useful. Disabling logging would remove visibility needed to detect misuse, worsening the risk. Allowing unlimited login attempts removes a key control (account lockout) that helps detect and slow brute-force or misuse attempts. Removing authentication entirely eliminates the very control meant to prevent unauthorized access, directly increasing risk.

  13. 13. Which of the following is the best example of the principle of 'least privilege' as applied to a database administrator (DBA)?

    • A. The DBA is granted administrative rights only on the specific database instances they support, not on all servers in the organization
    • B. The DBA is granted domain administrator rights across the entire enterprise for convenience
    • C. The DBA shares a single generic administrative account with three other team members
    • D. The DBA's access rights are never reviewed once granted
    Show answer & explanation

    Answer: A
    Least privilege means granting only the access necessary to perform one's job, so scoping DBA rights to the specific databases they manage (rather than the whole enterprise) is the correct application. Granting domain-wide admin rights for convenience is the opposite of least privilege and creates excessive risk. Shared generic accounts violate accountability and traceability principles, undermining both least privilege and non-repudiation. Never reviewing granted rights violates the ongoing access review practices that support least privilege over time (privilege creep).

  14. 14. A firewall is configured to block all inbound traffic by default and only allow specific, explicitly approved ports and protocols. What principle does this configuration reflect?

    • A. Default deny (implicit deny) combined with an explicit allow list
    • B. Default permit with blacklisting of known bad IP addresses only
    • C. Full mesh connectivity between all network zones
    • D. Disabling the firewall during business hours for performance
    Show answer & explanation

    Answer: A
    Blocking everything by default and only permitting specifically approved traffic is the 'default deny' or implicit-deny model, which is a security best practice that minimizes the attack surface. Default permit with blacklisting only blocks known-bad traffic while allowing everything else, which is far less secure than default deny. Full mesh connectivity between zones would eliminate segmentation benefits and increase risk, the opposite of restrictive firewall rules. Disabling a firewall for performance reasons removes the control entirely and is never an appropriate trade-off for security.

  15. 15. An organization places its public-facing web server in a separate network segment isolated from the internal corporate LAN, with restricted traffic rules between the two. What is this segment commonly called?

    • A. Demilitarized zone (DMZ)
    • B. Virtual private network (VPN) concentrator
    • C. Storage area network (SAN)
    • D. Content delivery network (CDN) origin cluster
    Show answer & explanation

    Answer: A
    A DMZ is a network segment that exposes public-facing services to the internet while isolating them from the trusted internal network, matching the scenario exactly. A VPN concentrator is a device that terminates encrypted remote-access tunnels, not a network segmentation zone for public servers. A SAN is a dedicated storage network for block-level data access, unrelated to public/internal segmentation. A CDN origin cluster refers to the source servers behind a content delivery network, a different architectural concept from DMZ segmentation.

  16. 16. A company wants remote employees to securely access internal file shares over the public internet as though they were on the local network. Which technology is the most direct solution?

    • A. A Virtual Private Network (VPN)
    • B. A public DNS resolver
    • C. An unauthenticated FTP server exposed to the internet
    • D. A network address translation (NAT) gateway alone
    Show answer & explanation

    Answer: A
    A VPN creates an encrypted tunnel over the public internet that lets remote users securely reach internal resources as if locally connected, which is exactly the stated need. A public DNS resolver only translates domain names to IP addresses and provides no secure remote access capability. An unauthenticated FTP server exposed to the internet would be insecure and is the opposite of a protective solution. NAT alone translates addresses for outbound/inbound routing but does not provide encryption or authenticated remote access by itself.

  17. 17. An organization segments its network so that IoT devices, guest Wi-Fi, and corporate workstations each reside on separate VLANs with restricted inter-VLAN routing. What is the primary security benefit of this design?

    • A. It limits the blast radius of a compromise by containing lateral movement between device groups
    • B. It guarantees all devices receive unlimited bandwidth
    • C. It eliminates the need for any authentication on the guest network
    • D. It automatically patches vulnerable IoT firmware
    Show answer & explanation

    Answer: A
    Segmenting device types into separate VLANs with restricted routing contains an attacker or compromised device to a smaller portion of the network, limiting lateral movement, which is the core security benefit of segmentation. VLAN segmentation is about traffic isolation and access control, not bandwidth allocation, which is a QoS concern. Segmentation does not remove the need for authentication controls on any network, including guest Wi-Fi. VLANs are a network-layer control and have no capability to patch device firmware.

  18. 18. A network engineer disables the Telnet service on all routers and switches, replacing it with SSH for remote management. What is the primary security reason for this change?

    • A. Telnet transmits credentials and session data in plaintext, while SSH encrypts the session
    • B. Telnet uses a higher port number than SSH, making it harder to firewall
    • C. SSH is faster than Telnet in all network conditions
    • D. Telnet cannot be used over Ethernet networks
    Show answer & explanation

    Answer: A
    Telnet sends all data, including usernames and passwords, unencrypted across the network, making it vulnerable to interception, whereas SSH encrypts the entire session, protecting credentials and data. Port number has nothing to do with the security weakness being addressed; both services can be filtered by firewalls regardless of port. Performance/speed is not the reason for replacing Telnet; the concern is confidentiality of the session, not throughput. Telnet works fine over Ethernet networks; that is not a limiting factor in this decision.

  19. 19. A security team notices repeated failed login attempts from a single external IP address targeting many different user accounts in a short time. What type of attack does this pattern most likely indicate?

    • A. A password spraying attack
    • B. A distributed denial-of-service (DDoS) attack
    • C. A man-in-the-middle (MITM) attack
    • D. A SQL injection attack
    Show answer & explanation

    Answer: A
    Password spraying involves trying a small number of common passwords against many different accounts to avoid account lockout thresholds, matching the described pattern of one source hitting many accounts. A DDoS attack aims to overwhelm system resources or bandwidth, not to guess account credentials. A MITM attack intercepts and potentially alters communications between two parties, which is unrelated to repeated login attempts against multiple accounts. SQL injection exploits input validation flaws in database-driven applications, not authentication login attempts.

  20. 20. An organization wants to ensure that traffic between its branch offices, sent over the public internet, cannot be read by any intermediate ISP. Which of the following provides this protection?

    • A. A site-to-site VPN using strong encryption
    • B. Increasing the MTU size on all routers
    • C. Enabling Quality of Service (QoS) prioritization
    • D. Switching from IPv4 to IPv6 addressing
    Show answer & explanation

    Answer: A
    A site-to-site VPN encrypts traffic between locations so that any intermediary network operator, including an ISP, sees only ciphertext and cannot read the contents. Adjusting MTU size affects packet fragmentation and performance, not confidentiality of the data. QoS prioritization manages bandwidth allocation and traffic shaping, unrelated to encryption or confidentiality. Switching address families from IPv4 to IPv6 changes addressing scheme, not the confidentiality of the payload, and provides no inherent encryption.

  21. 21. A junior analyst is asked to configure a new intrusion prevention system (IPS) to actively drop malicious traffic in real time. Which characteristic differentiates an IPS from an IDS in this deployment?

    • A. The IPS is deployed inline with traffic flow so it can block packets in real time, whereas an IDS typically monitors a copy of traffic and only alerts
    • B. An IPS can only be deployed on wireless networks
    • C. An IDS always has higher detection accuracy than any IPS
    • D. IPS and IDS are simply two names for the exact same technology with no functional difference
    Show answer & explanation

    Answer: A
    An IPS sits directly in the traffic path (inline) so it can actively block or drop malicious packets immediately, while an IDS commonly analyzes a mirrored copy of traffic out-of-band and can only alert, not block. Neither technology is restricted to wireless networks only; both apply broadly to wired and wireless environments. Detection accuracy depends on tuning and technology, not an inherent IDS-vs-IPS advantage, so this is not a defining differentiator. IPS and IDS differ meaningfully in deployment (inline vs. passive) and response capability (block vs. alert only), so they are not interchangeable terms.

  22. 22. Approximately how many questions appear on the CC exam?

    • A. 100 to 125 questions
    • B. 50 to 75 questions
    • C. 150 to 175 questions
    • D. Exactly 100 questions with no variation
    Show answer & explanation

    Answer: A
    The CC exam contains between 100 and 125 questions, a range that reflects its computerized adaptive testing format. 50 to 75 understates the actual question range. 150 to 175 overstates the actual question range. The exam does not have a fixed exact count; the adaptive format produces a range of 100-125 items rather than exactly 100.

  23. 23. What testing methodology does the CC exam use to adjust question difficulty based on a candidate's prior answers?

    • A. Computerized Adaptive Testing (CAT)
    • B. A fixed-form paper-based exam
    • C. An open-book take-home assessment
    • D. A purely oral examination
    Show answer & explanation

    Answer: A
    The CC exam uses multiple choice and advanced item types administered as Computerized Adaptive Testing (CAT), which adjusts subsequent question difficulty based on the candidate's performance on prior questions. A fixed-form paper exam presents the same static set of questions to every candidate and does not adapt, which is not how CC is delivered. CC is proctored at testing centers, not an open-book take-home format. The exam is administered via computer at Pearson VUE centers, not as an oral examination.

  24. 24. A candidate needs to reschedule their upcoming CC exam appointment through Pearson VUE. Based on official fee information, what should they expect to pay?

    • A. A reschedule fee of U.S. $50
    • B. No fee at all, rescheduling is always free
    • C. A reschedule fee of U.S. $199, equal to the full exam price
    • D. A reschedule fee of U.S. $100
    Show answer & explanation

    Answer: A
    Pearson VUE charges a reschedule fee of U.S. $50 for changing an existing appointment. Rescheduling is not free; a specific fee applies. $199 is the exam registration price, not the reschedule fee, and conflating the two overstates the cost. $100 is actually the cancellation fee amount, not the reschedule fee, so this choice confuses the two distinct charges.

  25. 25. After earning the CC certification, what ongoing fee must members who hold only the CC credential pay to maintain it?

    • A. An Annual Maintenance Fee (AMF) of U.S. $50
    • B. An Annual Maintenance Fee of U.S. $125
    • C. No maintenance fee is required for CC holders
    • D. An Annual Maintenance Fee equal to the full exam cost each year
    Show answer & explanation

    Answer: A
    Members who hold only the CC certification pay an Annual Maintenance Fee (AMF) of U.S. $50. $125 overstates the actual fee amount for CC-only members. A maintenance fee is required to keep the certification active; it is not waived entirely. The AMF is a small fixed fee, not equivalent to re-paying the full $199 exam registration cost annually.

  26. 26. A CC-certified professional misses the due date for their Annual Maintenance Fee. According to official policy, how long do they have to pay before facing more serious consequences?

    • A. A 90-day grace period from the due date
    • B. A 10-day grace period from the due date
    • C. No grace period; the certification is revoked the day it is due
    • D. A 12-month grace period from the due date
    Show answer & explanation

    Answer: A
    Members are given a 90-day period from the due date to pay their AMF before facing further consequences. A 10-day period significantly understates the actual grace period granted. Certification is not revoked immediately on the due date; a defined grace period exists first. A full 12-month grace period substantially overstates the actual 90-day window.

  27. 27. What is the current U.S. registration price to sit for the CC exam?

    • A. U.S. $199
    • B. U.S. $50
    • C. U.S. $349
    • D. U.S. $700
    Show answer & explanation

    Answer: A
    The registration price for the CC exam is U.S. $199. $50 is actually the Annual Maintenance Fee amount, not the exam registration price, so this choice confuses two separate fees. $349 overstates the actual registration cost. $700 corresponds to the passing score value, not a dollar fee, and using it as a price is a clear mismatch.

  28. 28. The CC exam covers how many total content domains?

    • A. 5
    • B. 4
    • C. 7
    • D. 10
    Show answer & explanation

    Answer: A
    The CC exam is organized around 5 domains of foundational cybersecurity knowledge: Security Principles; BC/DR/IR Concepts; Access Controls Concepts; Network Security; and Security Operations. Four domains understates the officially defined structure. Seven and ten domains overstate the count; the exam blueprint defines exactly five.

  29. 29. Which domain carries the largest single weighting on the CC exam blueprint?

    • A. Security Principles at 26%
    • B. Network Security at 24%
    • C. Access Controls Concepts at 22%
    • D. Security Operations at 18%
    Show answer & explanation

    Answer: A
    Security Principles is weighted at 26%, the highest of the five domains, reflecting its role as the foundational domain underpinning the rest of the exam content. Network Security at 24% is the second-highest weighting, not the largest. Access Controls Concepts at 22% is weighted lower than both Security Principles and Network Security. Security Operations at 18% is the third-lowest weighting among the five domains.

  30. 30. How many minutes are candidates given to complete the CC exam?

    • A. 120 minutes
    • B. 90 minutes
    • C. 180 minutes
    • D. 240 minutes
    Show answer & explanation

    Answer: A
    Candidates are given 2 hours, or 120 minutes, to complete the CC exam. 90 minutes understates the allotted time by 30 minutes. 180 minutes (3 hours) overstates the allotted time. 240 minutes (4 hours) significantly overstates the official duration.