CCZT試験正確な問題集、学習ノートと理論 [2025年04月]
100%高得点合格保証CCZT無制限62解答
質問 # 36
Which security tools or capabilities can be utilized to automate the
response to security events and incidents?
- A. Multi-factor authentication (MFA)
- B. Single packet authorization (SPA)
- C. Security information and event management (SIEM)
- D. Security orchestration, automation, and response (SOAR)
正解：D
解説：
Explanation
SOAR is a collection of software programs developed to bolster an organization's cybersecurity posture.
SOAR tools can automate the response to security events and incidents by executing predefined workflows or playbooks, which can include tasks such as alert triage, threat detection, containment, mitigation, and remediation. SOAR tools can also orchestrate the integration of various security tools and data sources, and provide centralized dashboards and reporting for security operations.
References =
Certificate of Competence in Zero Trust (CCZT) prepkit, page 23, section 3.2.2 Security Orchestration, Automation and Response (SOAR) - Gartner Security Automation: Tools, Process and Best Practices - Cynet, section "What are the different types of security automation tools?" Introduction to automation in Microsoft Sentinel
質問 # 37
ZTA utilizes which of the following to improve the network's security posture?
- A. Encryption and compliance analytics
- B. Micro-segmentation and encryption
- C. Compliance analytics and network communication
- D. Network communication and micro-segmentation
正解：B
解説：
Explanation
Verified Answer= A. Micro-segmentation and encryptionVery Short Explanation= ZTA uses micro-segmentation to divide the network into smaller, isolated segments that can prevent unauthorized access and contain lateral movement. ZTA also uses encryption to protect data in transit and at rest from eavesdropping and tampering.References=1,2,3,4
質問 # 38
Which activity of the ZT implementation preparation phase ensures
the resiliency of the organization's operations in the event of
disruption?
- A. Compliance
- B. Change management process
- C. Visibility and analytics
- D. Business continuity and disaster recovery
正解：D
解説：
Business continuity and disaster recovery are the activities of the ZT implementation preparation phase that ensure the resiliency of the organization's operations in the event of disruption. Business continuity refers to the process of maintaining or restoring the essential functions of the organization during and after a crisis, such as a natural disaster, a cyberattack, or a pandemic. Disaster recovery refers to the process of recovering the IT systems, data, and infrastructure that support the business continuity. ZT implementation requires planning and testing the business continuity and disaster recovery strategies and procedures, as well as aligning them with the ZT policies and controls.
References =
* Zero Trust Planning - Cloud Security Alliance, section "Monitor & Measure"
* Zero Trust architecture: a paradigm shift in cybersecurity - PwC, section "Continuous monitoring and improvement"
* Zero Trust Implementation, section "Outline Zero Trust Architecture (ZTA) implementation steps"
質問 # 39
Which of the following is a key principle of ZT and is required for its implementation?
- A. Requiring that authentication and explicit authorization must occur
after network access has been granted - B. Implementing strong anti-phishing email filters
- C. Encrypting all communications between any two endpoints
- D. Making no assumptions about an entity's trustworthiness when it
requests access to a resource
正解：D
解説：
Explanation
One of the core principles of Zero Trust (ZT) is to "never trust, always verify" every request for access to a resource, regardless of where it originates or what resource it accesses1. This means that ZT does not rely on implicit trust based on network perimeters, device types, or user roles, but rather on explicit verification based on multiple data points, such as user identity, device health, location, service, data classification, and anomalies1.
References =
Zero Trust Architecture | NIST
Zero Trust Model - Modern Security Architecture | Microsoft Security
How To Implement Zero Trust: 5-steps Approach & its challenges - Fortinet
質問 # 40
In a ZTA, the logical combination of both the policy engine (PE) and
policy administrator (PA) is called
- A. data access policy
- B. policy decision point (PDP)
- C. policy enforcement point (PEP)
- D. role-based access
正解：B
解説：
In a ZTA, the logical combination of both the policy engine (PE) and policy administrator (PA) is called the policy decision point (PDP). The PE is the component that evaluates the policies and the contextual data collected from various sources and generates an access decision. The PA is the component that establishes or terminates the communication between a subject and a resource based on the access decision. The PDP communicates with the policy enforcement point (PEP), which enforces the access decision on the resource.
References =
* Certificate of Competence in Zero Trust (CCZT) prepkit, page 14, section 2.2.2
* Zero Trust Architecture Project - NIST Computer Security Resource Center, slide 9
* What Is a Zero Trust Security Framework? | Votiro, section "The Policy Engine and Policy Administrator"
* Zero Trust Frameworks Architecture Guide - Cisco, page 4, section "Policy Decision Point"
質問 # 41
Scenario: A multinational org uses ZTA to enhance security. They
collaborate with third-party service providers for remote access to
specific resources. How can ZTA policies authenticate third-party
users and devices for accessing resources?
- A. ZTA policies can implement robust encryption and secure access
controls to prevent access to services from stolen devices, ensuring
that only legitimate users can access mobile services. - B. ZTA policies can be configured to authenticate third-party users
and their devices, determining the necessary access privileges for
resources while concealing all other assets to minimize the attack
surface. - C. ZTA policies should prioritize securing remote users through
technologies like virtual desktop infrastructure (VDI) and corporate
cloud workstation resources to reduce the risk of lateral movement via
compromised access controls. - D. ZTA policies should primarily educate users about secure practices
and promote strong authentication for services accessed via mobile
devices to prevent data compromise.
正解：B
解説：
Explanation
ZTA is based on the principle of never trusting any user or device by default, regardless of their location or ownership. ZTA policies can use various methods to verify the identity and context of third-party users and devices, such as tokens, certificates, multifactor authentication, device posture assessment, etc. ZTA policies can also enforce granular and dynamic access policies that grant the minimum necessary privileges to third-party users and devices for accessing specific resources, while hiding all other assets from their view.
This reduces the attack surface and prevents unauthorized access and lateral movement within the network.
質問 # 42
At which layer of the open systems interconnection (OSI) model
does network access control (NAC) typically operate? Select the
best answer.
- A. Layer 4, the transport layer
- B. Layer 2, the data link layer
- C. Layer 6, the presentation layer
- D. Layer 3, the network layer
正解：B
解説：
Network access control (NAC) typically operates at layer 2, the data link layer, of the open systems interconnection (OSI) model. The data link layer is responsible for transferring data between adjacent nodes on a network, such as switches and endpoints. NAC operates at this layer by inspecting and controlling the access of devices to the network based on their MAC addresses, device profiles, security posture, and compliance status.
References = Certificate of Competence in Zero Trust (CCZT) - Cloud Security Alliance, Zero Trust Training (ZTT) - Module 6: Micro-segmentation
質問 # 43
When kicking off ZT planning, what is the first step for an
organization in defining priorities?
- A. Define a business case
- B. Determine current state
- C. Identifying the data and assets
- D. Define the scope
正解：B
解説：
Explanation
The first step for an organization in defining priorities for ZT planning is to determine the current state of its network, security, and business environment. This involves conducting a comprehensive assessment of the existing IT infrastructure, systems, applications, data, and assets, as well as the threats, risks, and vulnerabilities that affect them. The current state analysis also involves identifying the gaps, challenges, and opportunities for improvement in the current security posture, as well as the business goals, objectives, and requirements for ZT implementation12. By determining the current state, the organization can establish a baseline for measuring the progress and impact of ZT, as well as prioritize the most critical and urgent areas for ZT adoption.
References =
Planning for a Zero Trust Architecture: A Planning Guide for Federal Administrators | CSRC Publications NIST Zero Trust Architecture Explained: A Step-by-Step Approach - Comparitech
質問 # 44
In a ZTA, what is a key difference between a policy decision point
(PDP) and a policy enforcement point (PEP)?
- A. A PDP measures incoming control plane authentication signals. A
PEP measures incoming data plane authorization signals. - B. A PDP measures incoming signals against a set of access
determination criteria. A PEP uses incoming signals to open or close a
connection. - C. A PDP measures incoming signals in an untrusted zone. A PEP
measures incoming signals in an implicit trust zone. - D. A PDP measures incoming signals and makes dynamic risk
determinations. A PEP uses incoming signals to make static risk
determinations.
正解：B
解説：
In a ZTA, a policy decision point (PDP) is a logical component that evaluates the incoming signals from an entity requesting access to a resource against a set of access determination criteria, such as identity, context, device, location, and behavior1. A PDP then makes a decision to grant or deny access, or to request additional information or verification, based on the policies defined by the policy administrator1. A policy enforcement point (PEP) is a logical component that uses the incoming signals from the PDP to open or close a connection between the entity and the resource1. A PEP acts as a gateway or intermediary that enforces the decision made by the PDP and prevents unauthorized or risky access2.
References =
* Zero Trust Architecture | NIST
* Policy Enforcement Point (PEP) - Pomerium
質問 # 45
Which vital ZTA component enhances network security and
simplifies management by creating boundaries between resources
in the same network zone?
- A. Decision transmission
- B. Authentication request/validation request (AR/VR)
- C. Session establishment or termination
- D. Micro-segmentation
正解：D
解説：
Explanation
Micro-segmentation is a vital ZTA component that enhances network security and simplifies management by creating boundaries between resources in the same network zone. Micro-segmentation divides the network into smaller segments or zones based on the attributes and context of the resources, such as data sensitivity, application functionality, user roles, etc. Micro-segmentation helps to isolate and protect the resources from unauthorized access and lateral movement of attackers within the same network zone.
References = Certificate of Competence in Zero Trust (CCZT) - Cloud Security Alliance, Zero Trust Training (ZTT) - Module 6: Micro-segmentation
質問 # 46
What does device validation help establish in a ZT deployment?
- A. Trusted connection based on certificate-based keys
- B. High-speed network connectivity
- C. Unrestricted public access
- D. Connection based on user
正解：A
解説：
Explanation
Device validation helps establish a trusted connection based on certificate-based keys in a ZT deployment.
Device validation is the process of verifying the identity and posture of the devices that request access to the protected resources. Device validation relies on the use of certificates, which are digital credentials that bind the device identity to a public key. Certificates are issued by a trusted authority and can be used to authenticate the device and encrypt the communication. Device validation helps to ensure that only healthy and compliant devices can access the resources, and that the connection is secure and confidential.
References =
Certificate of Competence in Zero Trust (CCZT) prepkit, page 15, section 2.2.3 Zero Trust and Windows device health - Windows Security, section "Device health attestation on Windows" Devices and zero trust | Google Cloud Blog, section "In a zero trust environment, every device has to earn trust in order to be granted access."
質問 # 47
What is one benefit of the protect surface in a ZTA for an
organization implementing controls?
- A. Controls can be implemented at the perimeter of the network and
minimize risk. - B. Controls can be moved closer to the asset and minimize risk.
- C. Controls can be implemented at all ingress and egress points of the
network and minimize risk. - D. Controls can be moved away from the asset and minimize risk.
正解：B
解説：
Explanation
The protect surface in a ZTA is the collection of sensitive data, assets, applications, and services (DAAS) that require protection from threats1. One benefit of the protect surface in a ZTA for an organization implementing controls is that it allows the controls to be moved closer to the asset and minimize risk. This means that instead of relying on a single perimeter or boundary to protect the entire network, ZTA enables granular and dynamic controlsthat are applied at or near the DAAS components, based on the principle of least privilege2. This reduces the attack surface and the potential impact of a breach, as well as improves the visibility and agility of the security posture3.
References =
Zero Trust Architecture | NIST
Zero Trust Architecture Explained: A Step-by-Step Approach - Comparitech What is Zero Trust Architecture (ZTA)? - CrowdStrike
質問 # 48
When kicking off ZT planning, what is the first step for an
organization in defining priorities?
- A. Define a business case
- B. Identifying the data and assets
- C. Determine current state
- D. Define the scope
正解：D
解説：
The first step in Zero Trust planning for an organization is to define the scope of the initiative. This involves determining which systems, networks, and data will be covered by the Zero Trust policies and what the specific objectives are. A clearly defined scope helps in prioritizing efforts, allocating resources effectively, and setting clear goals for what the Zero Trust implementation aims to achieve.
質問 # 49
Within the context of risk management, what are the essential
components of an organization's ongoing risk analysis?
- A. Assessment frequency, metrics, and data
- B. Gap analysis, security policies, and migration
- C. Log scoping, log sources, and anomalies
- D. Incident management, change management, and compliance
正解：A
解説：
The essential components of an organization's ongoing risk analysis are assessment frequency, metrics, and data. Assessment frequency refers to how often the organization conducts risk assessments to monitor and measure the effectiveness of the zero trust architecture and policies. Metrics refer to the quantitative and qualitative indicators that are used to evaluate the security posture, performance, and compliance of the zero trust architecture. Data refers to the information that is collected, analyzed, and reported from various sources, such as telemetry, logs, audits, and feedback, to support risk analysis and decision making.
References =
* Zero Trust Planning - Cloud Security Alliance, section "Monitor & Measure"
* How to improve risk management using Zero Trust architecture | Microsoft Security Blog, section
"Monitoring and reporting"
* Zero Trust Adoption: Managing Risk with Cybersecurity Engineering and Adaptive Risk Assessment - SEI Blog, section "Continuous Monitoring and Improvement"
質問 # 50
Which of the following is a common activity in the scope, priority,
and business case steps of ZT planning?
- A. Determine the organization's current state
- B. Identify business and service owners
- C. Prioritize protect surfaces
O C. Develop a target architecture
正解：A
解説：
Explanation
A common activity in the scope, priority, and business case steps of ZT planning is to determine the organization's current state. This involves assessing the existing security posture, architecture, policies, processes, and capabilities of the organization, as well as identifying the key stakeholders, business drivers, and goals for the ZT initiative. Determining the current state helps to establish a baseline, identify gaps and risks, and define the scope and priority of the ZT transformation.
References =
Zero Trust Planning - Cloud Security Alliance, section "Scope, Priority, & Business Case" The Zero Trust Journey: 4 Phases of Implementation - SEI Blog, section "First Phase: Prepare"
質問 # 51
To successfully implement ZT security, two crucial processes must
be planned and aligned with existing access procedures that the ZT
implementation might impact. What are these two processes?
- A. Vulnerability disclosure and patching management
- B. Training and awareness programs
- C. Business continuity planning (BCP) and disaster recovery (DR)
- D. Incident and response management
正解：D
解説：
For a successful implementation of Zero Trust security, planning and aligning incident and response management processes with existing access procedures are crucial. These processes ensure that the organization is prepared to effectively respond to security incidents and breaches, minimizing potential impacts. Aligning these processes with Zero Trust principles enhances the organization's resilience and ability to quickly adapt to threats, maintaining the integrity and availability of its systems and data.
質問 # 52
At which layer of the open systems interconnection (OSI) model
does network access control (NAC) typically operate? Select the
best answer.
- A. Layer 4, the transport layer
- B. Layer 2, the data link layer
- C. Layer 6, the presentation layer
- D. Layer 3, the network layer
正解：B
解説：
Explanation
Network access control (NAC) typically operates at layer 2, the data link layer, of the open systems interconnection (OSI) model. The data link layer is responsible for transferring data between adjacent nodes on a network, such as switches and endpoints. NAC operates at this layer by inspecting and controlling the access of devices to the network based on their MAC addresses, device profiles, security posture, and compliance status.
References = Certificate of Competence in Zero Trust (CCZT) - Cloud Security Alliance, Zero Trust Training (ZTT) - Module 6: Micro-segmentation
質問 # 53
To ensure an acceptable user experience when implementing SDP, a
security architect should collaborate with IT to do what?
- A. Build the business case for SDP, based on cost modeling and
business value. - B. Model and plan the user experience, client software distribution,
and device onboarding processes. - C. Advise IT stakeholders that the security team will fully manage all
aspects of the SDP rollout. - D. Plan to release SDP as part of a single major change or a "big-bang" implementation.
正解：B
解説：
Explanation
To ensure an acceptable user experience when implementing SDP, a security architect should collaborate with IT to model and plan the user experience, client software distribution, and device onboarding processes. This is because SDP requires users to install and use client software to access the protected resources, and the user experience may vary depending on the device type, operating system, network conditions, and security policies. By modeling and planning the user experience, the security architect and IT can ensure that the SDP implementation is user-friendly, consistent, and secure.
References = Certificate of Competence in Zero Trust (CCZT) - Cloud Security Alliance, Zero Trust Training (ZTT) - Module 7: Network Infrastructure and SDP
質問 # 54
To ensure an acceptable user experience when implementing SDP, a
security architect should collaborate with IT to do what?
- A. Advise IT stakeholders that the security team will fully manage all aspects of the SDP rollout.
- B. Build the business case for SDP, based on cost modeling and
business value. - C. Model and plan the user experience, client software distribution,
and device onboarding processes. - D. Plan to release SDP as part of a single major change or a "big-bang" implementation.
正解：C
解説：
To ensure an acceptable user experience when implementing SDP, a security architect should collaborate with IT to model and plan the user experience, client software distribution, and device onboarding processes. This is because SDP requires users to install and use client software to access the protected resources, and the user experience may vary depending on the device type, operating system, network conditions, and security policies. By modeling and planning the user experience, the security architect and IT can ensure that the SDP implementation is user-friendly, consistent, and secure.
References = Certificate of Competence in Zero Trust (CCZT) - Cloud Security Alliance, Zero Trust Training (ZTT) - Module 7: Network Infrastructure and SDP
質問 # 55
Scenario: As a ZTA security administrator, you aim to enforce the
principle of least privilege for private cloud network access. Which
ZTA policy entity is mainly responsible for crafting and maintaining
these policies?
- A. Policy enforcement point (PEP)
- B. Policy administrator (PA)
- C. Policy decision point (PDP)
- D. Gateway enforcing access policies
正解：B
解説：
Explanation
A policy administrator (PA) is a ZTA policy entity that is responsible for crafting and maintaining the policies that govern the access to resources in a ZT environment1. A PA defines the rules and conditions that specify who, what, when, where, and how an entity can access a resource, based on the principle of least privilege2. A PA also updates and reviews the policies periodically to ensure they are aligned with the changing business and security requirements3.
References =
Zero Trust Architecture | NIST
Zero Trust Architecture: Policy Engine and Policy Administrator
Zero Trust Architecture: Policy Administration
質問 # 56
Which ZT tenet is based on the notion that malicious actors reside
inside and outside the network?
- A. Requiring continuous monitoring
- B. Assume breach
- C. Assume a hostile environment
- D. Scrutinize explicitly
正解：B
解説：
Explanation
The ZT tenet of assume breach is based on the notion that malicious actors reside inside and outside the network, and that any user, device, or service can be compromised at any time. Therefore, ZT requires continuous verification and validation of all entities and transactions, and does not rely on implicit trust or perimeter-based defenses
質問 # 57
Network architects should consider__________ before selecting an SDP model.
Select the best answer.
- A. leadership buy-in
- B. cost
- C. their use case
- D. gateways
正解：C
解説：
Explanation
Different SDP deployment models have different advantages and disadvantages depending on the organization's use case, such as the type of resources to be protected, the location of the clients and servers, the network topology, the scalability, the performance, and the security requirements. Network architects should consider their use case before selecting an SDP model that best suits their needs and goals.
References =
Certificate of Competence in Zero Trust (CCZT) prepkit, page 21, section 3.1.2
6 SDP Deployment Models to Achieve Zero Trust | CSA, section "Deployment Models Explained" Software-Defined Perimeter (SDP) and Zero Trust | CSA, page 7, section 3.1 Why SDP Matters in Zero Trust | SonicWall, section "SDP Deployment Models"
質問 # 58
How can ZTA planning improve the developer experience?
- A. Streamlining access provisioning to deployment environments.
- B. Disallowing DevOps teams access to the pipeline or deployments.
- C. Use of a third-party tool for continuous integration/continuous
deployment (CI/CD) and deployments. - D. Require deployments to be grouped into quarterly batches.
正解：A
解説：
ZTA planning can improve the developer experience by streamlining access provisioning to deployment environments. This means that developers can access the resources and services they need to deploy their applications in a fast and secure manner, without having to go through complex and manual processes. ZTA planning can also help to automate and orchestrate the access provisioning using dynamic and granular policies based on the context and attributes of the developers, devices, and applications.
References = Certificate of Competence in Zero Trust (CCZT) - Cloud Security Alliance, Zero Trust Training (ZTT) - Module 10: ZTA Planning and Implementation
質問 # 59
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