300-745トレーリングサンプル & 300-745日本語関連対策

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Cisco 300-745 認定試験の出題範囲：

トピック出題範囲
トピック 1
  • Secure Infrastructure: Covers selecting security approaches for endpoints, identities, email, and modern environments like hybrid work, IoT, SaaS, and multi-cloud. Includes choosing VPN
  • tunneling solutions, securing management planes, and selecting the appropriate firewall architecture based on business needs.
トピック 2
  • Risk, Events, and Requirements: Covers SOC incident handling and response tools, modifying security designs to mitigate or respond to incidents, and applying frameworks like MITRE CAPEC, NIST SP 800-37, and SAFE. Includes matching regulatory and compliance requirements to business scenarios.
トピック 3
  • Artificial Intelligence, Automation, and DevSecOps: Explores AI's role in securing network infrastructure, selecting tools for automated security architectures such as SOAR, IaC, and API tooling, and integrating security into DevSecOps workflows and pipelines to minimize deployment risk.
トピック 4
  • Applications: Focuses on selecting security solutions to protect applications and designing secure architectures for cloud-native, containerized, and serverless environments using segmentation. Also addresses security design impacts of emerging technologies like AI, ML, and quantum computing.

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Cisco Designing Cisco Security Infrastructure 認定 300-745 試験問題 (Q24-Q29):

質問 # 24
An agricultural company wants to enhance the cybersecurity posture by implementing a defense-in-depth strategy to protect against polymorphic malware threats. Currently, the company's security infrastructure relies solely on a stateful traditional edge firewall that does not provide adequate protection against malware variants. Which technology must be added to the company's security architecture to achieve the goal?

正解：B

解説：
Polymorphic malware is particularly dangerous because it constantly changes its identifiable features (such as its file name or encryption keys) to evade traditional signature-based detection. A stateful traditional firewall is ineffective here as it primarily checks packet headers rather than inspecting the payload for malicious intent. To defend against these variants, aheuristics-based IPS (Intrusion Prevention System)is required.
Unlike traditional IPS systems that look for an exact match of a known threat "signature," heuristics-based systems look forsuspicious characteristicsor behaviors. For example, if a file attempts to modify system registries in a specific sequence or uses obfuscation techniques common to malware, the heuristics engine will flag and block it even if it has never seen that specific version of the malware before. This is a core component ofCisco Secure Firewall (NGFW). While aWAF(Option A) protects web applications and a Network Performance Monitor(Option C) provides visibility into traffic speeds, neither is designed to combat evolving malware. Adding a heuristics-based IPS provides the "deep packet inspection" layer necessary for a true defense-in-depth strategy, ensuring the agricultural company is protected against modern, evasive cyber threats.
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質問 # 25
A product manager is focused on maintaining the security integrity of a microservice-based application as new features are developed and integrated. To ensure that known software vulnerabilities are not introduced into the product, it is crucial to implement a robust application security technique. The technique must be applied during the build phase of the software development lifecycle, which allows the team to proactively entity and address vulnerability risks before deployment. Which application security technique must be applied to accomplish the goal?

正解：B

解説：
Container scanning during the build phase ensures that no known software vulnerabilities are introduced into the application. It scans container images for outdated libraries, misconfigurations, and security flaws before deployment, allowing proactive remediation. This directly supports maintaining the security integrity of a microservice-based application.


質問 # 26
An employee of a pharmaceutical company accidentally checked in code that contains AWS secret keys to a public GitHub repository, which exposes production resources to attackers. Which mitigation strategy must a security engineer recommend to prevent future reoccurrence?

正解：C

解説：
Accidental exposure of sensitive credentials, such as API keys or AWS secrets, is a major risk in modern DevOps environments. To prevent such incidents from occurring, the most effective technical control is the implementation of aSource Code Management (SCM) precommit hook. A precommit hook is a script that runs locally on a developer's machine before a commit is finalized and pushed to a remote repository.
According to Cisco's DevSecOps design principles, precommit hooks can be configured to scan the code for specific patterns that resemble secrets (e.g., regex for AWS Access Key IDs). If the scanner detects a secret, it automatically aborts the commit, forcing the developer to remove or properly encrypt the sensitive data before the code can leave their local machine. This provides an immediate "shift-left" safety net that stops the leak at the source.
While aWeb Application Firewall (WAF)(Option A) protects against external attacks andPort Security (Option B) manages Layer 2 access, neither can prevent a developer from pushing code to GitHub. Aphishing education campaign(Option C) is beneficial for general security awareness but does not provide the automated, technical enforcement required to block credential leakage. By configuring precommit hooks, the pharmaceutical company establishes a proactive defense mechanism that significantly reduces the risk of credential exposure and aligns with the automation objectives of the Cisco SDSI curriculum.


質問 # 27
How does AI improve the performance of intrusion prevention systems (IPS)?

正解：D

解説：
AI enables IPS platforms to analyze traffic patterns in real time and dynamically create or adjust rules to respond to new and evolving threats.


質問 # 28
An administrator at a large university wants to ensure that the new employees have the right level of access when they are onboarded. The administrator asked the team to configure the cloud environment and ensure that new employees have the appropriate access based on their roles and responsibilities. Which technique must be recommended to ensure the right level of access?

正解：D

解説：
Identity Access Management (IAM) enforces role-based access control, ensuring that new employees are automatically given the correct permissions aligned with their roles and responsibilities. This approach secures the cloud environment by preventing excessive or inappropriate access.


質問 # 29
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