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| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Designing Cisco Security Infrastructure (DCSI) |
| Exam Number: | 300-745 |
| Exam Format: | Multiple response, Simulation / scenario-based questions, Multiple choice, Drag and drop |
| Related Certifications: | CCIE Security CCNP Security |
| Exam Duration: | 90 minutes |
| Exam Price: | $300 USD (may vary by region) |
| Available Languages: | Japanese, English |
| Real Exam Qty: | Approximately 55–65 |
| Certificate Validity Period: | 3 years |
| Recommended Training: | Cisco Learning Network - DCSI Cisco Official Training: Designing Cisco Security Infrastructure |
| Exam Registration: | Cisco Certification Registration Pearson VUE Cisco Exams |
| Sample Questions: | Cisco 300-745 Sample Questions |
| Exam Way: | Available via Pearson VUE test centers and online proctored exam |
| Pre Condition: | Recommended: CCNA-level knowledge. Required for CCNP Security: Passing 350-701 SCOR core exam plus one concentration exam such as 300-745 DCSI. |
| Official Syllabus URL: | https://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/300-745-dsci.html |
>> 300-745 Prüfungsinformationen <<
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38. Frage
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 identify and address vulnerability risks before deployment. Which application security technique must be applied to accomplish the goal?
Antwort: A
Begründung:
In a microservices-based architecture, applications are typically packaged into containers to ensure consistency across different environments. According to theDesigning Cisco Security Infrastructure (SDSI) objectives, securing the software development lifecycle (SDLC) requires integrating security checks as far
"left" as possible.Container scanningis the specific technique used during the build phase to inspect container images for known software vulnerabilities (CVEs) within the bundled libraries, binaries, and dependencies.
When a developer initiates a build, the container scanning tool cross-references the layers of the image against vulnerability databases. If a high-risk vulnerability is detected in a base image or a third-party library, the build can be automatically failed, preventing the vulnerable code from ever reaching the registry or production environment. This directly addresses the product manager's goal of ensuring known vulnerabilities are not introduced. WhileSecret Detection(Option A) is vital for finding leaked API keys or passwords, and Infrastructure as Code (IaC) scanning(Option C) ensures the environment configuration is secure, neither specifically targets the software vulnerabilities within the application package itself. Similarly,Open API specification analysis(Option D) focuses on the contract and security of the interface rather than the underlying software vulnerabilities. By implementing container scanning, organizations align with Cisco's DevSecOps framework, which emphasizes automated, policy-driven security within the CI/CD pipeline to maintain the integrity of cloud-native applications.
39. Frage
A bank experienced challenges with compromised endpoints gaining access to the internal network. To enhance security, the bank wants to ensure that all endpoints are scanned for compliance check before being allowed to access the network. Which action achieves the level of security and control?
Antwort: A
Begründung:
Posture validation with Cisco ISE checks endpoint compliance (such as antivirus status, patches, and security configurations) before granting network access. This ensures compromised or non- compliant endpoints are denied access, directly addressing the bank's security concern.
40. Frage
A technology company has many remote workers who access corporate resources from various locations. The company must ensure that security policies are managed and enforced directly on endpoints, and endpoints are protected from threats regardless of location. Which firewall architecture meets the requirements?
Antwort: C
Begründung:
As organizations shift toward a "borderless" or hybrid work model, the traditional perimeter-based security model becomes insufficient. When employees work from home, coffee shops, or airports, they are no longer behind the enterprise's physicalNext-Generation Firewall (NGFW)(Option A). To ensure that security policies are enforced "regardless of location," the security must move with the device.
Ahost-based firewallis a software-defined firewall that resides directly on the endpoint (laptop, workstation, or server). In the Cisco ecosystem, this is often a component ofCisco Secure ClientorCisco Secure Endpoint
. Because the firewall is local to the operating system, it can enforce strict inbound and outbound traffic rules even when the user is not connected to a VPN. This protects the device from lateral movement threats on untrusted local networks (like a public Wi-Fi) and ensures that only authorized applications can communicate over the network.
While an NGFW (Option A) provides superior deep packet inspection for the corporate perimeter, and aWeb Application Firewall (WAF)(Option C) protects web servers from application-layer attacks, neither provides the local, location-independent protection required for a distributed remote workforce. Implementing a host- based firewall aligns with theZero Trustarchitecture promoted by Cisco, where the endpoint itself becomes a micro-perimeter capable of self-protection.
41. Frage
A developer company recently made a contract with new customer in the financial space. The customer has multiple remote sites and requires a VPN solution with the highest encryption.
Which protocol must be used in IPsec Phase 2?
Antwort: D
Begründung:
In IPsec Phase 2, the Encapsulating Security Payload (ESP) protocol is used to provide confidentiality, integrity, and authentication for VPN traffic. ESP ensures the highest encryption and protection for sensitive financial data across remote sites.
42. Frage
What does watermarking AI generated content prevent?
Antwort: B
Begründung:
In the realm of Artificial Intelligence and DevSecOps,watermarkingis a critical security technique used to identify the origin of synthetic media. As generative AI models become increasingly sophisticated, they can create highly realistic images, videos, and audio clips-often referred to asdeep fakes. These deep fakes pose a significant risk to organizational security and public trust, as they can be used for sophisticated social engineering attacks, such as impersonating executives in "Business Email Compromise" (BEC) scenarios or spreading misinformation.
By embedding a cryptographic or perceptible watermark into AI-generated content, security systems and users can verify the authenticity and provenance of the media. This proactive measure helps prevent the successful deployment of deep fakes by making it easier for automated security tools to flag synthetic content that lacks a valid "signature" of origin. While watermarking does not inherently stop the creation ofharmful content(Option C) or reduceresource consumption(Option A), it provides a layer of accountability and verification. Similarly,scale changes(Option D) are technical image manipulations that watermarking does not prevent. Within the Cisco SDSI framework, watermarking is viewed as an essential component of the AI security lifecycle, ensuring that generative technologies are used responsibly and that synthetic content is distinguishable from genuine data.
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43. Frage
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