2026 Latest 300-745 Exam Review & Unparalleled Valid Designing Cisco Security Infrastructure Test Labs

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Cisco 300-745 Exam Syllabus Topics:

TopicDetails
Topic 1
  • 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.
Topic 2
  • 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.
Topic 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.
Topic 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 Sample Questions (Q37-Q42):

NEW QUESTION # 37
A logistics company wants to deploy an application in the cloud using cloud native techniques.
The company must ensure that the development, testing, and production environments are as identical as possible with the lowest risk of the development and testing environments impacting production. Which solution must be used to accomplish the task?

Answer: B

Explanation:
Using separate cloud accounts for development, testing, and production ensures strong isolation between environments. This prevents accidental impact on production while maintaining consistent, cloud-native deployments across all stages with minimal risk.


NEW QUESTION # 38
A company recently discovered that a former employee, who left to join a competitor, continued to access and exfiltrate sensitive data over several weeks after leaving. The breach highlighted vulnerabilities in the organization's data security and access management practices. To prevent such incidents in the future, the organization must adopt measures that detect and restrict unauthorized data access and transfer. Which mitigation strategy must be implemented to address the issue?

Answer: C

Explanation:
A Data Loss Prevention (DLP) strategy directly addresses the problem of unauthorized access and exfiltration of sensitive data. DLP tools monitor, detect, and block suspicious data transfers, ensuring that insiders or former employees cannot copy, email, or upload sensitive information without authorization. This provides the required prevention and control that the scenario calls for.


NEW QUESTION # 39
A manufacturing company experienced a security breach that resulted in sales data being compromised. An engineer participating in the investigation must identify who logged into the sales system during the affected period. Which approach must be used to gather the information?

Answer: A

Explanation:
In the aftermath of a security breach, forensic investigators rely on theAccountingportion ofAAA (Authentication, Authorization, and Accounting)to reconstruct a timeline of events. While Authentication verifies identity and Authorization defines permissions, Accounting is the specific framework used to track user activity, including login/logout times and the specific commands executed during a session.
According to Cisco Security Infrastructure design objectives, implementing a centralized AAA solution (such asCisco Identity Services Engine (ISE)or a TACACS+/RADIUS server) is critical for accountability. In this scenario, the engineer would query the AAA logs to identify exactly "who" accessed the sales system during the compromise period.SNMP(Option A) is primarily for network monitoring and performance data, not granular user access logs.NACM(Option B) is an access control model for NETCONF but doesn't provide the broad auditing required here.PKI(Option D) provides the certificates used for digital signatures and encryption but does not log the historical "session" data needed for the investigation. Therefore, AAA is the fundamental architectural requirement for ensuring non-repudiation and providing the audit trail necessary to satisfy risk management and incident response requirements.
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NEW QUESTION # 40
A furniture company recently discovered that the endpoint detection and response configuration flagged several malicious files on company-managed laptops. The company must enhance security to prevent known malicious files from being delivered to the network and endpoints. The new solution must enhance the company's ability to inspect and filter incoming traffic effectively. Which security product must be used to accomplish this goal?

Answer: C

Explanation:
While Endpoint Detection and Response (EDR) is excellent at catching threats that have already reached a device, the objective here is topreventthose files from being delivered in the first place by enhancing the inspection of incoming traffic. ANext-Generation Firewall (NGFW)is the correct architectural choice for this requirement because it operates at the network perimeter (or between segments) and provides deep packet inspection (DPI) far beyond the capabilities of a traditional firewall.
A Cisco Secure Firewall (NGFW) integrates multiple security services into a single platform, including Intrusion Prevention Systems (IPS), Application Visibility and Control (AVC), andAdvanced Malware Protection (AMP). When malicious files are sent toward the network, the NGFW can identify them by their signature or behavior and block the transfer before the file ever reaches the internal infrastructure or endpoints. This effectively "cleans" the traffic stream at the gate.
Atraditional firewall(Option B) lacks the application-layer visibility needed to identify malicious file content, as it primarily filters based on IP and port. Ahost-based firewall(Option C) filters traffic at the individual device level, which is a late-stage defense rather than a network delivery prevention tool.eBPF (Option D) is a high-performance kernel technology used for observability and distributed filtering but is not a standalone "security product" used for perimeter traffic inspection in this context. Implementing an NGFW aligns with the Cisco SAFE principle of providing a layered defense that blocks threats as far from the critical assets as possible.
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NEW QUESTION # 41
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 checks before being allowed to access the network. Which action achieves the level of security and control?

Answer: D

Explanation:
In high-security environments like banking, simply verifying a user's identity is insufficient; the "health" or security state of the device must also be validated.Posture validation, implemented throughCisco Identity Services Engine (ISE), is the specific architectural process used to ensure an endpoint meets the organization's security requirements-such as having an active antivirus, the latest OS patches, or disk encryption enabled-before it is granted access to the internal network.
When an endpoint connects, Cisco ISE triggers a posture check (often via the Cisco Secure Client agent). If the device is found to be non-compliant (e.g., outdated signatures), ISE can move the endpoint into a restricted quarantineVLAN where it can only access remediation servers to update its software. Only after a successful re-scan shows the device is compliant is the network access policy updated to allow full internal connectivity.
This effectively prevents compromised or "dirty" endpoints from spreading threats laterally across the bank's network. WhileMFA(Option A) secures the user's identity andTrustSec(Option B) provides segmentation, only Posture validation addresses the technical compliance of the endpoint hardware and software itself.Data Loss Prevention(Option C) is focused on data transit rather than initial network admission control.
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NEW QUESTION # 42
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