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Cisco 300-745 Exam Overview:

Certification Vendor:Cisco
Exam Name:Designing Cisco Security Infrastructure (DCSI)
Exam Number:300-745
Certificate Validity Period:3 years
Exam Format:Drag and drop, Multiple response, Multiple choice, Simulation / scenario-based questions
Exam Duration:90 minutes
Related Certifications:CCIE Security
CCNP Security
Available Languages:English, Japanese
Real Exam Qty:Approximately 55–65
Exam Price:$300 USD (may vary by region)
Recommended Training:Cisco Official Training: Designing Cisco Security Infrastructure
Cisco Learning Network - DCSI
Exam Registration:Pearson VUE Cisco Exams
Cisco Certification Registration
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

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Cisco 300-745 Exam Syllabus Topics:

TopicDetails
Topic 1
  • 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.
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
  • 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 4
  • 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.

Cisco Designing Cisco Security Infrastructure Sample Questions (Q10-Q15):

NEW QUESTION # 10
A construction company recently introduced a BYOD policy, where contractors can bring personal devices and connect to the wireless network. The network engineer configured a Wi-Fi network with a guest splash page to provide internet access only. Although the policy was limited to wireless devices, contractors started bringing devices that needed wired connections without authorization and connecting to the network. The network team suggested shutting down ports where unauthorized devices are connected. Which technology must be implemented to ensure that wired and wireless devices are granted network access only after successful authentication?

Answer: C

Explanation:
802.1X provides port-based network access control, requiring devices (wired or wireless) to authenticate before gaining network access. This ensures that only authorized users and devices can connect, enforcing the BYOD policy and preventing unauthorized wired connections.


NEW QUESTION # 11
A financial company uses a remote access solution that directs all traffic over a secure tunnel. The company recently received some large ISP bills from the headquarter location. According to traffic analysis during the investigation, most of the network traffic was due to employees spending a lot of time on video conferences provided by a SaaS collaboration company. What must the company modify to reduce the cost without negatively impacting security or employee experience?

Answer: B

Explanation:
In aFull TunnelVPN configuration, all traffic from the remote client is sent to the VPN headend before being routed to its final destination. This often results in "hairpinning," where high-bandwidth latency-sensitive traffic, such as video conferencing, travels to the corporate data center only to be sent back out to the internet, doubling the bandwidth consumption at the headquarter's ISP link.
To resolve this, the company should implementSplit-Excludetunneling. This configuration allows the VPN administrator to define specific applications or IP ranges-in this case, the SaaS video platform-that should bypass the secure tunnel and go directly to the internet via the user's local ISP. This significantly reduces the load on the corporate headquarter's internet connection and often improves the "employee experience" by reducing latency for the video stream. Unlike Option A, which degrades quality, or Option C/D, which disrupts workflow and security posture, split-excluding trusted SaaS traffic maintains a high security standard for internal resources while optimizing infrastructure costs. This aligns with theCisco SDSIobjective of designing scalable and cost-effective remote access solutions usingCisco Secure Client(AnyConnect) and Firepower Threat Defense (FTD) policies.
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NEW QUESTION # 12
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: A

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 # 13
Refer to the exhibit.

In addition to SSL decryption, which firewall feature allows malware to be blocked?

Answer: B

Explanation:
Based on the provided exhibits, the correct firewall feature for blocking malware in this context isFile Inspection.
Inimage_4c047c.png, we see a Cisco Secure Firewall Access Control Policy rule named "Default Inspect".
This rule is configured to allow traffic from the "inside" zone to the "outside" zone while applying deep packet inspection. Crucially, the configuration includes aFile Policyfield, which is the mechanism used to perform malware analysis and file disposition lookups. By associating a File Policy with an Access Control rule, the firewall can inspect files as they transit the network, calculate their SHA-256 hash, and query the Cisco Collective Security Intelligence cloud to determine if the file is malicious, clean, or unknown.
The evidence of this feature in action is found inimage_4b1ebe.png, which shows theCisco Secure Endpoint (formerly AMP for Endpoints) Device Trajectory. The "Activity Details" pane specifically identifies a malicious file (iodnxvg.exe) categorized asW32.DFC.MalParent. While the log notes the file was not quarantined because it was in "audit only mode," the underlying technology performing the detection isFile Inspection. This feature provides the necessary visibility into the contents of encrypted or unencrypted data streams to identify and-when properly configured in a "Protect" or "Block" mode-stop the execution of malware. This aligns with the Cisco SDSI objective of building a layered defense that combines perimeter traffic control with granular file-level security.


NEW QUESTION # 14
A telecommunications company recently introduced a hybrid working model. Based on the new policy, employees can work remotely for 2 days per week if corporate equipment is used. The IT department is preparing corporate laptops to support users during the remote working days.
Which solution must the IT department implement that provides secure connectivity to corporate resources and protects sensitive corporate data even if a laptop is stolen?

Answer: D

Explanation:
Cisco Secure Client (formerly AnyConnect) provides secure remote connectivity through VPN, ensuring encrypted access to corporate resources. It also integrates endpoint security features, protecting sensitive corporate data even if a laptop is stolen.


NEW QUESTION # 15
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