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| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Designing Cisco Security Infrastructure (DCSI) |
| Exam Number: | 300-745 |
| Exam Price: | $300 USD (may vary by region) |
| Certificate Validity Period: | 3 years |
| Exam Duration: | 90 minutes |
| Available Languages: | English, Japanese |
| Real Exam Qty: | Approximately 55โ65 |
| Exam Format: | Multiple response, Multiple choice, Drag and drop, Simulation / scenario-based questions |
| Related Certifications: | CCIE Security CCNP Security |
| Recommended Training: | Cisco Official Training: Designing Cisco Security Infrastructure Cisco Learning Network - DCSI |
| 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 |
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NEW QUESTION # 37
An IT company experienced the spread of malicious content between user endpoints, which impacted business critical resources. The company wants to implement a solution to control communication between individual endpoints on the network. Which approach achieves the goal?
Answer: C
Explanation:
Cisco TrustSec enables software-defined segmentation by assigning Security Group Tags (SGTs) to endpoints and enforcing communication policies. This allows granular control of traffic between individual endpoints, preventing the spread of malicious content across the network.
NEW QUESTION # 38
A video game company identified a potential threat of a SYN flood attack, which could disrupt the online gaming services and impact user experience. The attack can overwhelm network resources by exploiting the TCP handshake process, leading to server unavailability and degraded performance. To safeguard the company's infrastructure and ensure uninterrupted service, it is essential to enhance the security measures in place. The company must implement a solution that manages and mitigates the risk of such network-based attacks. Which security product must be implemented to mitigate similar risks?
Answer: B
Explanation:
A SYN flood attack is a classic Denial-of-Service (DoS) technique that exploits the TCP three-way handshake. By sending a massive volume of SYN packets without completing the handshake, the attacker exhausts the target server's connection table.Cisco Secure Firewall(formerly Firepower) is the architectural component designed to mitigate these network-layer threats.
Cisco Secure Firewall utilizes features such asTCP InterceptandSYN Cookiesto defend against these attacks. When a SYN flood is detected, the firewall can act as a proxy for the handshake, only passing the completed connection to the backend server once the three-way handshake is verified. This prevents the server's resources from being overwhelmed by "half-open" connections.
In contrast,Cisco Web Security Appliance(Option A) is focused on web-based (HTTP/HTTPS) threats and proxying, not low-level TCP flood mitigation.Cisco Umbrella(Option B) primarily provides DNS-layer security and Secure Internet Gateway (SIG) services, which are ineffective against a direct SYN flood targeting an on-premises or cloud-hosted gaming server.Cisco Secure Endpoint(Option C) protects individual hosts from malware but cannot protect the network infrastructure or the server's TCP stack from being saturated by high-volume flood traffic. Consequently, Cisco Secure Firewall is the essential product for managing and mitigating these infrastructure-level network attacks.
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NEW QUESTION # 39
Which design policy addresses harmful content creation by generative AI?
Answer: A
Explanation:
The creation of harmful content (such as hate speech, misinformation, or malicious code) by generative AI models is a major concern in modern security design. The most effective design policy to mitigate this is the Human-in-the-loop (HITL)approach. This involves integrating human oversight and intervention at various stages of the AI's operation, particularly during the verification of the model's output before it is published or acted upon.
According to Cisco SDSI objectives regarding AI security, HITL ensures that automated decisions are subject to ethical judgment and contextual awareness that AI currently lacks. Humans can provide "Reinforcement Learning from Human Feedback" (RLHF) to tune the model's safety filters, ensuring it refuses to generate toxic or prohibited content. WhileWatermarking(Option B) helps identify content as AI-generated after the fact, it does not prevent thecreationof harmful material.Retrieval Augmented Generation (RAG)(Option C) is a technique for grounding AI in specific data to reduce "hallucinations" but doesn't inherently filter for harmful intent.Quantum resistant encryption(Option A) is a cryptographic standard unrelated to content moderation. HITL remains the primary safeguard for ensuring AI outputs align with safety guidelines and organizational requirements.
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NEW QUESTION # 40
After a recent security breach, a financial company is reassessing their overall security posture and strategy to better protect sensitive data and resources. The company already deployed on-premises next-generation firewalls at the network edge for each branch location. Security measures must be enhanced at the endpoint level. The goal is to implement a solution that provides additional traffic filtering directly on endpoint devices, thereby offering another layer of defense against potential threats. Which technology must be implemented to meet the requirement?
Answer: C
Explanation:
When moving security closer to the data, the endpoint becomes the final perimeter. Ahost-based firewallis a software component that runs directly on the endpoint's operating system (Windows, macOS, or Linux).
While the company already has Next-Generation Firewalls (NGFWs) at the network edge, those devices cannot protect endpoints from threats originating within the same local network segment (East-West traffic) or when the device is used outside the corporate office.
Implementing a host-based firewall provides a critical layer ofdefense-in-depth. It allows security administrators to enforce strict inbound and outbound traffic rules based on applications and services specific to that device. For example, it can prevent a compromised laptop from scanning other devices on a public Wi- Fi network. In the Cisco ecosystem, this is often achieved through theCisco Secure Client(AnyConnect) using theNetwork Visibility Module (NVM)or integrated endpoint security suites.
While aDistributed Firewall(Option C) is used for micro-segmentation within data centers/clouds and aWeb Application Firewall (WAF)(Option B) protects servers from web-based attacks, only a host-based firewall meets the requirement for traffic filtering directly on the diverse array of endpoint devices. This approach ensures that even if the network edge is bypassed, the individual host remains hardened against lateral movement and unauthorized communication.
NEW QUESTION # 41
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: B
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 # 42
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