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| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Designing Cisco Security Infrastructure |
| Exam Number: | 300-745 |
| Related Certifications: | Cisco Certified Network Professional (CCNP) Security Cisco Certified Specialist - Designing Cisco Security Infrastructure |
| Available Languages: | English |
| Exam Price: | $300 USD |
| Exam Duration: | 90 minutes |
| Sample Questions: | Cisco 300-745 Sample Questions |
| Exam Way: | Pearson VUE (Online or Test Center) |
| Official Syllabus URL: | https://www.cisco.com/site/us/en/learn/training-certifications/exams/sdsi.html |
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NEW QUESTION # 15
A global hotel chain is using Cisco ISE and Cisco switches to manage the network. The hotel company wants to enhance network security by segmenting users and endpoints. The company must ensure that devices within the same VLAN cannot communicate with each other. The goal is to prevent cross-communication without the use of dynamic access control lists. Which action must be taken using Cisco ISE to meet the requirement?
Answer: A
Explanation:
Cisco TrustSec is a next-generation security architecture that provides software-defined segmentation to simplify the provisioning of network access control. In a hotel environment where guest privacy is paramount, TrustSec is the ideal solution to prevent "peer-to-peer" or cross-communication between devices located within the same VLAN. Traditional methods for this isolation, such as Private VLANs (PVLANs) or complex, manually managed Access Control Lists (ACLs), can be extremely difficult to maintain at scale across a global infrastructure.
TrustSec replaces these IP-based or VLAN-based restrictions with Scalable Group Tags (SGTs). When a device connects to the network, Cisco Identity Services Engine (ISE) authenticates the endpoint and assigns it a specific SGT based on its role, identity, or security posture. The network infrastructure (switches) then enforces policy based on these tags. To meet the requirement of preventing communication between devices in the same VLAN without using dynamic ACLs (dACLs), ISE can be configured to assign the same SGT to guest devices and then apply a Security Group ACL (SGACL) that denies traffic where both the source and destination tags are identical. This "intra-SGT" isolation effectively blocks devices from communicating with their neighbors on the same local segment. This approach aligns with the Cisco SAFE architecture by providing granular, identity-aware segmentation that is topology-independent, allowing the hotel chain to maintain a simplified network structure while ensuring robust client security.
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NEW QUESTION # 16
Refer to the exhibit. A retail company recently deployed a file inspection feature using secure endpoint. The file inspection must detect and prevent the execution of malicious files on machines. During testing, logs showed that certain malicious files are still being executed despite the presence of the security measure. To understand why the threats are not being blocked, it is essential to investigate the configuration of secure endpoint policies. Which configuration is allowing the files to execute?
Answer: A
Explanation:
The exhibit shows that the malicious file was detected but not quarantined with the note "In audit only mode." This indicates that the secure endpoint policy was set to audit mode, which only logs detections instead of blocking execution. To prevent malicious files from running, the policy must be switched from audit mode to enforcement (block) mode.
NEW QUESTION # 17
A financial company is in the process of upgrading network access across the entire company. The solution must ensure: least privilege access control access across different network segments and increased security for employees. Which solution approach must the company take?
Answer: C
Explanation:
In the architecture of a modern secure infrastructure, achievingleast privilegeis a foundational requirement, especially for a financial institution where data sensitivity is high.Role-Based Access Control (RBAC)is the specific methodology used to restrict network access based on the roles of individual users within an enterprise. By implementing RBAC, the security team can ensure that employees only have access to the specific network segments and resources necessary for their job functions, effectively minimizing the internal attack surface.
Within the Cisco Security ecosystem, RBAC is often operationalized through tools likeCisco Identity Services Engine (ISE)usingScalable Group Tags (SGTs). Instead of relying on static IP addresses or complex Access Control Lists (ACLs) that are difficult to maintain across different segments, RBAC allows for dynamic policy enforcement. For example, a "Financial Auditor" role would automatically be granted access to the accounting segment but blocked from the development segment, regardless of where they plug into the network. WhilePKI(Option C) provides strong authentication and encryption, andNetFlow(Option A) provides visibility, neither inherently defines the "least privilege" permission structure. RBAC is the architectural approach that directly maps business requirements to technical access policies, ensuring that security is maintained across segmented environments as required by the Cisco SDSI objectives for secure infrastructure design.
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NEW QUESTION # 18
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?
Answer: C
Explanation:
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.
NEW QUESTION # 19
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: B
Explanation:
The scenario describes a typical "insider threat" involvingdata exfiltration. While the initial failure was likely in the off-boarding process (Identity Management), the technical control required to specifically "detect and restrict unauthorized data access and transfer" is aData Loss Prevention (DLP) strategy. DLP solutions are designed to monitor, detect, and block sensitive data from leaving the organization's control.
A robust DLP strategy-integrated across Cisco platforms likeEmail Security (ESA),Web Security (WSA), andCisco Umbrella-works by identifying sensitive content (such as customer lists, proprietary code, or financial data) using techniques like fingerprinting or keyword matching. If an unauthorized attempt is made to upload this data to a personal cloud drive or send it via email, the DLP engine intercepts and blocks the transfer. WhileAudit Logging(Option D) is essential for forensic investigationafterthe fact, it does not
"restrict" the transfer in real-time.WAFs(Option A) protect against external attacks on web servers, and Network Policies(Option B) control traffic flow but generally lack the content-awareness required to identify sensitive business data. Implementing DLP ensures that the organization's intellectual property remains protected even if an account remains active or a user has legitimate network access.
NEW QUESTION # 20
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