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| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Designing Cisco Security Infrastructure |
| Exam Number: | 300-745 |
| Available Languages: | English |
| Exam Duration: | 90 minutes |
| Exam Price: | $300 USD |
| Related Certifications: | Cisco Certified Network Professional (CCNP) Security Cisco Certified Specialist - Designing Cisco Security Infrastructure |
| 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 # 47
A restaurant distribution center recently suffered a password spray attack targeting the Cisco Secure Firepower Threat Defense VPN headend. The attack attempts to gain unauthorized access by trying common passwords across many accounts. The attack poses a significant security threat to the organization's remote access infrastructure. To enhance the security of the VPN setup and minimize the risk of similar attacks in the future, the IT security team must implement effective mitigation measures. Which technique effectively reduces the risk of this type of attack?
Answer: A
Explanation:
In the context of Designing Cisco Security Infrastructure, protecting Remote Access VPN (RAVPN) against brute-force and password spray attacks is a critical objective. On Cisco Firepower Threat Defense (FTD) and Adaptive Security Appliance (ASA) platforms, theDefaultWEBVPNGroupandDefaultRAGroupare the landing points for any connection request that does not specify a valid Group Alias or Group URL. Attackers frequently target these default profiles because they are often left with "None" as the authentication method, allowing the attacker to probe for valid usernames without immediate rejection.
By selectingOption D, the security designer ensures that any attempt to access the VPN via these default profiles requires valid AAA credentials. According to Cisco's hardened design guides, it is best practice to point these default profiles to a "sinkhole" AAA server or a local database with no users. This forces the password spray attack to fail at the initial authentication phase before any sensitive information is leaked or unauthorized access is granted. While Option A (ACLs) provides a temporary fix, it is ineffective against distributed attacks using rotating IP addresses. Option B (Disabling aliases) is a good obfuscation technique but doesn't stop an attacker from hitting the default profile. Option D provides a structural mitigation that aligns with theCisco SAFEarchitectural principle of reducing the attack surface by securing every possible entry vector into the private infrastructure.
NEW QUESTION # 48
Which function does a DLP system perform when protecting application data?
Answer: D
Explanation:
A Data Loss Prevention (DLP) system inspects data in transit (and at rest or in use) to ensure sensitive information is handled according to security policies.
NEW QUESTION # 49
A pharmaceutical company needs hub-and-spoke VPN topology. The design must be capable of building either partial or full mesh overlay networks. Which VPN solution must be implemented in the environment?
Answer: A
Explanation:
Dynamic Multipoint VPN (DMVPN) supports hub-and-spoke topologies while allowing flexibility to build partial or full mesh overlays as needed. It provides scalable and dynamic VPN tunnels without requiring static configuration, making it the best fit for the requirement.
NEW QUESTION # 50
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:
TheCisco Secure Client(formerly AnyConnect) is the comprehensive solution designed to handle the complexities of a hybrid workforce. To meet the company's requirements, Secure Client provides a secure VPN tunnel (SSL or IPsec) that ensures all traffic between the remote laptop and corporate resources is encrypted and authenticated.
Critically, for the scenario where a laptop is stolen, Secure Client integrates with various endpoint security modules. While it primarily handlessecure connectivity, it is the platform that hosts features likeAlways-On VPNand management of disk encryption status. According to Cisco Security Infrastructure design principles, Secure Client acts as the unified agent on the endpoint that maintains the security posture and connectivity regardless of the user's location.
WhileCisco Duo(Option B) provides essential Multi-Factor Authentication (MFA) to verify the user's identity, it does not provide the encrypted tunnel for data transit.ISE Posture(Option C) is a feature (often deliveredviaSecure Client) that checks the health of the device but doesn't provide the connectivity itself.
Umbrella(Option D) protects the user from malicious sites and provides a roaming client for DNS/web security, but it does not replace the requirement for a secure tunnel to private corporate resources. Therefore, Secure Clientis the holistic solution that bridges the gap between the remote user and the corporate data center while ensuring that the device remains under the organization's security umbrella.
NEW QUESTION # 51
A retail company is facing a series of cyberattacks targeting web servers, which results in disruptions to online services. Upon investigation, the security team identified that these attacks involved invalid HTTP request headers, which were used to exploit vulnerabilities in the web application. To safeguard the company websites against similar threats in the future, the security team must deploy a security solution specifically designed to detect and block such malicious web traffic. Which security product must be used to protect the websites from similar attacks?
Answer: B
Explanation:
The cyberattacks described target theapplication layer (Layer 7), specifically exploiting vulnerabilities through malformed HTTP headers. AWeb Application Firewall (WAF)is the specialized security solution required to mitigate these threats. Unlike standard firewalls that inspect traffic at the network and transport layers (IPs and Ports), a WAF performs deep inspection of HTTP/HTTPS traffic.
A WAF-such as those integrated into theCisco Secure Firewallor cloud-native WAF services-understands the structure of web requests. It can identify and block sophisticated attacks like SQL injection, Cross-Site Scripting (XSS), and the specific "invalid HTTP request headers" mentioned in the scenario. By applying a set of rules (often based on the OWASP Top 10), the WAF filters out malicious requests before they reach the web server.Antivirus software(Option A) andHost-based firewalls(Option D) protect the server's operating system from malware and unauthorized connections but cannot inspect the logic of a web request. A Traditional Firewall(Option B) would simply see the traffic as "allowed" on Port 443 and pass it through.
Implementing a WAF is a critical architectural requirement in the Cisco SDSI "Applications" domain to protect customer-facing web services from exploitation.
NEW QUESTION # 52
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