Cisco
300-415 · Question #379
300-415 Question #379: Real Exam Question with Answer & Explanation
The correct answer is A: DNS filtering. DNS filtering within Cisco Umbrella SIG allows administrators to block access to specific websites or categories of websites by intercepting and resolving DNS requests, preventing users from even initiating connections to unwanted destinations.
Security and Quality of Service
Question
Which Cisco Umbrella SIG feature prevents users from browsing specific websites in a Cisco SD-WAN branch?
Options
- ADNS filtering
- BTalos correlated intelligence
- Ccloud-delivered firewall
- Dweb gateway
Explanation
DNS filtering within Cisco Umbrella SIG allows administrators to block access to specific websites or categories of websites by intercepting and resolving DNS requests, preventing users from even initiating connections to unwanted destinations.
Common mistakes.
- B. Talos correlated intelligence is Cisco's threat intelligence feed that informs various security products, but it is not a direct filtering mechanism for specific websites.
- C. A cloud-delivered firewall provides broader network security, including port/protocol filtering and intrusion prevention, but DNS filtering is a more targeted and efficient method for blocking specific websites based on their domain names.
- D. A web gateway provides advanced web security features like URL filtering, content inspection, and malware scanning, but DNS filtering is a distinct and often more fundamental mechanism for blocking access at the DNS resolution stage.
Concept tested. Cisco Umbrella DNS filtering capabilities
Reference. https://docs.umbrella.com/umbrella-user-guide/docs/about-dns-policy
Topics
#Cisco Umbrella#SIG#DNS Filtering#Website Blocking
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