Securing the DNS layer means blocking malicious domains, IP addresses, and cloud applications before establishing a connection. Which Cisco solution helps secure DNS?

Question

Options

• AUmbrella
• BThousandEyes
• CDuo
• DEmail Threat Defense

• A
  91% (49)
• B
  2% (1)
• C
  4% (2)
• D
  4% (2)

Explanation

Cisco Umbrella is the correct answer because it operates as a cloud-based DNS security platform that intercepts DNS queries and blocks requests to known malicious domains, IPs, and unauthorized cloud apps before a connection is ever established - exactly what the question describes.

ThousandEyes (B) is a network intelligence and monitoring tool focused on visibility and performance analytics, not DNS-layer threat blocking. Duo (C) is Cisco's multi-factor authentication and zero-trust access solution - it verifies who is connecting, not where connections go at the DNS level. Email Threat Defense (D) specifically targets email-borne threats like phishing and malware in mail pipelines, not DNS traffic.

Memory tip: Think of an umbrella shielding you from threats before they reach you - Umbrella intercepts at the DNS layer, stopping malicious connections before they even start. "DNS = Don't eNter, Stop at Umbrella."

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