Cisco
350-701 · Question #857
Which feature does Cisco Umbrella use to protect all communications between a DNS client and a DNS resolver against DNS attacks?
The correct answer is B. DNSCrypt. Cisco Umbrella uses DNSCrypt to protect communications between a DNS client and a DNS resolver. DNSCrypt encrypts DNS queries, preventing interception and manipulation of DNS traffic, thereby protecting against DNS attacks like eavesdropping and spoofing.
Submitted by alyssa_d· Mar 30, 2026
Question
Which feature does Cisco Umbrella use to protect all communications between a DNS client and a DNS resolver against DNS attacks?
Options
- ADNS VPN
- BDNSCrypt
- CDNS spoofing
- DDNSSEC
How the community answered
(37 responses)- A8% (3)
- B86% (32)
- C3% (1)
- D3% (1)
Explanation
Cisco Umbrella uses DNSCrypt to protect communications between a DNS client and a DNS resolver. DNSCrypt encrypts DNS queries, preventing interception and manipulation of DNS traffic, thereby protecting against DNS attacks like eavesdropping and spoofing.
Topics
#Cisco Umbrella#DNS protection#DNSCrypt
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