An organization is using DNS services for their network and want to help improve the security of the DNS infrastructure. Which action accomplishes this task?
A.
Use DNSSEC between the endpoints and Cisco Umbrella DNS servers.
B.
Modify the Cisco Umbrella configuration to pass queries only to non-DNSSEC capable zones.
C.
Integrate Cisco Umbrella with Cisco CloudLock to ensure that DNSSEC is functional.
D.
Configure Cisco Umbrella and use DNSSEC for domain authentication to authoritative servers.
D:o help improve the security of the DNS infrastructure, the organization can accomplish this task by configuring Cisco Umbrella and using DNSSEC for domain authentication to authoritative servers. Therefore, the correct answer is D.
DNSSEC (Domain Name System Security Extensions) is a security feature that adds digital signatures to DNS data to ensure that the data is not modified or tampered with during transmission. By configuring Cisco Umbrella to use DNSSEC for domain authentication to authoritative servers, the organization can help improve the security of their DNS infrastructure.
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