DNS Architecture

Question 1

What are the three common deployments of DNS architecture?

Answer 1

1) Delegated
2) Screening
3) Replacing a DNS Server

Question 2

What are the five different deployments using the BigIP DNS?

Answer 2

1) Delegating a subdomain/dns records to the BigIP from an authoritative DNS server.
2) Replacing the authoritative DNS server wit h the BigIP DNS. This would require staging for a cutover.
3) Redirecting DNS queries using a CNAME pool.
4) Placing BigIP DNS in front of a dns server.
5)Placing BigIP DNS in front of a pool of dns servers.