CCNA Cisco Certified Network Associate (#244)

Section: Version 3.0

Which two statements about DNS lookup operations are true? (Choose two.)

When the primary IP address of the destination is down, the DNS server can forward the client to an alternate IP address.
The client sends a request for IP address to domain name resolution to the DNS server.
The DNS server pings the destination to verify that is available.
They use destination port 53.
The client sends a request for domain name to IP address resolution to the DNS server.