Home » Cisco » 200-901 » Which two query types does a client make to a DNS server?
Which two query types does a client make to a DNS server? (Choose two.)
A. Inverse
B. PTR
C. AAAA
D. ACK
E. DISCOVER
Correct Answer: BC
Explanation/Reference:
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B/C
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipv6_basic/configuration/xe-3se/5700/ip6-aaaa-dns.html
AAAA – Maps a hostname to an IPv6 address. (Equivalent to an A record in IPv4.)
PTR – Maps an IPv6 address to a hostname. (Equivalent to a pointer record [PTR] in IPv4.)