Network+: Self-Check 3-4

Tuesday, January 24, 2023

When your computer requests a DNS lookup, which DNS server holds the most reliable information for that DNS record?

a. Forwarding DNS server

b. Caching DNS server

c. Root DNS server

d. Primary DNS server

Which DNS record type is listed first in a zone file?

a. SOA

b. AAAA

c. CNAME

d. A

Which DNS record type is used to find an FQDN from a given IP address?

a. PTR

b. CNAME

c. A

d. MX

Which part of a MAC address is unique to each manufacturer? a. The device identifier b. The OUI c. The physical address d. The network ident...