DNS servers cache name and address pairs for addresses they resolved, and they keep information about name requests that result in error messages. What is this information called?
A)DNS round robin
B)name resolution
C)negative caching
D)IP spoofing

Question

Quizplus · Accepted Answer

Negative caching refers to the process where DNS servers store the information about failed name resolution attempts. This helps in reducing the load on DNS servers by not repeatedly attempting to resolve a domain name that doesn't exist or is unreachable.

DNS Servers Cache Name and Address Pairs for Addresses They