What Are Two Roles of Domain Name Services (DNS)? (Choose

Multiple Choice

What are two roles of Domain Name Services (DNS) ? (Choose two.)

A) builds a flat structure of DNS names for more efficient IP operations
B) encrypts network Traffic as it travels across a WAN by default
C) improves security by protecting IP addresses under Fully Qualified Domain Names (FQDNs)
D) enables applications to identify resources by name instead of IP address
E) allows a single host name to be shared across more than one IP address