A network administrator is configuring a DHCP server for a small office. The office network requires that all client devices use a specific DNS server for name resolution and a particular domain name for network identification. Additionally, the administrator wants to ensure that client devices can communicate with external networks through a designated gateway.

Which of the following DHCP options must the administrator configure to meet these requirements? $($Select three.$)$

DNS suffix

T$2$ timer

Lease time

NTP servers

Default gateway

T$1$ timer

DNS servers