Troy is sending an email from his smartphone using his school's free Wi$-$Fi network. From the following list, select all the basic connections that must be made to send the email.

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The phone's NIC must wirelessly connect it to the school's WI$-$FI network.

The school's network router must connect to the school's ISP.

The school's ISP must connect to the Internet.

The school's WI$-$FI must be connected to the school's intranet.