フリー問題

問題文

A preparation guide gives a table of the bandwidth that each type of call needs. Which codec does the table name for a call that leaves for another enterprise through a local gateway, and what does it say about a call between two devices inside one site?

選択肢

1. Calls of that kind name G.711, and a call inside one site still takes twice the rate of one leg on the internet access of the site.
2. The codec named for calls of that kind is G.711, while a call inside one site stays on the local network and takes nothing on the internet access of the site.
3. Named for that call is G.722, while a call inside one site stays on the local network and takes nothing on the internet access of the site.
4. For that call G.722 is named, and a call inside one site still takes twice the rate of one leg on the internet access of the site.