You want to limit the number of Type 7 LSAs to be converted into Type 5 LSAs at an appropriateABR. Which two commands should you use from the [edit] hierarchy level within JUNOS configuration mode?（）

• A、set protocols ospf area-range network/mask-length
• B、set protocols ospf area area-id nssa area-range network/mask-length
• C、set protocols ospf area area-id area-range network/mask-length restrict
• D、set protocols ospf area area-id nssa area-range network/mask-length restrict