Which statement is true regarding the Junos OS?（）

• A、Each process runs in its own protected memory space ensuring that one process cannot directly interface with another
• B、Process share memory space but separate ASICs so that one process cannot directly interfere with another
• C、A central processor called the IP2 chip dynamically assings memory as process needs fluctuate
• D、The memory management daemon (mmd) is responsible for allocating new memory for process as they request it