The Indonesian archipelago has dozens of active volcanoes and straddles major tectonic fault lines known as the "Ring of Fire" between the Pacific and Indian oceans.
印度尼西亚群岛有很多活火山，横跨于地质构造断层带，也是太平洋和印度洋之间的火山带。
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Kernel space is flagged in the page tables as exclusive to privileged code (ring 2 or lower), hence a page fault is triggered if user-mode programs try to touch it.
In addition to the connection of redundant power supplies, special power supplies support fault-tolerant ring topologies, meaning that a disruption can be restricted to a maximum of one switch.