Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to stay safe while cloud computing [title] Ensure accessibility. [step] Cloud computing is still in its infancy. There are instances of clouds crashing, leaving their clients without access to their files, or worse still, completely unprotected for hours because of errors.

Ending1: Go ahead and check if there are cloud computers on the premises or the cloud network you live in. If you feel like cloud computing is crucial to a cloud's success, be sure that you : [substeps] Know that using cloud computing software is expensive. Ending2: The milky light scanner may be used to peer into a cloud-prone space, and provide identifying information. In most cases, cloud structures are very easy to navigate and can conduct advanced tests. Ending3: So in the early stages you must minimize physical impacts on cloud computing as much as possible. [substeps] Don't tempt or join in the fun of cloud computing. Ending4: Therefore, it is advisable not to trust cloud services completely. Keep on saving your most vital and confidential documents, records, projects and works-in-progress in your personal laptop or desktop.

Answer format: ending1/ending2/ending3/ending4