Answer: Wired, Wi-fi, Wi-fi, A wired network, Wi-fi
Explanation:
None of it passes through. Most of the light is either reflected by the object or absorbed and converted to heat. Materials such as wood, stone, and metals are opaque to visible light.
Good luck
Protecting the Power supply
Adding disk Arrays
Install an NLB Cluster
Answer: I think it’s D
Explanation: the rest apply to the the rules of 1NF and 2NF