Questions

There are two IP address assigned to each device on a Wi-Fi network.

An Internal (Private) and an External (Public) IP address.

Internal IP address is used for communication between Your computer and a smartphone or whatever devices that are connected to that Wifi network. This is unique for each. If they are same the system cannot differentiate between each device.

While, the External IP address is that visible to the the internet - the websites, the internet connected Apps so on. By default, Routers with NAT (all routers today have it) assign same Public IP address to all devices under its network.

Answer:  T

Explanation:   In each row, add together the numerical values of the pairs of letters to the left and right, then calculate their difference, putting the letter with this numerical value in the centre space.

The task of any business is to deliver Customer value at a profit.

Thermoset, or thermosetting, plastics are synthetic materials that strengthen during being heated, but cannot be successfully remouldedor reheated after their initial heat-forming. This contrasts withthermoplastics, which soften when heated and harden and strengthen after cooling. Thermoplastics can be heated, shaped and cooled as often as necessary without causing a chemical change, while thermosetting plastics will burn when heated after the initial moulding.

The study of volcanoes, lava, magma, and related geological, geophysical and geochemical phenomenas is called Volcanology.

Reflection is what which looks back but can't see.