Answer:
B. i < list.length
Explanation:
This question is terribly worded, but I assume the meaning is which answer will not result in an error if it's used in the while condition of the for loop. The correct answer is b. i < list.length is telling the loop to continue as long as the variable i is less than the length of the array list.
Answers C and D could potentially be valid under certain circumstances, but very unusual. Answer A will give an error as list[list.length] will give an undefined value (assuming this is indeed javascript and not some other languge).
Answer: Tethering
Explanation:
The wireless tethering is one of the process in which the one person sharing their phone's data, information or file to the another mobile devices over the internet by using the various types of wireless devices such as Bluetooth, Wifi and the universal serial bus cable (USB).
According to the given question, the google project consumers setting up their phones with the WIFI routers and they allow their devices such as tablets, laptops for the purpose of surfing data by using the internet connection.
Therefore, this process is known as the wireless tethering.
Print the value of the variable[s] that the loop is relying on.