The answer is B.
Late at night, some traffic signals change patterns and become flashing yellow or red lights.
Answer:
The best choice is 802.11a.
Explanation:
The most common option, that is widely used in home internet is 802.11b, however, this only supports a max speed of 11Mbps.
802.11a supports up to 54Mbps and it has regulated frequencies that prevent interference from other devices, such as the wireless system that your client already has. This option is more expensive, and its signal has issues going through walls and rooms but still, it is the one that fits him the most.
Answer:
20 will be displayed on the console.
Explanation:
Given code is:
var numList = [10,20,30];
console.log(numList[numlist.length-2]);
The first line of code declares an array named numList and assigns it values given in the square brackets.
The second line of code is written to display the element on the index obtained by [numlist.length-2]
[numlist.length-2] means the second index.
Hence,
after running the code on JavaScript editor and dry running the code
20 will be displayed on the console.
D. They provide a platform for collaboration