What aspect ratio is used in modern widescreen devices?

Lisa, a network technician, needs to introduce a few more cables to the existing patch panel. Which of the following tools would she use?

A. OTDR B. Multimeter C. Punch down tool D. Temperature monitor

What is i after the following for loop?

``` int y = 0; for (int i = 0; i < 10; ++i) { y += i; } ``` a. 9 b. 10 c. 11 d. undefined