How does the 802.11ax amendment (Wi-Fi 6) differ from any other 802.11 wireless standard created before it? Wi-Fi 6 can allow multiple devices simultaneous access to the wireless medium. Wi-Fi…
Which term describes the decrease in signal strength of an RF even though there are no obstacles in the path between a transmitter and a receiver? link budget transmit beamforming…
What technological factor limits the number of unique spatial streams that can be supported by a MIMO device? the number of transmitters the number of receivers the processing capacity the…
What is a simple solution to overcome the negative effects of free space path loss? decrease the transmitter output power increase the transmitter output power decrease the antenna gain increase…
Refer to the exhibit. It displays the sources of A, B, and C and the corresponding absolute power of each. In comparing source A and B , how much greater is the…
While reviewing wireless survey reports, an intern asks a wireless engineer about the term noise floor. What is the definition of noise floor? Noise floor is the decreasing of the…
You want to measure how long a certain piece of code executes. In order to do so, it is enough to precede the code fragment with: the command console.time("counter") and end with console.timeEnd("counter").…
Where in the debugger can you find the information about the currently called functions in your program? In the call stack window. In the console. In the watch window. There is no access to such…
Using the debugger, we insert a breakpoint in the code at which, after running the program, we stop. In the debugger, we find a Step button among the step-by-step operation…
What is the name of the place where program code execution is halted? pausepoint exitpoint stoppoint breakpoint Explanation & Hint: A breakpoint is a designated point in the code where…
Analyze the following code: try { ocnsole.log("start"); } catch (error) { console.log("error"); } console.log("end"); What will happen as a result of its execution? The operation of the program will be…
Analyze the following code: let x 10; console.log(x); What exception will be thrown as a result of its execution attempt? TypeError RangeError ReferenceError SyntaxError Explanation & Hint: The code contains…
Analyze the code below: "let x = 10"; console.log(x); What exception will be thrown as a result of its execution attempt? RangeError TypeError SyntaxError ReferenceError Explanation & Hint: The code…
Logical errors that we make while writing a program are not indicated by the interpreter. Why? The interpreter does not indicate errors while the program is running, because it detects…
Which of the following is a syntax error? Attempting to modify the value of a constant. Missing parenthesis ending a condition in an if statement. Attempting to call a non-existent function. Attempting to read…
If a function is to return some calculated value on completion, which keyword will you use to do this? return; ret; yield; function; Explanation & Hint: To return a calculated…
Analyze the following code: let show = function () { console.log("test");} setTimeout(show, 2000); What happens when you execute it? The console to display test after a 2000-second delay. The console to display show after a…
A callback function is a function that: is passed to another function as an argument and only called in its code. contains a reference to itself in its code. is always executed…
We can use the forEach method to pass through the elements of an array. Which of the following code snippets will display all consecutive elements of the animals array in…
The following arrow function has been defined: let multiply = (m, n) => m * n; How would you rewrite the function without changing what it does? Select the correct…