For its customers, a shopping center is deploying a wireless network that consists of 20 lightweight APs that are bound to a single WLC. Which type of roaming occurs when…
What is the purpose of a wireless client sending a reassociation request to an AP? to find the SSID of the AP to form a new association with the AP…
How is the beamwidth of a wireless antenna measured on a plot? The beamwidth is determined by finding the weakest point on the plot and following it in either direction…
What type of wireless antenna is best suited for providing coverage in large open spaces, such as hallways or large conference rooms? omnidirectional directional Yagi dish Explanation & Hint: Omnidirectional…
What information is needed by an AP for stateful switchover (SSO) using high availability with a standby WLC? the IP address of both the primary and standby WLC the group…
Which wireless network topology requires that all of the access points be located within a 100 meter radius of an access switch? centralized wireless network embedded wireless network unified wireless…
Which IEEE standard operates at wireless frequencies in both the 5 GHz and 2.4 GHz ranges? 802.11n 802.11g 802.11b 802.11a Explanation & Hint: The 802.11n standard is backwards compatible with…
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…