NCTI WIFI | Questions and Answers with complete solution

Notes Single input, single output (SISO) - Most systems have one radio and one antenna, and some systems have one radio and two antennas. Multiple input, multiple output (MIMO) - These systems use multiple radio chains in a single wireless chipset. Multi-user MIMO (MU-MIMO) - These systems use each radio chain on an access point to transmit to a unique client.Correct answer: Wired Equivalent Protection (WEP) - This type of security setup should never be used for a wireless network as it can be quickly be broken. WPA/WPa2 -Personal - This type of security uses an 8-63 character passphrase that all network users share. WPA/WPA2-Enterprise - In this type of security setup, everyone has a unique username and password, which allows IT departments to track individual users and reset unique user passwords without having to change the passphrase for the entire network. Wi-Fi Protected Setup (WPS) - This type of security setup allows new devices to be added to a network with a button press or an 8-digit PIN number. test one Question #1: Multiple Choice - choose 1 answer Which modulation scheme works by varying the height, or loudness, of a wave to convey information? B) Amplitude modulation (AM). Question #2: Multiple Choice - choose 1 answer Which modulation scheme works by adjusting the length of a wave to convey information? B) Frequency modulation (FM)