QUESTION 6 A wireless network using the open system authentication is much weaker in secunity than a wireless network using the shared WEP key authentication, true or false? True False QUESTION 7 modulation changes the number of waves representing cne cycle Amplitude Phase shift Phase QUESTION 8 What is the first step in shared key authentication? AP encrypts chalenge text and sends it to wireless device wireless device encrypts challenge text and sends it to AP AP sends wireless device an authentication rame that contains a block of text known as the challenge tex o wireless device sends an authentication frame to the AP QUESTION 9 A-_ attack on WEP involves viewing collisions to denve plaintext values. capture weak key pseudo-random number QUESTION 10 An attacker is wardriving in order to locate WLANs that are open and provide Internet access. She detects 11 WLANs at a specfic location and needs to determine which WLANs will provide open accass and Intemet connectivity. She performs the fol lowing steps: Look at the list of WLANs to see if any are listed are unsecured Connect to the WLAN that is listed as unsecured with the greatest signal strength. Did she meet her objective of locating an open WLAN that provides Intenet access and why? Yes, because she was able to identify and connect to the unsecured WLAN No, because she does not have the appropriate WEP key Yes, because an unsecured WLAN always provide internet access No, because she has connted tothe WLAN, but she has not determined if Internet access is avalable