QUESTION 17 What technique may be used to detect a zero-day wireless network atack? O Signature analysis O Anomoly detection O RF fingerprinting TDOA QUESTION 18 You must allow business client laptops to connect to unsecured public hotspots What can you configure at the corporate network edge to allow the clients to maintain security while connected to these public hotspots? OVPN server O Firewal DNS server IPv6 server QUESTION 19 An attacker is wardriving in order to locate WLANs that are open and provide Internet access. She detects 11 WLANs at a specific location and needs to determine which WLANs will provide open access and Internet connectivity. She performs the following 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 Internet access and why? O Yes, because she was able to identify and connect to the unsecured WLAN O No, because she does not have the appropriate WEP key O Yes, because an unsecured WLAN always provide internet access O No, because she has connected to the WLAN, but she has not determined if Internet access is available