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QUESTION 777 Jackson discovers that the wireless AP transmits 128 bytes of plaintext, and the station responds by encrypting the plaintext. It then transmits the resulting ciphertext using the same key and cipher that are used by WEP to encrypt subsequent network traffic. What authentication mechanism is being followed here? A. B. C. D. no authentication single key authentication shared key authentication open system authentication Correct Answer: C Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 778 Jacob would like your advice on using a wireless hacking tool that can save him time and get him better results with lesser packets. You would like to recommend a tool that uses KoreK's implementation. Which tool would you recommend from the list below? A. B. C. D. Kismet Shmoo Aircrack John the Ripper Correct Answer: C Section: (none) Explanation Explanation/Reference: Explanation: Implementing KoreK's attacks as well as improved FMS,aircrack provides the fastest and most effective statistical attacks available.John the Ripper is a password cracker,Kismet is an 802.11 layer2 wireless network detector,sniffer,and intrusion detection system,and QUESTION 779 In order to attack a wireless network, you put up an access point and override the signal of the real access point. As users send authentication data, you are able to capture it. What kind of attack is this? A. B. C. D. WEP attack Drive by hacking Rogue access point attack Unauthorized access point attack Correct Answer: C Section: (none) Explanation Explanation/Reference: Explanation: The definition of a Rogue access point is: 1. A wireless access point (AP) installed by an employee without the consent of the IT department. Without the proper security configuration,users have exposed their company's network to the outside world. 2. An access point (AP) set up by an attacker outside a facility with a wireless network. Also called an "evil twin," the rogue AP picks up beacons (signals that advertise its presence) from the company's legitimate AP and transmits identical beacons,which some client machines inside the building associate with.