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Q71. Which statement describes a security weakness of a WPA2 with a PSK?
A. The compromised key can be used for another connection.
B. The key can be eavesdropped from the wireless medium.
C. The key can be recreated from a few eavesdropped frames.
D. The key is not case-sensitive and is vulnerable to compromise by brute-force methods.
Q72. Which statement about ZigBee technology is true?
A. It has low power consumption.
B. It is designed only for point-to-point communications.
C. It ranges up to 250 meters.
D. It supports data rates up to 1 and 2 Mb/s.
Q73. What protocol is used to determine the best pathway back to a root access point?
Q74. Which option describes why most wireless phones and tablets do not use 802.11a/n and 40 MHz channels?
A. a lack of radio range when using these radios
B. a lack of device battery capacity to operate concurrent a/b/g/n radios
C. a lack of cooling in the device necessary to operate these radios
D. These radios would require the devices to be larger.
Q75. Which information on the Monitoring page of a Cisco WLC verifies that the wireless network is operational?
A. In the Access Point Summary section, the All APs number in the Up column is the same as in the Total column.
B. In the Client Summary section, the Current Clients number is positive.
C. In the Controller Summary section, the 802.11b/g Network State is shown as Enabled.
D. In the Controller Summary section, the CPU Usage number is positive.
Q76. What is an interferer that an engineer may see in Cisco CleanAir?
A. microwave ovens
B. rogue APs
C. malicious clients
D. co-channel interference
Q77. An AP using version 7.0 MR1 broadcasts a Layer 3 CAPWAP discovery message on the local IP subnet. Which step does the AP take next?
A. Determine if the controller responses include the primary controller.
B. Determine if the controller responses include the master controller.
C. Send a discovery request using DHCP option 43.
D. Send a discovery request using DNS.
E. Send a discovery request using locally stored information on the AP.
F. Send a discovery request using OTAP.
Q78. Which two formats are available for Cisco WCS reports? (Choose two.)
Q79. RAG DROP
Q80. Which wireless client attempts to authenticate by using 802.1X?