Exam 24: Wireless Network Security

The wireless access point provides a connection to the network or service.

The MPDU exchange for distributing pairwise keys is known as the _______.

A ____________ attack involves persuading a user and an access point to believe that they are talking to each other when in fact the communication is going through an intermediate attacking device.

A(n)__________ is any entity that has station functionality and provides access to the distribution system via the wireless medium for associated stations.

The smallest building block of a wireless LAN is a ______.

The primary purpose of the MAC layer is to transfer MSDUs between MAC entities.

The specification of a protocol,along with the chosen key length,is known as a ___.

A __________ attack occurs when an attacker continually bombards a wireless access point or some other accessible wireless port with various protocol messages designed to consume system resources.

The lowest layer of the IEEE 802 reference model is the __________ layer.

At the top level of the group key hierarchy is the ___________.

The MAC service data unit contains any protocol control information needed for the functioning of the MAC protocol.

CRC is an error detecting code.

The field following the MSDU field is referred to as the ___________.

There are two types of keys: ________ used for communication between a STA and an AP and group keys used for multicast communication.

The wireless environment lends itself to a ______ attack because it is so easy for the attacker to direct multiple wireless messages at the target.

The security requirements are: confidentiality,integrity,availability,authenticity,and __________.

Like TKIP,CCMP provides two services: message integrity and ________.

The function of the ________ layer is to control access to the transmission medium and to provide an orderly and efficient use of that capacity.

WPA2 incorporates all of the features of the IEEE 802.11i WLAN security specifications.

The wireless environment consists of three components that provide point of attack: the wireless client,the transmission medium,and the _________.