(Chapter 4) Wireless Networking

A __________ is an ad hoc network of up to eight Bluetooth devices. piconet

piconet

Does a wireless network require a cable connection? Yes No

No

The maximum data rate of 802.11b, 802.11a, 802.11g, and 802.11n are _____ Mbps, _____ Mbps, _____ Mbps, and above _____ Mbps respectively.

11 54 54 200

Bluetooth operates in the _____ GHz ISM band 2.4 GHz

2.4 GHz

Which of the following 802.11 technologies use the 2.5 Ghz spectrum? (Choose all that apply) A. 802.11g B. 802.11n C. 802.11a D. 802.11b

A. 802.11g B. 802.11n D. 802.11b

Wireless network associations are characterized by which of the following (Choose all that apply) A. A wireless connection has been obtained B. All of these are characteristics C. Provides the client MAC address D. Allows unauthorized access

A. A wireless connection has been obtained C. Provides the client MAC address

Site surveys obtain the following information. (Choose all that apply) A. Connection points to the main network B. Supported bandwidth C. Electrical power D. RF coverage

A. Connection points to the main network B. Supported bandwidth C. Electrical power D. RF coverage

Which of the following is an advantage for using wireless networking? (Choose all that apply) A. Flexible B. User mobility C. More expensive D. Secure

A. Flexible B. User mobility

RDID technology has many uses including __________. (Choose all that apply) A. Full speed tollbooths B. Border crossings C. Tracking shipments D. Wired devices

A. Full speed tollbooths B. Border crossings C. Tracking shipments

The range of WiMAX networks is __________. A. None of them B. 31 km C. 31 feet D. 31 meters

A. None of them

The access point looks at the __________ to determine if the data packet is intended for its network. A. SSID B. routing table C. wireless adapter D. authentication

A. SSID

Which of the following are included in guidelines for wireless security? (Choose 2) A. Turn on access point security features B. Use firewalls C. Use 3rd party encryption software on the access point end only D. Use any technology in the 2.4 GHz band

A. Turn on access point security features B. Use firewalls

802.11 technologies never use which of the following? A. Visible light B. infrared C. FHSS D. DSSS

A. Visible light

The __________ refers to the reflection of the radio waves striking the RFID tag and reflecting back to the transmitter source.

Backscatter

__________ refers to the reflection of the radio waves striking the RFID tag and reflecting back to the transmitter source.

Backsctter

802.11u standard increases security by requiring user authentication. TRUE FALSE

FALSE

Bluetooth operates in the 5 GHz band. FALSE TRUE

FALSE

CSMA/CD is used in wireless networks to reduce collisions. FALSE TRUE

FALSE

MIMO uses wave division multiplexing FALSE TRUE

FALSE

Site surveys are only performed inside buildings FALSE TRUE

FALSE

Turning off the SSID transmission makes it impossible to discover the SSID. TRUE FALSE

FALSE

With Cisco LEAP, the user must provide the correct SSID. TRUE FALSE

FALSE

The FHSS transmitting and receiving units must know the __________ to communicate

Hopping sequence, pseudorandom seque

A piconet is an ad hoc network made up of up to 8 bluetooth devices. TRUE FALSE

TRUE

Access points provides 802.11 MAC layer functions TRUE FALSE

TRUE

Extended Service Set allows a wider range of wireless signals using roaming. FALSE TRUE

TRUE

Many WLANs are placed on a network without turning on all available security features. FALSE TRUE

TRUE

One of the parameters that define an RDID system is frequency of operation. TRUE FALSE

TRUE

RADIUS is sometimes used to provide authentication TRUE FALSE

TRUE