Exam 8: Wireless Networking

In wireless communication,to exchange information,two antennas must be tuned to the same ____.

____ is the least popular WLAN standard.

____ is an 802.11n network feature allowing the combination of multiple frames into one larger frame.

Describe how interference can distort and weaken a wireless signal.

In ____ wireless systems,the result is a point-to-point link.

MATCHING Match each item with a statement below: a.mobile wireless f.802.11b b.fixed wireless g.802.11a c.access point h.802.11g d.uplink i.802.11n e.downlink -The creation of a communications channel for a transmission from an Earth-based transmitter to an orbiting satellite.

A(n)____________________ assesses client requirements,facility characteristics,and coverage areas to determine an access point arrangement that will ensure reliable wireless connectivity within a given area.

MATCHING Match each item with a statement below: a.mobile wireless f.802.11b b.fixed wireless g.802.11a c.access point h.802.11g d.uplink i.802.11n e.downlink -Boasts a maximum throughput of 600 Mbps.

Describe the FHSS and DSSS spread spectrum technologies.

If a station detects the presence of several access points,it will always choose the closest access point.

Satellite Internet access providers typically use frequencies in the C- or ____ bands.

Spread spectrum is a popular way of making wireless transmissions more secure.

Dial return satellite Internet access is a(n)____ technology.

Describe the original design intentions for Bluetooth.Follow this with an explanation of why Bluetooth proved to be impractical for business LANs and what the technology supports today.

MATCHING Match each item with a statement below: a.mobile wireless f.802.11b b.fixed wireless g.802.11a c.access point h.802.11g d.uplink i.802.11n e.downlink -Uses the 2.4-GHz frequency band and provides a maximum theoretical throughput of 54 Mbps.

MATCHING Match each item with a statement below: a.mobile wireless f.802.11b b.fixed wireless g.802.11a c.access point h.802.11g d.uplink i.802.11n e.downlink -Uses channels in the 5-GHz band and provides a maximum theoretical throughput of 54 Mbps.

____ is a command-line function for viewing and setting wireless interface parameters and it is common to nearly all versions of Linux and UNIX.

Define and explain the MIMO innovation in the 802.11n standard.Include a description of the advantages it provides.

An 802.11g antenna has a geographic range of ____ meters.

The average geographic range for an 802.11a antenna is ____ meters.