Exam 6: Connecting Through a Wireless Network

A(n)____________________ satellite maintains an orbital position that is stationary with respect to the earth.

Match each term with the correct statement below. -means that transmissions hop among 79 frequencies for each packet that is sent.

An area with public wireless access is called a ____,which is simply a location that provides a public access point to users.

Which of the following orbit at a distance of between 435 and 1000 miles above the Earth's surface and are used for both broadband computer and satellite phone communications?

Match each term with the correct statement below. -defined by 802.1x to allow only authenticated communications.

Which of the following are steps you can take to increase 802.11 performance? (Choose all that apply.)

The 802.11i standard uses ____ for creating random encryption keys from one master key.

What type of notice is sent when a station wants to disconnect from another station?

Describe the two operational modes of the current version of high-performance radio local area network (HiperLAN2).

WPA2 is backward compatible with WPA but cannot be used along with WEP.

How does the Inter-Access Point Protocol (IAPP)enable roaming communications?

In which of the following system authentication methods can any two stations authenticate with each other?

Match each term with the correct statement below. -communication method used by the IEEE 802.11R standard.

Match each term with the correct statement below. -characteristic in 802.11 standard that helps wireless devices take interference into account.

The transmission speeds in the 802.11 group of wireless standards correspond to the Physical layer of the OSI model.

Line-of-sight radio transmissions have an advantage of being able to go through tall land masses.

At which layer of the OSI model do both priority-based access and Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA)function?

Which of the following is a wireless topology that employs two or more access points to form a multiple-cell wireless LAN?

Infrared can be broadcast in a single direction or in all directions,using a(n)____ to transmit and a photodiode to receive.

In ____________________ access,the access point device also functions as a point coordinator.