Exam 7: Networks: Mobile Business

The U.S.Department of Defense developed this technology in the early 1970s,a global ____________ system where satellite-based navigation systems provide extremely accurate position,time,and speed information.

Radio-frequency identification (RFID)uses electronic tags and labels to identify objects wirelessly over short distances.

A proxy is software that prevents direct communication between a sending and receiving computer and is used to monitor packets for security reasons.

Dynamic host configuration protocol is a utility application that monitors the network path of packet data sent to a remote computer.

_____________ service providers (NSPs),private companies that own and maintain the worldwide backbone that supports the Internet.These include Sprint,Verizon,MCI (previously UUNet/WorldCom),AT&T,NTT,Level3,Century Link,and Cable & Wireless Worldwide.

RFID reader (RFID interrogator)is a transmitter/receiver that reads the contents of RFID tags in the area.A RFID system is comprised of one or more RFID tags,one or more RFID readers,two or more antennas.

What is VoIP?

Which of the below is experiencing rapid growth due to wireless technology?

A wide area network (WAN)spans a large geographic area such as a state,province,or country.Perhaps the best example is the Internet.

Explain the five different networking elements creating a connected world.

What is a space station that orbits the Earth receiving and transmitting signals from Earth-based stations over a wide area?

___________ packet formats include a packet header,packet body containing the original message,and packet footer.

Passive RFID tags do not have a power source.

Which of the following is a measure being considered to address privacy concerns with RFIDs and LBSs?

The speed of transmission of a network is determined by the speed of its smallest ______________.

IP address is a simple network protocol that allows the transfer of files between two computers on the Internet.

What is a WLAN that uses Wi-Fi and has a built-in security mechanism that uses a wireless security protocol to protect Wi-Fi networks?

A ___________ area network connects a group of computers in close proximity,such as in an office building,school,or home.

A __________ is software that prevents direct communication between a sending and receiving computer and is used to monitor packets for security reasons.

A local area network (LAN)spans a large geographic area such as a state,province,or country.