DM_Chapter 12 Wireless networking

Question 1

T/F We can increase the transmitting power and we will be able to get greater distances in signal. p 380

Answer 1

True

Question 2

T/F If we use low frequencies we can transmit signals greater distances but at lower data rate. p 381

Answer 2

True

Question 3

This agency purpose is to create and maintain operational standards. p 381

Answer 3

IEEE committee

Question 4

This agency purpose is to regulate the use of wireless devices in the US. p 381

Answer 4

The FCC

Question 5

This agency purpose is chartered to produce common WiFi standards in the Europe. p 381

Answer 5

ETSi

Question 6

This agency promotes and tests for WLAN interoperability. p 381

Answer 6

WiFi Alliance

Question 7

WLANs have the same laws and regulations that govern what other types of devices. p 381

Answer 7

AM/FM radios

Question 8

The FCC released 3 bands for public use what are these? p 381

Answer 8

900 MHz 2.4 GHz and 5 GHz

Question 9

900 MHz and 2.4 GHz are referred to as ______,_____,,and ______. bands p 381

Answer 9

Industrial, scientific, and Medical (ISM) Bands

Question 10

5 GHz band is known as the what band? p 381

Answer 10

Unlicensed National Information Infrastructure bands

Question 11

What is the mos widely used wireless networks used today. pg 382

Answer 11

802.11 b/g/n

Question 12

IEEE 802.11a provides what frequency? p 383

Answer 12

54 Mbps, 5 GHz standard

Question 13

IEEE 802.11ac provides what frequency? p 383

Answer 13

1 Gbps , 5 GHz standard

Question 14

IEEE 802.11g standard provides what frequency? p 383

Answer 14

54 Mbps, 2.4 GHz standard (backward compatible with IEEE 802.11b).

Question 15

802.11b standard provides what frequency? p 384

Answer 15

11 Mbps , 2.4 GHz