Essay About General Wireless And Wlan Medium

General Wireless and Networking Practice Exam
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General Wireless and Networking Practice Exam
Review Questions:
What is BootP?
What does DHCP stand for and what does it do?
What settings does Symbol require for Hyper Terminal? What about Cisco?
What is a roll cable, and what does its pin-out look like?
What does a subnet mask do?
What does TFTP stand for?
What is the purpose of a Default Gateway?
What is a VLAN and what is it used for?
What are the layers of the OSI Model?
Describe the purpose of the first 3 layers of the OSI Model.
Which WLAN Medium has a longer range? IR or RF?
What RF bands do WLANS use?
300 – 800 MHz
800 – 1 GHz
2.4 and 5 GHz
5 and 8 GHz
What organizations help to standardize WLANs?
WLANA and the FCC
IEEE and WI-FI Alliance
FCC and ETSI
What is the current maximum data rate speed for WLANs? 54 Mbps
What is an ISP?
Do WLANs eliminate the need for ISPs?
What is the maximum distance for a WLAN connection?
5 miles
8 miles
15 miles
25 miles
802.11 defines a standard for which data rate?
1 Mbps
5 Mbps
11 Mbps
54 Mbps
What modulation technique is used for 802.11b WLANs?
FHSS (Frequency Hoping Spread Spectrum)
DSSS (Direct Sequencing Spread Spectrum)
OFDM (Orthogonal Frequency Division Multiplexing)
Of what are wireless signals comprised?
Electromagnetic waves
Light waves
Sound waves
Can wireless signals pass through the vacuum of space and walls?
WLAN design is similar to cellular telephone network design.
False
An APs main component is a ________.
Radio receiver
Radio transmitter
Radio transceiver
Where does an AP store its configuration and firmware?
Flash ROM
IEEE 802.11a offers which data rate?
1 Mbps
2 Mbps
11 Mbps
54 Mbps
DSSS uses a ______ in its modulation code.
Chipping code
Hopping code
Which organization is drafting the 802.11g standard for 54 Mbps?
WI-FI Alliance
Compliance with the IEEE 802.11b can create a functional WLAN?
False
Which two standards comprise IEEE 802.2 LLC (Logical Link Control) for media access?