Wireless Flashcards

1
Q

Wireless

Bridges 802.11 and Ethernet networks

A

Wireless Access Point (WAP)

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2
Q

Wireless

Infrastructure and ad hoc are the

A

Two modes of 802.11

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3
Q

Wireless

5GHz - band
54Mbps

ALPHA

A

802.11a

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4
Q

Wireless

2.4GHz - band
11 Mbps

BRAVO

A

802.11b

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5
Q

Wireless

2.4GHz - band
54Mbps

GOLF

A

802.11g

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6
Q

Wireless

2.4GHz / 5GHz - band
100 Mbps

November

A

802.11n

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7
Q

Wireless

2.4 GHz and 5 GHz ISM bands are used by

A

802.11

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8
Q

Wireless

802.11 uses

A

pre-made channels

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9
Q

Wireless

Shows available channels in an ISM band

A

Site Survey

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10
Q

Wireless

This must be created

A

Service Set Identifier (SSID)

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11
Q

Wireless

Multiple SSIDs are supported by mos

A

WAPs

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12
Q

Wireless

SSID broadcasts can be

A

Hidden

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13
Q

Wireless

Extensions are definable to support

A

Channels
–and–
Channel Width

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14
Q

Wireless

Issues with Connecting to an SSID

A

1 NIC is configured as DHCP client

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15
Q

Wireless

Issues with Connecting to an SSID

A

Passwords can change

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16
Q

Wireless

Issues with Connecting to an SSID

A

Set wireless NIC to a static IP address

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17
Q

Wireless

Wireless clients scan the 802.11 spectrum

A

to find available SSIDs

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18
Q

Wireless

You must know the SSID and password to

19
Q

Wireless

Create profiles that store the SSIDs and their passwords

20
Q

Wireless

Great wireless solution for SOHO environments

A

Mesh Networks

21
Q

Wireless

Mesh networks have a base station and beacon devices that connect to the

A

Base Station

22
Q

Wireless

Mesh networks use their own

A

Encryption

23
Q

Wireless

Mesh networks are universally

A

Easy to configure

24
Q

Wireless

Bluetooth Class 1

DiSS/DiSS

A

100 mW / 100m

25
Wireless Bluetooth Class 2 aNaL/ToeS
2.5 mW / 10m
26
Wireless Bluetooth Class 3 T / T
1 mW/ 1m
27
Wireless Uses tiny radios activated by the energy of scanning devices Triffid
RFID
28
Wireless Requires extremely close proximity to function NoFaCe
NFC
29
Wireless Like 802.11 but pairs with devices to function as point-to-point
Bluetooth
30
Wireless use a wifi-analyzer
when having wi-fi problems
31
Wireless No connectivity
SSID - does not exist | or pw has changed
32
Wireless Low freq signal
If too low you wont have connectivity Get closer to SSID Look at antennas - The position may be cause of signal problems
33
Wireless Limited connectivity
Slow transfer speed - figure out where
34
Wireless Low RF speed
You can be connected but. - get closer ....
35
Wireless Intermittent connectivity
Good or bad Low RF signals - too many people Put in QOS
36
Wireless Helpful to diagnose wireless problems
Wi-Fi analyzers
37
Wireless - Quiz A switch is a
Hard wired device
38
Wireless - Quiz Runs on 5GHz Alpha
802.11a
39
Wireless - Quiz Which should you try first if your device can't connect to a remembered public wireless network?
Delete the profile and try to make a new connection.
40
Wireless - Quiz Mesh networks have
single base station
41
Wireless - Quiz Don't provide the customized configuration required for enterprise-size networks.
DO NOT
42
Wireless - Quiz Rarely used wireless technology
Infrared
43
Wireless - Quiz Which is most-likely to prevent a device from connecting to a previously-used WiFi network
The SSID has changed