Wireless Networking Flashcards
An omnidirectional antennae broadcasts in only one direction.
True
False
False
What frequencies does 802.11n use?
2.4 and 5 GHz
11 and 54 MHz
5 and 24 GHz
2.4 and 11 MHz
2.4 and 5 GHz
What wireless network mode can quickly be used to share files and printers without a WAP?
Ad hoc
Infrastructure
Multiple access
WAN
Ad hoc
Which feature allows you to plug a single Ethernet cable into the WAP to provide both power and a network connection?
PoE
SID
ESSI
PoW
PoE
What process needs to be undertaken to enable Bluetooth devices to create a secure connection?
Pairing
Duplicating
Searching
Finding
Pairing
What method enables you to limit access to your wireless network based on the physical, hard-wired address of the units’ wireless NIC?
OFDM
MAC address filtering
SSID broadcasting
NTFS Permissions
MAC address filtering
What is the first step in choosing an optimal location for an access point?
Software upgrades
Market research
Site survey
Interference control
Site survey
What centrally connects wireless network nodes in the same way that a hub connects wired Ethernet PCs?
EAP
WAP
WEP
WPA
WAP
What is the theoretical maximum range of the 802.11a wireless networking standard?
150 feet
200 feet
250 feet
300 feet
150 feet
Where is the best location for an omni-directional antenna in your home or office?
On the roof
Adjacent to the outside wall
Near the center
In a basement
Near the center
What should you open up to troubleshoot a suspected hardware problem?
BIOS
Windows Device Manager
Windows update
Task Manager
Windows Device Manager
What WAP settings should be adjusted in an environment with overlapping Wi-Fi signals?
Channel and frequency
SSID and MAC filtering
Default user name and password
Encryption protocols
Channel and frequency
At what frequency range do the 802.11b- and 802.11g-based wireless technologies operate?
- 4 GHz
- 4 GHz
- 4 GHz
- 4 GHz
2.4 GHz
What method do wireless networks use to determine if other nodes are currently broadcasting?
CSMA/CD
CSMA/CA
Dipole antennae
MIMO
CSMA/CA
What is the speed at which the 802.11g wireless technology transfers data?
11 Mbps
20 Mbps
54 Mbps
64 Mbps
54 Mbps
Which standard has a security flaw that allows a hacker to guess an eight-digit code?
WPA
WEP
WPS
WPA2
WPS
What wireless technology is often used to connect headsets to smartphones?
WPA-Enterprise
WPA-PSK
AES
Bluetooth
Bluetooth
How many bits does WEP encryption use to scramble data packets?
20
30
40
50
40
What is another name for the Service Set Identifier(SSID) parameter?
Network address
Network name
Network path
Network protocol
Network name
Most WAPs support filtering, in which data packets that do not contain the appropriate address are rejected. What kind of address is filtered?
MAC
SSID
WEP
WPA
MAC
At what frequency range does the 802.11ac-based wireless technology operate?
7 GHz
5 GHz
3 GHz
1 GHz
5 GHz
