A+ 901 - 902: Vocab Unit 22
The maximum distance between infrared devices is ______________.
1 meter
The 802.11g standard is backward-compatible with ______________.
802.11b
Like 802.11g, ______________ WAPs can run in the 2.4-GHz ISM band, supporting earlier, slower 802.11b/g devices.
802.11n
WPA2 uses the ______________ to provide a secure wireless environment.
Advance Encryption Standard (AES)
______________ is designed to create small wireless networks preconfigured to do very specific jobs.
Bluetooth
A service area that is extended by adding WAPs is called a(n) _____________.
Extended Basic Service Set (EBSS)
Two or more wireless nodes communicating in ad hoc mode form what's called a(n) ______________.
Independent Basic Service Set (IBSS)
Communication through infrared devices is implemented via the ______________ protocol.
IrDA (Infrared Data Association)
______________ is a handy way of creating a type of "accepted users" list to limit access to your wireless network.
MAC address filtering
The IEEE organization has made first-generation Bluetooth the basis for its 802.15 standard for wireless ______________.
Personal Area Networks (PANs)
With ______________, you only need to plug a single Ethernet cable into the WAP to provide both power and a network connection.
Power over Ethernet (PoE)
Changing the default ______________ for a WAP is the first step in setting up a new wireless network.
SSID
WPA uses the ______________, which provides a new encryption key for every sent packet.
Temporal Key Integrity Protocol (TKIP)
The developers of Wi-Fi created ______________ a standard included on most WAPs and clients to make it easier for end users to configure secure connections.
Wi-Fi Protected Setup (WPS)
Infrared is designed to make a point-to-point connection between two devices only in ______________ mode.
ad hoc
To protect wireless systems, tell the WAP not to _______________ the SSD.
broadcast
Wireless devices operate using the ______________ networking scheme.
carrier sense multiple access/collision avoidance (CSMA/CA)
WPS has a security flaw that allows a hacker to repeatedly guess the ______________ -digit numeric code.
eight
A(n) ______________ enables Ethernet network communication using IrDA.
infrared access point
Wireless networks running in ______________ mode use one or more wireless access points to connect the wireless network nodes to a wired network segment.
infrastucture
IrDA links are direct ______________ and are susceptible to interference.
line-of-sight
Communication will fail if the encryption level, key, and ______________ do not match on the wireless client node.
passphrase
Today's wireless world is dominated by ______________ technologies, in particular the 802.11 (Wi-Fi) standards.
radio frequency (RF)
You can install multiple WAPs to permit "______________" between one WAP's coverage area and another's.
roaming
The IEEE 802.11 wireless Ethernet standard defines methods by which devices may communicate using ______________ radio waves.
spread-spectrum
Wireless access points can act as ______________ and Internet routers.
switches
