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