Network+ Chapter 12 Flashcards
If you cannot connect to an AP and you’ve verified that your DHCP configuration and WEP key are correct. What would check next to get the AP working?
(p. 417)
check the MAC address filtering on the AP
Why was Carrier Sense Multiple Access w/ Collision Avoidance created?
pb 385
to solve problems within the RF spectrum.
what is the benefit of WPA over a static WEP key?
p. 420
WPA can change dynamically while the system is used.
which employs multiple transmitters and receiver antennas to increase data throughput.
(p. 389).
multiple-input, multiple-output (MIMO)
several antennae over several paths and are then recombined by another set of antennae to optimize throughput and multipath resistance
(p. 389).
spatial multiplexing
is the simplest of all IEEE 802.11 networks in that no network infrastructure is required.
pg 395
independent basic service set
provides the basic building-block of an 802.11 wireless LAN.
(p. 396).
basic service set (BSS),
- 11b uses a modulation technique called
p. 386
Direct Sequence Spread Spectrum (DSSS)
If you cannot see an AP when trying to perform a site survey, verify that the AP has_____________ enabled.
(p. 416)
SSID beaconing
T or F Yagi antennas usually provide less range than Omni antennas of equivalent gain.
p. 393
False
CSMA/ CA also has an optional implementation called a_____________
pg 385
Request to Send, Clear to Send (RTS/ CTS)
What are two methods you can use to protect against passive attacks?
pg 414
IDS/IPS
.
What is the highest level of wireless encryption you can run?
p. 420
WPA2-AES.
- What is the maximum data rate of IEEE 802.11b?
54mbps
What is a mobile Hot Spot?
pg 399
Its a device you can get from your mobile carrier to access the internet where you current do not have service.
This connection from the access point to the wired network is called the____________and is referred to as___________?
pg 396
distribution system (DS)
wireless bridging.
___________as exhibiting properties as velocity of light transmission with the same values when measured along axes in all directions.
(pp. 393-394).
isotropic
refers to the unique 32-character identifier that represents a particular wireless network and defines the basic service set.
p. 396
SSID Service Set idenifier
An______________ is a set of two or more BSSs that form a single sub network. pg 396-397
extended service set (ESS)
Which IEEE committee has been sanctioned by WPA and is called WPA2?
pg 420
IEEE 802.11i
