Network+ Chapter 12 Flashcards Preview

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Flashcards in Network+ Chapter 12 Deck (20):
1

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

2

Why was Carrier Sense Multiple Access w/ Collision Avoidance created?



pb 385

to solve problems within the RF spectrum.

3

what is the benefit of WPA over a static WEP key?

(p. 420)

WPA can change dynamically while the system is used.

4

which employs multiple transmitters and receiver antennas to increase data throughput.

(p. 389).

multiple-input, multiple-output (MIMO)

5

several antennae over several paths and are then recombined by another set of antennae to optimize throughput and multipath resistance

(p. 389).

spatial multiplexing

6

is the simplest of all IEEE 802.11 networks in that no network infrastructure is required.


pg 395

independent basic service set

7

provides the basic building-block of an 802.11 wireless LAN.



(p. 396).

basic service set (BSS),

8

802.11b uses a modulation technique called

(p. 386)

Direct Sequence Spread Spectrum (DSSS)

9

If you cannot see an AP when trying to perform a site survey, verify that the AP has_____________ enabled.

(p. 416)

SSID beaconing

10

T or F Yagi antennas usually provide less range than Omni antennas of equivalent gain.

p. 393

False

11

CSMA/ CA also has an optional implementation called a_____________

pg 385

Request to Send, Clear to Send (RTS/ CTS)

12

What are two methods you can use to protect against passive attacks?

pg 414

IDS/IPS
.

13

What is the highest level of wireless encryption you can run?

p. 420

WPA2-AES.

14

1. What is the maximum data rate of IEEE 802.11b?

54mbps

15

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.

16

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.

17

___________as exhibiting properties as velocity of light transmission with the same values when measured along axes in all directions.
(pp. 393-394).

isotropic

18

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

19

An______________ is a set of two or more BSSs that form a single sub network. pg 396-397

extended service set (ESS)

20

Which IEEE committee has been sanctioned by WPA and is called WPA2?

pg 420

IEEE 802.11i