Wireless Security

Front 1

What is the typical range of transmission for a WPAN?

Back 1

10 meters

Front 2

is a low-power, short-range, wireless data and voice transmission technology that falls under the category of WPAN

Back 2

Bluetooth

Front 3

Which is a solution to the last mile connection problem?

Back 3

wireless ISP

Front 4

Which of the following is the foundation level wireless LAN certification

Back 4

cwna

Front 5

Which of the following is a geographic location that is served by a wireless data system and provides network access to mobile users?

Back 5

hotspot

Front 6

Which technology can use a pad reader to get product code dates and other information?

Back 6

RFID

Front 7

Which of the following is NOT true about wireless data networks?

Back 7

wireless networks are usually only found in airports and hotels

Front 8

Which of the following is least likely to have a built-in wireless connection?

Back 8

SERVER

Front 9

What is a ‘last mile connection?’

Back 9

the connection that begins at an Internet service provider, goes through the local neighborhood, and ends at the home or office

Front 10

Which of the following is an organization’s internal infrastructure connection between two or more remote locations?

Back 10

BACKHALL CONNEECTION

Front 11

What type of device is used in the medical field to diagnose digestive problems without surgery?

Back 11

VIDEO PILL

Front 12

What aspect of RF may produce biological damage?

Back 12

heating effects

Front 13

Which of the following is a wireless technology that is composed of 27 earth-orbiting satellites that allow precise positioning of equipment.

Back 13

GPS

Front 14

Which of the following is a wireless network that has a coverage area from several blocks to an entire small city?

Back 14

WMAN

Front 15

WLAN speeds typically range up to which of the following

Back 15

600 MBPS

Front 16

Which of the following statements is true about the 802.11g standard?

Back 16

speeds up to 54 Mbps and same radio frequency as 802.11b

Front 17

Which of the following is a viable option for a large enterprise or campus wireless network?

Back 17

lightweight access poin

Front 18

Which is NOT a limitation of infrared wireless systems?

Back 18

doesn’t work well indoors

Front 19

Which of the following is true about infrared transmissions?

Back 19

diffused transmission relies on reflected light

Front 20

If you are installing an access point on a ceiling, but find there are no electrical outlets nearby to provide power to the AP, what technology should you deploy?

Back 20

pce

Front 21

Wireless NICs perform the same function as a wired NIC except for which of the following?

Back 21

no RJ-45 connection

Front 22

Windows Vista and Windows 7 use which software for configuring wireless NICs

Back 22

WLAN AutoConfig

Front 23

Which of the following is connected inline to each end device and adds power to the line?

Back 23

midspan device

Front 24

Which of the following is NOT a major part of an autonomous access point?

Back 24

WIRELESS DEVICE

Front 25

Which of the following provides the management and configuration functions for a thin access point?

Back 25

wireless LAN controller

Front 26

Which of the following is true of the CardBus form factor

Back 26

has a bus mastering feature

Front 27

What are the two components that make up the Windows 7 wireless Hosted Network function?

Back 27

Virtual Wifi, SoftAP

Front 28

If a remote wireless bridge is set to ____, it can only transmit to another bridge in root mode.

Back 28

nonroot mode

Front 29

Which IEEE standard added speeds of 5.5 and 11 Mbps to the WLAN standards

Back 29

802.11B

Front 30

Which type of remote wireless bridge connection is used to connect multiple LAN segments, or buildings together?

Back 30

point-to-multipoint

Front 31

What units are used to measure RF power gain and loss on a relative scale?

Back 31

db

Front 32

Which is caused by small objects or rough surfaces as an RF signal travels through the air?

Back 32

scattering

Front 33

____ modulation changes the number of waves representing one cycle.

Back 33

Frequency

Front 34

Which is a method of measuring RF power that can be used as a comparison between two values and gives a better picture of the loss or gain?

Back 34

relative scale

Front 35

What does a loss of 10 decibels mean with respect to the percent of power loss in mW?

Back 35

90%

Front 36

Which value can be measured by the circuitry on a wireless NIC to determine if it is clear to send its transmission?

Back 36

rssi

Front 37

Which describes the natural loss of signal strength through space?

Back 37

free space loss

Front 38

Which of the following is an electromagnetic wave?

Back 38

all of the above

Front 39

What is the term that describes the ratio of desired signal to undesired signal in the average power level of a transmission?

Back 39

SNR

Front 40

Which of the following units is used to measure frequency?

Back 40

hertz

Front 41

Power of an electromagnetic signal such as one used in WLANs is measured by which unit?

Back 41

millwatts

Front 42

What is the positive difference in amplitude between two signals?

Back 42

gain

Front 43

When an RF signal moves from one medium to another of a different density the signal actually bends instead of traveling in a straight line. This is known as ____.

Back 43

refraction

Front 44

Which type of modulation changes the starting point of the cycle to represent a change from a 1 bit to a 0 bit and vice versa?

Back 44

P,M,

Front 45

The term ____ describes the rate of electrical flow.

Back 45

Current

Front 46

Which of the following is true about wireless network operation modes?

Back 46

a WLAN operating in ad hoc mode does not use an AP

Front 47

At regular intervals the AP sends a ____ frame to both announce its presence and to provide the necessary information for other devices to join the network.

Back 47

beacon

Front 48

What is the default authentication method according to the 802.11 standard?

Back 48

open system

Front 49

Which is true about the CSMA/CD media access method?

Back 49

e hidden node problem makes it unsuitable for wireless networks

Front 50

Which of the following describes the process of a wireless device switching from one AP to another?

Back 50

handoff

Front 51

A method of roaming between APs that are separated by a router is referred to as which of the following?

Back 51

Mobile IP

Front 52

When an AP accepts or rejects a wireless device it sends a(n) ____ frame.

Back 52

association response

Front 53

In which access method does the access point serve as the polling device?

Back 53

pcp

Front 54

On ESS networks that have multiple access points, the wireless device might actually receive beacon frames from several APs. Which AP would a wireless device generally choose in this case?

Back 54

the one with the strongest signal strength

Front 55

Which of the following is true about RTS/CTS?

Back 55

the RTS indicates the length of time needed for the transmission and ACK

Front 56

What is the first step in shared key authentication?

Back 56

wireless device sends an authentication frame to the AP

Front 57

The 802.11n standard adds a feature to CSMA/CA which is necessary for A-MPDU aggregation called which of the following?

Back 57

virtual carrier sensing

Front 58

Following authentication, if the access point accepts the wireless device, it reserves memory space in the AP and establishes a(n) ____ ID for it.

Back 58

association

Front 59

Which is true of passive scanning?

Back 59

a station listens for a beacon frame with an SSID for a set period of time

Front 60

____ effectively prevents collisions because every device must wait until it receives permission before it can transmit.

Back 60

polling

Front 61

Which network area are you likely to find LAN routers and Layer 3 switches?

Back 61

WORKGROUP

Front 62

Which power management technology is designed to be used with MIMO devices?

Back 62

SMPS

Front 63

Which technology works by inserting a tag header within the existing Ethernet packet?

Back 63

802.1g trucking

Front 64

Which of the following are NOT enhanced power management technologies?

Back 64

CONTINOUS

Front 65

Which is NOT an advantage of single channel architecture?

Back 65

AP COVERAGE DOES NOT OVERLAP

Front 66

In an 802.11b network, which channels are nonoverlapping?

Back 66

1,6,11

Front 67

Which type of wireless network uses the ATIM window?

Back 67

IBSS

Front 68

Which is true of a wireless mesh network?

Back 68

only one AP must be connected to the wired network

Front 69

Which system allows APs and other network equipment to be connected through the Internet and managed from one central location?

Back 69

CLOUD Management

Front 70

Which wired device is a WLC most similar to?

Back 70

managed switch

Front 71

What happens when an AP sends a DTIM?

Back 71

all stations change to active mode

Front 72

A distributed WLAN architecture can be described as which of the following?

Back 72

an ESS that uses multiple autonomous access points

Front 73

What should you deploy if you manage a public hotspot and want users to agree to a policy or present credentials before using the WLAN?

Back 73

captive portal AP

Front 74

Which of the following is true of wireless VLANs in which the AP is responsible for separating packets for the correct VLAN?

Back 74

different VLANs are transmitted by the AP on different SSIDs

Front 75

The capability to prioritize different types of frames is known as which of the following?

Back 75

quality of service