Networking Chapter 10

an access point that conforms to the IEEE 802.11b standard acts most closely to what other networking device?

hub

all of the 802.111 standards for wireless networking support which type of communication path sharing technology?

CSMA/CA

match the wireless signaling method on the left with its definition on the right.

drop down.

uses a narrow FHSS Breaks data into pieces DSSS Breaks data into very small data OFDM

which of the following is true of a wireless network SSID?

Groups wireless devices together into the same logical network

which wireless networking component is used to connect multiple APs together?

DS

which IEEE standard describes wireless communication?

802.11b

which data transmission rate is defined by the IEEE 802.11b wireless standard?

11 Mbps

you are designing a wireless network for a client. your client needs the network to support data rate of at least 64 mbps. in addition the client already has a wireless telephone system installed that operates 2.3 GHZ

Which 802.11 standard will work best in this situation.

802.11a

you are designing an update to your clients wireless network.

due to budget constraints your client wants to upgrade only the wireless access points in the network this year. Next year she will upgrade the wireless network boards in her users workstations.

802.11g

which IEEE wireless standards specify transmission speeds up to 54 mbps?

802.11g 802.11a

you have been contacted by OsCorp to recommend a wireless internet solution.

802.11g

which of the following are frequencies defined 802.11 committees for wireless networking

2.4 5.75

which technologies are used by the 802.11ac standard to increase network bandwidth?

80 MHZ Eight

you organization uses an 802.11b wireless network. Recently other tenants installed the following equipment in your building

the wireless tv system

what is the frequency of802.11a networking?

5.75

how many total channels are available for 802.11a wireless networks?

23

how many total channels are available for 802.11g wireless networks?

11

which wireless technology is used to enable 802.11a-ht and 802.11m network speeds.

channel bonding

you are configuring a wireless network with two wireless access points.

same SSID, different channel.

you have configured a wireless access point to create a small network.

decrease the beacon interval

you have configured a wireless access point to create a small network. for security you have disabled SSID broadcast.

configure a profile on the wireless client.

you have a small wireless network that uses multiple access points. The network uses WPA and broadcasts the SSID.

preshared key TKOP encryption

you are building a wireless network within and between two buildings. the buildings are separated by more than 3000 feet. the wireless network should meet the following

drop down

building 1 LA right facing directional antenna WPA2 with CCMP Building 1 LB Omni Directional antenna WPA2 with CCMP Building 1 LC left facing directional antenna WPA2 with CCMP Building 1 LD right facing parabolic antenna WPA2 with CCMP Building 2 LA Omni directional antenna WEP with open auth Building 2 LB left faing parabolic antenna WPA2 with CCMP

your wireless network consist if multiple 802.11n access points that are configured as follows

corpnet
WPA2-PSK using AES
5.7 GHz
20 MHz

double the bandwidth

what purpose does a wireless site survey serve

to identify existing or potential sources of interference. to identifiy the coverage area

you are designing a wireless network for a client. your client needs the network to support a data rate of at least 150 MBPS. in addition the client already has a wireless telephone system installed that operates 2.4 GHz.

which 802.11 standard

802.11n

you are designing a wireless network for a client. your client needs the network to support a data rate of at least 54 MBPS. in addition the client already has a wireless telephone system installed that operates 2.4 GHz.

802.11n 802.11a

you are designing an update to your clients wireless network. the existing wireless network uses 802.11g equipment which your client complains runs too slowly

802.11n

you have been hired to design a wireless network for a SOHO environment. You are currently in the process of gathering network requirements from management.

WHAT HOW IS

To optimize your network you want to configure your wireless AP to use a channel that meets the following

non- overlapping
low utilization
low interference.

channel 1

drop down

compares signal to noise ratio checks spectrum analysis identifies received signal level identifies nothing in this box. causes bounce degrades device saturation

which of the following enterprise wireless deployment models uses access points with enough intelligence to allow for the creation of guest WLANs for keeping public wireless traffic separate from private traffic>

distributed wireless mesh infrastructure

drop down

manages wireless controller supports 30 to 50 wireless controller provides NAT SOHO wireless router supports 5-10 SOHO wireless router pushes wireless controller

drop down

moving roaming used by cisco LWAPP specifies the number device density automatically VLAN pooling graphically heat map connects wireless bridge identifies nothing here the number of useful goodput

drop down

independent access point infrastructure intelligent hub and spoke lightweight distributed intelligent

which encryption method is used by WPA for wireless networks?

TKIP

You want to implement 802.1x authentication on your wireless network, which of the following will be required?

Radius

which of the following wireless security methods uses a common shared key configured on the wireless access point and all wireless clients?

WEP WPA Personal and WPA2 personal

you want to connect your client computer to a wireless access point connected to your wired network at work. the network administrator tells you that the access point is configured to use WPA2 personal with the strongest encryption method possible. SSID broadcast is turned off.

SSID AES Preshared key

you need to add security for your wireless network. you would like to use the most secure method.

WPA2

you are concerned that wireless access points may have been deployed within your organization without authorization

conduct check

your company security policy states that wireless networks are not to by used because of the potential security risk they present to your network.

rogue access point

an attacker is trying to compromise a wireless network that has been secured using WPA2-PSK

pharming evil twin

what is the least secure place to locate an access point with an Omni directional antenna when creating a wireless cell

near a window

which of the following measures will make your wireless network invisible to the casual attacker performing war driving

disable SSID broadcast

you are the wireless network administrator for your organization. as the size of the organization has grown, you’ve decided to upgrade your wireless network to use 802.1x authentication instead of pre shared keys

configure the radius server with a server cert configure all wireless access points with client certificates

you are designing a wireless network

drop down

a directional b directional c omnidirectional d directional e directional f directional g directional

the buildings are 100 meters apart

parabolic high gain

you need to configure a wireless network. you want to use WPA2 enterprise. which of the following components will be apart of your design?

802.1x AES encryption

drop down

transmits radio random noise jamming transmits pulses random pulse jamming repeatedly transmits spark jamming

you are setting up a wireless hotspot in a local coffee shop

Omni directional

you are troubleshooting a wireless connectivity issue in a small office. You determine that the 2.4GHz cordless phones used in the office are interfering with the wireless network transmissions.

Bluetooth 802.11b

you are implementing a wireless network inside a local office. you require a wireless link to connect a laptop in the administrators office

replace the omni

a user on your network has been moved to another office down the hall. After the move she calls you complaining that she has only occasional network access

the client system.

you have been hired to troubleshoot a wireless connectivity issue for two separate networks located within a close proximity.

overlapping

you have decided to conduct a business meeting at a local coffee shop.

mismatched SSID

after installing a new 2.4GHz cordless phone system in your office, you notice that wireless network performance is adversely affected.

802.11g 802.11b

a user calls to report that she is experiencing intermittent problems while accessing the wireless network from her laptop computer.

the user is

while configuring a new 802.11g wireless network, you discover another wireless network within range that uses the same channel ID that you intend to use.

use a different channel ID

router pictures

set the channel used by access point B to 8 Set access point B to use 802.11n wireless networking

which of the following recommendations should you follow when placing access points to provide wireless access for users within your company building.

place access points above where most clients are.

you have physically added a wireless access point to your network and installed a wireless networking card in two laptops.

SSID

you need to place a wireless access point in your two story building.

in the top floor

which of the following recommendations should you follow when placing access points to provide wireless access for users within your company building.

place access points above where most clients are.

your wireless network consists of multiple 802.11n access points that are configured as follows

SSID CorpNet
Security WPA2 PSK using AES
FREQ 5.7 GHz
bandwidth 40 MHz

implement antenna diversity