LABSIM for Wireless

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question
Which of the following are frequencies defined by 802.11 committees for wireless networking? (Select two.)
answer
2.4 5.75
question
You are designing an update to your client's wireless network. The existing wireless network uses 802.11b equipment; which your client complains runs too slowly. She wants to upgrade the network to run 54 Mbps. 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. She has also indicated that the system must continue to function during the transition period. Which 802.11 standard will work best in this situation?
answer
802.11g
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How many total channels are available for 802.11a wireless networks?
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23
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How many total channels are available for 802.11g wireless networks?
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11
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You have been contacted by OsCorp to recommend a wireless Internet solution. THe wireless strategy must support a transmission range of 150 feet, use a frequency range of 2.4 GHz, and provide the highest possible transmission speeds. Which of the following wireless solution would you recommend?
answer
802.11g
question
Which IEEE standard describes wireless communication?
answer
802.11b
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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. Which 802.11 standard will work best in this situation?
answer
802.11a
question
What s the frequence of 802.11a networking?
answer
5.75 GHz
question
Which of the following wireless security methods uses a common shared key configured on the wireless access point and all wireless clients?
answer
WEP, WPA Personal, and WPA2 Personal
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You are concerned about sniffing attacks on your wireless network. Which of the following implementations offers the best countermeasure to sniffing?
answer
WPA2 and AES
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Which of the following features are supplied by WPA on a wireless network?
answer
Encryption
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You want to implement 802.1x authentication on your wireless network. Where would you configure passwords that are used for authentication?
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On a RADIUS server
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Which of the following locations will contribute the greatest amount of interference for a wireless access point? (Select two.)
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Near backup generators Near Cordless pones
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Which of the following recommendations should you follow when placing access points to provide wireless access for users within your company building?
answer
Place access points above where most clients are.
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You've just finished installing a wireless access point for a client. What should you do to prevent unauthorized users from accessing the access point (AP) configuration utility?
answer
Change the administrative password on the AP.
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Which remote access authentication protocol allows for the use of smart cards for authentication?
answer
EAP
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Which of the following measures will make your wireless network invisible to the casual attacker performing war driving?
answer
Disable SSID broadcast
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You need to configure the wireless network card to connect to your network at work. The connection should use a user name and password for authentication with AES encryption. What should you do?
answer
Configure the connection to use WPA2-Enterprise.
question
WiMAX is an implementation of which IEEE committee?
answer
802.16
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Which of the following features on a wireless network allows or rejects client connections based on the hardware address?
answer
MAC address filtering
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You need to add security for your wireless network. You would like to use the most secure method. WHich method should you implement?
answer
WPA2
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How does WPA2 differ from WPA?
answer
WPA2 uses AES for encryption; WPA used TKIP.
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What purposes does a wireless site survey serve? (Choose two.)
answer
To identify existing or potential sources of interference. To identify the coverage area and preferred placement of access points.
question
You are configuring an ADSL connection. WHich of the following will be part of the configuration? (Select two.)
answer
RJ-11 connectors Filters or splitters
question
Which of the following are features of Basic Rate ISDN (BRI)? (Select three.)
answer
One control channel Dial-up connection Two data Channels
question
To access the Internet through the Publicly Switched Telephone Network (PSTN), what kind of connectivity device must you use?
answer
Modem
question
Which of the following are used to connect a cable modem to the Internet connection? (Select two.)
answer
RG-6 coaxial cable F-type connectors
question
You are installing a satellite connection so your home office can connect to the Internet. WHich of the following statements is true?
answer
The satellite dish must be pointed in the correct direction for communication with the satellite.
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A healthcare organization provides mobile clinics throughout the world and needs to transfer patient statistical data to central database via the internet. WHich network technology should you select to ensure network connectivity for any clinic located anywhere int he world, even remote areas?
answer
Satellite
question
When configuring an ADSL installation, where should you to install the DSL filters?
answer
On connections leading to an analog phone.
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WHich of the following network technologies is packaged as part of a BRI plan?
answer
ISDN
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Which type of network medium is used by an Integrated Services Digital Network (ISDN) adapter?
answer
Copper telephone wire
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Which actions allow you to access the Internet on your laptop via a cellular network?
answer
Install a cellular USB adapter in an open port on the laptop.
question
Which of the following common network monitoring or diagnostic activity can be used as a passive malicious attack?
answer
Sniffing
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A user calls to report that she is experiencing intermittent problems while accessing the wireless network from her laptop computer. Whie she normally works from her office, today she is trying to access the wireless network from a conference room which is across the hall and next to the elevator. What is the most likely cause of her connectivity problem?
answer
Interference is affecting the wireless signal.
question
Which of the following describes marks that attackers place outside a building to identify an open wireless network?
answer
War Chalking
question
You are troubleshooing a wireless connectivity issue in a small office. You determine that the 2.4 GHz cordless phones used in the office are interfering with the wireless network transmissions. If the cordless phones are causing the interference, which of the following wireless standards could the network be using? (Select two.)
answer
802.11b Bluetooth
question
Which of the following best describes Bluesnarfing?
answer
Unauthorized viewing calendar, e-mails, and messages on a mobile device.
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Which of the floowing best describes an evil twin?
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An access point that is configured to mimic a valid access point to obtain logon credentials and other sensitive information.
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Your company security policy stats that wireless networks are not to be used because of the potential security risk they present to your network. One day you find that an employee has connected a wireless access point to the network in his office. What type of security risk is this?
answer
Rogue access point
question
Network packet sniffing is often used to gain the information needed to conduct more specific and detailed attacks. Which of the following is the best defense against packet sniffing?
answer
Encryption
question
Which of the following sends unsolicited business cards and messages to a Bluetooth device?
answer
Bluejacking
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Which of the following is the best protection to prevent attacks on mobile phones through the Bluetooth protocol?
answer
Disable Bluetooth on the phone
question
Your organization uses an 802.11b wireless network. Recently, other tenants installed the following equipment in your building: *A wireless television distribution system running at 2.4GHz *A wireless phone system running at 5.8 GHz *A wireless phone system running at 900 MHz *An 802.11a wireless network running in the 5.725 - 5.850 GHz frequency range. *An 802.11j wireless network running in the 4.9 - 5.0 Ghz frequency range. Since this equipment was installed, your wireless network has been experiencing significant interference. Which system is to blame?
answer
The wireless TV system.
question
On a wireless network that is employing WEP, which type of users are allowed to authenticate through the access points?
answer
Users with the correct WEP key.
question
Which of the following is used on a wireless network to identify the network name?
answer
SSID
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Which type of configuration would you use if you wanted to deploy 802.11n technology to communicate directly between two computers using a wireless connection?
answer
Ad hoc
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Which wireless standard operates at up to 54 Mbps to a maximum of 150 feet?
answer
802.11a
question
Which of the following measures will make your wireless network less visible to the casual attacker performing war driving?
answer
Disable SSID broadcast
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Which of the following are characteristics of the 802.11g wireless standard? (Select three.)
answer
Backwards compatible with 802.11a Operates in the 2. GHz range Maximum bandwidth of 54 Mbps
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Which data transmission rate is defined by the IEEE 802.11b wireless standard?
answer
11 Mbps
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Which IEEE wireless standards specify transmission speeds up to 54 Mbps? (Select two.)
answer
802.11a 802.11g
question
Which of the following are security protocols for wireless networks? (Select two.)
answer
WEP WPS
question
Which of the following features on a wireless network allows or rejects client connections based on the hardware address?
answer
MAC address filtering
question
You have a small home wireless network that uses WEP. The acess point is configured as the DHCP server and a NAT router that connects to the Internet. You do not have a RADIUS server. Which authentication method should you choose?
answer
Open
question
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. Which of hte following must you configure manually on the client? (Slect three.)
answer
SSID AES Preshared key
question
You have configured a wireless access point to create a small network. You have configured all necessary parameters. Wireless clients seem to take a long time to find the wireless access point. You want to reduce the time it takes for the clients to connect. What should you do?
answer
Decrease the beacon interval.
question
You are configuring a wireless network with two wireless access points. Both access points connect to the same wired network. You watn wireless users to be able to connect to either access point, and to be able to raom between the two access points. How should you configure the access points?
answer
Same SSID, different channel
question
You have a small wireless network that uses multiple access pints. the network currently uses WEP. You want to connect a laptop computer to the wireless network. Which of the following parameters will you need to configure on the laptop (Select two.)
answer
Preshared key SSID
question
YOu have configured a wireless access pint to creat a small network. FOr security, you have disables SSID broadcast. From a client computer, you try to browse to find the access point. You see some other wireless networks in the area, but cannot see your network to connect to it. What should you do?
answer
Configure a profile on the wireless client.
question
You need to configure a wireless network. You want to use WPA Enterprise. WHich of the following components will be part of your design? (Select two.)
answer
TKIP encryption 802.1x
question
You have purchased a used wireless access point and want to set up a small wireless network at home. The access pint only supports WEP. You want to configure the most secure settings on the access point. WHich of the following would you configure? (Select two.)
answer
Open authentication Preshared key
question
Which of the following wireless security methods uses a common shared eky configured on the wireless acess point and all wireless clients?
answer
WEP
question
You want to implement 802.1x authentication on your wireless network. Where would you configure passwords that are used for authentication?
answer
On a RADIUS server.
question
What encryption method is used by WPA for wireless networks?
answer
TKIP
question
You want to implement 802.1x authentication on your wireless network. WHich of the following will be required?
answer
RADIUS
question
On a wireless network that is employing WEP, which type of users are allowed to authenticate through the access points?
answer
Users with the correct WEP key
question
On wireless networks, which technology is employed to provide the same type of protection that cables provide on a wire network?
answer
WEP
question
You need to add security for your wireless network. You would like to use the most secure method. Which method should you implement?
answer
WPA2
question
Which of the following protocols or mechanisms is not used to provide security on a wireless network?
answer
RDP
question
Which of the following specifications identify security that can be added to wireless networks? (Select two.)
answer
802.11i 802.1x
question
You want to use a wireless printer at home. The printer will be used by two computers in two different rooms. Which interfaces could be used to do this? (Select two.)
answer
Bluetooth Wireless Ethernet
question
Which of the following is not an example of wireless networking communications?
answer
DSL
question
What is the maximum range of the Bluetooth 2.0 specification for Class 1 devices?
answer
100 M
question
You want to use a wireless keyboard and mouse with your laptop computer. Which method should you choose?
answer
Bluetooth
question
You need a type of wireless connection that can transfer data between your phone, PDA, and laptop. You are transferring sensitive information. Which would be the best choice?
answer
Bluetooth.
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