单选题Which of the following improves wireless performance by allowing only one wireless transmissionon the network at a time?（）A CSMA/CAB CSMA/CDC Wireless encryptionD Wireless bonding

第1题：

Which two statements about the Cisco Aironet Desktop Utility （ADU） are true？ （Choose two.）（）  

• A、 The Aironet Desktop Utility （ADU） can be used to establish the association between the client adapter  and the access point， manage authentication to the wireless network， and enable data encryption.
• B、 The Aironet Desktop Utility （ADU） and the Microsoft Wireless Configuration Manager can be used at the same time to configure the wireless client adapter.
• C、 The Aironet Desktop Utility （ADU） can support only one wireless client adapter installed and used at a  time.
• D、 The Aironet Desktop Utility （ADU） profile manager feature can create and manage only one profile for the wireless client adapter.
• E、 When the user selects a different profile in the Aironet Desktop Utility （ADU）， the settings for the wireless client adapter are changed only after a reboot.

第2题：

An administrator wants to limit access of a wireless network without requiring authorized users to enter a password or network key. Which of the following methods would MOST likely be implemented on the wireless network?（）

• A、Disable SSID
• B、WPA
• C、MAC filtering
• D、RAS

第3题：

You are the network administrator for passguide.com. Which device will you install in your computer to make wireless connections you and a network?（）

• A、Repeater
• B、Wireless router
• C、Hub
• D、Wireless network adapter

第4题：

A laptop typically has a physical switch to disable which of the following features?（）

• A、Bluetooth
• B、Hard Drive Impact Protection
• C、Data Encryption
• D、Wireless

第5题：

A company has implemented a wireless network for its employees. Since implementing the new network, individuals have been receiving duplicate IP addresses causing network issues. Which of the following would resolve this issue?（）

• A、Add another wireless access point.
• B、Add another DHCP server.
• C、Disable the wireless DHCP server.
• D、Change the default gateway of the wireless router

第6题：

When setting up a wireless network to cover a large area, which of the following needs to beconsidered FIRST?（）

• A、Device placement
• B、Encryption methods
• C、Wireless channels
• D、SSID name

第7题：

Your computer has a wired network adapter and a wireless network adapter. You use the wireless network adapter only when you are traveling.  You need to configure the network adapter profile settings to ensure that the computer discovers other network devices only when you are at home.  Which two actions should you perform？（）

• A、When you configure access to the wired network at home， set the wired network adapter location type to Public.
• B、When you configure access to the wired network at home， set the wired network adapter location type to Private.
• C、When you configure access to the public wireless access points， set the wireless network adapter location type to Public.
• D、When you configure access to the public wireless access points， set the wireless network adapter location type to Private.

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第13题：

In which of the following scenarios would MAC filtering be MOST effective as a part of wireless security？ （）

• A、A public place where guests are free to access the wireless network.
• B、A small office where a defined number of specific wireless devices are used.
• C、A meeting room where various company users will access the wireless network during meetings. 
• D、An office where some users are unable to use WPA encryption due to older wireless cards so they use MAC filtering.

第14题：

All users within an office are wirelessly connected to a network, except one user that has a valid connection on a leased IP address in a different range. Which of the following is a possible cause of the user having a different IP address range?（）

• A、The wireless access point is using MAC address filtering
• B、The user has connected to a nearby wireless access point from another office
• C、The user has configured the wireless settings with the wrong encryption type
• D、The wireless access point has SSID broadcast disabled

第15题：

Which of the following improves wireless performance by allowing only one wireless transmissionon the network at a time?（）

• A、CSMA/CA
• B、CSMA/CD
• C、Wireless encryption
• D、Wireless bonding

第16题：

Which of the following features can be identically configured on a wireless access point and in the wireless network OS settings?（）

• A、The firewall settings
• B、The DHCP address
• C、The workgroup name
• D、The SSID

第17题：

A technician is working on a SOHO wireless network and notices that the wireless adaptor in the laptop shows excellent connection at 11Mbps. The technician has a wireless N adaptor. Which of the following would BEST describe this connection speed?（）

• A、The laptop is too far away from the WAP.
• B、The WAP is using 802.11a frequencies.
• C、The laptop is only set to allow 802.11n connections.
• D、The technician is on an 802.11b network.

第18题：

A technician installed a new wireless access point on an existing small office home office (SOHO) network with a selective security option enabled. All wireless computers connect to the new network except one computer that cannot connect to the wireless network. Which of the following is the cause?（）

• A、The network uses MAC filtering
• B、The network uses WEP
• C、The network uses SSID broadcast
• D、The network uses WPA

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