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Exam Code : 2B0-015
Exam Name : ES Wireless
Vendor Name : "Enterasys"






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ES Wireless


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  1. Filtering

  2. Hardware

  3. Reload

  4. Discover




Answer: C



Question: 84

The RoamAbout Access Points with 802.11b PC Cards installed use:


  1. Narrow Band Spread Spectrum

  2. Frequency Hopping Spread Spectrum

  3. Direct Sequence Spread Spectrum

  4. Dense Wave Division (DWD) Spread Spectrum




Answer: C



Question: 85

For what is the directional antenna generally used?


  1. Within Wireless Infrastructure Networks

  2. In LAN-to-LAN Endpoint solutions

  3. For the logical center of an ad-hoc network

  4. The Central AP in a Point-to-Multipoint solution




Answer: B



Question: 86

How do you avoid cross-channel interference when positioning several APs, configured with 802.11b PC Cards, adjacent to each other?


  1. Enable the RTS/CTS Protocol

  2. Ensure a 100 meter distance between APs

  3. Set the APs to different network names and channels

  4. Set the APs to different channels that are at least five channels apart




Answer: D



Question: 87

What are two reasons to do a Link Test when planning and installing a Wireless Infrastructure Network?


  1. Locate sources of interference

  2. Configure network parameters

  3. Enable the NetRider application

  4. Determine signal strength in various locations




Answer: A, D



Question: 88

In which of the following devices is the PC Radio Card NOT used?


  1. Laptops

  2. Carrier (adapter) modules

  3. Omni-directional antenna

  4. Wireless Ethernet Adapter




Answer: C



Question: 89

Which of the following is NOT a feature of the RoamAbout Client Utility?


  1. Monitor the amount of collisions in the wireless network before enabling the RTS/CTS Protocol

  2. Monitor SNR levels and signal and noise levels

  3. Monitor the wireless performance of the client RoamAbout 802.11b PC Card

  4. View and modify the configuration on the RoamAbout 802.11b PC Card




Answer: A



Question: 90

What is a wireless device called when its transmissions cannot be sensed by another wireless device or devices in the network?


  1. Hidden Client

  2. Hidden Station

  3. Rogue Client

  4. Rogue Station




Answer: B