Test your basic knowledge |

Wireless Technology Specialist

Subject : it-skills
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. An independent basic service set (IBSS) consists of how many access points?






2. These are user configurable and present in only five 802.11 frame types...






3. As a device moves away from an access point - what is true regarding dynamic rate switching?






4. in the 2.4GHz range - what distance between the center frequencies is required for two channels to be considered non-overlapping for HR/DSSS






5. You are a help desk support technician at a retail department store and you receive a call from a manager in the administrative offices. He complain the performance of his 802.11g notebook computer decreases several times throughout the day. Upon vis






6. 5.0 GHz - Ch 36 and up - Non overlapping - 23 total channels






7. This is typically the 48-bit MAC address of the access point's radio card.






8. WPA was developed as an interim solution for which amendment to the 802.11 standards?






9. 3 types of antennas






10. Point to Point links typically use which antenna types?






11. Which security methods do 802.11g access points support?






12. WiMAX 802.16 authentication is based on...






13. The open system authentication process uses how many frames?






14. Maximum length of data (Frame body) is 2304 when ____ is not in use






15. Which two options are for Wi-Fi Protected Access 2 (WPA 2.0)?






16. Beacons allow client devices to ____ for available LANS






17. When a wireless LAN device listens for beacon frames - it is participating in which phase?






18. ___ are used to describe the basic components and topology of a WLAN






19. In this mode - the card acts as a normal access point






20. High Throughput mode 0






21. What protocol am I? - 2.5/5 GHz Data rate - 248 Mbps - OFDM/MIMO






22. if operating with _____ - clients and AP communications all contend for the same half-duplex medium which causes a degradation of overall throughput

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23. Typically a point-to-multipoint link consists of ____ connections






24. How many non-overlapping channels are available in the unlicensed 2.4GHz ISM band?






25. This is the most common WLAN topology which uses one AP to support clients in a single cell of coverage and has one unique SSID.






26. Which process is a VPN solution intended to provide for users connection to a network






27. This type of attack is used to stimulate large amounts of traffic on the network for statistical attacks on WEP






28. The remote authentication dial in user service (RADIUS) service requires users on a wireless network to perform what function?






29. WHich security solution is mandatory for client devices in order to be considered Wi-Fi Protected setup certified?






30. The card is set to passively monitor all wireless signals at the RF level and is not part of any network nor is it joined to any access point






31. A weakness with MAC filtering is that it allows an intruder to ____






32. Which if the following organizations is responsible for standards compliance?






33. Which data encryption.authentication method is identified in the IEEE 802.11 standard






34. High Throughput mode 1






35. What item has an effect on RF line of site?






36. This if often found at cyber cafes. It forces an HTTP client on a network to see a special web page for authentication before using the internet normally.






37. An Ack is expected for every____ frame transmitted






38. What algorithm does WEP use






39. ____ is one way to reduce the effects of multipath. Is is a technology used in wireless LANs where a station will utilize two antennas combined with one radio to decrease the effects of multipath






40. A service set identifier (SSID) has a maximum limit of how many characters?






41. Two characteristics of signals are






42. in the 802.11a amendment - the UNII-3 band can be used for which WLAN applications?






43. What organization is responsible for unlicensed frequency band regulations in the United States?






44. Name two relative measures of power






45. High throughput mode 3






46. _____ can support client connections on one radio channel and the DS connection on a non-competing channel.






47. The length of a WEP key is typically ___ or ___






48. You are a technical support engineer and receive a call from a customer regarding a problem with their network connection. The building has an ESS network with five 802.11g access points. The customer claims that when they move from their office to a






49. How many different channels are available for wireless LANs to use in the unlicensed UNII-1 band?






50. Give two examples of WGB devices.