1. Why is IEEE 802.11 wireless technology able to transmit further distances than Bluetooth technology?
• has higher power output
2. What are three advantages of wireless over wired technology? (Choose three.)
• anytime, anywhere connectivity
• easy and inexpensive to install
• ease of adding additional devices
3. What are two benefits of wireless networking over wired networking? (Choose two.)
• mobility
• reduced installation time
4. A technician has been asked to provide wireless connectivity to the wired Ethernet network of a building. Which three factors affect the number of access points needed? (Choose three.)
• the size of the building
• the number of solid interior walls in the building
• the presence of microwave ovens in several offices
5. Why is security so important in wireless networks?
• Wireless networks broadcast data over a medium that allows easy access.
6. What does the Wi-Fi logo indicate about a wireless device?
• The device is interoperable with other devices of the same standard that also display the Wi-Fi logo.
7. Which statement is true concerning wireless bridges?
• connects two networks with a wireless link
8. Which WLAN component is commonly referred to as an STA?
• wireless client
9. Which statement is true concerning an ad-hoc wireless network?
• created by connecting wireless clients in a peer-to-peer network
10. Refer to the graphic. In the Wireless menu option of a Linksys integrated router, what does the Network Mode option Mixed mean?
• The router supports 802.11b, 802.11g, and 802.11n devices.
11. Refer to the graphic. In the Wireless menu of a Linksys integrated router, what configuration option allows the presence of the access point to be known to nearby clients?
• SSID Broadcast
12. Which two statements about a service set identifier (SSID) are true? (Choose two.)
• tells a wireless device to which WLAN it belongs
• all wireless devices on the same WLAN must have the same SSID
13. Which two statements characterize wireless network security? (Choose two.)
• With SSID broadcast disabled, an attacker must know the SSID to connect.
• Using the default IP address on an access point makes hacking easier.
14. What type of authentication does an access point use by default?
• Open
15. Which statement is true about open authentication when it is enabled on an access point?
• requires no authentication
16. What are two authentication methods that an access point could use? (Choose two.)
• EAP
• pre-shared keys
17. What is the difference between using open authentication and pre-shared keys?
• Pre-shared keys require an encrypted secret word. Open authentication does not require a secret word.
18. What term describes the encoding of wireless data to prevent intercepted data from being read by a hacker?
• encryption
19. What access-point feature allows a network administrator to define what type of data can enter the wireless network?
• traffic filtering
20. What are the two WEP key lengths? (Choose two.)
• 64 bit
• 128 bit
21. Complete the following sentence: WEP is used to ______ , and EAP is used to _____ wireless networks.
• encrypt; authenticate users on
Rabu, 27 Oktober 2010
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