DHomesb Chapter 7 - CCNA Discovery: Networking For Home And Small Businesses (Version 4.0)


1. Complete the following sentence: WEP is used to ______ , and EAP is used to _____ wireless networks.
>encrypt; authenticate users on


2. What are three advantages of wireless over wired technology? (Choose three.)
>anytime, anywhere connectivity
>ease of adding additional devices


3. 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


4. Which statement is true concerning wireless bridges?
>connects two networks with a wireless link


5.
    
 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.


6. Why is IEEE 802.11 wireless technology able to transmit further distances than Bluetooth technology?
>has higher power output


7. Which statement is true concerning an ad-hoc wireless network?
>created by connecting wireless clients in a peer-to-peer network


8. 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.


9. Which statement is true about open authentication when it is enabled on an access point?
>requires no authentication


10. Which WLAN component is commonly referred to as an STA?
>wireless client


11. 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


12. Why is security so important in wireless networks?
>Wireless networks broadcast data over a medium that allows easy access.


13. What term describes the encoding of wireless data to prevent intercepted data from being read by a hacker?
>encryption


14. What type of authentication do most access points use by default?
>Open


15. What are two authentication methods that an access point could use? (Choose two.)
>EAP
>pre-shared keys


16. What are two benefits of wireless networking over wired networking? (Choose two.)
>mobility
>reduced installation time


17. 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


18. What are the two WEP key lengths? (Choose two.)
>64 bit
>128 bit


19. 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.


20. 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.


21. What access-point feature allows a network administrator to define what type of data can enter the wireless network?
>traffic filtering


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