Chapter 7

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