Question

1. You have the choice of selecting a networking device with WEP or a device with WPA. Which offers better

     security and why?

2.

The term association is characterized by which of the following?

	a.	Describe the MAC address of the client.
	b.	Prevent excessive routing.
	c.	Describe that a wireless connection has been obtained.
	d.	Prevent unauthorized network access.

3.

Wi-Fi is which of the following?

	a.	The Wi-Fi Alliance, which is an organization that tests and certifies wireless equipment for compliance with the 802.11x standards
	b.	None of these answers are correct
	c.	The Wi-Fi Alliance, which is an organization that assembles and tests wireless equipment before it is shipped to the vendors
	d.	The Wi-Fi Alliance, which is an organization that tests and certifies wireless equipment for compliance with the 803.1 standards

Answer 1

1. You have the choice of selecting a networking device with WEP or a device with WPA. Which offers better security and why?

Answer:

WEP stands for Wired Equivalent Privacy

• WEP has 802.11 standard for Wi-Fi networks
• WEP protocol uses cipher (RC4) as WEP
• It uses 64-bit or 128-bit key
• WEP has a number of vulnerabilities andit is possible to break into any WEP network by using a brute-force method to decipher the key.

WPA stands for Wireless Protected Access

• WPA is newer standard and is much more secure than WEP
• WPA protocol uses the same cipher (RC4) as WEP but it includes TKIP (Termporal Key Integrity Protocol) to make it harder to decipher the key.

WPA offers better security than WEP

Although there is a newer wifi technology which offer even better security than WPA termed as WPA2

2.The term association is characterized by which of the following?

Answer: c. Describe that a wireless connection has been obtained.

• WiFi Association basically means that you have authenticated with the AP, and are now 'linked' to it, so that the AP knows to act as the network bridge for your device, so traffic can be routed to and from your device.

3.Wi-Fi is which of the following?

Answer: The Wi-Fi Alliance, which is an organization that tests and certifies wireless equipment for compliance with the 802.11x standards

• Wi-Fi is a family of wireless network protocols, based on the IEEE 802.11 family of standards, which are commonly used for local area networking of devices and Internet access
• Wi-Fi uses multiple parts of the IEEE 802 protocol family and is designed to interwork seamlessly with its wired sibling Ethernet.

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