Syngress - Eleventh Hour Network+ Exam N10-004 Study Guide (11 ...

72 CHAPTER 4 Wireless Networking
could cause a shortening of distance. RFI could also cause a shortening of
distance.
3. Correct answer and explanation: B. If the wireless networking devices are
not setup for the same encryption, then the connection will be denied.
Incorrect answers and explanations: A, C, and D. Answer A is incorrect
because if you can see the network, then you are using the same 802.11
standard. Answer C is incorrect because usernames are only used with
RADIUS authentication. Answer D is incorrect because interference would
not cause the denied connection.
4. Correct answer and explanation: C. When you connect to wireless access
points, your connection should be set for infrastructure mode.
Incorrect answers and explanations: A, B, and D. Answer A is incorrect
because Ad-Hoc is for computer to computer connection. Answer B is
incorrect because though a secure connection would be good, this is not
a mode for wireless connection Answer D is incorrect because WPA is an
encryption protocol and not a mode.
5. Correct answer and explanation: A and C. The older of the wireless
encryption protocols is WEP, and the newer version is called WPA.
Incorrect answers and explanations: B and D. Answer B is incorrect because
this is a wireless authentication protocol. Answer D is incorrect because
this is used by 802.11n to achieve greater speeds.