CCNP Wireless FAQ: Wireless Fundamentals Q1. How does the wavelength of a wireless signal change as the frequency of the signal increases? Answer: As the frequency of a wireless signal increases, the wavelength of the signal becomes shorter. Q2. When a 2.4-GHz signal encounters an obstruction, what happens? Answer: When a 2.4-GHz signal encounters an obstruction, some of … [Read more...]
CCNP Wireless FAQ: An Introduction to Broadband License
CCNP Wireless FAQ: An Introduction to Broadband License Q1. This book defines a broadband wireless connection as any wireless connection with a bandwidth of ____. Answer: In this book, a broadband wireless connection is defined as a wireless connection with a bandwidth of 128 kbps or faster. Q2. What year did the U.S. government first require licenses for all … [Read more...]
CCNP Wireless FAQ: Installing Outdoor Wireless Systems
CCNP Wireless FAQ: Installing Outdoor Wireless Systems Q1. A site survey is normally performed immediately after a wireless installation is completed. True or false? Answer: False. A site survey is normally performed before installation. Q2. Anyone can install wireless antennas on radio towers as long as they are not afraid of heights. True or false? Answer: False. No one … [Read more...]
CCNP Wireless FAQ: Evaluating and Selecting Wireless Equipment
CCNP Wireless FAQ: Evaluating and Selecting Wireless Equipment Q1. Why is it important to visit an actual deployment site before you purchase wireless equipment? Answer: It is important to visit actual deployment sites to learn about unpublished equipment interactions and unknown operational characteristics. Q2. The electromagnetic waves that we call wireless exist at what … [Read more...]
CCNP Wireless FAQ: Selecting Antenna Systems
CCNP Wireless FAQ: Selecting Antenna Systems Q1. When comparing light energy to wireless energy, a light bulb can be compared to what antenna element? Answer: A light bulb can be prepared to the driven element of an antenna. Q2. The orientation of an antenna's E-field determines what characteristic of the antenna's operation? Answer: The orientation of an antenna's E-field … [Read more...]
CCNP Wireless FAQ: Performing Site Surveys
CCNP Wireless FAQ: Performing Site Surveys Q1. A physical site survey includes determining how to route cable from the wireless equipment to the antenna. True or false? Figure: Antenna-Mounting Location Examples Answer: True. Q2. Before you perform a physical site survey, you should know how high above the ground your antennas need to be mounted. True or … [Read more...]
CCNP Wireless FAQ: Choosing Your Network Architecture
CCNP Wireless FAQ: Choosing Your Network Architecture Q1. If you have one pair of backbone locations that need to be connected, which network architecture is the most appropriate? Answer: Point-to-point architecture. Q2. What type of antenna—omnidirectional or directional—does a point-to-point network normally use? Answer: A point-to-point network normally uses a … [Read more...]
CCNP Wireless FAQ: Providing Broadband Wireless Internet Access
CCNP Wireless FAQ: Providing Broadband Wireless Internet Access Q1. A WISP is an extension of a wired ISP. True or false? Answer: True. Q2: WISPs have been around since about 1995. True or false? Answer: True. Q3. The most profitable wireless markets are those where broadband DSL and cable Internet access are already available. True or false? Answer: False. The most … [Read more...]
CCNP Wireless FAQ: Solving Noise and Interference Problems
CCNP Wireless FAQ: Solving Noise and Interference Problems Q1. For reliable network operation, signal strength is more important than SNR. True or false? Answer: False.SNRis more important than signal strength. Q2. A reliable wireless link needs a line-of-sight path and an unobstructed Fresnel zone. True or false? Answer: True. Q3. Will the noise level always be low in a … [Read more...]