Reference no: EM131015713
1. (TCO A) How do analog and digital signals differ? Describe the pattern.
2. (TCO A) How is information conveyed using FM (frequency modulation)?
3. (TCO B) Define circuit switching and packet switching. Explain why one is more appropriate for data.
4. (TCO B) What organizations have responsibility for standards covering more than one nation?
5. (TCO C) What is the difference between a BSS and an ESS?
6. (TCO C) How many types of frames are used on a wireless network and what are they?
7. (TCO C) Which security standard is compatible with the 802.11i standard and which ones are not?
8. (TCO C) Why does implementing RTS/CTS help speed data transmission?
9. (TCO C) What are the primary components of a WLAN?
10. (TCO D) What is the difference between baseband and broadband?
11. (TCO D) What is meant by the last mile? Why is the last mile problematic in terms of data transmission?
12. (TCO E) What is the main problem with using GEO satellites for data links?
13. (TCO E) Explain the differences between 1G, 2G, and 3G networks.
14. (TCO F) What is the purpose of a blocker tag?
15. (TCO F) How does RFID work?
16. (TCO G) AMPS operates in what frequency range?
17. (TCO G) Describe an efficient way to accomplish a widespread rollout of a new wireless system.
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Find the force on each side
: A uniformed equilateral trianle of side length 2.23m and weight 5.70 *103N is placed across a gap. One point is on the north end of the gap, and the opposite side is on the south end. Find the force on each side.
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What is their speed just after he grabs her
: Erica (37 kg ) and Danny (45 kg ) are bouncing on a trampoline. Just as Erica reaches the high point of her bounce, Danny is moving upward past her at 4.9 m/s . At that instant he grabs hold of her. What is their speed just after he grabs her?
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Overview of the key points and ideas
: Visit the McKinsey & Company website, http://www.mckinsey.com/insights/leading_in_the_21st_century/leading_in_the_21st_century, which addresses leadership in the 21st Century. Prepare a two page overview of the key points and ideas that resonate ..
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Find the riemann sum
: Values of f(x,y) are in the table below. Let R be the rectangle 1 ≤ x ≤ 1.2, 2 ≤ y ≤ 2.4. Find the Riemann sum which is a reasonable over estimate for ∫Rf(x,y) dA with Δx=0.1 and Δy=0.2. Show what you calculate.
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What are the primary components of a wlan
: Why does implementing RTS/CTS help speed data transmission?
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Identify potential solutions to this problem
: Your task: The Chief Operating Officer (COO) for XYZ, Inc. has asked you to identify potential solutions to this problem. A briefing has been scheduled for you to present your recommendations to the executive management team for consideration
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Explain how non-volatile ram can help speed up disk writes
: Since indexes speed up searches, why wouldn't the DBMS automatically create an index for every column of a table?
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Find radius of father ball and the radius of daughter ball
: They are each sitting on a beach ball that is just submerged beneath the water (see the figure). Ignoring the weight of the air in each ball, and the volumes of their legs that are under the water, find (a) the radius of father's ball and (b) the ..
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Estimate the mechanical power in watts for a top climber
: If the body is 20% efficient at converting chemical energy into mechanical energy, approximately how many joules and kilocalories of chemical energy does the body expend during the stair climb? Note: 1 food calorie = 1 kilocalorie = 4186 J. Expres..
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