NO.1 CORRECT TEXT
Wireless network users recently began experiencing speed and performance issues after access point
2 (AP2) was replaced due to faulty hardware. The original network was installed according to a
consultant's specifications and has always worked without a problem.
You, a network technician, have been tasked with evaluating the situation and resolving the issues to
improve both performance and connectivity.
NECESSARY changes to the wireless and wired infrastructure by adjusting devices.
Note: Adjust the LEAST number of devices needed to fix the issue, all blue icons in the image are
clickable. When you feel the simulation is complete please select the Done button.
Answer:
Since we know that the network was running perfectly before replacing AP2 we should start by
looking at this new device that was used to replace the old one. Here we see that the other AP's have
hard coded the speed and duplex settings to 100/full, while AP2 is set to auto/auto.
Also, the other AP's have been configured to use 802.11G, while AP2 is using 802.11B.
Finally the channel that AP2 is using overlaps with AP1 which can cause problems. Channels 1, 6, and
11 are spaced far enough apart that they don't overlap. On a non-MIMO setup (i.e. 802.11 a, b, or g)
you should always try to use channel 1, 6, or 11. Since AP1 is using 1, and AP3 is using 11, AP2 should
be using 6.
References:
Dulaney, Emmett and Mike Harwood, CompTIA Network+ Authorized Exam Cram, Fourth Edition,
Pearson, Indianapolis, 2012, p 269.
Lammle, Todd, CompTIA Network+ Deluxe Study Guide, Deluxe Edition, Wiley Publishing, Inc.,
Indianapolis, 2009, pp 676, 677.
http://en.wikipedia.org/wiki/List_of_WLAN_channels#2.4.C2.A0...
NO.2 Routing prefixes which are assigned in blocks by IANA and distributed by the Regional Internet
Registry (RIR) are known as which of the following?
A. Top level domain
B. Autonomous system number
C. Network handle
D. Route aggregation
Answer: B
N10-006學習指南
NO.3 The management team wants to set up a wireless network in their office but all of their
phones operate at the 2.4 GHz frequency. They need a wireless network that would be able to
operate at a higher frequency than their phones. Which of following standards should be used?
A. 802.11a
B. 802.11g
C. 802.1x
D. 802.11b
Answer: A
Explanation:
In this question, we need a wireless network that operates at a frequency higher than the 2.4GHz
frequency.
802.11 is a set of IEEE standards that govern wireless networking transmission methods. The
802.11 standards commonly used today to provide wireless connectivity in home or office wireless
networks are 802.11a, 802.11b, 802.11g, 802.11n and 802.11ac.
The 802.11a standard supports speeds up to 54Mbps and uses the 5-GHz band.
NO.4 A technician add memory to a router, but that memory is never recognized by the router.
The router is then powered down, and the technician relocates all of the memory to different
modules. On startup, the router does not boot and displays memory errors. Which of the following is
MOST likely the cause?
A. Driver update
B. VTP
C. Halon particles
D. ESD
Answer: A
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考古題代碼: N10-006題庫名稱: CompTIA Network+ certification
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N10-006 考題 問答數: 325
最近更新: 06-22,2016
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