CWNP PW0-071 問題集

質問 1：
As a general rule, where is the most appropriate location to install a dipole antenna?
A. At the perimeter of the coverage area facing outward
B. Directly below the coverage area
C. At one end of the coverage area facing toward the other side
D. Near the center of the coverage area
E. At the perimeter of the coverage area facing inward
正解：D

質問 2：
dBi is a(n) ___________ measurement of gain introduced by ___________?
A. relative; an antenna
B. relative; a radio chain
C. absolute; an access point
D. absolute; cables and connectors
正解：A

質問 3：
Given: Several users are required to transfer files among themselves in a conference room. No APs are available for connections to the network infrastructure. All users have laptops with 802.11 wireless adapters installed and operational.
What can you implement to allow users to transfer files when 802.11 adapters are available, but no wireless LAN infrastructure is accessible?
A. IBSS
B. SSID
C. BSSID
D. BSS
E. ESS
正解：A

質問 4：
ABC Academy is currently using non-802.11 2.4 GHz wireless security cameras. What problem will ABC Academy experience if they deploy Wi-Fi client devices in the 2.4 GHz ISM band?
A. If the Wi-Fi client devices detect the security cameras, they will move to the 5 GHz band and stop transmitting in the 2.4 GHz band.
B. The Wireless Network Management System (WNMS) would not be able to manage the APs near the security cameras.
C. The Wi-Fi client devices will experience performance degradation due to co-channel interference.
D. Wi-Fi client devices will create a security hole in the Wi-Fi infrastructure as a protection mechanism.
正解：C

質問 5：
ABC Manufacturing currently has 35 access points throughout their main facility, and each Friday afternoon two administrators walk the premises with spectrum and protocol analyzers to detect unauthorized devices and network activity. You have noted several problems with this approach. To address the inefficiencies with this approach and to provide the most robust preventative security, you have set aside a portion of the department's budget to install a ________.
A. Full-time Protocol Analyzer
B. Wireless Intrusion Prevention System (WIPS)
C. Single Channel Architecture (SCA) system
D. Full-time Spectrum Analyzer
E. Wireless Distribution System (WDS)
正解：B

質問 6：
As an RF signal propagates, it reflects off an object. The reflected signal and the signal following a direct path arrive at the receiver at different points in time. What is the term used to describe this RF behavior?
A. Multipath
B. Channel Reciprocity
C. Antenna Diversity
D. Beamwidth Refraction
E. Multiple In, Multiple Out (MIMO)
正解：A

質問 7：
As an alternative to using leased lines to connect two offices on the same campus, your customer wants to implement a Wi-Fi solution. When asked by your customer, what advantages do you cite regarding use of a Wi-Fi infrastructure instead of a leased line? (Choose 2)
A. Wi-Fi implementations offer more flexibility and easier expansion than leased lines.
B. Wi-Fi implementations support larger numbers of simultaneous connections than leased lines.
C. Wi-Fi implementations are not susceptible to outages caused by inclement weather.
D. Wi-Fi implementations have a lower total cost of ownership than leased lines.
E. Wi-Fi implementations are more reliable than leased lines.
正解：A,D