CWNA-109の無料問題集（124題）、CWNA-109認定試験参考書

CWNP CWNA-109 問題集

試験コード：CWNA-109

試験名称：CWNP Wireless Network Administrator (CWNA)

最近更新時間：2024-05-01

問題と解答：全124問

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無料問題集CWNA-109 資格取得

質問 1：
What frame type is used to reserve the wireless medium for the transmission of high data rate frames that may not be understood by all clients connected to the BSS?
A. Beacon
B. PS-Poll
C. ACK
D. RTS
正解：D
解説: (Topexam メンバーにのみ表示されます)

質問 2：
What statement about the IEEE 802.11-2016 QoS facility is true?
A. Four 802.1p user priorities are mapped to eight 802.11 transmit queues.
B. 802.11 control frames are assigned to the 802.11 EF priority queue.
C. When the Voice queue has frames awaiting transmission, no data will be transmitted from the Best Effort queue.
D. 802.11 QoS is achieved by giving high priority queues a statistical advantage at winning contention.
正解：D
解説: (Topexam メンバーにのみ表示されます)

質問 3：
You are managing a wireless access point in autonomous mode using the Web based interface. You capture traffic during this management task and notice that you can see the HTML code of the Web pages used for access point management. What error in administration could be the cause of this security concern?
A. HTTP is in use instead of HTTPS
B. WPA2 is disabled on the WLAN
C. A VPN with the AP is not established
D. IPsec is not in use of the management connection as recommended
正解：A
解説: (Topexam メンバーにのみ表示されます)

質問 4：
You are using a site survey tool for post-implementation validation. You have installed the appropriate adapter driver and imported a floor plan. Now, you want to take the next step in proper tool use. What must you do before gathering survey data after the floor plan is imported?
A. Install WinPCAP
B. Nothing, you can simply start capturing signal readings
C. Calibrate the floor plan
D. Install iPerf
正解：C
解説: (Topexam メンバーにのみ表示されます)

質問 5：
You administer a small WLAN with nine access point. As a small business, you do not rum a RADIUS server and use WPA2-Personal for security. Recently, you changed the passphrase for WPA2-personal in all Aps and clients. Several users are now reporting the inability to connect to the network at time and it is constrained to one area of the building. When using scanner, you see that the AP covering that area is online
A. The clients are improperly configured
B. The AP that covers the problem area requires a firmware update
C. The AP that covers the problem area is improperly configured
D. The AP that covers the problem area has failed
正解：A
解説: (Topexam メンバーにのみ表示されます)

質問 6：
What feature of 802.1 lax (HE) is managed with beacon and trigger frames and is primarily a power management method, but also provides more efficient access to the channel used within a BSS?
A. OFDMA
B. BSS Color
C. UL-MU-MIMO
D. TWT
正解：D
解説: (Topexam メンバーにのみ表示されます)

質問 7：
When compared with legacy Power Save mode, how does VHT TXOP power save improve battery life for devices on a WLAN?
A. VHT TXOP power save allows stations to enter sleep mode and legacy Power Save does not.
B. VHT TXOP power save uses the partial AID in the preamble to allow clients to identify frames targeted for them.
C. Legacy Power Save mode was removed in the 802.11ac amendment.
D. VHT TXOP power save allows the WLAN transceiver to disable more components when in a low power state.
正解：D
解説: (Topexam メンバーにのみ表示されます)

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CWNP Wireless Network Administrator (CWNA) 認定 CWNA-109 試験問題:

1. You are deploying a WLAN with the access points configured for 10 mW of output power on the 2.4 GHz radios and 20 mW of output power on the 5GHz radios. Some semi-directional antennas are also in use. What kind of deployment is described?

A) Standard office
B) Residential
C) SOHO
D) High density

2. You administer a small WLAN with nine access point. As a small business, you do not rum a RADIUS server and use WPA2-Personal for security. Recently, you changed the passphrase for WPA2-personal in all Aps and clients. Several users are now reporting the inability to connect to the network at time and it is constrained to one area of the building. When using scanner, you see that the AP covering that area is online

A) The clients are improperly configured
B) The AP that covers the problem area requires a firmware update
C) The AP that covers the problem area is improperly configured
D) The AP that covers the problem area has failed

3. You are installing an AP to be used by 27 laptops. All laptops will connect on the 5 GHz frequency band. A neighbor network uses channels 1 and 6. What channel should be used for this AP and why?

A) A 5 GHz channel, because channels 1 and 6 are 2.4 GHz channels they have no impact on the decision
B) Channel 1, because it is best to use the channel with the lowest frequency
C) Channel 6, because it is always best to use this channel
D) Channel 11, because channels 1 and 6 are in use nearby

4. You are troubleshooting a client problem with a 2.4 GHz WLAN connection. The client is experiencing surprisingly low data rates during the work day. You analyze the workspace outside of business hours and detect a strong signal with a typical noise floor at the client location. During working hours, the user works with a laptop in the area and uses an external USB hard drive for continuous data access. The user also states that the laptop works as expected on her home network. The user working approximately 8 feet away from this client experiences no problems.
Based on this information, what is the likely cause of the problem?

A) The external hard drive is USB 3.0 and is causing a significant increase in the noise floor when in use
B) The AP is overloaded during the work day
C) The drivers in the laptop are corrupt
D) The laptop has a failing wireless adapter

5. A natural disaster has occurred in a remote area that is approximately 57 miles from the response team headquarters. The response team must implement a local wireless network using 802.11 WLAN access points.
What is the best method, of those listed, for implementation of a network back-haul for communications across the Internet in this scenario?

A) 802.11 bridging to the response team headquarters
B) Cellular/LTE/5G
C) Temporary wired DSL
D) Turn up the output power of the WLAN at the response team headquarters

質問と回答：

質問 # 1
正解： C

質問 # 2
正解： A

質問 # 3
正解： A

質問 # 4
正解： A

質問 # 5
正解： B