あなたを合格させるCWDP-304お手軽に試験合格リアルCWDP-304練習問題集で更新されたのは2024年04月21日
2024年最新の実際に出ると確認されたで無料CWNP CWDP-304試験問題
質問 # 34
What kind of site survey helps you identify if roaming is working as designed?
- A. Passive
- B. Spectrum analysis walkthrough
- C. Active
- D. Predictive
正解：C
質問 # 35
An enterprise customer is subject to the highest standards for network uptime. When designing their wireless network, you should consider which of the following?(Choose all that apply) Response:
- A. The failover of the wireless network only
- B. The failover of the wired network only
- C. The failover of the wireless and wired network
- D. The physical aspects such as power and cabling
正解：C、D
質問 # 36
A customer wants to deploy a WLAN that employs centralized forwarding. What LAN requirements should you look for?
Response:
- A. Routing redundancy protocol
- B. Layer 2 at the distribution layer
- C. High-speed Ethernet links
- D. Layer 3 at the access layer
正解：C
質問 # 37
Name the audience type not addressed in this chapter for HLDs.
Response:
- A. Engineering
- B. Operations
- C. Executives
- D. Designers
正解：B
質問 # 38
Assume that your network operates in a regulatory domain that allows use of the entire 5 GHz space allowed in the 802.11ac amendment. In your upcoming
802.11ac deployment, you would like to take advantage of the performance improvements that result from channel bonding. However, after extensive testing, you have determined that your mission-critical WLAN should not use channels requiring DFS support.
Given those two criteria (enable channel bonding and disable DFS channels), in the 5 GHz spectrum, how many non-overlapping 40 MHz channels will your system be able to use?
- A. 0
- B. 1
- C. 2
- D. 3
正解：A
質問 # 39
You are validating association capabilities from clients to an 802.1X/EAP secure SSID. The RADIUS server's IP address is 10.100.50.25 and the default RADIUS authentication port is used. When testing them, none of the clients are able to associate to the SSID. Troubleshooting the WLAN infrastructure, you found out that the server is up and the RADIUS service is up as well, but the authenticator is not able to communicate properly with the server. What's your next troubleshooting step?
- A. Restart the RADIUS service
- B. Verify that the shared secret between the authenticator and the RADIUS server is correct
- C. Reboot the clients
- D. Reboot the server
正解：B
質問 # 40
HR/DSSS specifies the following PHY rates:
Response:
- A. 1, 2, 5.5, 11
- B. MCS 1-15
- C. 6, 9, 12, 18, 24, 36, 48, 54
- D. 1, 2
正解：A
質問 # 41
In a multiple channel architecture (MCA) network supporting 802.1X authentication, what aspect of WLAN design affects client roaming efficiency and effectiveness?
- A. Key caching protocols
- B. PHY standard used by client
- C. PHY standard used by the AP
- D. Cipher suite
正解：A
質問 # 42
A business traveler from North America is in Europe. The hotel only provides coverage in 2.4 GHz. The traveler connects to the hotel's SSID and notices an AP in the hotel room. However, the laptop reports a very low RSSI when connected. The traveler does not have the same problem when connecting in the lobby. What would be the most likely cause of the low RSSI in the hotel room?
- A. The AP in the room is using Bluetooth instead of Wi-Fi.
- B. The AP in the room is transmitting on channel 13 and the traveler associated to a non-channel 13 AP located elsewhere.
- C. The switchport that the AP is connected to is only capable of transmitting at 10 Mbps.
- D. The AP in the room is using ZigBee instead of Wi-Fi.
正解：B
質問 # 43
Why should band steering algorithms allow stations to connect to the 2.4 GHz band after some number of ignored Probe Requests?
- A. Because the FCC requires it.
- B. Because the AP will experience a buffer overflow if they do not eventually respond with a Probe Response.
- C. Because the 802.11 standard requires it.
- D. Because some clients are persistent clients that will not move on to the 5 GHz band.
正解：D
質問 # 44
Given: A WLAN controller is connected to ABC Company's core layer 3 Ethernet switch with an IEEE
802.1Q trunk connection. The WLAN
controller's native
VLAN is VLAN 6 and its IP address is 10.0.14.2 /24. Lightweight APs supporting centralized forwarding are connected to the network on VLANs 7,
8, and 9, and they each build a Layer 3 tunnel back to the WLAN controller's IP address.
The dynamically assigned IP addresses received by each AP from a DHCP server will be ________________.
- A. Associated with the native VLAN of the WLAN controller.
- B. Associated with a non-routable VLAN until the MAC address of the AP is removed from the controller's MAC filter
- C. Associated with VLAN 1, the default VLAN for new APs
- D. Associated with the VLAN on which they are connected.
正解：D
質問 # 45
What limitation exists when WMM is not enabled on an 802.11n WLAN?
Response:
- A. The maximum channel-width will be 20MHz
- B. EDCA values will change
- C. Only two ACs will be available
- D. 802.11 QoS will not be available
正解：D
質問 # 46
Which type of authentication and encryption method is mandatory for Voice Enterprise certified devices as specified by the Wi-Fi Alliance?
- A. WPA2/AES Enterprise
- B. WPA/TKIP Personal
- C. WPA2/TKIP Enterprise
- D. WPA2/AES Personal
正解：A
質問 # 47
What strategy can be used to ensure efficient cell overlap for VoIP site surveys?
Response:
- A. Increase the output power of the radio in all APs.
- B. Install higher gain antennas in the APs.
- C. Measure the percentage of cell overlap using the cell overlap feature in the site survey software.
- D. Ensure at least two APs can be seen with appropriate signal strengths from each location.
正解：C
質問 # 48
After deploying a 5 GHz-only WLAN infrastructure in the USA, using 20 MHz channel-widths and all 25 available channels, one of the managers of the company brings his 802.11n tablet to the office to test the Guest SSID. While testing, there were several spots where we would get poor RSSI (below -80dBM) or none at all. You checked the WLAN infrastructure and all APs are up and running and you've validated coverage after deployment. What is causing this issue?
- A. His tablet does not support one or more of the 5 GHz channels
- B. His tablet only supports a 40 MHz channel-width
- C. His tablet doesn't support the 5 GHz band
- D. His tablet doesn't support MU-MIMO
正解：D
質問 # 49
In your company's WLAN, you expect to have a mixed client PHY environment and plan to use protection mechanisms. The protection mechanism used by your client devices is configurable.
What is the best protection mechanism for backward compatibility of 802.11n devices with 802.11b devices?
Response:
- A. RTS/CTS
- B. SMPS
- C. CTS-to-Self
- D. Dual-CTS
- E. WMM Protection
正解：A
解説：
RTS/CTS is the best protection mechanism for backward compatibility of 802.11n devices with 802.11b devices because it prevents collisions and interference between different modulation types. 802.11n devices use OFDM, while 802.11b devices use DSSS. These two modulation types are not compatible with each other, but they can coexist in the same environment if they use protection mechanisms to avoid overlapping transmissions. RTS/CTS is a protection mechanism that requires a station to send a Request to Send (RTS) frame before transmitting data, and wait for a Clear to Send (CTS) frame from the receiver or the access point.
The RTS and CTS frames are sent at a clause 15 (DSSS) or clause 18 (HR/DSSS) rate, which can be understood by both 802.11n and 802.11b devices. The RTS and CTS frames also contain a duration field that indicates how long the data transmission will last. This way, other stations can defer their transmissions until the channel is clear. RTS/CTS reduces the chances of collisions and hidden node problems, and improves the performance and reliability of the wireless network. References: CWNP, CWDP Certified Wireless Design Professional Official Study Guide, How 802.11n backward compatibility works
質問 # 50
After importing a floor plan to a predictive design tool, what should be done prior to adding APs, antennas and attenuators (e.g., walls)?
- A. Set the transmit power for all APs
- B. Calibrate the floor plan to increase accuracy
- C. Nothing; just begin by adding APs, antenna and attenuators
- D. Add pictures of the environment
正解：B
質問 # 51
After designing a WLAN infrastructure using predictive design software. What's the best way to validate the predictive design in the physical space before deployment, if time and budget allow for it?
Response:
- A. Deploy all of the APs as they're shown in the predictive design and perform a passive site survey.
- B. Deploy all of the APs as they're shown in the predictive design and perform an active site survey.
- C. Use a client device positioned where the APs will be installed and measure the signal from the client device.
- D. Perform an AP-on-a-Stick survey using AP locations based upon the predictive design to confirm each AP's placement.
正解：C
質問 # 52
A museum wants to offer Wi-Fi to its visitors. One of their requirements is to have the APs blend into the design of the museum. What should you do to meet this requirement?
Response:
- A. Lock the AP inside of a metal box
- B. Use a plastic cover that could blend in with the environment
- C. Use an 802.11b AP, so it looks old enough to be in a museum
- D. Place the APs in between walls and I-beams
正解：B
質問 # 53
An associated STA detects a new BSS with the same SSID as the STA's current BSS. The new BSS uses a different IP subnet than the current BSS.
If the STA is configured to use 802.1X/EAP preauthentication, what is likely to occur?
- A. The STA will not attempt to preauthenticate because the new BSS uses a different IP subnet.
- B. The STA will attempt to preauthenticate, but fail because the new BSS uses a different data-link broadcast domain.
- C. The STA will attempt to preauthenticate and succeed if DHCP is supported on the new subnet.
- D. The STA will attempt to preauthenticate and succeed if IP Mobility is enabled on the AP or WLAN controller.
正解：B
質問 # 54
What is the purpose of DHCP Option 43, and how is it used with WLANs?
- A. It provides clients with a temporary IP address on a restricted VLAN until 802.1X authentication is completed. Then the client receives its long-term IP address.
- B. It supports vendor-specific IP address attributes for node discovery purposes. APs use Option 43 with vendor class identifiers to obtain the IP address of a centralized WLAN controller.
- C. It provides IP address bindings for specific network nodes that require long-term IP address assignments. WLAN controllers are configured to use Option 43 to receive long-term IP address leases that are centrally managed with DHCP.
- D. It integrates a DHCP server with AAA servers and user databases to dynamically assign IP addresses to client devices. During 802.1X, the AAA server uses
正解：B
質問 # 55
In an RSN requiring low-latency reassociations and no fast secure roaming protocols, what security solutions are ideal for protecting VoWiFi communication?(Choose all that apply.) Response:
- A. WPA2-Personal
- B. WPA2-Enterprise
- C. WPA-Personal
- D. 802.1X/EAP
- E. 802.1X/EAP
- F. WEP
正解：A、B、C、D
質問 # 56
Given: For this fill-in the blank question, each answer option contains an answer for the first and second blanks, separated by a dash "-". Choose the answer option that correctly fills in both blanks in the following sentence.
A WLAN may use 802.11 admission control to ________, and admission control requirements are configured separately for each ________.
- A. Identify voice-enabled wireless devices - AP radio (that is, 2.4 GHz or 5 GHz)
- B. Regulate the available bandwidth resources - Access Category
- C. Block stations with inadequate security parameters - SSID
- D. Mark ingress and egress frames with priority values - TCP/IP port
正解：B
質問 # 57
One of your customers plans on providing wireless coverage to a warehouse facility. After performing an initial walkthrough, you collect the following information:
The central part of the warehouse is between 400 and 600 feet (122 to 183 meters) from the warehouse switches mounted on the walls.
The warehouse storage is composed of metallic racks with varying inventory levels and contents, from electronics and plastic toys to food pallets and juice bottles.
Workers need basic data coverage from their working location, and are not highly mobile. They usually work from one single aisle, and their laptop is on a cart with wheels.
What would be your one recommendation to provide coverage to the central area of the warehouse?
- A. Position APs along the walls, and equip the APs with Yagi antennas to cover the central area.
- B. Install APs for client access in the central area and use a mesh backhaul link to connect to the DS.
- C. In this case, extend the cable length just beyond 328 feet (100 m) and position APs as close as possible to the central area of the warehouse.
- D. Equip workers laptops with a directional antenna and install APs less than 328 feet (100m) away from the switch.
正解：C
質問 # 58
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