Real CWNP CWDP-304 Exam Questions Study Guide
Updated and Accurate CWDP-304 Questions for passing the exam Quickly
NEW QUESTION # 59
When implementing WLAN security according to common best practices, what feature should be enabled when configuring an EAP type?
Response:
- A. The "Use WEP if RADIUS server unavailable" option
- B. The "Trusted Root Certification Authorities" list
- C. The "Do not prompt user to authorize new servers or trusted certification authorities" option
- D. The "Validate server certificate" option
Answer: D
NEW QUESTION # 60
What are some advantages of designing guest access with all guest users tunneled directly into the DMZ?
Response:
- A. The border firewall configuration will not require any additional rules to pass guest traffic to the DMZ controller
- B. Minimizes configuration requirements for segmentation and filtering of guest traffic across internal LAN
- C. Enhances performance of web proxy servers in the DMZ for guest Internet traffic
- D. Allows a single SSID with different authentication/encryption models to be used for all WLAN services for corporate users and guests
Answer: B
NEW QUESTION # 61
What statement is true of a WLAN design that supports Real-Time Location Services (RTLS) with 802.11 RFID asset tags?
- A. Active RFID tags periodically transmit 802.11 beacon management frames that must be synchronized with the AP for proper location of the tagged asset.
- B. When passive tags are implemented, the AP density should be increased by 25% to make up for the shorter transmit range of passive tags as compared to active tags.
- C. With passive tags, AP transmit gain should be increased to supply extra power for near-field coupling or backscatter modulation from the tag to the AP since the passive tag lacks an internal power source.
- D. Passive tags do not communicate directly with the WLAN infrastructure, but instead they rely on the tag reader to communicate tag information to the
Answer: D
NEW QUESTION # 62
What metric implements the simplest algorithm and lowest accuracy in networks requiring locations?
- A. Time Difference of Arrival (TDoA)
- B. Time of Arrival (ToA)
- C. Received Signal Strength Indicator (RSSI)
- D. Angle of Arrival (AoA)
Answer: C
NEW QUESTION # 63
What is the chip rate of 1 Mbps 802.11b?
Response:
- A. 11 Mchips/s
- B. 2 Mchips/s
- C. 22 Mchips/s
- D. 1 Mchip/s
Answer: A
NEW QUESTION # 64
Why does a frame transmitted at 1 Mbps have a greater usable range than the same frame transmitted at 54 Mbps?
- A. Lower data rate RF transmissions travel at higher speeds and are less likely to experience collisions.
- B. To improve reliability, 802.11 STAs increase transmit power as the signaling rate decreases.
- C. Free space path loss causes greater signal dispersion for higher rate transmissions.
- D. Receiver sensitivity requirements are lower for frames transmitted with less complex modulation and coding.
Answer: D
NEW QUESTION # 65
You desire to achieve a 450 Mbps MCS. What 802.11n features (from the numbered list below) are required?
1. Frame aggregation
2. Short GI
3. 40 MHz channels
4. 2 spatial streams
5. 3 spatial streams
6. Transmit beamforming (TxBF)
- A. 1, 2, 3, 5
- B. 1, 2, 3, 4, 6
- C. 2, 3, 5
- D. 2, 3, 2
Answer: C
NEW QUESTION # 66
When selecting a centralized WLAN architecture, what new problem may arise when you change the data forwarding model from centralized to distributed?
- A. APs that were designed for a centralized forwarding model may not support all features in distributed forwarding mode.
- B. All RRM controls will also need to be distributed to a master AP that acts as a channel and transmit power arbiter for other APs in the ESS.
- C. The router between the APs and the controller must be made aware of the APs as forwarding client STAs.
- D. Centralized control functions, such as key management and distribution, RRM, and load balancing will no longer be supported.
Answer: A
NEW QUESTION # 67
For what types of systems should you request read-only access to in order to perform an analysis of the customer's existing infrastructure?(Choose all that apply.) Response:
- A. RADIUS
- B. Clients
- C. Switches
- D. Active Directory
- E. Routers
Answer: C,E
NEW QUESTION # 68
What VoWiFi implementations frequently require multicast packet delivery support by the WLAN infrastructure?
- A. All VoWiFi soft phones
- B. All VoWiFi implementations
- C. All VoWiFi hard phones
- D. Push-to-Talk VoWiFi phones
Answer: D
NEW QUESTION # 69
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 and succeed if DHCP is supported on the new subnet.
- C. The STA will attempt to preauthenticate and succeed if IP Mobility is enabled on the AP or WLAN controller.
- D. The STA will attempt to preauthenticate, but fail because the new BSS uses a different data-link broadcast domain.
Answer: D
NEW QUESTION # 70
Your customer requires fast secure roaming. Which two types of roaming are specified in 802.11-2016 FT roaming that will help meet this goal?
- A. FT and TKIP
- B. FT and OKC
- C. Over-the-Air and Over-the-DS
- D. Over-the-Air and Over-the-Wire
Answer: C
NEW QUESTION # 71
What document is typically created to launch a project?
- A. Work Breakdown Structure
- B. Project Charter
- C. Budget
- D. Bill of Materials
Answer: B
NEW QUESTION # 72
For what types of systems should you request read-only access to in order to perform an analysis of the customer's existing infrastructure?(Choose all that apply.) Response:
- A. RADIUS
- B. Clients
- C. Switches
- D. Routers Directory
- E. Active Directory
- F. Routers
Answer: C,F
NEW QUESTION # 73
Given: You are evaluating the theoretical and real-world RF gain benefits of transmit and receive features introduced by 802.11 with MIMO. This exercise allows you to quantify the features value in a real-world environment.
What is the maximum theoretical signal gain of chip-based TxBF and MRC (as features) when compared to the same AP using only a single antenna for transmit and receive (effectively simulating a 1x1 chip)?
- A. 2 Rx or Tx chains = 3 dBi gain 3 Rx or Tx chains = 6 dBi gain 4 Rx or Tx chains = 9 dBi gain
- B. 2 Rx or Tx chains = 3 dBi gain 3 Rx or Tx chains = approx 5 dBi gain 4 Rx or Tx chains = 6 dBi gain
- C. 2 Rx or Tx chains = 1 dBi gain 3 Rx or Tx chains = 2 dBi gain 4 Rx or Tx chains = 3 dBi gain
- D. 2 Rx or Tx chains = approx 4-6.5 dBi gain 3 Rx or Tx chains = approx 7-10 dBi gain
Answer: D
Explanation:
The maximum theoretical signal gain of chip-based TxBF and MRC depends on the number of antennas and the channel conditions. TxBF (transmit beamforming) is a technique that focuses the transmitted signal in the direction of the intended receiver, resulting in higher signal strength and less interference. MRC (maximum ratio combining) is a technique that combines the signals received by multiple antennas in an optimal way, resulting in higher signal-to-noise ratio and better performance. The theoretical gain of TxBF and MRC can be calculated as GTxBF=10log10(N) and GMRC=10log10(N) where N is the number of antennas. Therefore, the total gain of TxBF and MRC is Gtotal=GTxBF+GMRC=20log10(N) However, this is the ideal case and assumes perfect channel conditions and alignment. In reality, the gain is lower due to factors such as channel fading, antenna spacing, and feedback delay.According to the CWDP study guide1, the typical gain of TxBF and MRC is about 4-6.5 dBi for 2 antennas, 7-10 dBi for 3 antennas, and 10-13 dBi for 4 antennas.Therefore, the answer is D.References:1: CWDP Certified Wireless Design Professional Official Study Guide: Exam PW0-250, Chapter 8, page 267.
NEW QUESTION # 74
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