Test Online CWDP-305 Dumps Questions to Be Certified

1. Your customer's 802.11n laptops are not able to see the SSID in the 5 GHz band in the conference room. When doing a walkthrough using one of these laptops, you confirm that it is unable to see the SSID in the 5 GHz band in the conference room. When using your own 802.11 ac laptop, you're able to see the SSID.

What is the most likely cause of this problem?

2. What is the most suitable antenna option to be used when designing a WLAN infrastructure with APs mounted on a ceiling with a height of more than 20 feet and having all of the client stations used from the floor?

3. When deploying access points (APs) outdoors, which additional component needs to be used that is typically not required in most indoor office deployments?

4. When installing access points (APs) on high ceilings, what is the most common personal protective equipment (PPE) that should be used?

5. 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?

6. You have initiated a site survey to be performed and the team has been onsite and is halfway through gathering the necessary data.

The project sponsor just asked you to make sure the WLAN supports radio frequency identification (RFID) location tracking.

How would you possibly characterize this situation? A. Scope creep has occurred.

B. The 802.3af RTLS standard should be incorporated into the AP configuration.

C. The 802.11g standard incorporates location tracking.

D. Any WLAN will support location tracking.

E. The power requirements on the UPS need to be evaluated.

Answer: A



27 1. Name the audience type not addressed in this chapter for HLDs.

7. During lunch time in the break room of a company, Wi-Fi connectivity on the 2.4 GHz band is intermittent. Every other time of the day, it works fine.

What's the likely cause of this issue?

8. What happens when you double the channel width (for example, use channel bonding) in a BSS?

9. Given: As the wireless network administrator for XYZ Company, you are planning to upgrade your aging wireless network infrastructure, as well as some clients, to support 802.11ac.

In your research, you have discovered that your new wireless client devices and infrastructure are 802.11ac, WMM, and WMM-PS certified by the Wi-Fi Alliance. Some of your existing client devices are 802.11a/b/g devices that do not support WMM.

Given this information, what scenario is possible when your company's employees begin using both types of client devices on the new WLAN?

10. In high-density environments, such as stadiums and convention centers, what extra factor has to be taken into account that can attenuate Wi-Fi signals when these environments are having an event?

11. You are site surveying a network for VoWiFi. You have positioned an AP for a manual survey and are moving away from the AP with a phone in Survey Mode in your hand and you are reading the RSSI value of the signal received from the AP. You have previously determined that the noise floor was approximately -94 dBm on this floor of the building. The phones documentation does not specify a recommended RSSI or SNR value for best performance.

Based on the information provided and the type of device (VoWiFi phone) you are deploying, what minimum RSSI should you plan for in all areas you are monitoring and where VoWiFi service is desired?

12. What factors are key features when designing a guest network for a large enterprise? (Choose all that apply.)

13. When performing a frame capture over the air during a voice call, you notice that frames in the downlink direction (from the AP to the client) are not being transmitted with the correct UP (User Priority) value for voice frames, but in the uplink direction (from the client to the AP), they are transmitted correctly.

What is the likely cause of this issue?

14. A table of VLANs in a _________ document should include what device performs ________ services. (Fill in the blanks)

15. While configuring your site survey software for an upcoming manual survey project, you notice the configuration option for "Network Card Simulation".

What is the purpose of such a feature and when would you use it?

16. After importing a floor plan to a predictive design tool, what should be done prior to adding APs, antennas and attenuators (e.g., walls)?

17. What important item is often left out of operational and maintenance plans?

18. What inexpensive tool is capable of locating neighbor WLANs if that is your only need?

19. What single tool, by design can be used to verify channel selection, encryption in use and number of APs above a specified signal threshold in a given location during deployment?

20. What differences exist between VLANs in wireless and wired domains?

21. 1.When designing a Wi-Fi-based WLAN to support voice in a large office, which design element is of the highest concern for performance?

22. An MSA commonly addresses at least which two legal categories?

23. The thermal noise is at −174 dBm/Hz. A spectrum analyzer has a resolution bandwidth of 1 kHz and a 5 dB noise figure.

What is the level of the noise floor? A. −174 dBm

B. −139 dBm

C. −144 dBm

D. −204 dBm

24. 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 ________.

25. Which type of building material causes the most attenuation of Wi-Fi signals'?

26. What limitation exists when WMM is not enabled on an 802.11n WLAN?

27. In the enterprise, when is WPA/WPA2-Personal generally a recommended solution? (Choose all that

apply.)

28. The thermal noise is at −174 dBm/Hz. A spectrum analyzer has a resolution bandwidth of 1 kHz and a 5 dB noise figure.

What is the level of the noise floor? A. −174 dBm

B. −139 dBm

C. −144 dBm

D. −204 dBm

29. You are creating an outdoor bridge link that spans more than 1000 yards.

Which one of the following antenna types is more likely to be included in

the design?

30. You are configuring an 802.11ac AP using manual channel planning. The design specification calls for the current AP to be placed on channel 56 in 5 GHz and to disable the 2.4 GHz radio.

For what could the 2.4 GHz radio be used if not standard AP operations?

31. What strategy can be used to ensure efficient cell overlap for VoIP site surveys?

32. Your customer has selected switches that support 802.3bz MultiGig interfaces and 4x4:4 802.11ac Wave 2 APs with dual-5GHz capabilities. The APs have one MultiGig interface, and some cable runs will exceed 180.5 feet (55 meters).

To support MultiGig speeds, which is the best cabling option?

33. A North American business traveler connects to a hotel's 2.4 GHz SSID in Europe and notices low RSSI from an AP in the room, but experiences no issues with RSSI in the lobby.

What is the most likely reason for the low RSSI in the room?

34. What best describes ensuring coverage requirements in a deployed WLAN?

35. Why should band steering algorithms allow stations to connect to the 2.4 GHz band after some number of ignored Probe Requests?

36. When installing a cloud-based AP, what is the most common process used?

37. To increase capacity in a coverage-based wireless network, which of the following techniques are typically recommended? (Choose all that apply.)

38. ABC Manufacturing has a heavily-used dual-band (2.4 / 5 GHz) WLAN, but sporadic RF interference across the 2.4 GHz band is causing dropped VoWiFi calls and leading to data connectivity and throughput problems.

In addition to avoiding 2.4 GHz channels and installing a distributed spectrum analyzer to locate RF interference sources, what should the implementer do to resolve the problem fully?

39. When preparing a floor plan graphic for use in predictive and manual site surveying, what calibration method will lead to the most accurate and reliable RF data?

40. What is the minimum PoE budget needed on a switch to support 6 (six) APs that can only be powered using IEEE 802.3at if no other details are provided?

41. While implementing 802.11ax APs in the 6 GHz band, a consultant recommends using WPA2-Personal for VoIP support.

Why is this approach technically inappropriate?

42. In a large enterprise (5000+ wireless users), by what would NOT be a recommended method by which IP addresses and VLANs are assigned to different clients associated to the same AP?

43. What operational plane would a WNMS primarily interact with?

44. 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?

45. Which type of authentication and encryption method is mandatory for Voice Enterprise certified devices as specified by the Wi-Fi Alliance?

46. What document is typically created to launch a project?

47. What is the purpose of Friis transmission equation [ (LdB) = 20 log(d) + 20 log (f) - 27.55 ]?

48. Which advantage provided by 802.11n and 802.11ac is not usable in 1x1:1 low-end client devices?

49. A WLAN that you designed has been deployed in one area, users ate complaining that the network performs poorly. When you analyze the area you see that a new interferer has been introduced that was not there during the pre-design survey You've been informed that the interferer cannot be removed as it is an essential loT device.

What action do you recommend?

50. 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?

51. What is the most appropriate antenna which will require the least Intentional Radiator power for a point-to-point bridge link spanning 1200 meters?

52. During a validation site survey, you discover that some access points (APs) have been mounted above the ceiling due to an aesthetic request from the building architect. However, no aesthetics constraints were communicated during the requirements gathering from the main stakeholder of the project.

What is the appropriate course of action?

53. When designing a wireless bridge to connect two offices 13 kilometers (approximately 8 miles) apart, which factor must the Wireless Engineer consider to account for Fresnel Zone clearance?

54. What are some significant drawbacks that are present with WPA/WPA2-Enterprise that are not present with WPA/WPA2-Personal? (Choose all that apply.)

55. A customer wants to deploy a WLAN that employs centralized forwarding.

What LAN requirements should you look for?

56. What roaming technology uses stored keys at the APs for roam back if a client STA returns after having roamed away?

57. Who should be present from the customer side during the final meeting after successfully implementing a WLAN infrastructure?

58. What is the most cost-effective way to accurately measure the height of a ceiling when the use of a ladder is not permitted?

59. During your first pre-deployment meeting with the deployment team, you hand out the full design documentation to all of them.

What's your primary goal during this meeting?

60. Prior to meeting with the customer for the first time, you should do which of the following?

61. What method improves throughput in a low SNR environment?

62. Before performing a pre-deployment passive RF survey of a new deployment using survey mapping software, which of the following must be performed?

63. 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)?

64. You are validating client association capabilities 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 being used. None of the clients can associate with the SSID. After verifying that both the server and the RADIUS service are operational, you find that the authenticator (such as the AP or controller) is not communicating properly with the RADIUS server.

What is your next troubleshooting step?

65. ABC Company has a WLAN controller with 10 controller-based APs; the Voice SSID is configured for centralized data forwarding. Each AP is connected to an access port on a layer-2 Ethernet switch. Each layer-2 switch is uplinked to a single layer-3 core Ethernet switch. The WLAN controller is connected directly to the layer-3 core Ethernet switch. Layer-3 tunnels are created between all controller-based APs and the WLAN controller. A voice server is connected to the layer-3 Ethernet switch.

When a voice-enabled QoS STA sends an IP data packet to a voice server in this scenario, the DSCP value carried in the STA's IP data packet gets mapped to what and by which device?

66. When deploying a new WLAN infrastructure using PoE to power the APs, you realize that a known good AP is not powering up. You use the same cable to connect your laptop and connect without any trouble.

What is the most likely reason the AP did not power up?

67. 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.)

68. Aesthetics are very important in some environments.

What common installation technique can be used to best meet this requirement in a stadium?

69. What commonly causes a client-to-AP link imbalance?

70. Which document provides detailed instructions for installation technicians on how to properly mount and configure access points (APs)?

71. When implementing multiple SSIDs to what is each SSID typically mapped in order to provide traffic management separately for each SSID?

72. For an antenna 35 dBi of gain is needed.

What antenna type should be used to achieve this gain?

73. What architecture suffers the biggest limitation for sharing control information across APs?

74. What is the meaning of a Real Time FFT graph?

75. When creating a long-distance bridge link, it is important to know the channels in use by other networks on both ends of the link and within a reasonable range It is not as Important to know the channels in use in the middle area of the link.

Why is this the case?

76. What kind of site survey helps you identify if roaming is working as designed?

77. Which vertically polarized antenna is best suited for a WLAN infrastructure with access points mounted on a ceiling over 6 meters high, where all client stations operate from the floor level?

78. 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?

79. What frequency and power did 802.11y provide?

80. During a public Wi-Fi session with 10 other users, you run a ping sweep but cannot detect any devices on your subnet.

What feature is likely enabled on the WLAN infrastructure to prevent local communication between clients?

81. After successfully deploying and validating a WLAN intra structure, who should be trained for a better understanding and management of the solution? (Choose the single best answer)

82. Which of the following items could be considered constraints when performing a network design? (Choose all that apply.)

83. What statement is true of a WLAN design that supports Real-Time Location Services (RTLS) with 802.11 RFID asset tags?

84. During a post-deployment verification, you are requested to troubleshoot an area where users are experiencing poor throughput. They are using data communication only, mainly from laptops. You captured the frame showing an incorrect FCS. This frame is typical of those that were captured by the analyzer.

What does this frame reveal about the RF network in this area?

85. A designer has created a WLAN design that has been implemented in an organization. The network exists in a four-story building Because each floor has an Identical floor plan, the designer designed only one floor and had the installers duplicate the design on each floor. Now. in validation, it is not performing well.

What best explains the problem caused by this process?

86. You are designing a WLAN and nave been asked to recommend a security solution for the network The organization requires that 802 1X/EAP be implemented, but they do not have a PKI and do not wish to deploy one They suggest that mostly Windows clients. Apple phones and Android phones will be used.

What do you recommend?

87. You are on site, planning a network at a freight shipping company on a busy harbor. Since the preliminary WLAN design specifies support for the 5 GHz spectrum, you would like to test for radar pulses to determine if DFS channels should be supported at this facility. As a part of your spectral survey with a laptop-based analyzer, you include DFS testing to identify the presence of radar. This is done by manually observing Real-time FFT, Duty Cycle, and Active Devices charts of the spectrum analyzer software.

What potential drawback is present with this DFS test method?

88. When using a predictive design tool, you have selected APs with an antenna gain 3 dBi and set the transmit power of the predicted APs to 25 mW.

What should be EIRP of the APs in the design?

89. In most WLAN design tools, after defining project parameters or during the project creation wizard what action will you take before you can begin the actual design process?

90. While performing a validation site survey, you realize that overlapping channels are being used on the 2.4 GHz bad due to the automatic channel assignment algorithm of the WLAN infrastructure.

What should you do to prevent this?