[Mar-2023] Use Real CWNA-108 Dumps Free Sample Questions and Practice Test Engine
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WLAN Troubleshooting: 10%
In the last domain, your following skills will be tested:
- Establish and troubleshoot basic wireless problems.
- Explain and use basic troubleshooting tools utilized within WLANs;
What Next?
With the CWNA validation, you now have something powerful to include in your resume and start making applications to jobs that consider your skills. Also, it's time to reinforce your present skills by reaching for any of the three professional certificates offered by CWNP. They are the CWSP, CWDP, and CWAP certificates. Also, don't forget to keep the validity of your current certification by renewing it at the end of the 3-year period.
Conclusion
The CWNA certification is the foundational level that candidates can obtain if they want to get knowledge of how to manage and deploy wireless LAN infrastructure. Therefore, using the right resources to pass the CWNP CWNA-108 exam will help the candidates get this certificate and be eligible for higher-level validations.
NEW QUESTION 32
You are attempting to locate the cause of a performance problem in two WLAN cells in a mostly overlapping coverage area. You note that one AP is on channel 1 and the other is on channel 2.
When you document yoy findings, what term do you use to describe the problem in this configuration?
- A. CCI
- B. ACI
- C. Non-Wi-Fi interference
- D. Bluetooth interference
Answer: B
Explanation:
Adjacent channel interference is more serious and occurs when 2 or more AP's are on overlapping channels, for example channel 1 + 4 on the 2.4Ghz band. ACI creates overlap in the frequency space causing corrupted data and layer 2 re-transmissions.
NEW QUESTION 33
When antenna gain is reported in dBI, the gain of the antenna is compared to what theoretical antenna?
- A. Yagl
- B. Dipole
- C. Rubber ducky
- D. Isotropic radiator
Answer: D
Explanation:
https://www.cwnp.com/forums/posts?postNum=292616
NEW QUESTION 34
An 802.11 WLAN transmitter that emits a 50 mW signal is connected to a cable with 3 dB of loss.
The cable is connected to an antenna with 16 dBi of gain.
What is the EIRP power output?
- A. 500 mW
- B. 1000 mW
- C. 2 W
- D. 250 mW
Answer: B
NEW QUESTION 35
In an 802.11 2.4 GHz system, what 22 MHz channels are considered non-overlapping?
- A. 7 and 11
- B. 4 and 6
- C. 2 and 8
- D. 1 and 5
Answer: B
NEW QUESTION 36
You are troubleshooting a client issue on a Windows laptop. The laptop can see and connect to
2.4 GHz APs, but it does not even see 5 GHz APs. While evaluating the issue, you determine that this problem is happening for all of the laptops of this model in the organization. Several other tablets connect on channel 48 and channel 52 in the same work areas. What is the likely problem?
- A. The antennas in the laptops have insufficient gain to detect the 5 GHz signals
- B. The client drivers are faulty and should be upgraded
- C. The access points are configured to disallow 5 GHz
- D. The clients are configured to use WPA and 5 GHz channels only support WPA2
Answer: A
NEW QUESTION 37
Which directional antenna types are commonly used by indoor Wi-Fi devices in a MIMO multiple spatial stream implementation?
- A. Dipole and yagi
- B. Patch and panel
- C. Grid and sector
- D. Dish and grid
Answer: A
NEW QUESTION 38
What statement describes the authorization component of a AAA implementation?
- A. Implementing a WIPS as a full-time monitoring solution to enforce policies.
- B. Granting access to specific network services or resources according to a user profile.
- C. Verifying that a user is who he says he is.
- D. Validating client device credentials against a database.
Answer: B
NEW QUESTION 39
You are troubleshooting a problem with interference from a non-802.11 device. Given that the device is not a WLAN device, you cannot use a protocol analyzer and have chosen to use a spectrum analyzer. You want to view the signal from the interfering device over time to see the activity that is generating.
What common spectrum analyzer view should you use for this analysis?
- A. Real-time FFT
- B. Waterfall/Spectrogram
- C. Clients
- D. APs
Answer: B
Explanation:
Explanation
NEW QUESTION 40
Option 43 must be configured to allow access points to locate controllers. In what network service should this option be configured?
- A. DHCP
- B. LDAP
- C. DNS
- D. RADIUS
Answer: A
NEW QUESTION 41
When performing a validation survey for a Multiple Channel Architecture (MCA) system in a multi- tenant building with five floors, what aspect should you, as the surveyor, keep in mind?
- A. The Fresnel Zone is completely blocked between floors so each floor is considered a separate site survey
- B. The channel reuse pattern should be three dimensional with the RF cell extending coverage of each access point to other floors
- C. The RF interference caused by passing airplanes supporting on-board Wi-Fi should be a prime consideration
- D. The omni-directional antennas of the access points should be oriented parallel to the floor to maximize the coverage pattern across as many floors as possible
Answer: B
NEW QUESTION 42
The requirements for a WLAN you are installing state that it must support unidirectional delays of less than 150 ms and the signal strength at all receivers can be no lower than -67 dBm. What application is likely used that demands these requirements?
- A. FTP
- B. E-Mail
- C. RTLS
- D. VoIP
Answer: D
NEW QUESTION 43
When implementing PoE, what role is played by a switch?
- A. PD
- B. PSE
- C. Power splitter
- D. Midspan injector
Answer: B
NEW QUESTION 44
What term correctly completes the following sentence?
802.11a/b/g used a mandatory 800ns guard interval. 802.11n introduced an optional short 400ns guard interval. Guard intervals (GI) are necessary in OFDM to reduce the likelihood of interference between two consecutive ____________.
- A. Segments
- B. Frames
- C. Bits
- D. Packets
- E. Symbols
- F. Bytes
Answer: E
NEW QUESTION 45
The IEEE 802.11-2012 standard requires VHT capable devices to be backward compatible with devices using which other 802.11 physical layer specification (PHY)?
- A. OFDM
- B. DSSS
- C. HR/DSSS
- D. ERP-PBCC
Answer: A
NEW QUESTION 46
What ID is typically mapped to an AP's MAC address if a single BSS is implemented?
- A. Device ID
- B. BSSID
- C. SSID
- D. VLAN ID
Answer: B
NEW QUESTION 47
What factors will have the most significant impact on the amount of wireless bandwidth available to each station within a BSS?
- A. The power management settings in the access point's beacons
- B. The presence of co-located (10m away) access points on non-overlapping channels
- C. The number of client stations associated to the BSS
- D. The layer 3 protocol used by each station to transmit data over the wireless link
Answer: C
NEW QUESTION 48
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