[2023] Practice with these CWNA-108 dumps Certification Sample Questions
Get Instant Access of 100% REAL CWNA-108 DUMP Pass Your Exam Easily
WLAN Design Concepts & Network Architecture: 15%
This module will cover the following knowledge that you need to gain before going for the certification test:
- Explain the design considerations for standard deployment settings within wireless, including roaming considerations, coverage prerequisites, capacity, security, and throughput;
- Demonstrate the awareness of fundamental proprietary features within wireless networks;
- Define and explain the advantages, constraints, and differences of various wireless LAN architectures;
- Establish and configure the required network services that support a wireless network.
- Explain and execute PoE (Power over Ethernet) 802.3bt, 802.3at, AND 802.3af;
Target Audience for CWNA-108 Test
This test is developed for admins in wireless technology who wish to gain solid experience in WLAN technology, how it works, and how it is managed.
Understanding functional and technical aspects of CWNA® - Certified Wireless Network Administrator Security Principles and Practices
The following will be discussed in CWNP CWNA-108 exam dumps:
- Beamwidths
- Semi-directional antennas
- Amplification
- Transmit Beamforming (TxBF)
- Attenuation
- Wavelength, frequency, amplitude, phase, sine waves
- Maximal Ratio Combining (MRC)
- Explain and apply the functionality of RF antennas, antenna systems, and accessories available
- Noise floor
- Absorption
- SNR
- dBm and dBi
- Polarization
- Omni-directional antennas
- Voltage Standing Wave Ratio (VSWR)
- Watt and milliwatt
- Passive gain
- MIMO
- Radio chains
- CWNP
- Identify RF signal characteristics as they relate to antennas
- Reflection, refraction, diffraction and scattering
- RF cables and connectors
- Define and explain the basic characteristics of RF and RF behavior (CHAPTER 2)
- Antenna orientation
- Highly directional antennas
- Antenna diversity types
- Return Loss
- Free Space Path Loss (FSPL)
- Gain and loss
- dBm to mW conversion rules of 10 and 3
- Reading Azimuth and Elevation charts for different antenna types
- Spatial multiplexing (SM)
- RF propagation and coverage
- RSSI
NEW QUESTION 65
You support a WLAN using dual- band 802.11ac three stream access points. All access points have both the 2.4 GHz and 5 GHz radios enabled and use 40 MHz channels in 2.4 GHz. A manager is concerned about the fact that each access point is connected using a 1 Gbps Ethernet link. He is concerned that the Ethernet link will not be able to handle the load from the wireless radios. What do you tell him?
- A. His concern is valid and the company should immediately plan to run a second 1 Gbps Ethernet link to each AP.
- B. His concern is invalid because the AP will compress all data before transmitting it onto the Ethernet link.
- C. His concern is valid and the company should upgrade all Ethernet link to 10 Gbps immediately.
- D. Due to 802.11 network operations and dynamic rates used by devices on the network, the two radios will likely not exceed the 1 Gbps Ethernet link .
Answer: C
NEW QUESTION 66
When using a spectrum to look for non Wi-Fi interference sources, you notice significant interference across the entire 2.4 GHz band (not on a few select frequencies) within the desktop area of a users workspace, but the interference disappears quickly after just 2 meters. What is the most likely cause of this interference?
- A. Unintentional radiation from the PC power supply
- B. Bluetooth devices in the user's work area
- C. Excess RF energy from a nearby AP
- D. USB 3 devices in the user's work area
Answer: A
NEW QUESTION 67
What statement about 802.11 WLAN performance is true?
- A. In most WLANs, no special skill or tuning is required to get peak performance
- B. In modern networks, both centralized and distributed data forwarding work well for most standard office deployments
- C. To get the best performance out of an AP, you should disable data rates of 72 Mbps and lower
- D. WLANs perform better as more wireless clients connect with each AP
Answer: C
NEW QUESTION 68
You are troubleshooting an issue reported by several wireless users. The problem is contained to one cell (several users connected to the same AP). You manage the WLAN and no other network devices. After analysis it appears to be a switch problem. What action should be taken?
- A. Document the results and close the case
- B. Escalate the problem to the network administration team
- C. Escalate the problem to the wireless vendor support staff
- D. Create a plan of action and implement it
Answer: B
NEW QUESTION 69
What features are most often configurable within 802.11 WLAN client utilities? (Choose 2)
- A. AES key and block size
- B. Power management
- C. Roaming aggressiveness
- D. Co-channel interference threshold
- E. Frame generator utility
Answer: B,C
NEW QUESTION 70
You were previously onsite at XYZ's facility to conduct a pre-deployment RF site survey. The WLAN has been deployed according to your recommendations and you are onsite again to perform a post-deployment validation survey.
When performing this type of post-deployment RF site survey for voice over Wi-Fi. what is an action that must be performed?
- A. Protocol analysis to discover channel use on neighboring APs
- B. Spectrum analysis to locate and identity RF Interference sources
- C. Application analysis with an active phone call on a VoWiFi handset
- D. Frequency-band hopping analysis to detect improper RF channel implementations
Answer: B
NEW QUESTION 71
In an 802.11n WLAN with a heterogeneous set of associated client devices including 802.11b,
11g, and 11n, what HT protection mode will the BSS use?
- A. Mode 2: 20 MHz protection mode
- B. Mode 3: Non-HT mixed mode
- C. Mode 1: Nonmember protection mode
- D. Mode 0: No protection mode (Greenfield)
Answer: B
NEW QUESTION 72
What is always required to establish a high quality 2.4 GHz RF link at a distance of 3 miles (5 kilometers)?
- A. Grid antennas at each endpoint
- B. Accurate Earth Bulge calculations
- C. A minimum antenna gain of 11 dBi at both endpoints
- D. A Fresnel Zone that is at least 60% clear of obstructions
- E. Minimum output power level of 2 W
Answer: D
NEW QUESTION 73
What factor will have the most significant impact on the amount of wireless throughput available to each station within a BSS?
- A. The power management settings in the access point beacons
- B. The presence of co-located (10m away) access points on non-overlapping channels
- C. The Layer 3 protocol used by each station to transmit data over the wireless link
- D. The number of client stations associated to the BSS
Answer: D
NEW QUESTION 74
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. E-Mail
- B. VoIP
- C. FTP
- D. RTLS
Answer: B
NEW QUESTION 75
What advantages does using predictive site survey modeling software offer over performing a manual site survey? (Choose 2)
- A. Predictive modeling software makes it simple to assess multiple different AP locations and then adjust and display the AP's expected coverage pattern in almost real-time.
- B. Predictive modeling software can predict the ideal access point location 100% of the time, whereas the results from manual surveyingare less reliable.
- C. Predictive modeling software provides more reliable data than manual surveys when fine-tuning and validating access point placement after the installation.
- D. It takes less time to create an initial site survey for a large facility when using predictive modeling software than when performing a manual survey.
- E. The exact impact of interference sources from external networks can be more accurately measured when using predictive modeling software than with manual surveys.
Answer: A,D
NEW QUESTION 76
What component of the 802.11 standard allows stations to reserve access to the RF medium for a specified period of time?
- A. Short guard intervals
- B. RTS or CTS frames
- C. Probe Request frames
- D. DTIM Interval
- E. Listen Interval
Answer: B
NEW QUESTION 77
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. High density
- C. SOHO
- D. Residential
Answer: C
Explanation:
Explanation/Reference:
NEW QUESTION 78
What is an advantage of using WPA2-Personal instead of WEP-128 as a security solution for
802.11 networks?
- A. WPA2-Personal uses 802.1X/EAP for authentication, and WEP-128 uses preshared keys
- B. WPA2-Personal uses CCMP for encryption, and WEP-128 uses TKIP for encryption
- C. WPA2-Personal is based on IEEE 802.11 industry standards, but WEP is not
- D. WPA2-Personal uses dynamic encryption keys, and WEP-128 uses static keys
Answer: D
NEW QUESTION 79
You manage a WLAN with 100 802.1lac access points. All access points are configured to use 80 MHz channels. In a particular BSS, only 40 MHz communications are seen. What is the likely cause of this behavior?
- A. The AP is improperly configured to use only 40 MHz of the 80 MHz allocated bandwidth
- B. The clients are all 802.11n STAs or lower
- C. The short guard interval is also enabled
- D. All clients implement single spatial stream radios
Answer: A
NEW QUESTION 80
What standard is referenced in the 802.11-2016 specification and is recommended for robust WLAN client security?
- A. IPSec VPN
- B. 802.1X/EAP
- C. SSID hiding
- D. WEP
Answer: B
NEW QUESTION 81
Two co-located 802.11b/g/n APs can interfere with one another and cause contention and collisions, even when the two APs are operating on non-overlapping channels (e.g. 1 & 6).
What deployment flaw could cause this problem?
- A. A client station is using active scanning to probe for access points on multiple channels.
- B. Reflective objects in the area are causing significant multipath.
- C. The access points are not synchronized to the same NTP server.
- D. The access points are mounted too closely to one another.
Answer: D
NEW QUESTION 82
When compared with legacy Power Save mode, how does VHT TXOP power save improve battery life for devices on a WLAN?
- A. Legacy Power Save mode was removed in the 802.11ac amendment.
- B. VHT TXOP power save allows stations to enter sleep mode and legacy Power Save does not.
- C. VHT TXOP power save uses the partial AID in the preamble to allow clients to identify frames targeted for them.
- D. VHT TXOP power save allows the WLAN transceiver to disable more components when in a low power state.
Answer: C
NEW QUESTION 83
......
Free Exam Files Downloaded Instantly: https://www.guidetorrent.com/CWNA-108-pdf-free-download.html
CWNA-108 Free Exam Questions with Quality Guaranteed: https://drive.google.com/open?id=1i69MhYu2fILqnOD34aU2Mz2AOODQ47el