Ultimate Guide to Prepare CWNA-108 Certification Exam for CWNA Certification in 2021 [Q44-Q69]

Ultimate Guide to Prepare CWNA-108 Certification Exam for CWNA Certification in 2021

Use Real CWNA-108 Dumps - CWNP Correct Answers updated on 2021

NEW QUESTION 44
Which one of the following frequency ranges is not specified for use by IEEE 802.11 radios as of
802.11-2012?

A. 2.4000-2.4835 MHz
B. 5.15-5.25 GHz
C. 600-630 MHz
D. 5.725-5.874 GHz

Answer: C

NEW QUESTION 45
Which data rate is supported by 802.11g radios that is not supported by 802.11a radios?

A. 54 Mbps
B. 130 Mbps
C. 9 Mbps
D. 11 Mbps
E. 65 Mbps
F. 12 Mbps

Answer: D

NEW QUESTION 46
To ease user complexity, your company has implemented a single SSID for all employees.
However, the network administrator needs a way to control the network resources that can be accessed by each employee based on their department.
What WLAN feature would allow the network administrator to accomplish this task?

A. WPA2
B. RBAC
C. WIPS
D. SNMP

Answer: B

NEW QUESTION 47
What wireless networking term describes the increase of RF energy in an intentional direction with the use of an antenna?

A. Active Amplification
B. Beam Digression
C. Passive Gain
D. Directed Radiation

Answer: C

NEW QUESTION 48
What term correctly completes the following sentence?
In an IEEE 802.11 frame, the IP packet is considered by the MAC layer to be a(n) _________.

A. MAC Service Data Unit (MSDU)
B. PLCP Service Data Unit (PSDU)
C. MAC Protocol Data Unit (MPDU)
D. PLCP Protocol Data Unit (PPDU)
E. IP datagram

Answer: A

NEW QUESTION 49
What statement accurately describes the RF cables and connectors that are used in an
802.11 WLAN system?

A. Two RF connectors of the same type (e.g. SMA), manufactured by different companies, may vary in specifications.
B. Some RF connectorsdo not cause insertion loss.
C. Large diameter RF cables cause greater loss than small diameter cables.
D. 75 and 125 ohms are the typical impedances of 802.11 WLAN connectors.

Answer: A

NEW QUESTION 50
When a STA has authenticated to an AP (AP-1), but still maintains a connection with another AP (AP-2), what is the state of the STA on AP-1?

A. Transitional
B. Authenticated and Associated
C. Authenticated and Unassociated
D. Unauthenticated and Unassociated

Answer: A

NEW QUESTION 51
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. VoIP
C. E-Mail
D. RTLS

Answer: B

NEW QUESTION 52
What statement about 802.3. Clause 33 Power over Ethernet is true?

A. The lowest voltage drop is achieved when using CAT6 cable instead of CAT5 or CAT5e.
B. When using CAT5 cabling, you increase the maximum draw available to the PD over that available with CAT6.
C. Only endpoint PSEs are supported.
D. Only midspan PSEs are supported.

Answer: B

NEW QUESTION 53
What parameter of the client driver should be configured on a Windows computer to optimize moving from one AP to another within the ESS?

A. ESSID selection
B. Band preference
C. SSID selection
D. Roaming threshold

Answer: D

NEW QUESTION 54
A WLAN transmitter that emits a 50 mW signal is connected to a cable with 3 dB loss.
If the cable is connected to an antenna with 9 dBi gain, what is the EIRP at the antenna element?

A. 13 dBm
B. 26 dBm
C. 23 dBm
D. 10 dBm

Answer: C

NEW QUESTION 55
The center frequency of channel 1 in the 2.4 GHz band is 2.412 GHz (2412 MHz).
What is the center frequency of channel 4?

A. 2.422 GHz
B. 2.427 GHz
C. 2.413 GHz
D. 2.417 GHz

Answer: B

NEW QUESTION 56
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. Excess RF energy from a nearby AP
B. Unintentional radiation from the PC power supply
C. USB 3 devices in the user's work area
D. Bluetooth devices in the user's work area

Answer: B

NEW QUESTION 57
What 802.11 network configuration would result in multiple stations broadcasting Beacon frames with the same BSSID but with different source addresses?

A. An IBSS is used instead of a BSS.
B. An SCA network is in use.
C. Multiple APs have been loaded with the same configuration from an image file.
D. A single AP supports multiple BSSs with different SSIDs.

Answer: A

NEW QUESTION 58
In a long-distance RF link, what statement about Fade Margin is true?

A. The Fade Margin of a long-distance radio link should be equivalent to the receiver's low noise filter gain.
B. The Fade Margin is a measurement of signal loss through free space and is a function of frequency and distance.
C. Fade Margin is an additional pad of signal strength designed into the RF system to compensate for unpredictable signal fading.
D. A Fade Margin is unnecessary on a long-distance RF link if more than 80% of the first Fresnel zone is clear of obstructions.

Answer: C

NEW QUESTION 59
As XYZ Company's wireless specialist, you have been asked to troubleshoot some unexpected frame patterns in a wireless protocol capture. Your peers explain that the network's beacon frames are inconsistent. That is, the BSSID is the same for all beacons, but the source address varies between three different addresses.
What network configuration would cause this beacon frame behavior?

A. Three APs still share the same default configuration.
B. The beacons are from an IBSS instead of a BSS
C. A single AP supports multiple BSSs with different SSIDs
D. A virtual cell single channel network has been implemented

Answer: B

NEW QUESTION 60
What is the final step in an effective troubleshooting process?

A. Disable the WLAN
B. Notify the users of problem resolution
C. Document the results
D. Verify the solution

Answer: C

NEW QUESTION 61
What is a channel mode specified by the 802.11n (High Throughput) PHY?

A. 80 MHz
B. 22 MHz
C. 20/40 MHz
D. Frequency Hopping

Answer: C

NEW QUESTION 62
Which IEEE 802.11 physical layer (PHY) specification includes support for and compatibility with both ERP and HR/DSSS?

A. DSSS (802.11-Prime)
B. OFDM (802.11a)
C. VHT (802.11ac)
D. HT (802.11n)

Answer: D

NEW QUESTION 63
You are managing a wireless access point in autonomous mode using the Web based interface. You capture traffic during this management task and notice that you can see the HTML code of the Web pages used for access point management. What error in administration could be the cause of this security concern?

A. WPA2 is disabled on the WLAN
B. IPsec is not in use of the management connection as recommended
C. HTTP is in use instead of HTTPS
D. A VPN with the AP is not established

Answer: C

NEW QUESTION 64
A dual-band 802.11ac AP must be powered by PoE. As a class 4 device, what power level should be received at the AP?

A. 30 W
B. 15.4 W
C. 12.95 W
D. 25.5 W

Answer: D

NEW QUESTION 65
A client complains of low data rates on his computer. When you evaluate the situation, you see that the signal strength is -84 dBm and the noise floor is -96 dBm. The client is an 802.11ac client and connects to an 802.11acAP. Both the client and AP are 2x2:2 devices.
What is the likely cause of the low data rate issue?

A. Too few spatial streams
B. Lack of support for 802.11n
C. Weak signal strength
D. CAT5e cabling run to the AP

Answer: C

NEW QUESTION 66
Prior to association, what parameter can 802.11 client devices measure and use to select the optimal access point for association?

A. Retry rate of probe request and response frames
B. Average round trip time to reach the Internet DNS server
C. Signal strength of access point beacons received
D. Proximity to potential access points
E. Average round trip time to reach the IP router

Answer: C

NEW QUESTION 67
What features are most often configurable within 802.11 WLAN client utilities? (Choose 2)

A. Frame generator utility
B. AES key and block size
C. Power management
D. Roaming aggressiveness
E. Co-channel interference threshold

Answer: C,D

NEW QUESTION 68
You are attempting to explain RF shadow and how it can cause lack of coverage. What common building item frequently causes RF shadow and must be accounted for in coverage plans?