السؤال #1

A client STA must choose the best AP for connectivity. As part of the evaluation, it must verify compatible data rates. What can the client STA use to verify that an AP supports the same data rates that it supports?

A. Probe request frames transmitted by other client STAs

B. Beacon frames transmitted by the AP

C. Authentication frames transmitted by the other client STAs

D. Data frames sent between the AP and current client STAs

عرض الإجابة

اجابة صحيحة: B

السؤال #2

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

A. Directed Radiation

B. Beam Digression

C. Passive Gain

D. Active Amplification

عرض الإجابة

اجابة صحيحة: C

السؤال #3

What can an impedance mismatch in the RF cables and connectors cause?

A. Increased range of the RF signal

B. Fewer MCS values in the MCS table

C. Increased amplitude of the RF signal

D. Excessive VSWR

عرض الإجابة

اجابة صحيحة: D

السؤال #4

An RF signal sometimes bends as it passes through some material other than free space. What is the term that describes this behavior?

A. Refraction

B. Warping

C. Scattering

D. Reflection

عرض الإجابة

اجابة صحيحة: A

السؤال #5

What factor does not influence the distance at which an RF signal can be effectively received?

A. Receiving station's radio sensitivity

B. Receiving station's output power

C. Transmitting station's output power

D. Free Space Path Loss

عرض الإجابة

اجابة صحيحة: B

السؤال #6

ABC Company is planning to install a new 802.11ac WLAN, but wants to upgrade its wired infrastructure first to provide the best user experience possible. ABC Company has hired you to perform the RF site survey. During the interview with the network manager, you are told that the new Ethernet edge switches will support VoIP phones and 802.11 access points, both using 802.3 PoE. After hearing this information, what immediate concerns do you note?

A. The edge Ethernet switches should support Ether-channel to get the best results out of the network

B. VoIP phones and 802

C. If the switches are in optimal locations for VoIP phones, they are likely to be suboptimal locations for 802

D. The power budget in the edge switches must be carefully planned and monitored based on the number of supported PoE devices

عرض الإجابة

اجابة صحيحة: D

السؤال #7

What statement about the beamwidth of an RF antenna is true?

A. Horizontal and vertical beamwidth are calculated at the points where the main lobe decreases power by 3 dB

B. The beamwidth patterns on an antenna polar chart indicate the point at which the RF signal stops propagating

C. When antenna gain is lower, the beamwidth is also lower in both the horizontal and vertical dimensions

D. Vertical beamwidth is displayed (in degrees) on the antenna?€?s Azimuth chart

عرض الإجابة

اجابة صحيحة: A

السؤال #8

Which directional antenna types are commonly used by indoor Wi-Fi devices in a MIMO multiple spatial stream implementation?

A. Dipole and yagi

B. Grid and sector

C. Patch and panel

D. Dish and grid

عرض الإجابة

اجابة صحيحة: C

السؤال #9

You administer a small WLAN with nine access points. As a small business, you do not run a RADIUS server and use WPA2-Personal for security and the APs are in autonomous mode. Recently, you changed the passphrase for WPA2-Personal in all APs and clients. Several users are now reporting the inability to connect to the network at times and it is constrained to one area of the building and those clients work properly elsewhere. When using a WLAN scanner, you see that the AP covering that area is online and has

A. The AP that primarily covers the problem area is improperly configured

B. The clients are improperly configured

C. The AP that primarily covers the problem area has failed

D. The clients have failed network adapters

عرض الإجابة

اجابة صحيحة: A

السؤال #10

You administer a WLAN that offers a guest SSID of GUESTNWORK. Users connect to the GUESTNWORK SSID, but report that they cannot browse the Internet. The devices simply report no Internet connection. What common problem causes this scenario?

A. NTP issues

B. SSL/TLS websites

C. TFTP issues

D. Captive portal issues

عرض الإجابة

اجابة صحيحة: D

السؤال #11

In an infrastructure Basic Service Set (BSS), how does the passive scanning process occur?

A. Access pointsbroadcast Beacons on all channels of each radio within the regulatory domain

B. Client stations broadcast Probe Request frames on all supportedchannels inthe regulatory domain

C. Client stations broadcast Probe Request frames on the singlechannel forwhich they are programmed

D. Access points broadcast Beacons on asingle channel for which they are programmed

عرض الإجابة

اجابة صحيحة: D

السؤال #12

An RF signal sometimes bends as it passes through some material other than free space. What is the term that describes this behavior?

A. Refraction

B. Warping

C. Scattering

D. Reflection

عرض الإجابة

اجابة صحيحة: A

السؤال #13

An RF sigma sometimes bends as it passes through some material other than free space. What is the term that describes this behavior?

A. Reflection

B. Refraction

C. Scattering

D. Warping

عرض الإجابة

اجابة صحيحة: B

السؤال #14

What is a common feature of an 802.11 WLAN client utility? (Choose 2)

A. Real-time retry monitor

B. AP Signal strength meter

C. Spectrum analyzer utility

D. VLANconfiguration

E. Linkstatistics display

عرض الإجابة

اجابة صحيحة: BE

السؤال #15

Which one of the following is not a factor considered when calculating the Link Budget for an outdoor point-to-point WLAN bridge link?

A. Operating frequency

B. MU-MIMO capabilities of the bridges

C. Receive antenna gain

D. Transmit power

عرض الإجابة

اجابة صحيحة: B

السؤال #16

What factor does not influence the distance at which an RF signal can be effectively received?

A. Receiving station?€?s radio sensitivity

B. Receiving station?€?s output power

C. Transmitting station?€?s output power

D. Free Space Path Loss

عرض الإجابة

اجابة صحيحة: A

السؤال #17

What best describes WPA2 in relation to 802.11 wireless networks?

A. WPA2 is the standard that defines security for WLANs

B. WPA2 is a certification created by the Wi-Fi Alliance that validates devices correctly implement CCMP/AES

C. WPA2 is the second version of WPA and it enhances security through the use of TKIP instead of WEP

D. WPA2 is specified in the 802

عرض الإجابة

اجابة صحيحة: A

السؤال #18

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 5 GHz and 20 MHz channels in 2.4 GHz with one of each radio operational. 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 invalid because the AP will compress all data before transmitting it onto the Ethernet link

B. Due to 802

C. His concern is valid and the company should immediately plan to run a second 1 Gbps Ethernet link to each AP

D. His concern is valid and the company should upgrade all Ethernet links to 10 Gbps immediately

عرض الإجابة

اجابة صحيحة: B

السؤال #19

What is required when operating 802.11ax APs in the 6 GHz band using passphrase-based authentication?

A. VHT PHY

B. CCMP

C. SAE

D. HT PHY

عرض الإجابة

اجابة صحيحة: C

السؤال #20

You are troubleshooting a controller-based AP that is unable to locate the controller. DHCP is not used and the controller is located at 10.10.10.81/24 while the AP is on the 10.10.16.0/24 network. Of the listed options, what should be inspected to verify proper configuration?

A. TFTP

B. Controller hosts file

C. DNS

D. WINS

عرض الإجابة

اجابة صحيحة: C

السؤال #21

What is required when operating 802.11ax APs in the 6 GHz band using passphrase-based authentication?

A. VHT PHY

B. CCMP

C. SAE

D. HT PHY

عرض الإجابة

اجابة صحيحة: C

السؤال #22

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

A. A Fade Margin is unnecessary on a long-distance RF link if more than 80% of the first Fresnel zone is clear of obstructions

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. The Fade Margin of a long-distance radio link should be equivalent to the receiver?€?s low noise filter gain

عرض الإجابة

اجابة صحيحة: C

السؤال #23

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 9dBi gain, what is the EIRP at the antenna element?

A. 26 dBm

B. 13 dBm

C. 23 dBm

D. 10 dBm

عرض الإجابة

اجابة صحيحة: C

السؤال #24

What can an impedance mismatch in the RF cables and connectors cause?

A. Fewer MCS values in the MCS table

B. Excessive VSWR

C. Increased amplitude of the RF signal

D. Increased range of the RF signal

عرض الإجابة

اجابة صحيحة: B

السؤال #25

You are a small business wireless network consultant and provide WLAN services for various companies. You receive a call from one of your customers stating that their laptop computers suddenly started experiencing much slower data transfers while connected to the WLAN. This company is located in a multi-tenant office building and the WLAN was designed to support laptops, tablets and mobile phones. What could cause a sudden change in performance for the laptop computers?

A. A few of your customer's users have Bluetooth enabled wireless headsets

B. A new tenant in the building has set their AP to the same RF channel that your customer is using

C. The sky was not as cloudy that day as it typically is and the sun also radiates electromagnetic waves

D. The antennas in the laptops have been repositioned

عرض الإجابة

اجابة صحيحة: B

السؤال #26

What can an impedance mismatch in the RF cables and connectors cause?

A. Increased range of the RF signal

B. Fewer MCS values in the MCS table

C. Increased amplitude of the RF signal

D. Excessive VSWR

عرض الإجابة

اجابة صحيحة: D

السؤال #27

An AP is advertised as a tri-band, 4x4:4, Wi-Fi 6, 802.11ax AP. Based on this information and assuming it is correctly advertised, what can be determined as certainly true about this AP?

A. It supports four channels in 2

B. It has four radio chains

C. It supports UL-MU-MIMO

D. It uses a modified OpenWRT firmware

عرض الإجابة

اجابة صحيحة: B

السؤال #28

When compared with legacyPower Save mode, how does VHT TXOP power save improve battery life for devices on a WLAN?

A. VHT TXOP power save allows stations to enter sleep mode and legacy Power Save does not

B. VHT TXOP power save uses the partial AID in the preamble to allow clients to identify frames targeted for them

C. Legacy Power Save mode was removed in the 802

D. VHT TXOP power save allows the WLAN transceiver to disable more components when in a low powerstate

عرض الإجابة

اجابة صحيحة: B

السؤال #29

You are troubleshooting a controller-based AP that is unable to locate the controller. DHCP is not used and the controller is located at 10.10.10.81/24 while the AP is on the 10.10.16.0/24 network. Of the listed options, what should be inspected to verify proper configuration?

A. TFTP

B. Controller hosts file

C. DNS

D. WINS

عرض الإجابة

اجابة صحيحة: C

السؤال #30

What factor does not influence the distance at which an RF signal can be effectively received?

A. Free Space Path Loss

B. Receiving station’s radio sensitivity

C. Transmitting station’s output power

D. Receiving station’s output power

عرض الإجابة

اجابة صحيحة: B

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اجتياز اختبار الممارسة Cisco وPMP وCISA وCISM وAWS بنسبة 100% للبيع! احصل الان

View The Updated CWNA-109 Exam Questions

View The Updated CWNP Exam Questions

عرض الإجابات بعد التقديم

اجتياز اختبار الممارسة Cisco وPMP وCISA وCISM وAWS بنسبة 100% للبيع!
احصل الان