[Apr 15, 2023] Fully Updated Dumps PDF - Latest CWNA-108 Exam Questions and Answers
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NEW QUESTION # 21
You are implementing a VHT-capable AP. Which one of the following channels is available in the
802.11-2016 standard, which was not available before the ratification of 802.11ac?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION # 22
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. HTTP is in use instead of HTTPS
- B. IPSec is not in use for the management connection as recommended
- C. WPA2 is disabled on the WLAN
- D. A VPN with the AP is not established
Answer: A
NEW QUESTION # 23
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 is based on IEEE 802.11 industry standards, but WEP is not
- C. WPA2-Personal uses CCMP for encryption, and WEP-128 uses TKIP for encryption
- D. WPA2-Personal uses dynamic encryption keys, and WEP-128 uses static keys
Answer: D
NEW QUESTION # 24
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?
- A. Carpeted floors
- B. Cubicle partitions
- C. Wooden doors
- D. Elevators
Answer: B
NEW QUESTION # 25
What statement about 802.3. Clause 33 Power over Ethernet is true?
- A. Only endpoint PSEs are supported.
- B. The lowest voltage drop is achieved when using CAT6 cable instead of CAT5 or CAT5e.
- C. When using CAT5 cabling, you increase the maximum draw available to the PD over that available with CAT6.
- D. Only midspan PSEs are supported.
Answer: C
NEW QUESTION # 26
What Linux shell command can be used to view the hardware and PHY capabilities of a wireless adapter in detail including channel widths, output power setting, channels supported, and more?
- A. iwconflg
- B. iw phy
- C. netsh wlan show device
- D. ifconflg
Answer: A
NEW QUESTION # 27
When a client moves to a new BSS within an ESS, what step is a part of the 802.11 reassociation process?
- A. The client station transmits a Reassociation Request frame to its currentaccess point.
- B. The new access point transmits a Reassociation Response to the client station with a status value.
- C. The current access point informs the IP gateway of the reassociation.
- D. The current access point triggers the client's reassociation service.
Answer: B
NEW QUESTION # 28
What is a common feature of an 802.11 WLAN client utility? (Choose 2)
- A. AP Signal strength meter
- B. Spectrum analyzer utility
- C. Real-time retry monitor
- D. Link statistics display
- E. VLAN configuration
Answer: A,D
NEW QUESTION # 29
When an ACK frame is not received by the transmitting STA, what is assumed?
- A. The receiver processed the frame, but did not respond with an ACK frame because 802.11w is enabled
- B. The frame was correctly delivered
- C. The receiver is offline
- D. The frame was not delivered and must be retransmitted
Answer: D
NEW QUESTION # 30
Three access points are used within a facility. One access point is on channel 11 and the other two are on channel 1. The two access points using channel 1 are on either side of the access point using channel 11 and sufficiently apart so that they do not interfere each other when they transmit frames. Assuming no other Aps are in the vicinity, is CCI still a possibility in this network and why?
- A. Yes, because the client devices connected to one of the channel 1 APs will transmit frames that reach the other channel 1 AP as well as
- B. Yes, because channel 11 loops around and causes CCI with channel 1
- C. No, because CCI only occurs in the 5 GHz frequency band
- D. No, because the Aps are far enough apart that no CCI will occur
Answer: A
NEW QUESTION # 31
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. CAT5e cabling run to the AP
- C. Weak signal strength
- D. Lack of support for 802.11n
Answer: C
NEW QUESTION # 32
What terms accurately complete the following sentence?
The IEEE 802.11-2016 standard specifies mandatory support of the _______________ cipher suite for Robust Security Network Associations, and optional use of the ________________ cipher suite, which is designed for use with pre-RSNA hardware and is deprecated.
- A. 802.1X/EAP, WEP
- B. TLS, SSL
- C. CCMP, TKIP
- D. RC5, RC4
Answer: C
NEW QUESTION # 33
Your manager asked you to locate a solution that allows for centralized monitoring of WLAN performance over time. He wants a single pane of glass for administration and monitoring of the solution. What do you recommend?
- A. AP-based spectrum analysis
- B. Overlay WLAN monitoring solution
- C. laptop-based protocol analyzers
- D. Laptop based spectrum analyzers
Answer: A
NEW QUESTION # 34
Which IEEE 802.11 physical layer (PHY) specification includes support for and compatibility with both ERP and HR/DSSS?
- A. VHT (802.11ac)
- B. HT (802.11n)
- C. DSSS (802.11-Prime)
- D. OFDM (802.11a)
Answer: B
NEW QUESTION # 35
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 802.11ac AP. 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. CAT5e cabling run to the AP
- C. Weak signal strength
- D. Lack of support for 802.11n
Answer: C
Explanation:
Explanation/Reference:
NEW QUESTION # 36
You are planning for PoE in a standard office deployment. Which one of these devices is least likely to be a PoE PD?
- A. Video camera
- B. Access point
- C. VoIP phone
- D. Ethernet switch
Answer: A
NEW QUESTION # 37
A natural disaster has occurred in a remote area that is approximately 40 miles from the response team headquarters. The response team must setup a local wireless network using 802.11 WLAN access points. What is the best method, of those listed, for implementation of network backhaul for communications across the Internet in this scenario?
- A. Cellular/LTE
- B. 802.11 bridging
- C. Temporary wired DSL
- D. Temporary wired cable
Answer: A
NEW QUESTION # 38
You are performing a post-implementation validation survey. What basic tool can be used to easily locate areas of high co-channel interference?
- A. Laptop-based spectrum analyzer
- B. Throughput tester
- C. Wi-Fi scanner
- D. Access point spectrum analyzer
Answer: C
NEW QUESTION # 39
What is primary metric of scanning can stations use to select the best AP for connectivity to the desired BSS?
- A. FCS errors in frames transmitted to and from the AP.
- B. Signal strength of access point beacons received
- C. Throughput speed in Mbps.
- D. PING latency when testing against an internet server
Answer: B
NEW QUESTION # 40
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 0: No protection mode (Greenfield)
- B. Mode 1: Nonmember protection mode
- C. Mode 3: Non-HT mixed mode
- D. Mode 2: 20 MHz protection mode
Answer: C
NEW QUESTION # 41
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