Far Out Certified Wireless Analysis Professional Cwap-402 Free Exam

NEW QUESTION 1
You are concerned about attackers gaining access to your WLAN from outside the facility.
Why does reducing the output power on the APs not provide sufficient certainty that an attacker outside the facility cannot gain access?

• A. Because RF signals can be received even when weak if using a Mac OS X computer
• B. Because the attacker can simply use high gain antennas
• C. Because the attacker can increase the output power of the radio on the client
• D. Because the attacker will simplify use a lower gain antenna and a radio with higher receive sensitivity

Answer: B

NEW QUESTION 2
As the WLAN administrator in your organization you are responsible for troubleshooting connection issues. Several STAs are connecting to the network, but are unable to communicate after connection. You suspect a DHCP problem. After capturing traffic on the wired-side of the AP, you want to view only DHCP traffic.
What filter in Wireshark can be used for this purpose?

• A. DHCPv6
• B. DHCP
• C. BOOTP
• D. DHCPv4

Answer: C

NEW QUESTION 3
You are performing 802.3 network analysis. For what are the DA and SA fields used in the frame header?

• A. Defining either direct access or sourced access
• B. Defining the addresses sending and receiving the frame
• C. Defining either distance access routing or strict access routing
• D. They are not used; addresses are only used in the 802.11 header

Answer: B

NEW QUESTION 4
What element was added to the general frame of 802.11 with the 802.11e amendment and the 802.11-2007 rollup?

• A. HT Control
• B. Address 4
• C. QoS Control
• D. RSN-IE

Answer: C

NEW QUESTION 5
ABC Company requires the ability to identify and quickly locate rogue devices. ABC has chosen an overlay WIPS solution with Wi-Fi sensors that use dipole antennas to perform this task. No other sensors are included. Use your knowledge of location tracking techniques to answer the question.
Which one of the following location methods is not available in the described system?

• A. GPS Positioning
• B. Time Difference of Arrival (TDoA)
• C. RF Fingerprinting
• D. Trilateration of RSSI measurements

Answer: C

NEW QUESTION 6
You are troubleshooting throughput problems for a WLAN cell. The cell is provisioned with an 802.11ac dual-band AP. Users connected with both 5 GHz and 2.4 GHz connections are reporting performance problems. The AP settings are properly optimized. No interface issues have been detected (either co-channel interference or non-Wi-Fi interference) and the number of associated users is low.
What should you analyze to resolve the issue?

• A. The 2.4 GHz radio configuration
• B. The antennas used on the client devices
• C. the Ethernet uplink and the network infrastructure
• D. The 5 GHz radio configuration

Answer: C

NEW QUESTION 7
Given: Protocol analyzer often have useful graphical dashboards providing information about the health and operations of the WLAN.
What is a valid use of a graph showing the Top APs Based on Active Associations?

• A. Ensuring compliance with corporate security policies
• B. Discovering the total number of client STAs on your network
• C. Evaluating the capacity handling on a specific channel
• D. Locating overloaded APs

Answer: D

NEW QUESTION 8
You are working in an organization that has implemented an SCA-based WLAN. You want to change the RF channel for a single AP.
What can you do to perform this task with some SCA solutions?

• A. Access the AP using SSH and change the channel
• B. Access the AP through the console port and change the channel
• C. Access the AP using Telnet and change the channel
• D. Convert the network to MCA

Answer: D

NEW QUESTION 9
As the WLAN engineer in your organization, you must troubleshoot performance problems related to co-channel interference (CCI).
What is a good measurement of CCI impact in addition to the number of APs seen on a channel?

• A. The frequency used
• B. Non-Wi-Fi device count
• C. Retries
• D. Utilization

Answer: A

NEW QUESTION 10
The To DS bit is set to 0 and the From DS is set to 1. What best describes this 802.11 frame?

• A. A frame being transmitted from an AP to a client STA
• B. A frame being transmitted in a mesh BSS
• C. A frame being transmitted from a client STA to an AP
• D. A frame being transmitted directly from one client STA to another

Answer: A

NEW QUESTION 11
You are analyzing a problem with a specific client adapter. The vendor specifications sheet does not provide detailed information.
What tool can you use to provide the most detailed specification information in many such cases?

• A. WLAN controller
• B. Spectrum analyzer
• C. FCC ID Search
• D. Wi-Fi finder

Answer: C

NEW QUESTION 12
You are troubleshooting a connection problem with a client STA. Regardless of the AP to which it attempts to connect, the connection fails. Using a wired protocol analyzer, you determine that the problem is with the 802.1X/EAP authentication to the RADIUS server.
What layer or range of layers of the OSI model revealed this information?

• A. Layer 3
• B. Layer 2
• C. Below Layer 3
• D. Above Layer 4

Answer: A

NEW QUESTION 13
Recently, three rogue APs have been connected to the network and later discovered. You want to prevent future rogue AP installations as much as possible.
What is the first step to eliminating or reducing rogue APs on the network?

• A. Use IPSec between every AP and the network infrastructure
• B. Define a direct policy that stipulates the ramifications of installing unauthorized devices
• C. Create a hash of the MAC addresses of all authorized devices and continually scan for non-matching hashes
• D. Enable rogue detection in the existing authorized APs

Answer: D

NEW QUESTION 14
A new firmware has been released for the AP model you use in your WLAN. You have more than 120 of these APs installed.
What is a good reason for applying a firmware update on an enterprise AP?

• A. Enable new security features and patch vulnerabilities
• B. Enable 4x4:4 spatial streams on a 3x3:3 AP
• C. Enable the short guard interval
• D. Disable lower data rates

Answer: A

NEW QUESTION 15
You work as an SE for a value-added reseller. A client has an existing deployment of 802.11n Aps and wants to upgrade several BSSs to 802.11ac.
What hardware feature of some enterprise Aps may allow for this without a forklift upgrade?

• A. Adding an 802.11ac module to the existing APs
• B. Simply check the Enable 802.11ac checkbox in the web-based configuration interface
• C. Replace the antennas with 802.11ac antennas
• D. Converting the 802.11n radio to an 802.11ac radio through software

Answer: B

NEW QUESTION 16
You are attempting to work through a user complaint with the CWNP-recommended troubleshooting methodology.
What must be clearly identified in order to reduce the number of possible causes at step three?

• A. The user name
• B. The problem
• C. The device type
• D. The user’s IP configuration

Answer: B

NEW QUESTION 17
You are using the real-time FFT display of a spectrum analyzer.
In what domain does this show the RF energy detected in the swept frequencies?

• A. Time
• B. Length
• C. Phase
• D. Frequency

Answer: C

NEW QUESTION 18
You are repairing a misconfiguration in WMM settings on an AP. The aCWmin and aCWmax values were all changed.
What is the default aCWmax for AC_BK?

• A. 1024
• B. 1023
• C. 15
• D. 7

Answer: B

NEW QUESTION 19
You want to simplify viewing frames of a particular type in Wireshark. What is used to specify frames for colorization?

• A. Custom code must be written and the binaries recompiled
• B. Automated protocol analysis is used and no additional options may be specified
• C. Filters are used to define the frames that should be colorized
• D. A scripting language is available to modify the code before recompilation

Answer: C

Explanation:
Protocol analyzers also support highlighting or colorization and filtering. The highlighting feature allows you to define colors for packets or frames matching particular criteria. It allows those frames to stand out as you browse through the captured frames

NEW QUESTION 20
You have been asked to recommend a protocol analysis solution that uses open source software and works with the Linux platform. It must provide decoding of 802.11ac frames and minimal support for reporting and statistics.
What solution would you recommend?

• A. Wi-Fi Analyzer Pro
• B. OmniPeek
• C. Wireshark
• D. CommView for Wi-Fi

Answer: C

NEW QUESTION 21
When using Wireshark for protocol analysis, what filter will allow you to see only beacon frames?

• A. wlan.fc.type_subtype = =0x05
• B. wlan.fc.type_subtype = =0x0b
• C. wlan.fc.type_subtype = =0x08
• D. wlan.fc.type_subtype = =0x04

Answer: C

NEW QUESTION 22
VoIP is used heavily in your organization. You must troubleshoot problems with dropped calls on the WLAN.
What is a common cause of dropped calls when using Wi-Fi VoIP phones?

• A. Use of WMM
• B. Data rates below 54 Mbps
• C. Data rates below 75 Mbps
• D. Slow roaming

Answer: D

NEW QUESTION 23
The data rate for a data frame is 150 Mbps in 5 GHz. What rate is used to transmit the PHY header information?

• A. 1 Mbps
• B. 150 Mbps
• C. 75 Mbps
• D. 6 Mbps

Answer: A

NEW QUESTION 24
......