CWNA-106 CWNP Certified Wireless Network Administrator exact Exam Questions

Certified Wireless Network Administrator

Last Update 1 hour ago Total Questions : 120

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Question # 21

Your consulting firm has recently been hired to complete a site survey for a company. Your engineers use predictive modeling software for surveying, but the company insists on a pre-deployment site visit.

What tasks should be performed as part of the pre-deployment visit to prepare for a predictive survey? (Choose 2)

With a spectrum analyzer, identify the type, amplitude, and location of RF interference sources, if any are present.

Evaluate the building materials at ABC’s facility and confirm that the floor plan documents are consistent with the actual building.

Test several antenna types connected to the intended APs for use in the eventual deployment.

Collect information about the company’s security requirements and the current configuration of their RADIUS and user database servers.

Install at least one AP on each side of the exterior walls to test for co-channel interference through these walls.

Question # 22

The IEEE 802.11a/n/ac physical layer technologies utilize the 5 GHz frequency band. What is true of the channels in this frequency spectrum?

14 channels are available worldwide.

11 channels are available worldwide.

Regulatory domains worldwide require DFS and TPC in all these channels.

DFS may be required in some regulatory domains on some channels.

802.11 channels are separated by 5 Mhz

Question # 23

What statement describes the authorization component of a AAA implementation?

Verifying that a user is who he says he is

Validating client device credentials against a database

Logging the details of user network behavior in order to review it at a later time

Granting access to specific network services according to a user profile

Implementing a WIPS as a full-time monitoring solution to enforce policies

Question # 24

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

Frame generator utility

Power management

Co-channel interference threshold

Roaming aggressiveness

AES key and block size

Question # 25

In addition to coverage analysis results, what should be included in a site survey report to ensure WLAN users experience acceptable performance?

Application Layer protocol availability analysis results

Layer 4 protocol availability analysis results

Capacity analysis results

WAN interface analysis results

Question # 26

The OSI model is a 7-layer model for understanding the functions of a communication system. What OSI sublayers are specifically addressed by the IEEE 802.11-2012 standard? (Choose 2)

Network

PPDU

PLCP

MAC

Transport

Question # 27

What facts are true regarding controllers and APs in a Split MAC architecture? (Choose 2)

An IP tunnel is established between the AP and controller for AP management and control functions.

Using centralized data forwarding, APs never tag Ethernet frames with VLAN identifiers or 802.1p CoS.

With 802.1X/EAP security, the AP acts as the supplicant and the controller acts as the authenticator.

Management and data frame types must be processed locally by the AP, while control frame types must be sent to the controller.

In a distributed data forwarding model, the AP handles frame encryption and decryption.

Question # 28

What statements accurately describe the RF cables and connectors that are used in an 802.11 WLAN system? (Choose 3)

RF cables have upper and lower frequency range specifications.

75 and 125 ohms are the typical impedances of 802.11 WLAN connectors.

Two RF connectors of the same type (e.g. SMA), manufactured by different companies, may vary in specifications.

Every RF connector causes insertion loss.

Large diameter RF cables cause greater loss than small diameter cables.

Question # 29

How is throughput capacity scaled in a single channel architecture (SCA) WLAN system?

By increasing transmit power and placing APs that are on a single channel farther from one another.

By adding more SSIDs to existing APs to spread users across different contention domains.

By adding non-overlapping channel layers through the addition of more APs.

By using downlink data compression and uplink flow control at the AP.

By using a single 802.11n radio to transmit simultaneous downlink data streams to different users.

Question # 30

The client devices that connect to your network include a mix of dual-band 802.11n and 802.11ac, single-band 802.11b/g/n, and some 802.11a/g/n. Your access points are configured with the same SSID on both the 2.4 and 5 GHz bands. The APs are also configured to prioritize client connectivity to 5 GHz.

How does an AP perform band steering to encourage clients to use 5 GHz?

When the client sends a probe request in the 2.4 GHz band, the AP may reply with information about the 5 GHz BSS.

The AP may ignore the initial probe requests or 802.11 authentication requests sent in the 2.4 GHz band by dual-band clients

The AP may allow an 802.11 association with the client in the 2.4 GHz band, then send unicast channel switch announcements to the client announcing the 5 GHz channel as the new channel.

After receiving probe request frames from the same client in both bands, the AP may send an association request frame to the client in the 5 GHz band.

The AP may allow an 802.11 association with the client in the 2.4 GHz band, then the AP may perform a transparent client handoff by transferring the client’s MAC address to the 5 GHz radio.

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