Free CWNP CWNA-106 Practice Exam with Questions & Answers | Set: 2

Name: How to Pass CWNA-106 Exams
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SKU: cwna-106
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Questions 11

Which IEEE 802.11 physical layer (PHY) specifications include support for and compatibility of both OFDM and HR/DSSS? (Choose 2)

Options:

HR/DSSS (802.11b)

OFDM (802.11a)

ERP (802.11g)

HT (802.11n)

CCK (802.11b)

VHT (802.11ac)

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Questions 12

In an 802.11n 2.4 GHz BSS, what prevents each station from using the full network bandwidth (e.g. 130 Mbps) for user data throughput when multiple clients are actively exchanging data with the AP? (Choose 2)

Options:

Radio receiver hardware cannot process data as quickly as it can be transmitted.

Half of the bandwidth is allocated to uplink traffic and half to downlink traffic.

The DCF and EDCA coordination functions require backoff algorithms

WLAN devices cannot detect collisions and must receive positive frame acknowledgment.

APs do not have sufficient wired connection speeds to the LAN.

Questions 13

As a station moves away from the access point to which it is associated, it changes its data rate from 600 Mbps to 540 Mbps and then to 450 Mbps.

What IEEE 802.11 term is used to describe this functionality?

Options:

Dynamic Rate Switching

Multirate Control

Modulation and Coding Selection

Rate Set Selectivity

Adaptive Rate Management

Questions 14

What statement about 802.3-2012, Clause 33 Power over Ethernet is true?

Options:

Up to 30 watts of power may be provided through an Ethernet cable.

By using CAT3 cabling, you can increase the maximum draw available to the PD.

When using CAT5 cabling, you decrease the maximum draw available to the PD.

Only endpoint PSEs are supported.

Only midspan PSEs are supported.

Questions 15

What statement describes the authorization component of a AAA implementation?

Options:

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

Questions 16

What statements describe industry practices for communication protocols between WLAN controllers and controller-based APs? (Choose 2)

Options:

All vendors use the same protocol so that APs will interoperate with WLAN controllers from other vendors.

Some vendors use proprietary protocols, and some vendors use protocols based on public standards like RFCs.

For most vendors, the controller-based APs maintain data and control tunnels with at least two controllers for immediate failover and redundancy.

All vendors support at least one L2 or L3 broadcast protocol for controller discovery by controller-based APs.

All vendors recommend using L2 (instead of L3) controller discovery and tunneling protocols in large enterprises.

Questions 17

For what likely reasons might an organization choose to purchase an AP designed for outdoor deployment to use as an indoor WLAN AP at an industrial facility? (Choose 2)

Options:

Aesthetic requirements

Physical security and theft prevention

Protection from environmental conditions

Reduce transient RF interference

802.11 security compliance

Questions 18

As you prepare for a site survey in a multi-floor corporate office, you have learned about several wireless devices that support connection-oriented, real-time applications. These applications are sensitive to service interruptions and require excellent signal quality, low latency, and low loss. For that reason, it is important to identify sources of RF interference as well as building characteristics that would cause RF blockage or dead spots.

What systems or environmental characteristics are most likely to cause interference or RF blockage and disrupt service for these applications? (Choose 2)

Options:

Microwave ovens

Narrow hallways

Elevator shafts

RFID chokepoints

Workspace dividers

Questions 19

In a single channel architecture (SCA) WLAN system, 802.11n (HT) APs should not share an SSID with 802.11g (ERP) APs.

What is the reason for this recommendation?

Options:

Client stations would see two different sets of AP capabilities as they roam between APs with the same BSSID.

The added range of 802.11n APs would cause additional co-channel interference.