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Exhibits:

View the figures and correctly identify the antenna types illustrated in the figures.

A.

Figure 1: Yagi

Figure 2: Patch

B.

Figure 1: Panel

Figure 2: Dipole

C.

Figure 1: Rubber Duck

Figure 2: Omni-directional

D.

Figure 1: Parabolic Dish

Figure 2: Grid

E.

Figure 1: Sectorized

Figure 2: Array

Exhibit:

Identify the wireless radio interface type depicted in the illustration.

A.

Mini-PCIe

B.

Express Card

C.

CardBus

D.

Secure Digital

E.

PCI

F.

USB 2.0

What unit of measurement is used to measure the power difference between two RF signals?

A.

Joule

B.

Decibel

C.

Ohm

D.

Volt

E.

Ampere

The Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) protocol is necessary in Wi-Fi networks because ___________.

A.

RF transmissions can be captured and decrypted without CSMA/CA.

B.

Wi-Fi clients need a standardized method of conserving battery power.

C.

802.11g and 802.11b transceivers need an interpreter for compatibility.

D.

The wireless transmission medium is half-duplex, thus shared by all users.

E.

Wireless data must be converted to a format that is compatible with Ethernet networks.

Which Wi-Fi technology simultaneously uses multiple radio chains to transmit or receive data?

A.

High Rate Direct Sequencing Spread Spectrum (HR/DSSS)

B.

Orthogonal Frequency Division Multiplexing (OFDM)

C.

Extended Rate Physical (ERP)

D.

Multiple Input, Multiple Output (MIMO)

What is used as a relative measurement of signal strength at the receiving client on an 802.11 wireless LAN?

A.

Watt

B.

dBm

C.

RSSI

D.

Milliwatt

Wi-Fi certified network devices can operate in what frequency band(s)?

A.

2.4 GHz only

B.

900 MHz, 2.4 GHz, and 5 GHz

C.

2.4 GHz and 5 GHz

D.

5.8 GHz only

Exhibit:

The Wi-Fi Multimedia (WMM) certification, which is illustrated in the exhibit, pertains to which topic?

A.

Fast BSS Transition

B.

Radio Resource Measurement

C.

Quality of Service

D.

Mesh Networking

E.

Dynamic Frequency Selection

F.

Security Enhancements

The two most common modes of WLAN discovery are passive scanning, where a client station listens for _________ frames, and active scanning, where a client sends and receives _________ frames.

A.

Data ; Null

B.

SSID ; Management

C.

Beacon ; Probe

D.

Probe Response ; Broadcast

E.

Discovery ; Control

Select the statement that correctly describes the Wi-Fi Alliance's primary role in the WLAN industry.

A.

The Wi-Fi Alliance is a WLAN industry analyst firm that reports market trends and developments.

B.

The Wi-Fi Alliance ensures interoperability of band selection and power settings across regulatory domains.

C.

The Wi-Fi Alliance creates compliance standards around which vendors can develop products.

D.

The Wi-Fi Alliance creates recommended practices by which the IEEE can test and certify product interoperability.

E.

The Wi-Fi Alliance tests and certifies product interoperability based upon standards created by the IEEE.