Christopher Griffin
Quiz by , created more than 1 year ago

1.1 Describe the propagation of radio waves 1.2 Interpret RF signal measurements 1.3 Explain the principles of RF mathematics 1.4 Describe Wi-Fi antenna characteristics

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Christopher Griffin
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1.0 RF Fundamentals

Question 1 of 40

1

What is a measure of the antenna’s focus.

Select one of the following:

  • beamwidth

  • frequency

  • cycle

  • wave

Explanation

Question 2 of 40

1

Number of times a signal completes a cycle 1 second.

Select one of the following:

  • frequency

  • cycle

  • rotation

  • rate

Explanation

Question 3 of 40

1

A signal rising from the center line, falls through the center line, and rises again to meet the center line.

Select one of the following:

  • rate

  • cycle

  • frequency

  • amplitude

Explanation

Question 4 of 40

1

The most commonly used frequency unit and is nothing other than one cycle per second.

Select one of the following:

  • miliwatts

  • hertz

  • decibel

  • volts

Explanation

Question 5 of 40

1

What two main frequency ranges used for wireless LAN communication

Select one or more of the following:

  • 5 GHz

  • 2.4 MHz

  • 2.4 GHz

  • 4.0 MHz

Explanation

Question 6 of 40

1

Technique which uses specific numbers and is assigned to a specific frequency.

Select one of the following:

  • channel

  • wave

  • scheme

  • frequency

Explanation

Question 7 of 40

1

The frequency range needed to transmit a signal, used by a single channel or a single RF signal.

Select one of the following:

  • electric band

  • bandwidth

  • amplitude

  • phase

Explanation

Question 8 of 40

1

The signal is a measure of shift in time relative to the start of a cycle. Phase is normally measured in degrees, where 0 degrees is at the start of a cycle, and one complete cycle equals 360 degrees.

Select one of the following:

  • Phase

  • Wave

  • Frequency

  • amplitude

Explanation

Question 9 of 40

1

A measure of physical distance that a wave travels over one complete cycle.

Select one of the following:

  • phase

  • bandwidth

  • wavelength

  • frequency

Explanation

Question 10 of 40

1

The height from the top peak to the bottom peak of the signal’s waveform,

Select one of the following:

  • phase

  • wavelength

  • Frequency

  • Amplitude

Explanation

Question 11 of 40

1

The strength of an RF signal is usually measured by its power, in ________.

Select one of the following:

  • Volts

  • Amps

  • wavelength

  • Watts

Explanation

Question 12 of 40

1

Define Term - DRS.

Select one of the following:

  • Defense sequence spectrum

  • Dynamic rate shifting

  • Define Rate Scale

  • Does Rate System

Explanation

Question 13 of 40

1

Define Term - MCS

Select one of the following:

  • mobile controller system

  • modulation and coding schemes

  • metric call system

  • none

Explanation

Question 14 of 40

1

In a BSS, if you disable lower data rates

Select one or more of the following:

  • effectively reduces the usable size of the AP’s cell

  • radio frequency (RF) footprint remains the same

  • no changes

  • higher throughput

Explanation

Question 15 of 40

1

To provide robust wireless coverage to an ever-increasing area, you should:

Select one or more of the following:

  • Add more power

  • Add additional APs to build an ESS that covers more area.

  • remove clients from BSS

  • Tune the cell size based on data rates and performance

Explanation

Question 16 of 40

1

The process of moving an association from one AP to the next, so that the wireless connection is maintained as the client moves.

Select one of the following:

  • FlexConnect

  • Roaming

  • Uplink

  • BSS

Explanation

Question 17 of 40

1

You should lay the cells out, which the pattern is seamless, leaving no holes in coverage.

Select one of the following:

  • Honeycomb

  • Isolation from interference

  • BSA

  • Small Space

Explanation

Question 18 of 40

1

Alternating channels to avoid overlap is commonly

Select one of the following:

  • Channel Reuse

  • Honeycomb

  • Three-dimension space

  • Flow Pattern

Explanation

Question 19 of 40

1

Needed to automatically determine the location of wireless devices.

Select one of the following:

  • real-time location services (RTLS)

  • modulation and coding (MCS)

  • Radio Resource Meter (RRM)

  • Dynamic Channel Allocation (DCA)

Explanation

Question 20 of 40

1

Site survey tools can be grouped into three basic categories based on their installation base:

Select one or more of the following:

  • Standalone

  • Open-Standard

  • Server-based

  • Cloud-based

Explanation

Question 21 of 40

1

Three basic types of site survey that you can perform as you plan and deploy a wireless network:

Select one or more of the following:

  • Predictive survey

  • Passive survey

  • Active survey

  • Standalone

Explanation

Question 22 of 40

1

Analyze the environment to select AP locations when no APs have been deployed yet;

Select one or more of the following:

  • Predictive survey

  • MCS

  • Honeycomb

  • Passive survey

Explanation

Question 23 of 40

1

What tool to detect and identify any sources of interference you might encounter in the wireless coverage area.

Select one of the following:

  • spectrum analyzer

  • Mapping Tool

  • Fluke Networks

  • RRM

Explanation

Question 24 of 40

1

Which tools perform predictive site survey:

Select one or more of the following:

  • Ekahua Site Survey

  • Fluke Networks AirMAgnet Survey Pro

  • PI

  • MetaGeek Chanalyzer

Explanation

Question 25 of 40

1

To measure the effects of any existing APs in an area,

Select one of the following:

  • Passive

  • Active

  • Spectrum Analyzer

  • RRM

Explanation

Question 26 of 40

1

AP is self-contained; it is equipped with both wired and wireless hardware so that the wireless client associations can be terminated onto a wired connection locally at the AP.

Select one of the following:

  • Autonomous AP

  • FlexConnect

  • LAP

  • Converge Network

Explanation

Question 27 of 40

1

To help manage more and more autonomous APs as the wireless network grows, AP management function is pushed out of the enterprise and into the Internet cloud.

Select one of the following:

  • Cloud-based Architecture

  • Autonomous

  • FlexConnect

  • Central APs

Explanation

Question 28 of 40

1

This logical plan used traffic used to control, configure, manage, and monitor the AP itself

Select one of the following:

  • Control plane

  • Data plane

  • MCS

  • Central Routing

Explanation

Question 29 of 40

1

This logical plan used end-user traffic passing through the AP.

Select one of the following:

  • Data Plane

  • ACI

  • Control Plane

  • Trunk

Explanation

Question 30 of 40

1

In a split-MAC Architectures which of the following are management functions:

Select one of the following:

  • RF Management

  • MAC Management

  • Encryption

  • RF Transmit/Receive

Explanation

Question 31 of 40

1

In a split-MAC Architectures which of the following are management functions:

Select one or more of the following:

  • Client Authentication

  • QOS

  • Security Management

  • MAC Management

Explanation

Question 32 of 40

1

LAP gets its name because the code image and the local intelligence are stripped down, or lightweight, compared to the traditional autonomous AP.

Select one of the following:

  • True
  • False

Explanation

Question 33 of 40

1

The management functions are usually performed on a access switch, Split-MAC Architectures

Select one of the following:

  • True
  • False

Explanation

Question 34 of 40

1

Tunneling protocol makes this all possible by encapsulating the data between the LAP and WLC within new IP packets.

Select one of the following:

  • CAPWAP

  • RRM

  • WAP-TLS

  • Trunk

Explanation

Question 35 of 40

1

Messages are authenticated, encrypted, and used for exchanges that are used to configure the LAP and manage its operation over port 5246.

Select one of the following:

  • CAPWAP control messages

  • Roaming Control

  • CAPWAP data

  • Trunk

Explanation

Question 36 of 40

1

Every LAP and WLC must also authenticate each other with digital certificates. An X.509 certificate is preinstalled in each device when it is purchased.

Select one of the following:

  • True
  • False

Explanation

Question 37 of 40

1

What is a band and number of channels for 2.4 GHz range?

Select one of the following:

  • 4.075 - 4.875 and 1 thru 14

  • 4.125 - 4.805 and 3 thru 14

  • 2.412 - 2.484 and 1 thru 14

  • 2.125 - 2.805 and 3 thru 14

Explanation

Question 38 of 40

1

The channel spacing is known as the

Select one or more of the following:

  • channel separation

  • uplink

  • channel bandwidth

  • number of frequencies

Explanation

Question 39 of 40

1

According to power measurements, which are absolute powers

Select one or more of the following:

  • watts

  • milliwatts

  • centimeters

  • amps

Explanation

Question 40 of 40

1

The decibel (db) is a handy function used logartihms to compare absolute measurement.

Select one of the following:

  • True
  • False

Explanation

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