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Quiz von Christopher Griffin, aktualisiert more than 1 year ago
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Erstellt von Christopher Griffin
vor etwa 8 Jahre
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Frage 1
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What is a measure of the antenna’s focus.
Antworten
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beamwidth
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frequency
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cycle
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wave
Frage 2
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Number of times a signal completes a cycle 1 second.
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frequency
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cycle
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rotation
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rate
Frage 3
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A signal rising from the center line, falls through the center line, and rises again to meet the center line.
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rate
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cycle
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frequency
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amplitude
Frage 4
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The most commonly used frequency unit and is nothing other than one cycle per second.
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miliwatts
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hertz
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decibel
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volts
Frage 5
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What two main frequency ranges used for wireless LAN communication
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5 GHz
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2.4 MHz
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2.4 GHz
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4.0 MHz
Frage 6
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Technique which uses specific numbers and is assigned to a specific frequency.
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channel
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wave
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scheme
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frequency
Frage 7
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The frequency range needed to transmit a signal, used by a single channel or a single RF signal.
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electric band
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bandwidth
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amplitude
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phase
Frage 8
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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.
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Phase
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Wave
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Frequency
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amplitude
Frage 9
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A measure of physical distance that a wave travels over one complete cycle.
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phase
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bandwidth
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wavelength
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frequency
Frage 10
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The height from the top peak to the bottom peak of the signal’s waveform,
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phase
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wavelength
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Frequency
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Amplitude
Frage 11
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The strength of an RF signal is usually measured by its power, in ________.
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Volts
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Amps
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wavelength
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Watts
Frage 12
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Define Term - DRS.
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Defense sequence spectrum
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Dynamic rate shifting
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Define Rate Scale
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Does Rate System
Frage 13
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Define Term - MCS
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mobile controller system
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modulation and coding schemes
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metric call system
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none
Frage 14
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In a BSS, if you disable lower data rates
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effectively reduces the usable size of the AP’s cell
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radio frequency (RF) footprint remains the same
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no changes
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higher throughput
Frage 15
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To provide robust wireless coverage to an ever-increasing area, you should:
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Add more power
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Add additional APs to build an ESS that covers more area.
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remove clients from BSS
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Tune the cell size based on data rates and performance
Frage 16
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The process of moving an association from one AP to the next, so that the wireless connection is maintained as the client moves.
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FlexConnect
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Roaming
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Uplink
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BSS
Frage 17
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You should lay the cells out, which the pattern is seamless, leaving no holes in coverage.
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Honeycomb
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Isolation from interference
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BSA
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Small Space
Frage 18
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Alternating channels to avoid overlap is commonly
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Channel Reuse
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Honeycomb
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Three-dimension space
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Flow Pattern
Frage 19
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Needed to automatically determine the location of wireless devices.
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real-time location services (RTLS)
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modulation and coding (MCS)
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Radio Resource Meter (RRM)
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Dynamic Channel Allocation (DCA)
Frage 20
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Site survey tools can be grouped into three basic categories based on their installation base:
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Standalone
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Open-Standard
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Server-based
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Cloud-based
Frage 21
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Three basic types of site survey that you can perform as you plan and deploy a wireless network:
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Predictive survey
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Passive survey
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Active survey
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Standalone
Frage 22
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Analyze the environment to select AP locations when no APs have been deployed yet;
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Predictive survey
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MCS
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Honeycomb
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Passive survey
Frage 23
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What tool to detect and identify any sources of interference you might encounter in the wireless coverage area.
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spectrum analyzer
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Mapping Tool
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Fluke Networks
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RRM
Frage 24
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Which tools perform predictive site survey:
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Ekahua Site Survey
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Fluke Networks AirMAgnet Survey Pro
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PI
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MetaGeek Chanalyzer
Frage 25
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To measure the effects of any existing APs in an area,
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Passive
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Active
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Spectrum Analyzer
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RRM
Frage 26
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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.
Antworten
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Autonomous AP
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FlexConnect
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LAP
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Converge Network
Frage 27
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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.
Antworten
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Cloud-based Architecture
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Autonomous
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FlexConnect
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Central APs
Frage 28
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This logical plan used traffic used to control, configure, manage, and monitor the AP itself
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Control plane
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Data plane
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MCS
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Central Routing
Frage 29
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This logical plan used end-user traffic passing through the AP.
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Data Plane
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ACI
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Control Plane
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Trunk
Frage 30
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In a split-MAC Architectures which of the following are management functions:
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RF Management
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MAC Management
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Encryption
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RF Transmit/Receive
Frage 31
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In a split-MAC Architectures which of the following are management functions:
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Client Authentication
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QOS
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Security Management
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MAC Management
Frage 32
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LAP gets its name because the code image and the local intelligence are stripped down, or lightweight, compared to the traditional autonomous AP.
Antworten
- True
- False
Frage 33
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The management functions are usually performed on a access switch, Split-MAC Architectures
Antworten
- True
- False
Frage 34
Frage
Tunneling protocol makes this all possible by encapsulating the data between the LAP and WLC within new IP packets.
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CAPWAP
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RRM
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WAP-TLS
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Trunk
Frage 35
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Messages are authenticated, encrypted, and used for exchanges that are used to configure the LAP and manage its operation over port 5246.
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CAPWAP control messages
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Roaming Control
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CAPWAP data
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Trunk
Frage 36
Frage
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.
Antworten
- True
- False
Frage 37
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What is a band and number of channels for 2.4 GHz range?
Antworten
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4.075 - 4.875 and 1 thru 14
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4.125 - 4.805 and 3 thru 14
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2.412 - 2.484 and 1 thru 14
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2.125 - 2.805 and 3 thru 14
Frage 38
Frage
The channel spacing is known as the
Antworten
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channel separation
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uplink
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channel bandwidth
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number of frequencies
Frage 39
Frage
According to power measurements, which are absolute powers
Antworten
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watts
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milliwatts
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centimeters
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amps
Frage 40
Frage
The decibel (db) is a handy function used logartihms to compare absolute measurement.
Antworten
- True
- False
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