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BNSF TELECOM 1 EXAM QUESTIONS WITH 100% CORRECT DETAILED ANSWERS

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BNSF TELECOM 1 EXAM QUESTIONS WITH 100% CORRECT DETAILED ANSWERS What indicates how much "throughput" (data delivered including all overhead) the circuit is capable of, based on allowable operating frequency. - Answer-Bandwidth NIC = "Network Interface Card" - Answer-is the card in the compute...

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  • October 20, 2024
  • 18
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • BNSF TELECOM 1
  • BNSF TELECOM 1

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BNSF TELECOM 1 EXAM QUESTIONS
WITH 100% CORRECT DETAILED
ANSWERS

What indicates how much "throughput" (data delivered including all overhead) the circuit
is capable of, based on allowable operating frequency. - Answer-Bandwidth

NIC = "Network Interface Card" - Answer-is the card in the computer that translates to
and from IP packets on the CAT (x,5,6,7) cabling from the computer communication
bus.

GBIC = "Gigabit Interface Converter" aka SFP Module - Answer-is a transceiver that
converts electric currents (digital highs and lows) to optical signals, and optical signals
to digital electric currents. This is typically employed in fiber optic and Ethernet systems
as an interface for high-speed networking

Media converters - Answer-Used for connecting one type of medium to another medium
(twisted pair cable to fiber optics cable)
can be used to interface copper to fiber links in equipment as well

A network switch - Answer-is a central communication device for local area Ethernet
networks.

A thin client - Answer-is a lightweight computer that has been optimized for establishing
a remote connection with a server-based computing environment

A device (like a laptop) uses to request an IP address from the router -
Answer-DHCP

Part of sweep gear may include - Answer-Frequency Domain Reflectometer (FDR)

ERP (Effective Radiated Power) - Answer-A power measurement that takes antenna
gain into account (Power out, Connector loss, Coax, loss lightning protection loss,
Antenna gain)

diplexer/branching drawer - Answer-frequency specific, adjusted by manufacturer,
match one end to the other

RSL (Receive Signal Level) can be used diagnose - Answer-Dish alignment and TX
power of the remote radio

How can RSL can be found - Answer-After logging into the radio with the proper IP
address for that radio
with a web browser.

,WCC Maintenance Tool is used for - Answer--To look at receive signal strength
indication levels (RSSI) at the base stations and waysides
— To see which base stations are currently being used to communicate
-Each wayside is typically designed per Engineering standard to have three base
stations available for use. A primary, secondary, and a tertiary.

If someone says their HCLS is not working ask them if what light is on - Answer-NET
Light

Narrow Band Deviation - Answer-+-2.5 kHz

Very Narrow Band Deviation - Answer-+-1.25 kHz

Frequency Tolerance 2ppm @ 100 Mhz - Answer-How far above/below advertised
frequency and still be within spec. 200Hz

What is Deviation and meaning - Answer-FM modulation, means excursion of the
carrier above and below (±) the center (unmodulated) RF carrier frequency

Duty Cycle listed as: - Answer-a percentage of time radio can be at full power vs time at
rest (cooling down)

A fuse should be placed where - Answer-Close to the power source

Net Light on VDU generally means - Answer-it's operating properly and communicating
to a base radio

A ground kit is not an - Answer-arrestor but rather an equalizer

How often should battery PMs be done - Answer-1 time a year

Transmission Sweep function includes - Answer-Frequency (SWR or Return Loss)
Distance to Fault (Reflection)
Cable Loss

Sweep gear may include - Answer-Frequency Domain Reflectometer (FDR)

3 Basic rules for accurate DTF - Answer-Sweep Wide
Select correct velocity factor/line
Calibrate

When sweeping check what first - Answer-SWR or Return loss

A dipole is the basic reference for what and is how many dB - Answer-gain, 0 (passive)

Interference on 5.8 Ghz can - Answer-be adjusted by finding an empty slot if
interference is found

, FCC Licence will display - Answer-TX/RX Frequencies, TX Power level, max ERP
Rating, Equipment used, etc

10^-3 BER is 1 out of errors - Answer-1000

What must be done before activating a DC plant - Answer-Verify Polarity (can vary 18 to
54vDC)

IPv4, first 3 octets are known as - Answer-Subnet

IPv4, Last octets are known as - Answer-Specified to device on the LAN

What should be done before certification of LAN - Answer-make sure there are no
active devices attached to circuit

Reasons to use wifi include - Answer-often used to cover a large area that could be
difficult to run cable to for all the users.
It also allows for mobility for the users versus being connected via a cable

Serial Connections can be as simple as - Answer-TX
RX,
Common or Ground

RS-232 max distance - Answer-50'

RS-232 and RS-422 defines a protocol with rules and standards that govern how
and talk - Answer-DTE (Terminal PC) and DCE (Modem)

PTC Wayside Radio Terminal Voltage - Answer-13.6V

PTC Base Terminal Voltage - Answer-48V

CTC test Radio Service Monitor typical radio check includes - Answer-Frequency Error
Deviation,
Power Output
Receiver Sensitivity

Narrow Band or Very Narrow Band channels are used at different places on BNSF.
Where can they be found - Answer-Time Table

Method for checking cell/battery is doing a - Answer-Conductance test

Types of video include - Answer-Analog (Coax)
Digital IP (POE)
(?PTZ)

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