Question 1

Which of the following statements about fiber-optic cabling is accurate?

Accepted Answer

A)  Fiber-optic cabling has a low resistance to signal noise. 
B)  Light experiences virtually no resistance when traveling through glass. 
C)  Fiber-optic cable is cheaper than shielded twisted pair cabling. 
D)  The maximum length for a fiber segment is 20km. 
A)  Fiber-optic cabling has a low resistance to signal noise. 
B)  Light experiences virtually no resistance when traveling through glass. 
C)  Fiber-optic cable is cheaper than shielded twisted pair cabling. 
D)  The maximum length for a fiber segment is 20km.

Question 2

The 1000Base-LX utilizes light with what wavelength?

Accepted Answer

A)  850 nanometers 
B)  1200 nanometers 
C)  1300 nanometers 
D)  1550 nanometers 
A)  850 nanometers 
B)  1200 nanometers 
C)  1300 nanometers 
D)  1550 nanometers

Question 3

What is the biggest limiting factor on fiber-optic cable length?

Accepted Answer

The maximum length limitation is due pri

Question 4

What multiplexing technology lowers cost by spacing frequency bands wider apart to allow for cheaper transceiver equipment?

Accepted Answer

A)  statistical time division multiplexing 
B)  dense wavelength division multiplexing 
C)  coarse wavelength division multiplexing 
D)  spaced wavelength division multiplexing 
A)  statistical time division multiplexing 
B)  dense wavelength division multiplexing 
C)  coarse wavelength division multiplexing 
D)  spaced wavelength division multiplexing

Question 5

Latency on data networks is based on a calculation of a packet's round trip time (RTT).

Accepted Answer

A) True 
 B)False

Question 6

A short circuit is one where needed connections are missing, such as when a wire breaks.

Accepted Answer

A) True 
 B)False

Question 7

How does a time domain reflectometer (TDR) work?

Accepted Answer

A TDR issues a signal on a cable and the

Question 8

What statement describes a transmission flaw that is occurring due to attenuation?

Accepted Answer

A)  A customer modem is continuously losing signal due to large distance from the transmitting device. 
B)  A network switch interface is dropping due to a powerful radio transmitter in the adjacent room. 
C)  A customer's video conferencing application is experiencing delay in audio and video that comes and goes. 
D)  Two network interfaces are experiencing problems at the same time due to the cables having adjacent runs. 
A)  A customer modem is continuously losing signal due to large distance from the transmitting device. 
B)  A network switch interface is dropping due to a powerful radio transmitter in the adjacent room. 
C)  A customer's video conferencing application is experiencing delay in audio and video that comes and goes. 
D)  Two network interfaces are experiencing problems at the same time due to the cables having adjacent runs.

Question 9

Bidirectional transceivers utilize what technology to separate the data in each direction?

Accepted Answer

A)  wavelength division multiplexing 
B)  time division multiplexing 
C)  frequency division multiplexing 
D)  statistical time division multiplexing 
A)  wavelength division multiplexing 
B)  time division multiplexing 
C)  frequency division multiplexing 
D)  statistical time division multiplexing

Question 10

A time domain reflectometer sends a signal and analyzes the return signal's change in amplitude to determine where cable imperfections may exist.

Accepted Answer

A) True 
 B)False

Which of the following statements about fiber-optic cabling is accurate?

The 1000Base-LX utilizes light with what wavelength?

What is the biggest limiting factor on fiber-optic cable length?

What multiplexing technology lowers cost by spacing frequency bands wider apart to allow for cheaper transceiver equipment?

Latency on data networks is based on a calculation of a packet's round trip time (RTT).

A short circuit is one where needed connections are missing, such as when a wire breaks.

How does a time domain reflectometer (TDR) work?

What statement describes a transmission flaw that is occurring due to attenuation?

Bidirectional transceivers utilize what technology to separate the data in each direction?

A time domain reflectometer sends a signal and analyzes the return signal's change in amplitude to determine where cable imperfections may exist.

Introduction to Networking

Network Infrastructure and Documentation

Addressing on Networks

Network Protocols and Routing

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Exam 5: Network Cabling

Which of the following statements about fiber-optic cabling is accurate?

The 1000Base-LX utilizes light with what wavelength?

What is the biggest limiting factor on fiber-optic cable length?

What multiplexing technology lowers cost by spacing frequency bands wider apart to allow for cheaper transceiver equipment?

Latency on data networks is based on a calculation of a packet's round trip time (RTT).

A short circuit is one where needed connections are missing, such as when a wire breaks.

How does a time domain reflectometer (TDR) work?

What statement describes a transmission flaw that is occurring due to attenuation?

Bidirectional transceivers utilize what technology to separate the data in each direction?

A time domain reflectometer sends a signal and analyzes the return signal's change in amplitude to determine where cable imperfections may exist.

Introduction to Networking

Network Infrastructure and Documentation

Addressing on Networks

Network Protocols and Routing

Wireless Networking

Virtualization and Cloud Computing

Subnets and VLANs

Network Risk Management

Security in Network Design

Network Performance and Recovery

Wide Area Networks

Filters