WorksheetsNet+ 2.4
Total questions: 44
Worksheet time: 52mins
What are the three elements that construct a single optical fiber?
Which component of a single optical fiber provides the transmission path for light signals?
The core.
The cladding.
The buffer coating.
The outer jacket.
True or False: Fiber optic signaling uses pulses of infrared light, which are not susceptible to EMI.
True
False
What is the purpose of cladding in a single optical fiber?
What is the core size range for Single Mode Fiber (SMF)?
8 to 10 microns
62.5 or 50 microns
125 microns
What is the wavelength range used by Single Mode Fiber (SMF)?
850 nm
1,310 nm or 1,550 nm
1,300 nm
Fill in the blank: Multimode Fiber (MMF) has a larger core size of _______ microns.
62.5 or 50
100
25
10
What is the main advantage of using SMF over MMF?
Less expensive optics
Supports higher signaling speeds
Suitable for LANs
Fill in the blank: OM1/OM2 cables are mainly rated for applications up to _______ Gbps.
1
10
40
100
What is the mechanism used by the Straight Tip (ST) connector?
Push-and-twist locking
Push/pull design
Tabbed push/pull design
The Subscriber Connector (SC) is commonly used for ________ Ethernet.
Gigabit
Fast
10Base-T
100Base-TX
Which connector is known for its small-form-factor and tabbed push/pull design?
Straight Tip (ST)
Subscriber Connector (SC)
Local Connector (LC)
What is the purpose of installing fiber optic cables in pairs?
To increase the bandwidth capacity
To provide redundancy in case one cable fails
To allow for bidirectional communication
To reduce installation costs
In fiber optic patch cords, what must be maintained to ensure the Tx port on the transmitter is linked to the Rx port on the receiver?
Polarity
Frequency
Voltage
Current
Which of the following is a finishing type for the tip of a fiber optic connector?
Ultra Physical Contact (UPC)
Standard Physical Contact (SPC)
Angled Physical Contact (APC)
Transmitted optical signals are visible as bright white spots when viewed through a smartphone camera.
True
False
What does APC stand for in the context of connectors?
APC stands for Angled Physical Contact.
APC stands for Advanced Power Connector.
APC stands for Automatic Power Control.
APC stands for Active Port Connection.
Which connector color is associated with OM1 cable type?
What is the jacket color for SMF APC cable type?
True or False: APC finishing is often supported by patch panels, transceivers, and switch ports designed for Ethernet.
True
False
Match the following cable types with their corresponding jacket colors:
OM1
OM1
OM2
OM2
OM3/OM4
OM3/OM4
SMF PC/UPC
SMF PC/UPC
SMF APC
SMF APC
What might replace copper wiring in a modern build or refurbishment?
Fiber optic cabling
Coaxial cabling
Ethernet cabling
Wireless connections.
Why is it essential not to frequently replace cable runs through conduit?
It can cause wear and tear on the cables and conduit.
It is a cost-effective practice.
It improves the efficiency of the electrical system.
It is required by electrical codes.
What is the purpose of fiber patch cables in a fiber distribution panel setup?
To provide power to the fiber distribution panel
To connect and route fiber optic signals between devices
To convert fiber optic signals to electrical signals
To secure the fiber distribution panel to a rack
What does MPO stand for in the context of fiber optic connectors?
How many strands are typically bundled in an MPO backbone ribbon cable?
What are the two variants of MPO cables mentioned in the text?
What is the purpose of MPO in fiber optic networks?
How many fiber strands are required for a 40 Gbps link comprising 4 x 10 Gbps lanes?
Which of the following is an example of an input device?
Printer
Monitor
Keyboard
Speaker
What is the main function of the CPU in a computer?
Store data
Process data
Display data
Transmit data
Which component is considered the 'brain' of the computer?
RAM
Hard Drive
CPU
Motherboard
Fill in the blank: The _______ is responsible for storing data permanently.
Hard Drive
RAM
CPU
Graphics Card
Which of the following is not an operating system?
Windows
Linux
Python
macOS
Fill in the blank: The main circuit board in a computer is called the _______.
Motherboard
Processor
Hard Drive
Power Supply
What does RAM stand for?
Random Access Memory
Read Access Memory
Run Access Memory
Rapid Access Memory
Fill in the blank: The _______ is used to connect a computer to a network.
Network Interface Card
Graphics Card
Sound Card
Power Supply
Which of the following is a type of software?
CPU
RAM
Operating System
Hard Drive
Fill in the blank: A _______ is used to produce a hard copy of documents.
Printer
Scanner
Monitor
Keyboard
What is Wavelength Division Multiplexing (WDM)?
How many fiber strands does a duplex fiber channel link use?
2
4
6
8
What is the function of Bidirectional Wavelength Division Multiplexing (BWDM)?
How many wavelengths does Coarse Wavelength Division Multiplexing (CWDM) support?
Coarse Wavelength Division Multiplexing (CWDM) supports 16 wavelengths.
Coarse Wavelength Division Multiplexing (CWDM) supports 8 wavelengths.
Coarse Wavelength Division Multiplexing (CWDM) supports 12 wavelengths.
Coarse Wavelength Division Multiplexing (CWDM) supports 24 wavelengths.
What is the difference between CWDM and DWDM in terms of channel spacing?
