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WorksheetsIT 3 (2nd sem prelim) Fiber Optic
Total questions: 50
Worksheet time: 25mins
The medium used by fiber optic cables to transmit data.
Electrical current
Radio-frequency waves
Light pulses
Magnetic fields
The main advantage of fiber optic cables over traditional copper cables.
Lower latency due to shielding
Greater bandwidth and immunity to electromagnetic interference
Easier termination with crimp tools
Higher resistance to moisture compared to copper
The connector known as the Subscriber Connector.
LC
SC
ST
FC
The coupling mechanism used by SC connectors.
Threaded barrel nut
Bayonet-twist lock
Push-pull latch
Adhesive bond
A key application where SC connectors are commonly used.
Home audio systems
Telecommunications and enterprise networking
Automotive wiring harnesses
Low-voltage lighting
The connector that is smaller than SC and ideal for high-density applications.
ST
LC
FC
MPO
The coupling mechanism used by LC connectors.
Threaded ferrule
Bayonet lock
RJ-style latch
Heat-shrink clamp
Networking devices where LC connectors are commonly found.
Analog coax splitters
SFP and SFP+ transceiver modules in switches and routers
Speaker crossovers
Cable television amplifiers
The connector also known as Straight Tip.
ST
SC
LC
FC
The coupling mechanism used by ST connectors.
Push-pull latch
Bayonet-twist lock
Threaded barrel nut
Spring clip
A type of installation where ST connectors are typically used today.
Legacy multimode campus networks
Modern single-mode long-haul DWDM links
Consumer Wi‑Fi routers
High-voltage power distribution
The connector that uses a threaded barrel nut mechanism.
SC
LC
FC
MTP/MPO
An environment where FC connectors are most suitable.
High‑vibration telecom and industrial equipment
Short patch leads in home networks
Underwater copper cabling
Wireless access points
The type of fiber most commonly used with FC connectors.
Plastic optical fiber
Single‑mode fiber
Copper twinax
Hollow‑core fiber
The connector known as Mechanical Transfer Registered Jack.
LC
MT‑RJ
FC
ST
A unique feature of MT‑RJ connectors related to fiber transmission.
Holds twelve fibers in one ferrule
Uses an adhesive-bond termination
Provides duplex transmission with two fibers in a small form factor
Employs a threaded coupling for vibration resistance
A common application of MT‑RJ connectors.
Parallel optics in hyperscale data centers
Small‑form‑factor duplex multimode links in LANs
Marine cabling for SONAR arrays
Copper Ethernet patch panels
The connector designed to hold multiple fibers in a single ferrule.
SC
LC
MPO
ST
The full meaning of MPO.
Multi‑Port Optical
Multi‑Fiber Push‑On
Modular Photonic Output
Managed Patch Optics
An application where MPO connectors are most commonly used.
Low‑speed serial interfaces
High‑density cabling for data centers and parallel optics
Residential cable TV drops
Automotive CAN bus
A major advantage of MPO connectors in large installations.
Improved radio reception
Ability to connect many fibers at once for higher density and faster deployment
Compatibility with copper RJ45 jacks
Built‑in wireless capability
A factor to consider when selecting a fiber optic connector.
Connector color alone
Insertion loss and return loss specifications
Number of copper pairs
AC voltage rating
A maintenance practice essential for optimal fiber optic performance.
Polishing only new connectors
Regular cleaning of connector endfaces
Painting connector boots to reduce glare
Heating connectors before insertion
A connector characteristic that minimizes signal loss.
Large core misalignment
High insertion loss
Low insertion loss with precise ferrule alignment
Thin copper conductors
The overall goal of using appropriate fiber optic connectors in a network.
Reduce equipment cost regardless of performance
Ensure reliable, low‑loss, high‑bandwidth connectivity and scalability
Eliminate the need for any maintenance
Avoid standards compliance
Fiber optic cables transmit data using ________.
Electrical signals
Radio waves
Light pulses
Magnetic fields
Which connector uses a push‑pull coupling mechanism?
LC
SC
The square-shaped fiber optic connector is the ________.
LC connector
ST connector
SC connector
MPO connector
LC connectors are best suited for ________.
Low-speed networks
High-density applications
Industrial-only use
Military systems only
Which connector uses a latch mechanism?
SC
ST
LC
FC
LC connectors are commonly used in which devices?
Power supplies
Switches and routers
Printers
Monitors
Which connector requires a twist-on and twist-off motion?
SC
LC
ST
MPO
ST connectors are most commonly found in ________.
Modern data centers
Wireless systems
Older LAN installations
Home Wi-Fi routers
Which connector uses a threaded barrel nut?
LC
SC
ST
FC
FC connectors are ideal for ________ environments.
Office-only
High-vibration
Residential
Temporary
Which connector has a metal housing for EMI protection?
SC
LC
FC
MT-RJ
MT-RJ connectors are best described as ________ connectors.
Simplex
Duplex
A common application of MT-RJ connectors is ________.
Satellite systems
Fiber to the desk
Undersea cables
Television broadcasting
Which connector allows easy polarity reversal?
SC
LC
MT-RJ
FC
MPO connectors are primarily used for ________.
Low-speed links
Single-device connections
High-density fiber connections
Audio transmission
MPO connectors are ideal for which environment?
Home networks
Data centers
Analog systems
Telephone lines
What does MPO stand for?
Multi-Protocol Optical
Multiple Path Output
Multi-Fiber Push-On/Pull-Off
Modular Plug Optical
A major benefit of MPO connectors is ________.
Reduced signal speed
Increased installation time
Rapid deployment
Manual configuration
Which connector type supports high-speed parallel optical links?
SC
LC
ST
MPO
Which factor is important when choosing a fiber optic connector?
Color preference
Environmental conditions
Keyboard compatibility
Screen resolution
Proper handling of fiber optic connectors helps prevent ________.
Power loss
Signal degradation
Software errors
Hardware overheating
Cleaning fiber optic connectors is important to ________.
Improve aesthetics
Ensure optimal performance
Increase cable length
Reduce costs
Which connector is mainly used with single-mode fibers?
MT-RJ
FC
SC
MPO
Fiber optic connectors help ensure ________.
Wireless connectivity
Seamless communication
Voice-only transmission
Manual data transfer
The primary purpose of fiber optic connectors is to ________.
Store data
Terminate and connect fiber cables
Generate light signals
Convert analog to digital signals
