WorksheetsIT INFRA
Total questions: 45
Worksheet time: 16mins
What is network media?
A network device
A software application
The physical path where signals travel
An IP addressing system
Which cable type is commonly used in modern Ethernet networks?
Coaxial cable
Fiber-optic cable
Twisted-pair cable
Wireless media
How many individual copper wires are found in a UTP cable?
4
6
8
10
What type of twisted-pair cable uses metallic foil shielding?
UTP
STP
FTP
Coaxial
Which cable is widely used for video and cable internet connections?
Fiber-optic
UTP
Coaxial
Wireless
What is the main purpose of shielding in STP cables?
Increase flexibility
Reduce signal interference
Improve appearance
Lower cost
What type of cable is required when installing wiring in plenum spaces?
Coaxial cable
PVC cable
Plenum cable
Patch cable
Fiber-optic cables transmit data using:
Electrical signals
Radio waves
Light pulses
Infrared heat
Which fiber-optic cable supports longer distances and higher bandwidth?
Multimode fiber
Single-mode fiber
Coaxial fiber
Plastic fiber
What device distributes wireless signals to connect devices to a wired network?
Router
Switch
Wireless access point
Bridge
Which device sends data to all connected computers without filtering?
Switch
Hub
Router
Bridge
What is the main advantage of a switch over a hub?
Cheaper cost
Broadcasts data
Identifies destination devices
Uses wireless signals
Which device connects two different networks together?
Switch
Hub
Router
Patch panel
A bridge operates at which OSI layer?
Physical
Network
Transport
Data Link
What is the main function of a patch panel?
Amplify signals
Connect computers wirelessly
Organize and manage cables
Route traffic
Which tool attaches RJ45 connectors to cables?
Wire stripper
Punch down tool
Crimping tool
Cable tester
What tool removes the outer jacket of a network cable?
Crimping tool
Wire stripper
Punch down tool
Tester
Which tool tests cable continuity?
Crimping tool
Cable tester
Router
Repeater
What is the purpose of a repeater?
Filter packets
Regenerate signals
Connect wireless
Assign IP
What does RJ-45 stand for?
Radio Jack
Registered Jack-45
Router Jack
Remote Junction
Which configuration connects similar devices?
Straight-through
T568A
Crossover
Patch cable
Straight-through cable connects:
PC to PC
Switch to switch
PC to switch
Router to router
Which wiring standards are used for straight-through?
T568A and T568B
RJ11 and RJ45
UTP and STP
CAT5 and CAT6
In a straight-through cable, both ends are:
Different
Identical
Reversed
Unshielded
Which tool secures wires into keystone jack?
Punch down tool
Wire cutter
Tester
Max recommended untwist length?
36 inch
1 ¾ inch
½ inch
2 inches
Which wire color is always on the right?
Blue
Green
Orange
Brown
Too much untwisting causes:
Faster speed
Better signal
Crosstalk
No effect
Which tool checks proper crimping?
Router
Hub
Cable tester
Punch down tool
Which tool checks proper crimping?
Router
Hub
Cable tester
Punch down tool
A group of computers that share information and are connected through a communication medium.
(a)
A network limited to a small geographic area such as a building or school.
(a)
A network designed for communication among devices close to a person, such as smartphones and tablets.
(a)
A network that covers a large geographic area and may span cities or countries.
(a)
The largest wide area network in existence today.
(a)
A private network built over a public network like the Internet to provide secure communication.
(a)
A type of network where there is no dedicated server and all computers act as equals.
(a)
A network model that divides network communication into seven distinct layers.
(a)
The OSI layer responsible for user interaction with network services such as email and web browsing.
(a)
The OSI layer that handles data encryption, compression, and format translation
(a)
The OSI layer that establishes, manages, and terminates communication sessions.
(a)
The OSI layer responsible for flow control, error detection, and reliable data transfer.
(a)
The OSI layer that determines the best path for data to travel to its destination.
(a)
The OSI layer that provides MAC addressing and ensures error-free transmission across media.
(a)
The OSI layer that includes physical components such as cables, connectors, and network hardware.
(a)
