NEW
Font size
WorksheetsFINALS NET101
Total questions: 60
Worksheet time: 30mins
How many layers are in the OSI (Open Systems Interconnection) model?
4
5
7
9
Which layer is responsible for the interface between two applications on separate computers?
Transport
Application
Network
Session
Which of the following is an Application Layer protocol?
TCP
IP
HTTP
Ethernet
The first 24 bits of a MAC address are known as the:
IP Address
OUI (Organizationally Unique Identifier)
Frame ID
Port Number
What is the total length of a traditional MAC address?
32 bits
48 bits
64 bits
128 bits
Which layer handles "hop-to-hop" delivery within the same local network segment?
Physical Layer
Network Layer
Data Link Layer
Presentation Layer
MAC addresses are most commonly represented in which format?
Decimal
Binary
Octal
Hexadecimal
Which addressing method is considered "Physical" addressing?
Port Address
IP Address
MAC Address
URL
If a device moves to a new network, which address generally remains fixed?
IP Address
MAC Address
Logical Address
Gateway Address
Which layer is Layer 3 of the OSI model?
Transport
Network
Data Link
Session
Protocols like SMTP, POP3, and IMAP4 operate at which layer?
Layer 4
Layer 5
Layer 6
Layer 7
The "Logical Address" refers to which type of address?
MAC Address
Port Address
IP Address
Hardware Address
Which addressing method is used to identify a specific process or service on a device?
Physical Address
Port Address
Logical Address
Specific Address
How many hexadecimal digits are in a 48-bit MAC address?
8
10
12
16
Which layer of the OSI model is responsible for routing data across different networks?
Layer 1
Layer 2
Layer 3
Layer 4
A MAC address like 00:60:8C:00:54:99 uses what separator format?
Hyphenated
Dot-Hexadecimal
Colon-Hexadecimal
Slash-Hexadecimal
Which layer is considered the "Physical Layer"?
Layer 1
Layer 2
Layer 7
Layer 4
The last 24 bits of a MAC address are assigned by the:
IEEE
Manufacturer (NIC specific)
ISP
Network Administrator
What is the primary function of the OSI model?
To encrypt internet data
To provide a conceptual framework that standardizes network functions
To speed up Wi-Fi connections
To replace the TCP/IP model
Which program provides services to the user, such as a browser?
Utility Program
Application Program
System Driver
Firmware
What is the maximum allowable distance for horizontal cabling?
50 m
90 m
100 m
150 m
A short length of cabling (usually 3 to 25 feet) with connectors at both ends is a:
Backbone cable
Patch cable
Horizontal cable
Plenum cable
Which type of cable consists of insulated twisted-pair wires encased in a plastic sheath with NO extra shielding?
STP
UTP
Fiber-optic
Coaxial
Which cable type uses glass or plastic fibers to transmit data via light signals?
UTP
STP
Fiber-optic
Twinaxial
What does "STP" stand for in networking?
Simple Transmission Protocol
Shielded Twisted Pair
System Transfer Port
Standard Telephone Plug
Which type of fiber-optic cable is best for long-distance transmissions?
MMF (Multimode Fiber)
SMF (Single-mode Fiber)
UTP
STP
A diagram that shows how devices are physically connected by cables is called a:
Logical Topology
Physical Topology
Virtual Topology
Schematic Topology
Which topology describes how data actually flows through the network?
Physical Topology
Logical Topology
Geometric Topology
Cable Topology
Which organization set the standard for network diagram symbols (routers, switches, firewalls)?
Microsoft
IEEE
Cisco Systems
IBM
What is a "wiring schematic"?
A list of all IP addresses
A graphical representation of a network's wired infrastructure
A user manual for a router
A contract for internet service
Which cabling type connects workstations to the closest data room?
Patch cabling
Backbone cabling
Horizontal cabling
Entrance cabling
Fiber-optic cable transmits data using:
Electrical signals
Radio waves
Light signals
Sound waves
Copper-based cables (like UTP) transmit data using:
Light signals
Electric signals
Magnetic pulses
Infrared
Which cabling connects data rooms, floors, or buildings?
Horizontal cabling
Patch cabling
Backbone cabling
Drop cabling
What is the main advantage of STP over UTP?
It is cheaper
It is easier to install
It provides better protection against interference
It is more flexible
In a network diagram, what does a "cloud" symbol usually represent?
A local server
A database
The Internet or an external network
A wireless router
Which cable consists of wires surrounded by a metallic substance like foil?
UTP
Fiber-optic
STP
Patch cord
A "logical topology" focuses on:
The physical location of racks
The length of the cables
How data travels and interacts between devices
The color of the wires
Which device is commonly used to connect multiple devices on a local network (Layer 2)?
Router
Switch
Firewall
Modem
Which document shows every wire necessary to interconnect network devices?
Logical Diagram
Detailed Wiring Schematic
Physical topology snapshot
OUI Table
Which tool is used to remove the outer plastic jacket from an Ethernet cable?
Crimping Tool
Cable Tester
Cable Stripper
Punch Down Tool
What is the name of the standard connector used for Ethernet cables?
RJ-11
RJ-45
USB-C
BNC
Which wiring standard starts with the "White/Orange" wire?
T568A
T568B
T568C
T568D
Which wiring standard starts with the "White/Green" wire?
T568A
T568B
T568C
T568D
A "Straight-Through" cable uses:
T568A on one end, T568B on the other
The same standard (A or B) on both ends
Fiber on one end, Copper on the other
Only 4 out of 8 wires
What is the primary use of a "Crossover" cable?
Connecting a PC to a Switch
Connecting a PC to a Router
Connecting two similar devices (e.g., PC to PC)
Connecting a phone to a wall jack
What does the "Auto-MDIX" feature do?
Automatically crimps the cable
Automatically detects cable type and corrects signals
Increases the maximum distance of the cable
Tests the cable for continuity
In the T568B standard, what is the color of the wire at Pin 2?
Green
Orange
White/Orange
Blue
In the T568A standard, what is the color of the wire at Pin 6?
Green
Orange
Blue
Brown
Which tool is used to secure the RJ-45 connector onto the cable?
Screwdriver
Stripper
Crimping Tool
Pliers
How much of the outer jacket should be stripped from the cable end?
5 inches
1 inch (25 mm)
1/4 inch
The entire cable
A "Crossover" cable typically uses which combination?
T568A on both ends
T568B on both ends
T568A on one end, T568B on the other
RJ-11 on one end, RJ-45 on the other
When arranging wires for T568B, which color comes immediately after Blue?
Green
White/Blue
White/Green
Brown
Which device is used to check if a finished cable is working correctly?
Multimeter
Cable Tester
Oscilloscope
Crimper
In a Crossover cable, Pin 1 (Transmit) on one end connects to which Pin on the other?
Pin 1
Pin 2
Pin 3
Pin 6
What is the color of the 8th pin in both T568A and T568B standards?
White/Brown
Brown
Orange
Green
Before inserting wires into the RJ-45 plug, you should:
Dip them in solder
Cut them to be straight and even
Tie them in a knot
Remove the insulation from each individual wire
Connecting a "Computer to a Switch" typically requires which cable?
Crossover
Straight-Through
Rollover
Fiber
Which pin number corresponds to the "White/Blue" wire in both standards?
3
4
5
6
Why are the wires inside the cable twisted in pairs?
To make the cable stronger
To reduce electromagnetic interference (crosstalk)
To save space
To identify the colors easier
