CompTIA A+ Core 1: Networking Fundamentals QUESTIONS
AND ASNWERS YEAR 2025.
Which statement are correct about TCP vs. UDP? - ✅✅TCP uses a three-way
handshake and acknowledgements
TCP is slower, but more reliable
UDP is faster, but less reliable
Which statement best describes the functionality of patch panel? - ✅✅A device used
to terminate network cables in a central location
Which statement correctly identifies what will happen to a packet that enters a hub? -
✅✅It will be forwarded out every other port
A DSL modem operates over which physical medium? - ✅✅Phone cabling
Over which port does the hyper-text transfer protocol (HTTP) operate? - ✅✅80
Which type of wireless networking device creates a new SSID in addition to the
original? - ✅✅Extender
What is the maximum wattage that can be supplied to a device using Power over
Ethernet? - ✅✅100
Which statement correctly applies to a stateful firewall? - ✅✅A firewall capable of
inspecting packets to intelligently determine context
Routers operate at which layer of the OSI model? - ✅✅3 Network
At which layers of the OSI model do network interface cards operate? - ✅✅Physical
Data Link
Which action or operation is not performed by an optical network terminal (ONT)? -
✅✅Modulating or demodulating signals
Software defined networking is conceptually similar to which other type of computing
architecture? - ✅✅virtual machines
AND ASNWERS YEAR 2025.
Which statement are correct about TCP vs. UDP? - ✅✅TCP uses a three-way
handshake and acknowledgements
TCP is slower, but more reliable
UDP is faster, but less reliable
Which statement best describes the functionality of patch panel? - ✅✅A device used
to terminate network cables in a central location
Which statement correctly identifies what will happen to a packet that enters a hub? -
✅✅It will be forwarded out every other port
A DSL modem operates over which physical medium? - ✅✅Phone cabling
Over which port does the hyper-text transfer protocol (HTTP) operate? - ✅✅80
Which type of wireless networking device creates a new SSID in addition to the
original? - ✅✅Extender
What is the maximum wattage that can be supplied to a device using Power over
Ethernet? - ✅✅100
Which statement correctly applies to a stateful firewall? - ✅✅A firewall capable of
inspecting packets to intelligently determine context
Routers operate at which layer of the OSI model? - ✅✅3 Network
At which layers of the OSI model do network interface cards operate? - ✅✅Physical
Data Link
Which action or operation is not performed by an optical network terminal (ONT)? -
✅✅Modulating or demodulating signals
Software defined networking is conceptually similar to which other type of computing
architecture? - ✅✅virtual machines
