Computer networks quiz
Computer networks practice
Check the roles of switches, routers, wireless links, packets, and local versus internet connectivity.
Related to Computer Fundamentals and Computer networks.
- Difficulty
- beginner
- Questions
- 5
- Estimated time
- About 5–8 min
Lesson connection
Prepare for this practice
Build a clear model of network devices, addresses, packets, and the difference between connection types.
Review Computer networks before starting →Ideas to recall
- A network connects devices so they can exchange data and share resources.
- Switches connect devices within a local network, while routers connect networks.
- Data is divided into packets that can be addressed and forwarded.
- Wired and wireless links differ in convenience, interference, range, and performance.
Use these ideas to reason through each question; answer-specific explanations appear only after you check a response.
Ready when you are
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Start intentionally when you are ready. Answers are checked in this browser and no attempt history is saved.
Assessment Coverage & Question Outline
This assessment contains 5 multiple-choice challenge questions designed to evaluate core conceptual understanding and practical application of Computer networks. Review the questions below to test your recall or use the interactive assessment above for real-time validation and detailed step-by-step explanations.
What is a router's main networking role?
- A.Store every user's documents permanently
- B.Connect different networks and forward packets
- C.Display web pages on a monitor
Which device commonly connects several wired devices within one local network?
- A.A projector
- B.A document scanner
- C.A network switch
A phone is connected to Wi-Fi but websites do not load. What does this prove?
- A.The local wireless link may work even though internet access does not
- B.Internet access must be working
- C.The phone has become the main router automatically
Why is network data divided into packets?
- A.So data can be printed before transmission
- B.So pieces can carry addressing information and be forwarded
- C.So communication needs no shared rules
Which factor can reduce wireless network performance?
- A.The monitor's background color
- B.A short document filename
- C.Radio interference and obstacles
Want to check your answers? Use the interactive practice tool at the top of the page to submit your choices and view in-depth explanations for every option.
Study Lesson Guide →Related lessons
- Input and output devices Identify how common devices send data into a computer or present processed information.
- Internet and the web Distinguish the internet from the web and trace a complete network request from browser to server.
- Cybersecurity basics Protect devices and information with updates, strong authentication, backups, and cautious decisions.