Start learning →

Olympiad (Class 5) Internet — practice questions — page 2

Explore 63 free Internet questions in Olympiad (Class 5) Computer Science. Open each question or exercise to read its content, reference answers and available explanation.

Practise Internet with Quill →

Internet questions and exercises with answers

Showing questions 31–60 of 63.

What can a digital signature help to check about a received file?Read the answer and worked solution →Who runs the whole Internet?Read the answer and worked solution →Computers in one school building are linked together. This network is aRead the answer and worked solution →A network that covers a whole country or even several continents is aRead the answer and worked solution →Which network links devices placed close to one person?Read the answer and worked solution →A network joining users across the area of a big city is aRead the answer and worked solution →A school LAN is joined to a wide area network using which device?Read the answer and worked solution →What does a router do with data packets?Read the answer and worked solution →The word modem comes from which pair of words?Read the answer and worked solution →Which network tool rejects access requests from unrecognized sources?Read the answer and worked solution →An office device sends every message it gets out through all its ports. It is aRead the answer and worked solution →A weak signal on a long cable is cleaned and sent on again by aRead the answer and worked solution →Which hardware part connects a computer to the network media?Read the answer and worked solution →What is special about the MAC address on each Ethernet network card?Read the answer and worked solution →A long message travels over a network. How does it usually arrive?Read the answer and worked solution →A network packet carries which two kinds of data?Read the answer and worked solution →What is a communication protocol?Read the answer and worked solution →Eight computers are each wired to one central switch. This layout is aRead the answer and worked solution →Each computer is joined to its left and right neighbour only, forming a loop. This is aRead the answer and worked solution →All computers share one common cable running along them. This layout is aRead the answer and worked solution →Four computers are fully connected, each linked to every other by its own cable. How many cables?Read the answer and worked solution →Five computers are fully connected, with one cable between each pair. How many cables?Read the answer and worked solution →In which layout are nodes arranged in levels, like a family tree?Read the answer and worked solution →Why is twisted pair cable made with two wires twisted together?Read the answer and worked solution →An optical fiber carries data as pulses of what?Read the answer and worked solution →A school Wi-Fi hotspot sends data through the air usingRead the answer and worked solution →Communications satellites sit about 35,400 km above which place?Read the answer and worked solution →Which network gives a path between different LANs, like a main highway?Read the answer and worked solution →A company builds one private network to join all its offices. This is anRead the answer and worked solution →Which network joins several LANs within a university area?Read the answer and worked solution →

Worked practice questions

What can a digital signature help to check about a received file?

  1. Its font style
  2. Its page count
  3. Who truly sent it
  4. Its screen colour
Show answer and solution

Correct answer: C. Who truly sent it

A digital signature lets the receiver check where the file came from and that it is genuine.

Open this question →

Who runs the whole Internet?

  1. One large shop
  2. One country's army
  3. No single owner
  4. The oldest school
Show answer and solution

Correct answer: C. No single owner

The Internet has no single centralized governance, and each constituent network sets its own policies.

Open this question →

Computers in one school building are linked together. This network is a

  1. WAN
  2. MAN
  3. GAN
  4. LAN
Show answer and solution

Correct answer: D. LAN

A local area network connects computers in a limited area such as a home, school or office building.

Open this question →

How to practise

  1. Choose a Internet question and try to work out your answer.
  2. Open the question to check the correct answer and read its worked solution.
  3. Continue in the app for bite-sized lessons, explanations and review with Quill. You can start without creating an account.

Put it into practice

Continue with Internet practice for Olympiad (Class 5). Read explanations as you go. No signup form needed to start.

Practise Internet →

More Computer Science topics

Computer fundamentals and storage devicesMS Word, MS PowerPoint and Windows 11Computer Memory