MULTIPLE CHOICE QUESTIONS (MCQs):
- Which of the following is an example of a wireless network?
a) Computer connected to printer with a USB cable
b) Laptop connected to Wi-Fi
c) Desktop connected to LAN cable
d) Scanner connected through data cable - Which network type connects computers within a single building?
a) PAN
b) LAN
c) WAN
d) MAN - Which of the following is the largest network in terms of coverage?
a) LAN
b) MAN
c) WAN
d) PAN - What is the basic unit of data transfer over the Internet?
a) Bits
b) Packets
c) Files
d) Blocks - Which device is responsible for forwarding data packets between computer networks?
a) Switch
b) Hub
c) Router
d) Modem
DESCRIPTIVE QUESTIONS:
- Give two advantages and two disadvantages of wireless networks compared to wired networks.
- Explain how the Internet is helpful in the education sector. Provide at least three examples.
- Differentiate between Intranet and Internet with suitable examples.
- Draw and explain a simple diagram showing how data flows from a client computer to a server over the Internet
- Write down the steps involved in sending an email from one country to another.
Answer Key
MULTIPLE CHOICE QUESTIONS (MCQs):
- Answer: b) Laptop connected to Wi-Fi
- Answer: b) LAN
- Answer: c) WAN
- Answer: b) Packets
- Answer: c) Router
DESCRIPTIVE QUESTIONS:
- Answer:
Advantages:- Mobility – users can connect from anywhere within range.
- Easy installation – no physical cables required.
Disadvantages: - Less secure compared to wired networks.
- Speed and reliability may be affected by interference.
- Answer:
- Students can access online learning resources, e-books, and tutorials.
- Teachers can conduct virtual classes using video conferencing tools.
- Assignments and projects can be submitted and graded online.
- Answer:
- Internet: A global network accessible to everyone. Example: Browsing websites like Google or YouTube.
- Intranet: A private network accessible only within an organization. Example: A company’s internal portal for employees.
- Answer:
Client → Router → ISP → Internet Backbone → Server- The client sends a request.
- The router passes it to the ISP.
- The ISP forwards it through the Internet backbone.
- The server processes and sends back the response.
5. Answer:
a) Email is composed on the sender’s device.
b) The device sends the message to a mail server.
c) The mail server converts the email into packets.
d) Packets travel across ISPs and international gateways.
e) The recipient’s mail server receives the packets.
f) Packets are reassembled into the email.
g) Recipient reads the email using an email client.