Computer Network Basics Quiz

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What is the purpose of a computer network?

To encrypt data transmission

To store data on multiple devices

To transfer data between devices connected to the network (correct)

To restrict data access to specific devices

What is a protocol in the context of a computer network?

A device that expects to receive data from the network

A physical medium for data transfer like cables or radio waves

A set of rules agreed by both sender and receiver for communication (correct)

A device that stores data

What is a 'message' in the context of a computer network?

A device that sends data

The medium for data transfer like cables or radio waves

The data or information that needs to be transferred from one device to another over the network (correct)

The device that expects to receive data

What is the role of a 'receiver' in a computer network?

To expect and receive data from other devices on the network (A) Signup and view all the answers

What is the function of the 'transmission media' in a computer network?

To transfer data from one device to another using wires, cables, radio waves, etc. (A) Signup and view all the answers

Why are protocols necessary in a computer network?

To ensure compatibility between different types of devices on the network (C) Signup and view all the answers

What is the function of a network interface card (NIC) in a computer network?

To help the computer communicate with other devices (C) Signup and view all the answers

Which type of NIC uses radio wave technology for making connections?

Wireless NIC (C) Signup and view all the answers

What is the purpose of resource sharing in a computer network?

To share resources among users without physical location restriction (C) Signup and view all the answers

Which type of cable is a high-speed cable that can transmit data over 1Gbps or more?

Twisted pair cable (D) Signup and view all the answers

What type of cable is more expensive than twisted pair cable but provides high data transmission speed?

Coaxial cable (D) Signup and view all the answers

What is the function of a server in the server-client model of computer networking?

To store information and be maintained by the system administrator (C) Signup and view all the answers

What is the communication medium used for daily communication among employees in a company?

Computer network (D) Signup and view all the answers

What type of transmission media uses physical cables to transmit communication signals?

Guided media (B) Signup and view all the answers

What is the function of a wireless NIC in a computer network?

To make connections using radio wave technology (A) Signup and view all the answers

What is the purpose of adding a hub or switch in a computer network setup?

To centralize the management of network connections (C) Signup and view all the answers

In the context of connecting devices to a hub or switch, what does the 'green link lights' indicate?

Active network connection (D) Signup and view all the answers

Why is it important to choose the correct port or interface when connecting devices to a hub or switch?

To avoid network congestion and data collisions (C) Signup and view all the answers

What is the significance of using a 'Copper Straight-through cable' to connect devices to hubs or switches?

It minimizes signal interference from external sources (C) Signup and view all the answers

What is the primary difference between connecting a device to a hub and connecting it to a switch in a computer network?

Switch connections allow for simultaneous data transmission (C) Signup and view all the answers

What role do the 'green link lights' play in troubleshooting network connectivity issues?

They help identify faulty network cables or ports (C) Signup and view all the answers

What types of protocols can be displayed in Packet Tracer?

Layer 2 protocols such as Ethernet and PPP, layer 3 protocols such as IP, ICMP, and ARP, and layer 4 protocols such as TCP and UDP (A) Signup and view all the answers

What is the purpose of Packet Tracer in relation to real equipment?

A supplement to experience with real equipment (D) Signup and view all the answers

What devices can be used in building a network topology in Packet Tracer?

End Devices, Switches, Hubs, and Connections (B) Signup and view all the answers

What happens when a device is single-clicked in the left panel of Packet Tracer?

All the listed devices of that type are displayed in the right panel (B) Signup and view all the answers

What does Packet Tracer turn into when the cursor is moved into the topology area?

A plus '+' sign (B) Signup and view all the answers

What is the role of Routing protocols in Packet Tracer?

They can be traced (B) Signup and view all the answers