LATIHAN PTS ICT Kelas 7 TCP

Adi and Nita are working on a school project together. They need to share files and communicate with each other. What is a computer network?

• A computer network is a type of software used for programming.

• A computer network is a system of interconnected computers and devices that can communicate and share resources.

• A computer network is a collection of random devices without any communication.

• A computer network is a single computer that operates independently.

Answer explanation

A computer network connects multiple computers and devices, allowing them to communicate and share resources, which is essential for Adi and Nita to collaborate on their project.

In a school where Dewi, Eko, and Sri are students, what is the primary purpose of a computer network?

• To store all the data on a single computer.

• To enable communication and resource sharing among students and teachers.

• To connect printers only.

• To allow students to play games on their devices.

Answer explanation

The primary purpose of a computer network is to enable communication and resource sharing among students and teachers, facilitating collaboration and access to information, rather than just storing data or connecting printers.

In Ina's school, which of the following is an example of a local area network (LAN)?

• A network that only connects mobile phones.

• A network that connects devices globally.

• A network connecting computers across multiple cities.

• A network connecting computers in a single building.

Answer explanation

A local area network (LAN) connects devices within a limited area, such as a single building. The correct choice, 'A network connecting computers in a single building,' exemplifies this definition, unlike the other options.

In a school project, Arif, Susi, and Joko are working together on a presentation. What is a common benefit of using a computer network for their collaboration?

• Increased isolation of devices.

• Improved collaboration and sharing of information.

• Limited access to resources.

• Higher costs for maintaining individual devices.

Answer explanation

Using a computer network allows Arif, Susi, and Joko to easily collaborate and share information, enhancing their project work. This connectivity fosters teamwork, making it the most significant benefit of their collaboration.

During a class discussion, Nita mentioned different types of computer networks. She stated that one of the following is not a type of computer network based on its scope. Which one did she refer to?

• Wide Area Network (WAN)

• Local Area Network (LAN)

• Internet of Things (IoT)

• Metropolitan Area Network (MAN)

Answer explanation

Nita referred to the Internet of Things (IoT) as it is not a type of computer network based on scope. IoT refers to interconnected devices rather than a specific network type like WAN, LAN, or MAN.

In a school project, Mega needs to connect computers in different classrooms across the campus. Which of the following best describes a wide area network (WAN)?

• A network that connects computers across large geographical areas.

• A network that only connects printers and scanners.

• A network that connects devices within a single room.

• A network that is limited to a single organization.

Answer explanation

A wide area network (WAN) connects computers over large geographical areas, making it suitable for linking classrooms across a campus. The other options describe different types of networks that do not fit this definition.

Agus is working from home and wants to ensure that his online activities are secure. What is a key advantage of using a virtual private network (VPN) in a computer network?

• It enhances security by encrypting data.

• It is only useful for gaming purposes.

• It limits access to only one device.

• It reduces the speed of internet connection.

Answer explanation

Using a VPN enhances security by encrypting data, which protects Agus's online activities from potential threats. The other options do not accurately represent the primary benefits of a VPN.

In Arif's home network, which device typically acts as the central hub for connecting multiple devices?

• Monitor

• Scanner

• Printer

• Router

Answer explanation

In Arif's home network, the router acts as the central hub, connecting multiple devices to the internet and allowing them to communicate with each other. Other devices like monitors, scanners, and printers do not serve this central role.

Ina and Agung are setting up a network for their school project. They want to connect their laptops and tablets so that they can share files and resources directly without needing a central server. Which of the following best describes the type of network they are creating?

• A network that connects only mobile devices.

• A network that is limited to a single user.

• A network that requires a central server to manage resources.

• A network where all devices have equal access and can share resources directly.

Answer explanation

Ina and Agung are creating a peer-to-peer network where all devices can connect directly and share resources without a central server, making the correct choice a network where all devices have equal access and can share resources directly.

During a group project, Surya and his classmates are discussing the main protocol used in internet network communication. Surya asks, “What is the main protocol we rely on for this communication?”

• HTTP

• FTP

• SMTP

• TCP/IP

Answer explanation

The main protocol for internet communication is TCP/IP, which stands for Transmission Control Protocol/Internet Protocol. It is the foundational suite that enables data exchange across networks, unlike HTTP, FTP, or SMTP which serve specific purposes.