Networks

Multiple Choice

Which of the following statements about local area networks (LANs) is true?

• LANs cannot connect wireless devices like smartphones or tablets.

• LANs are only used in office buildings and schools.

• LANs are designed to share resources such as internet connections, printers, or server connections.

• LANs exclusively use either wired or wireless connections, not both.

Categorize

Options (6)

1. Easy sharing of software, files, and hardware.

1. Faster data sharing within the network.

1. Centralized control simplifies management.

1. High initial setup costs.

1. Risk of privacy violations.

1. Potential for widespread infection if security is weak.

Organize these options into the right categories

Advantages

Disadvantages

Multiple Choice

Which of the following best describes a wireless LAN (WLAN)?

• A network that uses only wired connections to link devices.

• A wireless computer network linking devices within a limited area to form a LAN.

• A network that connects devices using Bluetooth technology.

• A network that allows users to access the internet without any connection to other devices.

Multiple Choice

Which of the following statements accurately describes workstations in a network?

• Workstations are devices that are not connected to the network.

• Workstations are computers used only for administrative tasks.

• Workstations are computers connected to the network and used by people for various tasks.

• Workstations are computers designed for home use and are less powerful than specialized CAD computers.

Multiple Choice

Which of the following statements accurately describes servers in a network?

• Servers are primarily used for performing tasks such as designing advertisements.

• Servers have the same specifications as regular computers, including RAM and operating systems.

• Servers manage network resources and serve information to other computers connected to the network.

• Servers are typically not connected to UPSs (Uninterruptible Power Supplies) for power backup.

Multiple Choice

Which of the following statements about network interface cards (NICs) is true?

• NICs are no longer necessary in modern computers.

• Only laptops and desktops use NICs to connect to a network.

• NICs can only connect using wireless connections.

• NICs allow computers to connect to a network, either through ethernet cables or wirelessly.

Multiple Choice

Which of the following best describes switches in a network?

• Switches are large devices used primarily for data storage.

• Switches are software programs installed on computers to manage network connections.

• Switches are small devices that act as controllers for networked devices to communicate and create the network.

• Switches are devices used to convert digital data into analog signals for transmission over a network.

Multiple Choice

Which of the following accurately describes routers in a network?

• Routers are devices that only allow computers to connect to the internet.

• Routers are devices used to store data and manage network traffic.

• Routers enable multiple computers to connect to the network and guide traffic within the network.

• Routers are devices that primarily control wireless connections within a network.

Multiple Choice

Which statement accurately describes modems in relation to network connectivity?

• Modems are devices primarily used for storing internet data.

• Modems connect computers within a network to each other.

• Modems connect to an Internet Service Provider (ISP) to provide internet access to a network.

• Modems guide traffic within a network and control internet access.

Multiple Choice

Which statement accurately describes access points in a network?

• Access points are devices primarily used for wired connections in large buildings.

• Access points enable computers within a network to connect to each other.

• Access points are devices used to create a wireless LAN (WLAN) in large buildings, facilitating connections for wireless devices like smartphones.

• Access points are used to control internet access within a network.

Match

Match the following

Router

Switches

Modem

Access Point

NIC

• Router

• Switches

• Modem

• Access Point

• NIC

Multiple Choice

Which of the following best describes network software?

• Network software is designed solely for the creation of hardware components in a network.

• Network software is used for graphic design purposes within a network.

• Network software assists network administrators in managing, monitoring, and facilitating connections between devices within a network.

• Network software is used exclusively for accounting and financial management within a network.

Multiple Choice

Which statement accurately summarizes the functions of network software?

• Network software is primarily used for entertainment purposes within a network.

• Network software enables users to control the temperature of network hardware.

• Network software assists in setting up networks, managing users, securing the network, and defining data storage locations.

• Network software is primarily focused on physical maintenance tasks within a network.

Multiple Choice

Which of the following accurately describes the difference between wired and wireless network connections?

• Wired connections use radio signals, while wireless connections use ethernet cables.

• Wired connections rely on plastic casings, while wireless connections use metal casings.

• Wired connections utilize ethernet cables and RJ45 connectors, while wireless connections use radio signals.

• Wired connections are faster than wireless connections due to the use of radio signals.

Multiple Choice

Which of the following statements best describes the speed determinants of wired and wireless networks?

• Wired networks rely solely on the components of the connected devices for speed, while wireless networks' speed is fixed by their transmission range.

• The speed of both wired and wireless networks is determined by the standards they adhere to and the specifications of their components.

• Wired networks achieve higher speeds due to the use of fiber optic cables, while wireless networks' speed depends on the number of connected devices.

• The speed of both wired and wireless networks is fixed and cannot be influenced by the components or standards used.

Multiple Choice

Which of the following accurately describes the difference between unshielded twisted pair (UTP) cables and fibre optic cables?

• UTP cables are made of pure glass strands, while fibre optic cables are made of twisted pairs of wires.

• UTP cables cancel out electromagnetic interference using light signals, while fibre optic cables cancel out interference by twisting pairs of wires.

• UTP cables are commonly used in internet connections, while fibre optic cables are primarily used in LANs and telephone networks.

• UTP cables use twisted pairs of wires and are relatively cost-effective, while fibre optic cables use light signals and are more flexible and lightweight.

Multiple Choice

Which of the following accurately describes wireless communication?

• Wireless communication relies on physical connectors to transfer data over long distances.

• Radio waves are not commonly used in wireless communication.

• Transmitters convert electrical signals into radio waves, which are then received by antennas and converted back into data by receivers.

• Wireless communication requires the use of cables and wires to transfer data.

Multiple Choice

True or False:

An intranet is a public, web-based network that is accessible to anyone. Intranets use internet protocols to share data and information across the network. Access to an intranet is not restricted, allowing anyone to access employee contact details and calendars.

• True

• False

Multiple Choice

Which of the following accurately describes the internet?

• The internet is a small, centralized network controlled by a single authority.

• The internet is a private network accessible only to specific users.

• The internet is a massive network of networks with millions of computers connected globally, operating in a decentralized manner.

• The internet is a way to access information over the World Wide Web (WWW).

Multiple Choice

What is the primary function of passwords in network security?

• To allow unrestricted access to a system.

• To generate secret strings of letters, numbers, and symbols.

• To limit or restrict access to a system.

• To automatically generate computer-generated passwords.

Multiple Choice

What is a username?

• A secret string of letters, numbers, and symbols used to restrict access to a system.

• A unique identifier given to any person who uses a secure computer network.

• A way to generate passwords automatically on websites.

• An account used exclusively for accessing social media platforms.

Multiple Choice

What are access rights?

• Rights granted to users to access social media platforms.

• Rights granted to users to access personal folders and files on a computer.

• Rights granted to administrators to access personal folders and files on a computer.

• Rights granted to users to access all files and folders on a computer and make changes that affect all users.

Multiple Choice

What is unauthorized access on a network?

• Gaining access to a network using legal methods.

• Gaining access to a network using someone else's credentials or through illegal methods.

• Gaining access to a network using biometric authentication.

• Gaining access to a network by setting up authentication for your devices.

Multiple Choice

Why are acceptable use policies (AUPs) important for networks?

• To restrict access to the internet for users.

• To ensure that only authorized users can access the network.

• To outline guidelines for responsible and ethical use of the network.

• To allow users to do whatever they want on the network without consequences.

Multiple Choice

What are some guidelines that should be included in acceptable use policies (AUPs) for schools?

• Guidelines on how to install software on the school's computing devices.

• Rules for restricting access to the internet.

• Instructions on how to send spam or hoax emails.

• Guidelines on netiquette, online access restrictions, copyright respect, device usage, software installation, and actions to take in case of cyber incidents.

Multiple Choice

What are some guidelines that should be included in acceptable use policies (AUPs) for schools?

• Guidelines on how to install software on the school's computing devices.

• Rules for restricting access to the internet.

• Instructions on how to send spam or hoax emails.

• Guidelines on netiquette, online access restrictions, copyright respect, device usage, software installation, and actions to take in case of cyber incidents.

Multiple Choice

What are some concerns with Bring Your Own Device (BYOD) environments

• Ensuring employees have access to personal data on their devices.

• Managing mobile devices to protect company data and applications.

• Employees may accidentally download applications containing malware, adware, or spyware.

• Employers cannot control what employees install on their devices, potentially leading to distractions at work.

Multiple Choice

What are some of the privacy issues associated with networks?

• Networks provide a better service to customers and facilitate access to medical history.

• Networks can be used by cyber-criminals to commit fraud or steal personal data.

• Networks are responsible for ensuring data is accessed legally and used only for its intended purpose.

• Networks are not responsible for ensuring the security and safety of data.

Multiple Choice

What are some personal responsibilities when using a network?

• Ensure network administrators keep the network secure.

• Keep devices updated with antivirus software and avoid clicking on suspicious links.

• Download and share content obtained illegally or that violates copyright.

• Share personal information freely on the internet.

Multiple Choice

How is big data used in various online services?

• It helps detect illegal activities in online banking, such as credit card misuse.

• It assists travel agencies and hotels in understanding customer preferences for booking reservations.

• It provides insights to improve the effectiveness of educational institutes in e-learning.

• All of the above.

Multiple Choice

What is a cryptocurrency and how is it different from normal currency?

• Cryptocurrency is physical currency issued by a central authority or bank, while normal currency is digital and traded online.

• Cryptocurrency is digital currency that uses cryptography and is not backed by a central authority, while normal currency is physical and backed by a country's central authority or bank.

• Cryptocurrency is physical currency backed by gold, while normal currency is digital and traded online.

• Cryptocurrency is legal tender issued and supported by a country's central authority or bank, while normal currency is decentralised and global.