- 1. The concept of a network encompasses the intricate and highly interconnected system of nodes and pathways through which information, resources, and data are transmitted and shared. In the realm of computer science and information technology, a network can refer to a collection of computers and devices linked together to facilitate communication and resource sharing, including hardware components such as routers, switches, and cables, and software protocols that govern the data transfer processes. Networks can vary in scale from small, localized area networks (LANs) that serve a single home or office, to wide area networks (WANs) that span large geographical distances, connecting users and devices across cities, countries, and even continents. The internet itself is the largest and most complex network known to humanity, enabling global connectivity and supporting innumerable applications, services, and platforms that shape modern life. Furthermore, beyond the technological perspective, networks can also be understood in broader contexts, such as social networks where relationships and interactions among individuals or organizations create a web of connections and influence, or biological networks that illustrate the interdependencies among organisms and ecosystems. This multifaceted nature of networks illustrates their fundamental role in facilitating communication, collaboration, and interaction in both the digital and physical worlds, driving innovation and fostering the exchange of ideas and resources.
Which protocol is used for sending emails over the Internet?
A) SSH
B) HTTP
C) SMTP
D) FTP
- 2. What does IP stand for in relation to computer networks?
A) Inbound Protocol
B) Internet Protocol
C) Individual Port
D) Internal Power
- 3. What type of network covers a small geographic area, like a school campus or a business office?
A) VPN
B) WAN
C) MAN
D) LAN
- 4. Which device is typically used to connect multiple computers in a LAN?
A) Switch
B) Firewall
C) Modem
D) Router
- 5. Which communication protocol is commonly used for accessing websites on the Internet?
A) HTTP
B) FTP
C) SSH
D) SMTP
- 6. Which network device is required to connect a home network to the Internet?
A) Switch
B) Router
C) Hub
D) Firewall
- 7. What is the main purpose of a modem in a network?
A) To convert digital signals to analog for transmission over telephone lines
B) To provide network security
C) To manage network traffic
D) To store large amounts of data
- 8. What does VPN stand for in the context of networking?
A) Visual Protocol Node
B) Virtual Processing Node
C) Virtual Private Network
D) Very Powerful Network
- 9. What is a packet in the context of networking?
A) A type of virus
B) A unit of data transmitted over a network
C) A network cable
D) A form of network security
- 10. Which of the following is an example of a public network?
A) A school intranet
B) The Internet
C) An office LAN
D) A home Wi-Fi network
- 11. In which network architecture do multiple clients connect to a central server?
A) Mesh
B) Client-server
C) Star
D) Peer-to-peer
- 12. What is the purpose of DHCP in a network?
A) To provide web hosting services
B) To secure network communications
C) To route data between networks
D) To assign IP addresses to devices automatically
- 13. Which of the following is a wireless networking technology?
A) Wi-Fi
B) DSL
C) Bluetooth
D) Ethernet
- 14. Which command is used to check the network connectivity between two hosts?
A) ping
B) ifconfig
C) tracert
D) nslookup
- 15. Which network topology connects each device to a central hub?
A) Star
B) Bus
C) Ring
D) Mesh
- 16. What is the maximum data rate of a standard Ethernet connection?
A) 10 Gbps
B) 1 Gbps
C) 100 Mbps
D) 100 Gbps
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