What is a computer network?
a) A group of computers connected to share resources
b) A device used to store data
c) A program used for internet browsing
d) A server used for hosting websites
Which of the following is NOT a type of computer network?
a) LAN
b) PAN
c) VAN
d) WAN
What does LAN stand for?
a) Local Area Network
b) Large Area Network
c) Low Area Network
d) Long Area Network
Which of the following is a key feature of a WAN?
a) Covers a small geographical area
b) Connects devices within a single building
c) Spans large geographical areas like cities or countries
d) Uses Bluetooth for communication
What does the OSI model stand for?
a) Open Source Internet Model
b) Open System Interconnection Model
c) Operational System Interconnection Model
d) Open Software Interface Model
Which layer of the OSI model is responsible for end-to-end communication?
a) Physical layer
b) Network layer
c) Transport layer
d) Data link layer
What is the primary purpose of a router in a network?
a) To amplify the signal
b) To connect devices within the same network
c) To route data between different networks
d) To store data in the network
What is the function of a switch in a computer network?
a) To connect different networks together
b) To forward data based on MAC addresses
c) To route packets across long distances
d) To encrypt data for secure transmission
Which of the following is an example of a wireless networking technology?
a) Ethernet
b) Bluetooth
c) Fiber optic
d) Coaxial cable
What is the function of a hub in a network?
a) To connect multiple networks
b) To amplify and forward signals to all connected devices
c) To route traffic between networks
d) To filter traffic and prevent collisions
Which of the following protocols is used for secure communication over the internet?
a) FTP
b) HTTP
c) HTTPS
d) SMTP
What is the main purpose of a network adapter?
a) To connect a computer to a network
b) To manage network traffic
c) To monitor network security
d) To store network data
Which of the following is a key characteristic of a PAN?
a) Connects devices across a city
b) Covers a large geographical area
c) Connects personal devices within a small range
d) Connects multiple LANs together
What does IP stand for in networking?
a) Internet Protocol
b) Integrated Protocol
c) International Protocol
d) Internal Protocol
What is the primary function of a firewall in a computer network?
a) To connect devices to the internet
b) To protect the network by filtering traffic
c) To provide wireless connectivity
d) To route data between devices
Which of the following network topologies is commonly used in home networks?
a) Mesh
b) Bus
c) Ring
d) Star
What is a common use of a VPN (Virtual Private Network)?
a) To provide wireless internet access
b) To connect to the internet anonymously and securely
c) To increase the speed of the internet connection
d) To monitor network performance
Which of the following devices operates at the OSI model’s Data Link layer?
a) Router
b) Switch
c) Hub
d) Modem
What does DNS stand for in computer networking?
a) Domain Network System
b) Data Network Service
c) Domain Name System
d) Dynamic Network Service
Which layer of the OSI model is responsible for error detection and correction?
a) Physical layer
b) Data Link layer
c) Network layer
d) Transport layer
What is the maximum speed of a standard Wi-Fi network based on IEEE 802.11ac?
a) 54 Mbps
b) 1 Gbps
c) 3.5 Gbps
d) 10 Gbps
Which of the following is a common method used for network addressing?
a) MAC address
b) URL
c) Domain name
d) IP address
What is the role of the transport layer in the OSI model?
a) It handles the physical transmission of data
b) It ensures reliable end-to-end communication
c) It determines the path for data across networks
d) It provides encryption and decryption
What is the key advantage of using fiber optic cables in networking?
a) High speed and large bandwidth
b) Easy installation and low cost
c) Wireless connectivity
d) Low energy consumption
What does HTTP stand for?
a) Hyper Transfer Protocol
b) Hypertext Transport Protocol
c) Hypertext Transfer Protocol
d) Hyper Transfer Transmission Protocol
Which of the following is a characteristic of a bus topology?
a) Devices are connected in a ring
b) A central device connects all devices
c) All devices share a single communication line
d) It requires multiple switches
Which type of network is most commonly used in large organizations for connecting multiple buildings?
a) LAN
b) MAN
c) PAN
d) WAN
What is the function of a modem in a network?
a) To connect devices to the network
b) To convert digital signals to analog signals and vice versa
c) To filter network traffic
d) To encrypt and decrypt data
Which of the following is a characteristic of a mesh network topology?
a) It requires only one central device
b) Devices are connected in a linear fashion
c) Every device is connected to every other device
d) It does not support wireless communication
What does FTP stand for?
a) File Transfer Protocol
b) Fast Transfer Protocol
c) Functional Transfer Protocol
d) File Tracking Protocol
What is the function of a network interface card (NIC)?
a) To connect a computer to a printer
b) To enable wireless communication between devices
c) To provide the physical interface for a device to connect to a network
d) To filter network traffic
Which of the following is NOT a method of wireless networking?
a) Wi-Fi
b) Bluetooth
c) Ethernet
d) Cellular network
Which of the following is a key feature of a hybrid network topology?
a) It uses only one type of topology
b) It combines elements from multiple topologies
c) It is the most cost-effective option
d) It is used only for wireless networks
