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Computer Network
1)
The first Network was called ________
Answer: C) ARPANET
Explanation
ARPANET, which stands for Advanced Research Projects Agency Network, was the first network to implement the TCP/IP protocol. It was established in 1969.
2)
Communication between a computer and a keyboard involves _____ transmission.
Answer: D) Simplex
Explanation
In simplex transmission, data flows in only one direction. For instance, when using a keyboard, data flows from the keyboard to the computer. Another example is a mouse, where data is transmitted solely from the mouse to the computer.
3)
Which one of the following is not a function of network layer?
Answer: B) error control
Explanation
In the OSI model, the network layer is the third layer, responsible for providing data routing paths to facilitate network communications. Error control, on the other hand, is a key function of both the data link layer and the transport layer.
4)
How many layers are there in the OSI model?
Answer: B) 7
Explanation
The ISO OSI reference model consists of seven layers: Application, Presentation, Session, Transport, Network, Data Link, and Physical layers. OSI, which stands for Open System Interconnect, is a standardized framework used to describe the functions of a networking system.
5)
What is the full form of OSI?
Answer: C) open system interconnection
Explanation
OSI is the abbreviation for Open System Interconnection. OSI model provides a structured plan on how applications communicate over a network, which also helps us to have a structured plan for troubleshooting.
6)
Which of the following is an example of Bluetooth?
Answer: D) personal area network
Explanation
Bluetooth is a wireless technology designed to establish a personal area network for data transfer over short distances, typically up to 10 meters. It operates in the 2.45 GHz frequency band for communication.
7)
The duty of Internet Protocol (IP) is
Answer: B) Packet routing as network layer
Explanation
8)
Which of the following is the biggest network?
Answer: A) Internet
Explanation
Internet is the biggest network
9)
Any electronic device on a network is called a
Answer: A) Node
Explanation
any electronic device connected to a network is referred to as a "node"
10)
Which physical connection is fastest?
Answer: D) Fiber Optics
Explanation
The fastest physical connection for data transfer between devices is generally a direct fiber optic connection. Fiber optic cables use light to transmit data, allowing for extremely high speeds compared to traditional copper-based connections like Ethernet or USB.