1) Which one of the following best defines data communication? a) Exchange of files between storage devices b) Transfer of data between two devices through a transmission medium c) Display of data on a monitor d) Storage of data on cloud servers 2) Which of the following is not a component of data communication? a) Sender b) Receiver c) Message d) Printer 3) The sender in a communication system is responsible for: a) Receiving the data b) Generating and transmitting the data message c) Storing the received data d) Blocking unauthorized access 4) The physical path through which data travels is known as: a) Protocol b) Channel c) Medium d) Interface 5) Which of the following ensures reliable and meaningful data exchange between devices? a) Protocols b) Signals c) Applications d) Layers 6) Bandwidth is defined as: a) The amount of noise in data signals b) The capacity of a communication medium to carry data per second c) The distance covered by the network cable d) The number of users connected to a network 7) The actual rate at which data is transmitted is known as: a) Bandwidth b) Frequency c) Data transfer rate d) Transmission interval 8) Which of the following represents the correct format of an IPv4 address? a) 123:12:45:56:1089 b) 192.168.1.1 c) 256.256.256.256 d) A1.B2.C3.D4 9) Which of the following factors directly affects the speed of data communication? a) Length of the message b) Bandwidth and data transfer rate of the medium c) Color of cables used d) Type of receiver

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