Question Bank: Data Communication

What is the primary purpose of data communication?

Which of the following is NOT a device used in data communication?

What does the term 'communication medium' refer to?

Which of the following components is essential for data communication?

What does bandwidth measure in a communication channel?

If a channel can transmit data at 1 Gbps, how many bits can it transfer in one second?

What type of communication involves sending data from one device to many devices simultaneously?

What is the unit of measurement for data transfer rate?

In data communication, what does 'redundancy' refer to?

Which type of communication utilizes the full capacity of a channel for one-way transfer?

What does a communication protocol define?

What is the primary effect of increased bandwidth on data transfer rates?

What is the purpose of error detection in data communication?

A communication channel has a bandwidth of 3000 Hz. How many Kbps can it theoretically support using the Nyquist formula?

Which switching technique establishes a dedicated path for communication?

Which of the following is NOT a type of communication as per the chapter?

What is one advantage of using packet switching over circuit switching?

If a user wants to upload a document at 10 pages per 20 seconds and each page contains 1600 characters (8 bits per character), what is the required data rate?

In the context of mobile telecommunication, what does 'handoff' refer to?

Data transfer rate of 1 Kbps is equivalent to how many bits per second?

Which of the following is a key characteristic of asynchronous communication?

What is the significance of measuring communication media capacity?

Which of the following is an example of a communication protocol?

In half-duplex communication, what is a primary limitation?

How is the data transfer rate indicated for high-speed connections?

If a channel supports a maximum bandwidth of 10 MHz, what is this value in Hertz?

Which of the following factors does NOT influence bandwidth?

What effect does increasing the data transfer rate have on network performance?

Which of the following defines a typical unit for measuring bandwidth?

What type of data communication allows data to flow in only one direction?

Which type of communication allows both devices to send and receive data, but not at the same time?

What defines full-duplex communication?

Which of the following is an example of simplex communication?

In half-duplex communication, what happens during data transmission?

Which scenario best illustrates full-duplex communication?

Which statement about simplex communication is FALSE?

In which of these applications would half-duplex communication be most appropriate?

What is an advantage of full-duplex communication compared to half-duplex?

Which communication type is used in an IoT application to control home devices remotely?

In which scenario might you encounter a limitation due to simplex communication?

A network engineer is installing a new communication system. They need to ensure that two devices can talk simultaneously. Which type of communication should they choose?

Which type of communication may cause delays during data transmission?

What characteristic is unique to full-duplex communication?

Which of the following is NOT a component of data communication?

What role does a 'receiver' play in data communication?

In data communication, what does the term 'medium' refer to?

What is a protocol in the context of data communication?

Which component is responsible for initiating communication in data communication?

What is the function of a communication protocol?

Which of the following devices acts as both a sender and a receiver in a data communication system?

Which of the following best describes 'message' in data communication?

In a typical data communication system, what is most essential for retrieving data accurately?

What type of communication allows data to flow in both directions simultaneously?

Which of the following is an example of a sender device?

What is one of the primary responsibilities of the 'transmission medium'?

Which protocol is primarily used for transferring files between machines?

What does the acronym 'TCP/IP' stand for?

Among the following, which is a challenge in ensuring effective data communication?

In the context of data communication, which layer is primarily responsible for establishing the rules for data exchange?

What type of transmission media uses physical connections like cables?

Which of the following is a characteristic of fiber optic cables?

What is the main advantage of using twisted pair cables?

What type of medium is best suited for long-distance communication without needing repeaters?

Which transmission medium is primarily used for wireless communication?

Which mode of communication allows data to be transmitted in both directions but not simultaneously?

What is the main disadvantage of coaxial cables compared to fiber optic cables?

In terms of data communication, what does 'bandwidth' refer to?

Which of the following is NOT a type of guided transmission media?

What does the term 'signal degradation' refer to?

What type of communication involves sending data only in one direction?

Which medium is least affected by electromagnetic interference?

Which of the following operates at frequencies of 3 KHz to 900 THz?

Which of these is primarily used for short-range wireless communication?

What is the primary advantage of circuit switching?

Which technique allows packets to take different routes across a network?

In packet switching, which part of the packet contains destination information?

Which of the following is a key characteristic of packet switching?

What is the role of the 'switch' in a network?

What is the primary disadvantage of circuit switching?

How does circuit switching manage bandwidth?

Which type of communication does packet switching best support?

What type of switching is utilized in traditional telephone networks?

What is a common misconception about packet switching?

In which communication mode can data transmission occur in both directions?

Which protocol typically utilizes packet switching technology?

In packet switching, which factor can cause delays in communication?

What happens when a packet is lost in packet switching?

What is a major difference in packet and circuit switching in terms of channel usage?

What is the main purpose of a protocol in data communication?

Which protocol is commonly used to transfer files over the internet?

What does HTTP stand for?

Which of the following is NOT a characteristic of the Transmission Control Protocol (TCP)?

What protocol is used to ensure two devices authenticate each other before establishing a link?

Which of the following best describes the role of the Internet Protocol (IP)?

What does a failure to follow defined protocols in communication lead to?

Which of the following is NOT a feature of HTTP?

Which protocol ensures that all packets of data arrive at their destination without loss?

What is the maximum data transfer rate of traditional HTTP protocol?

In which communication method do both parties transmit data simultaneously?

What is an example of a transport layer protocol?

Which of these is a key function of protocols in data communication?

What type of protocol is used to encrypt internet traffic?

Which of the following protocols is primarily used for email transmission?

Which characteristic defines a client-server model in protocols?

What type of signals were used in the first generation of mobile networks (1G)?

Which generation of mobile networks introduced SMS and MMS services?

What significant feature does 3G provide in mobile telecommunication?

Which generation of mobile technology operates on faster data transfer rates compared to its predecessor?

Which technology is associated with high-speed connections over a larger area, typically in MAN applications?

What does 5G aim to improve significantly in terms of connectivity?

Which generation introduced the concept of Machine to Machine (M2M) communication?

In mobile telecommunications, what is the primary function of a protocol?

What is the primary advancement of 4G over 3G technologies?

How does digital signal transmission improve call quality in mobile networks?

Which generation was primarily used for voice-only calls with no data services?

What is one of the major contributions of 2G in terms of security?

Which characteristic distinguishes WiMAX from regular Wi-Fi technology?

As a characteristic of 5G technology, what aspect is expected to evolve drastically?

How does 4G support multimedia applications compared to 3G?