Podcast
Questions and Answers
What is the primary purpose of a repeater in a data communication system?
What is the primary purpose of a repeater in a data communication system?
- To provide error checking and correction
- To establish the communication protocol
- To generate new signals to extend transmission distance (correct)
- To encode and decode digital data
Which of the following is NOT a standard organization for data communications?
Which of the following is NOT a standard organization for data communications?
- Institute of Electrical and Electronics Engineers (IEEE)
- International Telecommunication Union (ITU)
- European Telecommunication Standards Institute (ETSI)
- Federal Communications Commission (FCC) (correct)
What is the main purpose of a transmission medium in a data communication system?
What is the main purpose of a transmission medium in a data communication system?
- To provide a path for the flow of information (correct)
- To convert digital data into analog signals
- To manage the communication protocol and flow control
- To generate and transmit the data signals
Which of the following is NOT a component of a data communication system?
Which of the following is NOT a component of a data communication system?
What is the primary function of a data communication protocol?
What is the primary function of a data communication protocol?
Which of the following is NOT a mode of transmission for data communication circuits?
Which of the following is NOT a mode of transmission for data communication circuits?
Which type of data transmission does not require start and stop bits?
Which type of data transmission does not require start and stop bits?
Which circuit type allows signals propagating in opposite directions to occupy the same bandwidths without interference?
Which circuit type allows signals propagating in opposite directions to occupy the same bandwidths without interference?
Which type of data transmission is a combination of asynchronous and synchronous?
Which type of data transmission is a combination of asynchronous and synchronous?
Which type of circuit is a permanent circuit for private use and is cheaper than switched lines when usage is high?
Which type of circuit is a permanent circuit for private use and is cheaper than switched lines when usage is high?
Which type of data transmission is controlled by start and stop bits at the beginning and end of each character?
Which type of data transmission is controlled by start and stop bits at the beginning and end of each character?
Which type of circuit allows for full-duplex operation, where the signals propagating in opposite directions occupy different bandwidths?
Which type of circuit allows for full-duplex operation, where the signals propagating in opposite directions occupy different bandwidths?
What type of transmission allows all bits to be transmitted simultaneously during the time of a single clock pulse?
What type of transmission allows all bits to be transmitted simultaneously during the time of a single clock pulse?
What is the maximum cable length for Shielded Twisted Pair (STP) cabling?
What is the maximum cable length for Shielded Twisted Pair (STP) cabling?
What is the primary difference between Serial Transmission and Parallel Transmission?
What is the primary difference between Serial Transmission and Parallel Transmission?
Which type of cable is commonly used for telephone communications but is not suitable for transmitting data?
Which type of cable is commonly used for telephone communications but is not suitable for transmitting data?
In Plesiochronous transmission, what characterizes the frequency difference between two digital signals?
In Plesiochronous transmission, what characterizes the frequency difference between two digital signals?
What feature distinguishes Unshielded Twisted Pair (UTP) cabling from Shielded Twisted Pair (STP) cabling?
What feature distinguishes Unshielded Twisted Pair (UTP) cabling from Shielded Twisted Pair (STP) cabling?
What is the maximum data transmission speed of CAT 5 Ethernet cables?
What is the maximum data transmission speed of CAT 5 Ethernet cables?
Which type of Ethernet network uses CAT 4 cables?
Which type of Ethernet network uses CAT 4 cables?
What is the maximum data transmission speed of CAT 6 Ethernet cables?
What is the maximum data transmission speed of CAT 6 Ethernet cables?
What type of coaxial cable is used in 10BASE2 LANs?
What type of coaxial cable is used in 10BASE2 LANs?
Which network topology is used to interconnect a single mainframe computer (host) to many personal computers?
Which network topology is used to interconnect a single mainframe computer (host) to many personal computers?
What type of network has no physical media?
What type of network has no physical media?
What is the main disadvantage of a star topology network?
What is the main disadvantage of a star topology network?
What is the key advantage of a ring topology network?
What is the key advantage of a ring topology network?
What is the primary difference between a tree/hierarchical topology and an extended-star topology?
What is the primary difference between a tree/hierarchical topology and an extended-star topology?
What is the key advantage of a mesh topology network?
What is the key advantage of a mesh topology network?
Which topology is described as 'simply a combination of two or more of the traditional topologies to form a larger, more complex topology'?
Which topology is described as 'simply a combination of two or more of the traditional topologies to form a larger, more complex topology'?
Which topology is described as 'a multipoint data communication network where all stations are interconnected in tandem to form a closed loop'?
Which topology is described as 'a multipoint data communication network where all stations are interconnected in tandem to form a closed loop'?
