Quiz with Answers
- Communication between a computer and a keyboard involves ______________ transmission.
Answer: Simplex - Each frame in HDLC may contain up to
Answer: Six fields - Error Control and Flow Control are responsibilities of
Answer: Data link and Transport Layer - Error control is a combination of
Answer: Error detection and error correction - Ethernet frame consists of:
Answer: MAC address - Find parity bit for 1001011
Answer: 0 - Frame type that refers to High-level Data Link Control error detection field is
Answer: Frame Check Sequence field - Hamming code capable to correct __errors, detect __errors
Answer: 1, 2 - Header of a frame generally contains:
Answer: All of the mentioned (synchronization bytes, addresses, frame identifier) - If the value of checksum is 0, then the message is
Answer: Accepted - Which of the following transmission directions listed is not a legitimate channel?
Answer: Double Duplex - Ethernet system uses which of the following technology?
Answer: Bus - In Asynchronous Balanced Mode (ABM), link is
Answer: Bidirectional - The technique of temporarily delaying outgoing acknowledgments so that they can be hooked onto the next outgoing data frame is called
Answer: Piggybacking - In IEEE 802.11 frames, when the values of To DS and From DS are 00, it means the frame is not going to a
Answer: Distribution System - In Point to Point Protocol, the frame starts and ends with
Answer: Flag field - When 2 or more bits in a data unit have been changed during the transmission, the error is called
Answer: Burst error - OSI stands for
Answer: Open System Interconnection - Internet has been using a checksum of
Answer: 16 bits - MAC address is of:
Answer: 48 bits - Piggybacking is used to improve bidirectional protocol's
Answer: Efficiency - Port address is also known as
Answer: Service point address - In a computer network, nodes are:
Answer: All of the mentioned (the computer that originates the data, routes the data, and terminates the data) - Range of possible sequence numbers of Go-Back-N Protocol which is a concern of the receiver is called the
Answer: Receiver sliding window - Session layer is responsible for
Answer: Dialog control and synchronization - TCP/IP reference model contains how many layers
Answer: 4 - Stop-and-Wait Automatic Repeat Request is a special case of
Answer: Stop and Wait - TCP/IP suite was created by
Answer: Department of Defense - Term that refers to a set of procedures used to restrict the amount of data that the sender can send before waiting for acknowledgment is
Answer: Flow control - The data link layer takes the packets from _____ and encapsulates them into frames for transmission.
Answer: Network layer - The first Network:
Answer: ARPANET - The maximum size of the payload field in an Ethernet frame is:
Answer: 1500 bytes - What is the Start Frame Delimiter (SFD) in an Ethernet frame?
Answer: 10101011 - Communication channel is shared by all the machines on the network in:
Answer: Broadcast network - The technique of temporarily delaying outgoing acknowledgments so that they can be hooked onto the next outgoing data frame is called:
Answer: Piggybacking - When 2 or more bits in a data unit have been changed during the transmission, the error is called:
Answer: Burst error - Which one of the following is a data link protocol?
Answer: All of the mentioned (Ethernet, Point to Point Protocol, HDLC) - The functionalities of the presentation layer include
Answer: All of the mentioned (Data compression, Data encryption, Data description) - Which one of the following tasks is not done by the data link layer?
Answer: Channel coding - Which sublayer of the data link layer performs data link functions that depend upon the type of medium?
Answer: Media access control sublayer - A communication pathway that transfers data from one point to another is called
Answer: Link - In bus topology, the device linking all nodes in a network is
Answer: Backbone - ISP stands for
Answer: Internet Service Provider - Multipoint topology is
Answer: Bus - A _____ is a device that forwards packets between networks by processing the routing information included in the packet.
Answer: Router - Network providing a high-speed connectivity is
Answer: MAN - Synonymous of rule is
Answer: Standard - Communication channel is shared by all the machines on the network in
Answer: Broadcast network - Control frame that is sent by destination station is called
Answer: Clear to send - CRC stands for
Answer: Cyclic Redundancy Check