A ________ data model represents data by records organized in form of trees and the relationship among data are represented by links.
ANetwork
BRelational
CHierarchical
DNone of them
ANetwork
BRelational
CHierarchical
DNone of them
Related Questions:
Examine the statements related to half duplex mode and find out the correct ones:
1.In Half Duplex mode data can be transmitted in both directions,at the same time.
2.A half-duplex device can alternately send and receive data.
Which of the following statements are true?
1.Switches are networking devices operating at layer 2 or a data link layer of the OSI model. They connect devices in a network and use packet switching to send, receive or forward data packets or data frames over the network.
2.A Repeater is an electronic device that receives a signal and retransmits it at a higher level or a higher power.