A.global
B.regional
C.local
D.national
[单选题]The computer system _________ suddenly while he was searchingfor informatio
[单选题]The computer system _________ suddenly while he wassearching for informatio
[单选题]A.n internet is a combination of networks connected by()A.modemsB.routersC.switchesD.computers
[单选题]A.n internet is a combination of networks connected by (71) .When a datagram goes from a source to a (72) ,it will probably pass many (73) until it reaches the router attached to the destination network.A router receives a (74) from a network and pas
[单选题,共用题干题] An internet is a combination of networks connected by (1). When a datagram goes from a source to a (2), it will probably pass many (3) until it reaches the router attached to the destination network. A router receives a (4) from a network and
[单选题]The Internet is a(66)network of networks which interconnects(67)ranging from the simplest personal computers to the most sophisticated mainframes and supercomputers. This network of networks is used for an extraordinary range of purposes - long dista
[单选题]Networks can be interconnected by different devices.In the physical layer,networks can be connected by (66) or Hubs,which just move the bits from one network to an identical network.One layer up we find bridgas and swiehes,which operate at data link
[单选题] Networks can be interconnected by different devices. In the physical layer,networks can be connected by(1)or hubs,which just move the bits from one network to an identical network. One layer up we find bridges and switches,which operate at data link
[单选题]Networks can be interconnected by different devices. In the physical layer, networks can be connected by(66)or hubs, which just move the bits from one network to an identical network. One layer up we find bridges and switches, which operate at data l
[单选题]Networks can be interconnected by different devices in the physical layer networks can be connected by (71) or hubs.which just move the bits from one network to an identical network.One layer up we find bridges and switches which operate at data link