Communication networks can be classified in terms of their physical arrangement or ( ). Three common are the star，bus，and ring.

[单选题]C．ommunication networks can be classified in terms of their physical arrangement or(73)Three common(73)are the star, bus, and ring.A．structuresB．topologiesC．protocolsD．frames

[单选题]Communication networks can be classified in terms of their physical arrangement or (73) Three common (73) are the star,bus,and ring.(73) A．structuresB．topologiesC．protocolsD．frames

[单选题]English consonants can be classified into stops， fricative， nasals ect.，in

[单选题]English consonants can be classified into stops， fricative， nasals ect.，in

[单选题]English consonants can be classified into stops，fricatives， nasals，etc. In

[单选题]Compared to a classified board (staggered multiple-year terms), do annual t

[单选题]Interview questions can be classified into some major types by different focus, so they could be ________.A．future situation-relatedB．work experience-relatedC．subject knowledge-relatedD．past behavior-related

[单选题]This passage can be classified as________.A． an advertisementB． a book reviewC． a feature storyD． A news report

[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