In the following four descriptions, which one is correct? ()
A: If
one host’s transport layer uses TCP, then its network layer
must use virtual-circuit network.
B: Datagram
network provides connection service
C: The
transport-layer connection service is implemented in the router
D: The
network-layer connection service is implemented in the router as well
as in the end system.
A: If
one host’s transport layer uses TCP, then its network layer
must use virtual-circuit network.
B: Datagram
network provides connection service
C: The
transport-layer connection service is implemented in the router
D: The
network-layer connection service is implemented in the router as well
as in the end system.
举一反三
- The IoT system consists of three layers:, and A: sensing layer B: transport layer C: network layer D: application layer
- In the seven-layer OSI network architecture, ( ) layer is on point-to-point basis A: Network B: Transport C: Session D: Application
- The WDM transmission network consists of three layers: Physical Layer、Data Link Layer and Network Layer.
- P12: ___________ work at the Network Layer(layer 3) of the OSI model and the Internet Layer of TCP/IP. A: Switches B: Routers C: Hubs D: Modems
- ISO/OSI七层模型中，提供端到端的透明数据传输服务，差错控制和流量控制的层是（ ） A: Physical Layer B: Network Layer C: Transport Layer D: Session Layer