A. 虚拟电路(虚拟电路网络):- 需要预先建立连接路径,属于面向连接的通信方式(如ATM)-但IP协议是无连接的,每个数据包独立路由,故排除B. 数据报(Datagram):- IP协议通过独立处理每个分组实现无连接传输- 路由设备基于目标地址单独转发每个数据包- 完全符合互联网网络层的实际设计原则C. 电路交换:- 指建立物理独占路径
The Network Layer in the Internet
5.1NetworkLayerDesignIssues 5.2RoutingAlgorithms 5.6TheNetworkLayerintheInternet Descriptionofthenetworklayer Thenetworklayerisconcernedwithgettingp-acketsfromthesourceallthewaytothedesti-nation. Toachieveitsgoals,thenetworklayermustknowaboutthetopologyofthecommunica-tionsubnetandchooseappropriatepathsth-roughit.Itmu...
TheNetworkLayerintheInternet(2)a)TheInternetisaninterconnectedcollectionofmanynetworks.ComputerNetworks,FifthEditionbyAndrewTanenbaumandDavidWetherall,©PearsonEducation-PrenticeHall,2011 TheIPVersion4Protocol(1)a)TheIPv4(InternetProtocol)header.ComputerNetworks,FifthEditionbyAndrewTanenbaumandDavidWetherall,©...
In the TCP/IP model, the four layers are: 4. Application layer: This corresponds, approximately, to layer 7 in the OSI model. 3. Transport layer: Corresponds to layer 4 in the OSI model. 2. Internet layer: Corresponds to layer 3 in the OSI model. 1. Network access layer: Combines ...
The "network layer" is the part of the Internet communications process where these connections occur, by sending packets of data back and forth between different networks. In the 7-layer OSI model (see below), the network layer is layer 3. The Internet Protocol (IP) is one of the main...
The Network Layer Introduction to Network Layer Environment of Network Layer Protocols Store-and-Forward Packet Switching (存储转发分组交换) Positions and Functions of Network Layer Network layer is the lowes... 查看原文 Internet Protocols-1.3 network core 链路容量传输) 1.3.2 Packet-switching: ...
In the seven-layer OSI model of computer networking, the network layer is layer 3. The network layer is responsible for packet forwarding including routing through intermediate routers, since it knows the address of neighboring network nodes, and it also manages quality of service (QoS), and rec...
结果1 题目 The Internet’s network layer is responsible for moving network-layer packets known as ( ) from one host to another. A. frame B. datagram C. segment D. message 相关知识点: 试题来源: 解析 B datagram 反馈 收藏
Internet Protocol (IP) addresses operate at Layer 3, the network layer. TCP, UDP, and IP are protocols that facilitate how data is sent and received. Layer 3 - Network layer The network layer facilitates the transfer of data when two networks are communicating with each other. If two ...