Layer 3 network addressing is one of the major tasks of Network Layer. Network Addresses are always logical i.e. these are software based addresses which can be changed by appropriate configurations. The logical address is generated by the CPU while the program is running whereas the physical address is computed by the Memory Management Unit . The physical topology is the way you physically lay out the network, like a map, and the logical topology is the way the information flows on the network.

The term Logical Address Space is used for the set of all logical addresses generated by a program’s perspective. What will happen if the default gateway address is incorrectly configured on a host? The host cannot communicate with hosts in other networks. A logical network diagram illustrates the flow of information through a network and shows how devices communicate with each other. It typically includes elements like subnets, network objects and devices, routing protocols and domains, voice gateways, traffic flow and network segments.

Usually, the physical and logical topology is the same, but sometimes they can differ, such as in a physical star/logical ring topology. The configuration of the network that contains the resources you want to simulate and the real system you are testing is mi amor meaning called the logical configuration. For each logical configuration, you must use a specific physical configuration, which is the configuration of the system you use to run WSim. Defined as the amount of data that can be transmitted in a fixed amount of time.

This means that the IP datagrams can be routed on IEEE 802 networks encapsulated inside the SNAP data link layers 802.3, 802.4 or 802.5, physical network layers, and the 802.2 LLC. It makes sure the appropriate physical protocol is assigned to the data. The data link layer is the second layer in the OSI Model. The three main functions of the data link layer are to deal with transmission errors, regulate the flow of data, and provide a well-defined interface to the network layer. A router contains a routing table of all locally connected networks and the interfaces that connect to them.

The Data Link Layer wants to send some data over the network, 802.2 Logical Link Control helps make this possible. It also helps by identifying the line protocol, like NetBIOS, or Netware. Ethernet is a way of connecting computers together in a local area network or LAN. It has been the most widely used method of linking computers together in LANs since the 1990s. The basic idea of its design is that multiple computers have access to it and can send data at any time. 8.The physical layer translates logical communication requests from the ______ into hardware specific operations.

The packet transmitted by the sender computer may pass through several LANs or WANs before reaching the destination computer. For this level of communication, we need a global addressing scheme what we call logical addressing. An IP address is used globally to refer to the logical address in the network layer of the TCP/IP protocol.

A logical network is a portion of a physical network that connects two or more logical network interfaces or devices. A logical network interface or device is the software entity that is known by an operating system. The MAC layer is the lower part of the data link layer.

18.In wideband systems, the transmission bandwidth of a single channel _________ coherence bandwidth of the channel. 21.The required resources for communication between end systems are reserved for the duration of the session between end systems in ________ method. It encapsulates the frame with the destination MAC address by using the MAC address of the interface of the next-hop router. The ARP process sends out an ARP request to the Ethernet broadcast address to discover the MAC address of the destination device. The ARP process sends out an ARP request to the IPv4 broadcast address to discover the IPv4 address of the destination device. The ARP process sends out an ARP request to the IPv4 broadcast address to discover the MAC address of the destination device.

It uses the subnet mask to compare the source and destination IP address. Change the IP address of the ingress interface to match the targeted destination network. By dividing the one big network into two smaller network, the network administrator has created two smaller broadcast domains.

It is designed to provide an additional opportunity to practice the skills and knowledge presented in the chapter and to prepare for the Chapter Exam. 49.The source-quench message in ICMP was designed to add a kind of ____________ to the IP. 23.In _________ systems, resources are allocated on demand. It is the IP address of the Router1 interface that connects the PC1 LAN to Router1. Modules 5 – 8 Network Protocols and Architecture Group Exam Answers 01It is the IP address of the Router1 interface that connects the company to the Internet.