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Q. Illustrate Data-Link Layer in osi layers model?
Data-Link Layer: This layer takes the data messages or frames from the Network Layer and gives for their actual transmission. At the receiving computer, this layer gets the incoming data and sends it to the network layer for handling. The Data-Link Layer also gives error-free delivery of data between the two computers by using the physical layer. It does this by covering the data from the Network Layer into a frame, which adds error detection information. At the receiving computer, the Data-Link Layer reads the incoming frame, and makes its own error detection information based on the received frames data. After receiving the complete frame, it then compares its error detection value with that of the incoming frames, and if they match, the frame has been received properly.
DLCI- Data Link Connection Identifier. A frame-relay service provider usually assigns DLCI values that are used by frame-relay to distinguish among different virtual circuits on th
Fundamental of Network The concept of network is not new. In simple it means an interconnected set of some objects. For decades we are familiar with the radio, televi
Many benefits of configuring VLAN as listed below: • Performance Enhancements: It reduces heavy load on the network by permitting operations at lower latencies by using VLAN t
Has a central core conductor covered in an insulating sheath encased in an outer conductor of metal foil RG numbers indicate physical specs such as thickness and type of insula
INTERNETWORKING - TCP/IP 1. State the following terminologies: a) Node b) Router c) Host d) Subnet e) Network 2. What do you understand by IEEE 802 Local Area network 3.
Two broad classes of middleware are a) General middleware b) Service-specific middleware.
After powering up his PC, Bob notices the PC was not able to properly connect to network devices. He obtained the following information from his workstation: C:\>ipconfig Win
Message Passing The PVM communication model gives asynchronous blocking receive, asynchronous blocking send and nonblocking receive functions. In our methodology, a blocking se
What is Redundancy? The method of including extra information in the transmission solely for the purpose of comparison. This technique is known as redundancy.
The following information was obtained from a host: IP address...............205.133.127.8/24 Default Gateway...... 205.133.127.1 DNS Server.............139.100.110.10
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