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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.
What is the Network Time Protocol? A protocol that makes sures accurate local timekeeping with reference to radio and atomic clocks located on the Internet. This protocol is c
a. If a password to a cipher is exactly 8 characters long, and each character can be selected from [0-9], [a-z], and [A-Z], how many different passwords are possible? b. Suppose
Describe at one disadvantage of a peer to peer network. When you are accessing the resources that are shared by one of the workstations on the network, that workstation takes
How is route table populated by RIP protocol?
(a) You are provided with the following: A. An RSA facility complete with public/private key pair B. A CBC (cipher block chaining) facility incorporating the IDEA block ciph
Full-Duplex Ethernet 10Base5 as well as 10Base2 are half-duplex Full-duplex raises capacity of each domain No require for CSMA/CD
Path Layer The path layer maps services such as DS3, FDDI, and ATM into the SONET payload formal. This layer provides end to end communications signals labelling path m
Explain ISO's OSI Architecture The Open System Interconnection (OSI) is a standard reference model for communication among two end users in a network. It is used in developing
Question 1: (a) How are IPv4 addresses transformed into IPv6 addresses using IPv4 compatible addresses? (b) Name some of the simplifications that were introduced in IPv6.
Overview of the Transport Layer Protocols Transport layer can be available more than protocols to the network applications. For example the network applications. For
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