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List the Advantages of microwaves.
a. They need no right of way acquisition among towers.
b. They can carry high quantities of information because of their high operating frequencies.
c. Low cost land purchase: every tower occupies only a small area.
d. High frequency/short wavelength signals needs small antennae.
Identify the 3 major functions at layer 3 of the OSI model Ans) Layer three explains the path, forwards the packet and executes software / logical addressing.
Q. Illustrate the Bus Backbone network? - Topology is a bus - Utilized in networks such as 10Base5 or 10Base2 - Normally utilized to connect different buildings or to con
Assume the following 64-bit DES key (expressed in hexadecimal): FEFE FEFE FEFE FEFE (a) What is the term for such a key? (b) State the value of each of the 48-bit round keys
Application Layer The application layer provides an interface between application entities and the users computer. This layer offers services to a variety of aspects of d
PROBLEM WITH BROADCASTING: There are some issues with the broadcast. For each broadcast frame on the network every computer uses computational sources and places the data into
The Physical layer deals with the definite physical medium and the method of transporting 1s and 0s.
Control This field defines 6 different control bits or flags. These bits enable flow control connection establishment and termination connection abortion and the mode
Data Transfer After connection is established bidirectional data transfer can take place. The client and server can both send data and acknowledgments. Figure show
which are 5 major network services
Wide Area Network WAN Wide Area Network ( WANs) connect larger geographic areas such as London the UK or the world. In this types of networks dedicated transoceanic cab
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