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Three layers are called upper layers
a) Application Layer - 7
b) Presentation Layer - 6
c) Session Layer - 5
bus topology disadvantage?
How do we continuously ping an IP Address?
Q. Illustrate Stop-and-Wait Automatic Repeat request? - Simplest flow as well as error control mechanism - The sending device keeps a duplicate copy of the last frame transm
Q. Explain the Communication Channel Threats? Secrecy Threat - Secrecy is the avoidance of unauthorized information disclosure - Privacy is the guard of individua
When programming a server or a client, we have to deal with port numbers and IP addresses, but we usually do this through an abstraction called a socket. Sockets are the standard A
Q. What is Parabolic Dish Antenna? - Incoming signals means that the Signal bounces off of dish and is directed to focus - Outgoing signals signifies transmission is broadca
QUESTION (a) What are the problems with IPv4 on today's Internet and how does IPv6 solve these problems? (b) Describe at least three ways in which IPv6 is more efficient tha
Q.Role of Host System? Hosts on OSI implementations don't handle network operations (simple terminal) but TCP/IP hosts participate in most network protocols. TCP/IP hosts do su
1. A low voltage digital device has a low state of 0 V and a high state of 1.8 V. It generates a signal train of high pulses at a rate of 1 MHz, these pulses having a 10 ns width a
Memory Memory Layout BOOTROM This device stores the information of the startup diagnostic code in permanently. It performs diagnostics of hardware wh
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