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The distance over which data moves within a computer may differ from a few thousandths of an inch, as is the case within a one IC chip, to as much as lot of feet along the backplane of the main circuit board. Over these small distances, digital data might be transmitted as direct, two-level electrical signals over simple copper conductors. Except for the fastest computers, circuit designers are not very concerned about the shape of the conductor or the analog characteristics of signal transmission.
What utility can you use to see the path a packet takes through an internetwork? Ans) Trace - Uses Time-To-Live (TTL) values to make messages from each router used along the pat
Q. Show VPNs Security and the Internet Model? - VPN's Security and the Internet Model - Application layer - provide for each application protocol (other layers may be left v
Describe the term - Certification Authority The certification is most easily implemented with a custom solution combined with a server, called the Certification Authority (CA).
Security Security is the protection of hardware software and data from unauthorized access. Restricted physical access to computer password protection limiting user priv
Modulation and DeModulation
Selective Repeat ARQ - Processing at the receiver additionally complex - The window size is reduced to 2(m-1) (2m/2 at most) - Both the transmitter as well as the receiv
Q. What is Transmission Media? - Actually situated below the physical layer - Directly controlled through the physical layer - Data should be converted into electromagnet
ARP is used to search a devices MAC address given an IP address.
Fundamentals of intranet Introduction The history of the Intranet starts right from the days when computer networks came in. However, it could find a name and place for it
Unguided Media: Wireless - A Wireless communication transporting electromagnetic waves without a physical conductor Wireless Propagation Methods - Ground - radio
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