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Currently One more way of accessing the Internet being developed is the use of cable modems. These need that you subscribe to a cable service & let you two-way communication with the Internet at rates between 100K and 30 Mbps. The cable modem carry out modulation & demodulation like any other modem, although it also has a tuner & filters to isolate the Internet signal from other cable signals. Part of the concern for employ cable modem is to formulate LAN adapters to let multiple users to access the Internet. For sending data over cable a medium access control (MAC) standard is being formulated by the IEEE 802.14 committee.
Explain what are the External Threats External security threats are the most problematic ones. Till date the greatest threat was the virus menace. Now, with the sophisticated
Firewall is a device or a component that restricts access between a protected or an internal network from an external or untrustworthy network .A firewall basically limits unautho
Default size of frame is 1518 bytes
- Lost as well as delayed ACKs - Bidirectional transmission both side needs both sending and receiving windows Note: In selective repeat ARQ the size of the sender and rece
popular digital encoding schemes ?
how olve abenz network
Local information is immediate hop routing table and distance from every switch. The switches regularly broadcast topology information i.e. distance, destination. Other switches mo
Write an HTML program segment that contains hypertext links from one document to another.
Mail Message Format When an e mail is sent from one person to another a header containing peripheral information precedes the body of the message itself. This contained
What is usage of Sequence Number in Reliable Transmission? The protocol specifies that frames need to be numbered. This is done by using sequence numbers. A field is added to t
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