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Q. What is Two Types of Errors?
Single-Bit Errors: Merely one bit in the data unit has changed
Burst Errors of length 'n': 2 or more bits in the data unit have changed (=n' is the distance between the FIRST and LAST errors in the data block)
Single-Bit Errors
Burst Errors
Explain Bus Topology. The physical Bus topology is the easiest and most widely used of the network designs. It having of one continuous length of cable (trunk) and a terminatin
Computer Networks 1. Differentiate WAN and LAN. 2. Describe the TCP/IP Reference Model with diagram. 3. Explain Circuit switching and message switching. 4. List the fu
What are the important topologies for networks? BUS topology: In this every computer is directly linked to primary network cable in a single line. Advantages: Inexpensive,
Simple Mail Transfer Protocols (SMTP) The application layer protocols for electronic mail is SMTP( Simple mail transfer protocols). Internet electronic mail has man
how to switching and routing
What is a Counter A software code that indicates how many times a site has been visited. It gets automatically updated and is usually represented by a small rectangle with n
802.11 CSMA/CA a) Wait a DIFS time to avoid collision b) Send RTS and wait for CTS reply to obtain the use of the Medium (air) c) Use of SIFS time for control informatio
UDP sends packets 'blind' down the network, and relies on upper-layer protocols to form connections and identify errors. TCP is a connection-oriented protocol that can give reliabl
The are various limitations of employing Wireless LAN technology in any multistory building in middle of Melbourne or any other big city are: • Range: The main problem of Wire
Maintaining the sequence number The other advantage of GBN is that it maintain the next sequence number.
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