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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 transmitted until it receives an acknowledgement
- Frames signifies alternately numbered as 0 and 1
- ACK for frame0 = ACK 1 and for frame1= ACK0
- Out of order frames as well as erroneous frames are discarded and no ACK is sent
- Timers
- Control Variables
Q. How to connect Remote LANs? - Remote bridges acting as connecting devices to connect LANs and point-to-point networks such as leased telephone lines or ADSL lines
What are MAC addresses? MAC, or Media Access Control, uniquely identifies a device on the network. It is also called as physical address or Ethernet address. A MAC address is m
PACKET SWITCHES: To span large distances or several computers, networks must removed shared phase with packet switches. Each switch moves whole packet from one connection to
What is redirector? Redirector is software that intercepts file or prints I/O requests and changes them into network requests. This comes under presentation layer.
Write the layer on which layer does L2F, PPTP and L2TP operate?
- 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
What is source route and OSPF? Source route It is a series of IP addresses identifying the route a datagram must follow. A source route might optionally be included in an
Define the concept of one way redistribution and mutual
What are the drawbacks of Ethernet Cabling? The Ethernet cabling ahs the following drawbacks: 1. Ethernet is not a high-level performer in high-load environments. This proto
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