[ ] The key elements of a Protocol are syntax, semantics, and error control [ ] User Datagram Protocol (UDP) can guarantee data delivery. [ ] Routing decision is always required for every packet of a message at each node in packet switched network.
[ ] The key elements of a Protocol are syntax, semantics, and error control [ ] User Datagram Protocol (UDP) can guarantee data delivery. [ ] Routing decision is always required for every packet of a message at each node in packet switched network.
Operations Research : Applications and Algorithms
4th Edition
ISBN:9780534380588
Author:Wayne L. Winston
Publisher:Wayne L. Winston
Chapter20: Queuing Theory
Section20.10: Exponential Queues In Series And Open Queuing Networks
Problem 8P
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Question 1: True or False:
- [ F ] Telephone network is an example of Packet Switching network.
- [ F ] It is the network layer’s responsibility to forward packets reliably from the source to the destination
- [. T ] Flow control is required to assure that the source does not overwhelm the destination by sending data faster than they can be processed and absorbed.
- [ ] The key elements of a Protocol are syntax, semantics, and error control
- [ ] User Datagram Protocol (UDP) can guarantee data delivery.
- [ ] Routing decision is always required for every packet of a message at each node in packet switched network.
- [ ] In OSI model data link layer provides for the reliable transfer of information across the physical link; sends blocks (frames) with the necessary synchronization, error control, and flow control.
- [ ] The transport layer is responsible for hop-by-hop communication.
- [ ] Because the boundaries between layer are well defined change in standard in one layer effect already existing software in another layer; this makes it difficult to introduce new standard
- [ ] As the data packet moves from the lower to the upper layers, headers are added.
- [ ] Every network device implements the transport layer.
- [ ] In the Ring topology, each computer acts as repeater make error detection and boosts the signal before sending it on.
- [ ] In bus topology network media is inexpensive and easy to work with, so it is easier to trouble shoot than other topology.
- [ ] Error control only detects errors
- [ ] Ethernet is a LAN so it is placed in the second layer of the OSI reference model.
- [ ] UDP provides connectionless service and delivers packets quickly. In case of packet loss, UDP does not provide retransmission.
- [ ] UDP is the preferred over TCP for transferring a real-time voice over IP networks.
- [ ] In a bus topology, each station on the network is connected to two other stations, forming a loop or ring.
- [ ] IEEE international Telecommunication Union for creating protocols of internet.
- [ ] TCP protocol is slower than UDP?
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