When a packet arrives at one port‚ it is copied to the other ports so that all segments of the LAN can see all packets. Networking Devices ... Multistation Access Unit (MAU) - a hub or concentrator that connects a group of computers (’nodes’ in network terminology) to a token ring local area network. Networking Devices ... Bridges - used to join two network segments together‚ it allows computers on either segment to access resources on the other - can also be used to divide large networks into
Premium Ethernet OSI model Local area network
Carrier Sense Multiple Access with Collision Avoidance. However‚ simple CSMA is susceptible to the hidden node problem‚ especially in so called ad hoc networks where a node may communicate directly with every other node in range or using intermediate nodes as relays otherwise. Hidden nodes cause costly packet collisions and thus significantly affect network performance. In order to combat the hidden node problem‚ a mechanism known as Request to Send/Clear to Send (RTS/CTS) handshake is often used. RTS/CTS
Premium
Introduction Wireless network is indicated to a telecommunication network whose interconnections between nodes are implemented without the use of wires‚ such a computer network. Nowadays‚ wireless network has become the important thing in telecommunication. This sort of technology has been used for over a century and remains synonymous with radio. In 19th century‚ Guglielmo Marconi invented a radio and made his made his mark in the world of wireless technology. At that moment‚ Marconi was about
Premium Wireless networking Wireless network Wireless
Network Security (Packet Sniffing) Outline Packet sniffing Sniffing in Hub Sniffing in Switch ARP (Address Resolution Protocol) ARP Spoofing Conclusion Packet Sniffing Overview Process of monitoring a network to gather information that may be useful Use by both “good guys” and “bad guys” Sniffing in Hub A sends a packet to D All stations will receive the packet including the Sniffer station A B Sniffer Hub C D Sniffing in
Premium Address Resolution Protocol IP address
Transmission Media Explain Radio Wave. What is Microwave? List the Advantages of microwaves. What are the Disadvantages of Microwaves? Describe Infra Red. Computer Network What is a computer network? What are the advantages of Networking? Explain Network Services 8 9 9 10 11 11 11 12 12 12 13 What are the five major network services? What is Network Server? What is a client? What is a
Premium Ethernet Computer network Twisted pair
Chapter 2 Network Models Copyright © The McGraw-Hill Companies‚ Inc. Permission required for reproduction or display. Chapter 2: Outline 2.1 Protocol Layering 2.2 TCP/IP Protocol Suite 2.3 OSI Model 1.# 1 Chapter 2: Objective The first section introduces the concept of protocol layering using two scenarios. The section also discusses the two principles upon which the protocol layering is based. The first principle dictates that each layer needs to have two opposite tasks
Free OSI model Internet Protocol Suite Data Link Layer
or large‚ but if you want to achieved success through networking‚ than you must create a good network design‚ because now days‚ there is no business that does not use network or some means of communication in technology. Therefore‚ business networking design is a crucial strategy that determines the company’s future. According to our text‚ “If you run or work in a business‚ you cannot do without networks. You need to communicate rapidly with your customers‚ suppliers‚ and employees. Until about 1990
Premium Computer network Cisco Systems Router
Managing TCP/IP Networks: Techniques‚ Tools and Security Considerations. Gilbert Held Copyright & 2000 John Wiley & Sons Ltd Print ISBN 0-471-80003-1 Online ISBN 0-470-84156-7 MANAGING TCP/IP NETWORKS Managing TCP/IP Networks: Techniques‚ Tools and Security Considerations. Gilbert Held Copyright & 2000 John Wiley & Sons Ltd Print ISBN 0-471-80003-1 Online ISBN 0-470-84156-7 MANAGING TCP/IP NETWORKS: TECHNIQUES‚ TOOLS‚ AND SECURITY CONSIDERATIONS Gilbert Held 4 Degree Consulting Macon
Free OSI model Internet Protocol Suite
the addition of the network mask in the update to allow classless routing advertisements. This is extremely important for the flexibility needed to efficiently utilize network assignments for an ever-shrinking pool of IP addresses. 6 What is convergence and why is it important? Automated mapping and integration of information technology environments available to a user 7 Is RIP considered to be a fast or slow converging protocol? slow For the simple 3 router network (Figure 1)‚ fill in
Premium IP address Routing Subnetwork
ASIA PACIFIC INSTITUTE OF INFORMATION TECHNOLOGY APIIT Diploma Part 2 Group Assignment HSDPA [High Speed Downlink Packet Access] Prepared By Nadeesha. De. Jeodth [CB003805] Kasun Alahakoon [CB003855] Dasun De Silva [CB003898] Module Code & Title Telecommunications [AICT005-3-2-TELEC] Cohort DF10A2-ICT Date Assigned: 7th July 2011 Date of Submission: 2nd September 2011
Premium Mobile phone Modulation Wireless