Itn instructor ppt_chapter1 - exploring the networkjoehurst87
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This document provides an overview of networking concepts. It discusses how networks are used in daily life for communication, learning, work and entertainment. It describes the components of networks including devices, media and services. Local area networks (LANs) connect devices within an organization, while wide area networks (WANs) connect multiple LANs and devices over long distances. The largest network is the Internet, which connects millions of networks globally. Emerging trends include bring your own device (BYOD), online collaboration, video communication and cloud computing. The chapter also covers network security threats and solutions.
CCNA 1 Routing and Switching v5.0 Chapter 4Nil Menon
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This document discusses network access and connectivity at the physical and data link layers. It covers various physical media including copper, fiber optic and wireless technologies. Frame structure and data link layer protocols are explained. Media access control methods for local area and wide area networks are also summarized. The objectives are to understand device connectivity options, physical and data link layer standards and protocols, and selecting the appropriate physical media.
CCNAv5 - S4: Chapter3 Point to-point ConnectionsVuz D? H?i
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This chapter discusses point-to-point connections and configuring PPP. It covers serial point-to-point communication fundamentals including HDLC encapsulation. PPP operation is explained, including how LCP and NCP establish and manage connections. The document provides instructions for configuring PPP encapsulation, options like authentication, compression, and multilink. It also includes commands for verifying PPP configuration and troubleshooting connectivity issues.
The document discusses personal computers and applications. It identifies the objectives of describing the purpose and uses of PCs, comparing device types, explaining binary data representation, and determining appropriate components. Common uses of PCs include productivity, entertainment, and communication. Device types include mainframes, servers, desktops, workstations, and portable devices. Key components to consider for a PC purchase include the motherboard, CPU, RAM, storage, and peripherals.
The document summarizes the seven layers of the OSI model from top to bottom. It describes each layer's main responsibilities and concerns. The seven layers are: Application, Presentation, Session, Transport, Network, Data Link, and Physical. The Physical Layer is responsible for moving data in the form of electromagnetic signals across a transmission medium. The Data Link Layer is responsible for moving frames from one node to the next and handles framing, addressing, error control, and flow control. The Network Layer delivers packets from source to destination and handles routing and logical addressing.
1. Perspectivas, impactos y procesos IOTDavid Narváez
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Perspectivas, impactos y procesos IOT
Introducción a los diferentes aspecto s del Internet de las cosas
1.1 Transformación digital
Explique cómo la transformación digital afecta las empresas, la industria y la vida cotidiana.
Explique cómo la transformación digital permite la innovación.
Explique la forma en que las redes proporcionan la plataforma para negocios digitales y la sociedad.
1.2 Dispositivos que se conectan a IoT
Configure un dispositivo de IoT para conectarlo a la red.
Describa el crecimiento exponencial de los dispositivos conectados de IoT
Configure dispositivo para que se comuniquen en IoT.
CCNA 1 Routing and Switching v5.0 Chapter 5Nil Menon
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This document provides an overview of Ethernet networking concepts including:
- How Ethernet frames are encapsulated and the purpose of the MAC sublayers.
- How MAC addresses are assigned and their role in end-to-end communication.
- The purpose and process of ARP for resolving IP addresses to MAC addresses.
- Basic functions of network switches including building the MAC address table and frame forwarding methods like cut-through switching.
CCNA 2 Routing and Switching v5.0 Chapter 1Nil Menon
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The document is a chapter from a Cisco textbook that introduces switched networks. It discusses the convergence of data, voice and video networks and the benefits of a single, converged network. It describes the core, distribution and access layers of hierarchical network design and how switches use MAC address tables, store-and-forward or cut-through switching to segment networks into separate collision domains while maintaining a common broadcast domain. The chapter objectives are to explain switched network design and frame forwarding processes.
CCNA 1 Routing and Switching v5.0 Chapter 3Nil Menon
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The document discusses network protocols and communications. It explains that for communication between devices to occur, agreed upon rules and protocols must be followed. Key points covered include common network protocols like TCP/IP, the role of standards organizations in establishing protocols, and how data is encapsulated and moves through the layers of the OSI and TCP/IP models when transmitted over a network. The chapter also addresses how devices on a local area network access both local and remote network resources through the use of addressing schemes and default gateways.
Nat failover with dual isp on cisco router configuration explained with exampleunixhowto
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This document provides a configuration example for NAT failover between two ISP links on a Cisco router. The configuration defines two outside interfaces connected to each ISP, assigns inside and outside NAT roles, creates an IP SLA to ping the primary ISP router, defines route maps to match traffic to each ISP, creates NAT rules to translate traffic to each ISP, tracks the primary ISP reachability, and establishes a default route to the primary ISP tracked by the IP SLA and a secondary static default route to the secondary ISP.
This document provides instructions for setting up site-to-site IPsec virtual private networks (VPNs) between multiple locations. It explains that IPsec is a common network security standard used to create secure VPN tunnels between networks over public networks. The document then gives step-by-step directions for configuring IPsec VPN connections between two sites, and later expands the configuration to include a third site. The goal is to demonstrate how to securely connect multiple branch office networks through IPsec VPNs.
This document discusses the key aspects of a hierarchical switched LAN architecture. It describes the purpose and functions of the access, distribution and core layers. The access layer interfaces with end devices, the distribution layer aggregates and controls traffic flow, and the core layer acts as the high-speed backbone. A hierarchical design model provides benefits like scalability, redundancy, performance, security and manageability. Factors to consider for an effective design include network diameter, bandwidth aggregation and redundancy. The document also covers matching switches to network layers and Cisco switch product lines.
CCNA 2 Routing and Switching v5.0 Chapter 11Nil Menon
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This document discusses network address translation (NAT) for IPv4. It describes the characteristics and types of NAT, including static NAT, dynamic NAT, and port address translation (PAT). It provides examples of configuring each type of NAT using Cisco IOS commands. Static NAT creates static one-to-one mappings between local and global addresses. Dynamic NAT uses a pool of public addresses assigned on a first-come first-served basis. PAT maps multiple private addresses to a single public address using port numbers. The document also covers verifying NAT configurations and port forwarding.
CCNA 1 Routing and Switching v5.0 Chapter 2Nil Menon
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This document provides an overview of configuring a Cisco IOS network operating system. It discusses accessing and navigating the Cisco IOS using the command line interface, including setting hostnames, limiting access using passwords, and saving configurations. It also covers basic networking concepts like addressing schemes and verifying connectivity between devices.
?IP (micro IP) is very small TCP/IP stack. Open source, widely used memory-constrained embedded product. This protocol stack intended for use with tiny 8- and 16-bit microcontrollers.
Developed by Adam Dunkels
CCNA 1 Routing and Switching v5.0 Chapter 10Nil Menon
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The document discusses the application layer of the OSI model and common application layer protocols. It describes how protocols like HTTP, SMTP, POP, FTP, and SMB allow end-user applications to transfer files, emails and web pages across the network. DNS and DHCP are also covered as they provide important network services like translating domain names to IP addresses and assigning IP configuration to devices.
Routing and switching essentials companion guide
By Cisco Networking Academy
Published Feb 18, 2014 by Cisco Press. Part of the Companion Guide series.
This tutorial gives very good understanding on Computer Networks protocols After completing this tutorial, You will find yourself at a moderate level of expertise in knowing Advance Networking protocols (, from where you can take yourself to next levels.
The document provides information on configuring Cisco routers, including:
- Cisco IOS software uses different command modes to access groups of commands, including user EXEC, privileged EXEC, and configuration modes.
- IP addresses, routing protocols, and other settings are configured in privileged EXEC or configuration modes using commands like interface, ip address, router rip/ospf/eigrp, and more.
- Router and link status can be checked using LED indicators on ports and transceiver modules.
The document discusses network models and protocols. It introduces the OSI reference model and TCP/IP model. The OSI model has 7 layers from physical to application layer. TCP/IP has 4 layers from network access to application layer. Protocols are conventions that control connection and data transfer between endpoints. Encapsulation involves adding headers to data for routing through the layers. Common protocols and their functions are also described.
This document provides an overview of EIGRP including its characteristics, configuration, operation, and implementation for IPv4 and IPv6. It covers key topics such as EIGRP metrics, DUAL algorithm, neighbor discovery process, and verification commands. The document is intended to teach network engineers how to implement EIGRP routing in a small to medium sized business network.
CCNA 1 Routing and Switching v5.0 Chapter 5Nil Menon
?
This document provides an overview of Ethernet networking concepts including:
- How Ethernet frames are encapsulated and the purpose of the MAC sublayers.
- How MAC addresses are assigned and their role in end-to-end communication.
- The purpose and process of ARP for resolving IP addresses to MAC addresses.
- Basic functions of network switches including building the MAC address table and frame forwarding methods like cut-through switching.
CCNA 2 Routing and Switching v5.0 Chapter 1Nil Menon
?
The document is a chapter from a Cisco textbook that introduces switched networks. It discusses the convergence of data, voice and video networks and the benefits of a single, converged network. It describes the core, distribution and access layers of hierarchical network design and how switches use MAC address tables, store-and-forward or cut-through switching to segment networks into separate collision domains while maintaining a common broadcast domain. The chapter objectives are to explain switched network design and frame forwarding processes.
CCNA 1 Routing and Switching v5.0 Chapter 3Nil Menon
?
The document discusses network protocols and communications. It explains that for communication between devices to occur, agreed upon rules and protocols must be followed. Key points covered include common network protocols like TCP/IP, the role of standards organizations in establishing protocols, and how data is encapsulated and moves through the layers of the OSI and TCP/IP models when transmitted over a network. The chapter also addresses how devices on a local area network access both local and remote network resources through the use of addressing schemes and default gateways.
Nat failover with dual isp on cisco router configuration explained with exampleunixhowto
?
This document provides a configuration example for NAT failover between two ISP links on a Cisco router. The configuration defines two outside interfaces connected to each ISP, assigns inside and outside NAT roles, creates an IP SLA to ping the primary ISP router, defines route maps to match traffic to each ISP, creates NAT rules to translate traffic to each ISP, tracks the primary ISP reachability, and establishes a default route to the primary ISP tracked by the IP SLA and a secondary static default route to the secondary ISP.
This document provides instructions for setting up site-to-site IPsec virtual private networks (VPNs) between multiple locations. It explains that IPsec is a common network security standard used to create secure VPN tunnels between networks over public networks. The document then gives step-by-step directions for configuring IPsec VPN connections between two sites, and later expands the configuration to include a third site. The goal is to demonstrate how to securely connect multiple branch office networks through IPsec VPNs.
This document discusses the key aspects of a hierarchical switched LAN architecture. It describes the purpose and functions of the access, distribution and core layers. The access layer interfaces with end devices, the distribution layer aggregates and controls traffic flow, and the core layer acts as the high-speed backbone. A hierarchical design model provides benefits like scalability, redundancy, performance, security and manageability. Factors to consider for an effective design include network diameter, bandwidth aggregation and redundancy. The document also covers matching switches to network layers and Cisco switch product lines.
CCNA 2 Routing and Switching v5.0 Chapter 11Nil Menon
?
This document discusses network address translation (NAT) for IPv4. It describes the characteristics and types of NAT, including static NAT, dynamic NAT, and port address translation (PAT). It provides examples of configuring each type of NAT using Cisco IOS commands. Static NAT creates static one-to-one mappings between local and global addresses. Dynamic NAT uses a pool of public addresses assigned on a first-come first-served basis. PAT maps multiple private addresses to a single public address using port numbers. The document also covers verifying NAT configurations and port forwarding.
CCNA 1 Routing and Switching v5.0 Chapter 2Nil Menon
?
This document provides an overview of configuring a Cisco IOS network operating system. It discusses accessing and navigating the Cisco IOS using the command line interface, including setting hostnames, limiting access using passwords, and saving configurations. It also covers basic networking concepts like addressing schemes and verifying connectivity between devices.
?IP (micro IP) is very small TCP/IP stack. Open source, widely used memory-constrained embedded product. This protocol stack intended for use with tiny 8- and 16-bit microcontrollers.
Developed by Adam Dunkels
CCNA 1 Routing and Switching v5.0 Chapter 10Nil Menon
?
The document discusses the application layer of the OSI model and common application layer protocols. It describes how protocols like HTTP, SMTP, POP, FTP, and SMB allow end-user applications to transfer files, emails and web pages across the network. DNS and DHCP are also covered as they provide important network services like translating domain names to IP addresses and assigning IP configuration to devices.
Routing and switching essentials companion guide
By Cisco Networking Academy
Published Feb 18, 2014 by Cisco Press. Part of the Companion Guide series.
This tutorial gives very good understanding on Computer Networks protocols After completing this tutorial, You will find yourself at a moderate level of expertise in knowing Advance Networking protocols (, from where you can take yourself to next levels.
The document provides information on configuring Cisco routers, including:
- Cisco IOS software uses different command modes to access groups of commands, including user EXEC, privileged EXEC, and configuration modes.
- IP addresses, routing protocols, and other settings are configured in privileged EXEC or configuration modes using commands like interface, ip address, router rip/ospf/eigrp, and more.
- Router and link status can be checked using LED indicators on ports and transceiver modules.
The document discusses network models and protocols. It introduces the OSI reference model and TCP/IP model. The OSI model has 7 layers from physical to application layer. TCP/IP has 4 layers from network access to application layer. Protocols are conventions that control connection and data transfer between endpoints. Encapsulation involves adding headers to data for routing through the layers. Common protocols and their functions are also described.
This document provides an overview of EIGRP including its characteristics, configuration, operation, and implementation for IPv4 and IPv6. It covers key topics such as EIGRP metrics, DUAL algorithm, neighbor discovery process, and verification commands. The document is intended to teach network engineers how to implement EIGRP routing in a small to medium sized business network.