109886450 Cisco Network Fundamentals

© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public ITE PC v4.0 Chapter 1 1

Living in a Network Centric World

Network Fundamentals – Chapter 1

ITE PC v4.0 Chapter 1 2 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public

Objectives Describe how networks impact our daily lives.

Describe the role of data networking in the human network.

Identify the key components of any data network.

Identify the opportunities and challenges posed by converged networks.

Describe the characteristics of network architectures: fault tolerance, scalability, quality of service and security.

Install and use IRC clients and a Wiki server.


How Networks Impact Daily Life Explain the benefits of instantaneous communication

and how it supports and improves our lives.


How Networks Impact Daily Life Describe the characteristics and purpose of popular

communication media such as, IM, Wikis , Blogs, Podcasting, and Collaboration Tools

–Instant messaging •Real time communication between 2 or more people based on typed text

–Weblogs (Blogs) •Web pages created by an individual

–Podcasting •Website that contains audio files available for downloading


How Networks Impact Daily Life Explain ways that using information networks to share

and collaborate improves teaching and learning


How Networks Impact Daily Life Describe ways communication over a network changes

the way we work


How Networks Impact Daily Life Describe ways communication over a network supports

the way we play


Data Networking Role, Components, and Challenges Basic characteristics of communication

–Rules or agreements are 1st established –Important information may need to be repeated –Various modes of communication may impact the effectiveness of getting the message across.


Data Networking Role, Components, and Challenges Describe the role of data networking in communications


Data Networking Role, Components, and Challenges

Describe the various elements that make up a network

–Devices •These are used to communicate with one another

–Medium •This is how the devices are connected together

–Messages •Information that travels over the medium

–Rules •Governs how messages flow across network


Data Networking Role, Components, and Challenges Describe the role of converged networks in

communications –Converged network

• A type of network that can carry voice, video & data over the same network


Network Architecture Characteristics Explain four characteristics that are addressed by

network architecture design –Fault tolerance –Scalability –Quality of service –Security


Network Architecture Characteristics Describe how packet switching helps improve the

resiliency and fault tolerance of the Internet architecture


Network Architecture Characteristics Describe characteristics of the Internet that help it scale

to meet user demand –Hierarchical –Common standards –Common protocols


Network Architecture Characteristics Explain the factors that necessitate Quality of Service

and the mechanisms necessary to ensure it


Network Architecture Characteristics Describe how QoS mechanisms work to ensure quality

of service for applications that require it.


Network Architecture Characteristics Describe how to select the appropriate QoS strategy for

a given type of traffic


Network Architecture Characteristics Describe why networks must be secure


Network Architecture Characteristics Describe basic measures to secure data networks

–Ensure confidentiality through use of •User authentication •Data encryption

–Maintain communication integrity through use of •Digital signatures

–Ensure availability through use of •Firewalls •Redundant network architecture •Hardware without a single point of failure


IRC Clients and Wiki Server Install and use IRC clients and a Wiki server


Summary



Communicating over the Network



Objectives Describe the structure of a network, including the

devices and media that are necessary for successful communications.

Explain the function of protocols in network communications.

Explain the advantages of using a layered model to describe network functionality.

Describe the role of each layer in two recognized network models: The TCP/IP model and the OSI model.

Describe the importance of addressing and naming schemes in network communications.


Network Structure Define the elements of communication

–3 common elements of communication • message source • the channel • message destination

Define a network data or information networks capable of carrying many different types of communications


Network Structure Describe how messages are communicated

Data is sent across a network in small “chunks” called segments


Network Structure Define the components of a network

–Network components • hardware • software


Network Structure End Devices and their Role in the Network

–End devices form interface with human network & communications network –Role of end devices:

• client • server • both client and server


Network Structure Identify the role of an intermediary device in a data

network and be able to contrast that role with the role of an end device

–Role of an intermediary device • provides connectivity and ensures data flows across network


Network Structure Define network media and criteria for making a network

media choice Network media this is the channel over which a message travels


Network Types Define Local Area Networks (LANs)

- A network serving a home, building or campus is considered a Local Area Network (LAN)


Network Types Define Wide Area Networks (WANs)

- LANs separated by geographic distance are connected by a network known as a Wide Area Network (WAN)


Network Types Define the Internet

The internet is defined as a global mesh of interconnected networks


Network Types Describe network representations


Function of Protocol in Network Communication The importance of protocols and how they are used to

facilitate communication over data networks A protocol is a set of predetermined rules


Function of Protocol in Network Communication Explain network protocols

Network protocols are used to allow devices to communicate successfully


Function of Protocol in Network Communication Describe Protocol suites and industry standards

A standard is a process or protocol that has been endorsed by the networking industry and ratified by a standards organization


Function of Protocol in Network Communication Define different protocols and how they interact


Function of Protocol in Network Communication Technology independent Protocols

-Many diverse types of devices can communicate using the same sets of protocols. This is because protocols specify network functionality, not the underlying technology to support this functionality.


Layers with TCP/IP and OSI Model Explain the benefits of using a layered model

–Benefits include • assists in protocol design • fosters competition • changes in one layer do not affect other layers • provides a common language


Layers with TCP/IP and OSI Model Describe TCP/IP Mode


Layers with TCP/IP and OSI Model Describe the Communication Process


Layers with TCP/IP and OSI Model Explain protocol data units (PDU) and encapsulation


Layers with TCP/IP and OSI Model Describe the process of sending and receiving

messages


Layers with TCP/IP and OSI Model Explain protocol and

reference models A protocol model provides a model that closely matches the structure of a particular protocol suite. A reference model provides a common reference for maintaining consistency within all types of network protocols and services.


Layers with TCP/IP and OSI Model Define OSI


Layers with TCP/IP and OSI Model Compare OSI and TCP/IP model


Addressing and Naming Schemes Explain how labels in encapsulation headers are used

to manage communication in data networks


Addressing and Naming Schemes Describe examples of Ethernet MAC Addresses, IP

Addresses, and TCP/UDP Port numbers


Addressing and Naming Schemes Explain how labels in encapsulation headers are used

to manage communication in data networks


Addressing and Naming Schemes Describe how information in the encapsulation header

is used to identify the source and destination processes for data communication


Summary



Application Layer Functionality and Protocols



Objectives Define the application layer as the source and

destination of data for communication across networks.

Explain the role of protocols in supporting communication between server and client processes.

Describe the features, operation, and use of well-known TCP/IP application layer services (HTTP, DNS, SMTP).


Applications – The Interface Between Human and Data Networks Explain that applications provide the means for generating and

receiving data that can be transported on the network


Applications – The Interface Between Human and Data Networks Explain the role of applications, services and protocols in

converting communication to data that can be transferred across the data network


Applications – The Interface Between Human and Data Networks Define the separate roles applications, services and protocols play

in transporting data through networks


Applications – The Interface Between Human and Data Networks Describe the role protocols play in networking and be able to

identify several message properties that can be defined by a protocol


The Role of Protocols in Supporting Communication Describe the roles of client and server processes in data networks


The Role of Protocols in Supporting Communication List common Application Layers services and protocols


The Role of Protocols in Supporting Communication Compare and contrast client server networking with peer-to-peer

networking and peer-to-peer applications


Features, Operation, and Use of TCP/IP Application Layer Services Describe the features of the DNS protocol and how this protocol

supports DNS services


Features, Operation, and Use of TCP/IP Application Layer Services Describe the features of the HTTP protocol and how this protocol

supports the delivery of web pages to the client


Features, Operation, and Use of TCP/IP Application Layer Services Describe the features of the POP and SMTP protocols, and how

these protocols support e-mail services


Features, Operation, and Use of TCP/IP Application Layer Services Describe the features of the Telnet protocol and identify several of

its uses in examining and managing networks


Features, Operation, and Use of TCP/IP Application Layer Services Describe the features of the SMB protocol and the role it plays in

supporting file sharing in Microsoft-based networks


Features, Operation, and Use of TCP/IP Application Layer Services Describe the features of the Gnutella protocol and the role it plays

in supporting P2P services


Summary



OSI Transport Layer



Objectives Explain the role of Transport Layer protocols and

services in supporting communications across data networks

Analyze the application and operation of TCP mechanisms that support reliability

Analyze the application and operation of TCP mechanisms that support reassembly and manage data loss.

Analyze the operation of UDP to support communicate between two processes on end devices


Transport Layer Role and Services Explain the purpose of the Transport layer


Transport Layer Role and Services Major functions of the transport layer and the role it

plays in data networks


Transport Layer Role and Services Supporting Reliable Communication


Transport Layer Role and Services Identify the basic characteristics of the UDP and TCP

protocols


Transport Layer Role and Services Identify how a port number is represented and describe

the role port numbers play in the TCP and UDP protocols.


Transport Layer Role and Services Describe the role of segments in the transport layer and

the two principle ways segments can be marked for reassembly.


Application and Operation of TCP Mechanisms Trace the steps that show how the TCP reliability

mechanism works as part of a session


Application and Operation of TCP Mechanisms Describe the role of port numbers in establishing TCP

sessions and directing segments to server process


Application and Operation of TCP Mechanisms Trace the steps in the handshake in the establishment

of TCP sessions


Application and Operation of TCP Mechanisms Trace the steps in the handshake in the termination of

TCP sessions


Managing TCP Sessions Describe how TCP sequence numbers are used to

reconstruct the data stream with segments placed in the correct order


Managing TCP Sessions Trace the steps used by the TCP protocol in which

sequence numbers and acknowledgement numbers are used to manage exchanges in a conversation


Managing TCP Sessions Describe the retransmission.remedy for lost data

employed by TCP


Managing TCP Sessions Describe the mechanisms in TCP that manage the

interrelationship between window size, data loss and congestion during a session


UDP Protocol Describe the characteristics of the UDP protocol and

the types of communication for which it is best suited


UDP Protocol Describe in detail the process specified by the UDP

protocol to reassemble PDUs at the destination device


UDP Protocol Describe how servers use port numbers to identify a

specified application layer process and direct segments to the proper service or application


UDP Protocol Trace the steps as the UDP protocol and port numbers

are utilized in client-server communication.


Summary



OSI Network Layer



Objectives Identify the role of the Network Layer, as it describes

communication from one end device to another end device

Examine the most common Network Layer protocol, Internet Protocol (IP), and its features for providing connectionless and best-effort service

Understand the principles used to guide the division or grouping of devices into networks

Understand the hierarchical addressing of devices and how this allows communication between networks

Understand the fundamentals of routes, next hop addresses and packet forwarding to a destination network


Network Layer Protocols and Internet Protocol (IP) Define the basic role of the Network Layer in data

networks


Network Layer Protocols and Internet Protocol (IP) Identify the basic characteristics and the role of the

IPv4 protocol


Network Layer Protocols and Internet Protocol (IP) Describe the implications for the use of the IP protocol

as it is connectionless


Network Layer Protocols and Internet Protocol (IP) Describe the implications for the use of the IP protocol

as it is considered an unreliable protocol


Network Layer Protocols and Internet Protocol (IP) Describe the implications for the use of the IP as it is

media independent


Network Layer Protocols and Internet Protocol (IP) Describe the role of framing in the Transport Layer and

explain that segments are encapsulated as packets


Network Layer Protocols and Internet Protocol (IP) Identify the major header fields in the IPv4 protocol and

describe each field's role in transporting packets


Grouping Devices into Networks and Hierarchical Addressing List several different reasons for grouping devices into

sub-networks and define several terms used to identify the sub-networks


Grouping Devices into Networks and Hierarchical Addressing List several ways in which dividing a large network can

increase network performance


Grouping Devices into Networks and Hierarchical Addressing List several ways in which dividing a large network can

increase network security


Grouping Devices into Networks and Hierarchical Addressing Explain the communication problems that emerge when

very large numbers of devices are included in one large network


Grouping Devices into Networks and Hierarchical Addressing Describe how hierarchical addressing solves the

problem of devices communicating across networks of networks


Grouping Devices into Networks and Hierarchical Addressing Describe the purpose of further subdividing networks

into smaller networks


Fundamentals of Routes, Next Hop Addresses and Packet Forwarding Describe the role of an intermediary gateway device in

allowing devices to communicate across sub-divided networks


Fundamentals of Routes, Next Hop Addresses and Packet Forwarding Trace the steps of an IP packet as it traverses

unchanged via routers from sub network to sub-network


Fundamentals of Routes, Next Hop Addresses and Packet Forwarding Describe the role of a gateway and the use of a simple

route table in directing packets toward their ultimate destinations


Fundamentals of Routes, Next Hop Addresses and Packet Forwarding Define a route and its three key parts


Fundamentals of Routes, Next Hop Addresses and Packet Forwarding Describe the purpose and use of the destination

network in a route


Fundamentals of Routes, Next Hop Addresses and Packet Forwarding Describe the purpose and use of the next hop in a route


Fundamentals of Routes, Next Hop Addresses and Packet Forwarding Trace the steps of several IP packets as they are

routed through several gateways from devices on one sub network to devices on other sub networks


Fundamentals of Routes, Next Hop Addresses and Packet Forwarding Describe the purpose of routing protocols and the need

for both static and dynamic routes


Fundamentals of Routes, Next Hop Addresses and Packet Forwarding Explain how routes are manually configured to build

routing table


Fundamentals of Routes, Next Hop Addresses and Packet Forwarding Explain the role of routing protocols in building the

routing table


Summary



Addressing the Network – IPv4



Objectives Explain the structure IP addressing and demonstrate the ability

to convert between 8-bit binary and decimal numbers.

Given an IPv4 address, classify by type and describe how it is used in the network

Explain how addresses are assigned to networks by ISPs and within networks by administrators

Determine the network portion of the host address and explain the role of the subnet mask in dividing networks.

Given IPv4 addressing information and design criteria, calculate the appropriate addressing components.

Use common testing utilities to verify and test network connectivity and operational status of the IP protocol stack on a host.


IP Addressing Structure Describe the dotted decimal structure of a binary IP

address and label its parts


IP Addressing Structure Describe the general role of 8-bit binary in network

addressing and convert 8-bit binary to decimal


IP Addressing Structure Practice converting 8-bit binary to decimal


IP Addressing Structure Convert decimal to 8-bit binary


IP Addressing Structure Practice converting decimal to 8-bit binary


Classify and Define IPv4 Addresses Name the three types of addresses in the network and

describe the purpose of each type


Classify and Define IPv4 Addresses Determine the network, broadcast and host addresses

for a given address and prefix combination


Classify and Define IPv4 Addresses Name the three types of communication in the Network

Layer and describe the characteristics of each type


Classify and Define IPv4 Addresses Identify the address ranges reserved for these special

purposes in the IPv4 protocol


Classify and Define IPv4 Addresses Define public address and private address


Classify and Define IPv4 Addresses Describe the purpose of several special addresses


Classify and Define IPv4 Addresses Identify the historic method for assigning addresses

and the issues associated with the method


Assigning Addresses Explain the importance of using a structured process to

assign IP addresses to hosts and the implications for choosing private vs. public addresses


Assigning Addresses Explain how end user devices can obtain addresses

either statically through an administrator or dynamically through DHCP


Assigning Addresses Explain which types of addresses should be assigned

to devices other than end user devices


Assigning Addresses Describe the process for requesting IPv4 public

addresses, the role ISPs play in the process, and the role of the regional agencies that manage IP address registries


Assigning Addresses Identify different types of ISPs and their roles in

providing Internet connectivity


Assigning Addresses Identify several changes made to the IP protocol in

IPv6 and describe the motivation for migrating from IPv4 to IPv6.


Determine the network portion of the host address and the role of the subnet mask Describe how the subnet mask is used to create and

specify the network and host portions of an IP address


Determine the network portion of the host address and the role of the subnet mask Use the subnet mask and ANDing process to extract

the network address from the IP address.


Determine the network portion of the host address and the role of the subnet mask Use ANDing logic to determine an outcome.


Determine the network portion of the host address and the role of the subnet mask Observe the steps in the ANDing of an IPv4 host

address and subnet mask


Calculating Addresses Use the subnet mask to divide a network into smaller

networks and describe the implications of dividing networks for network planners


Calculating Addresses Extract network addresses from host addresses using

the subnet mask


Calculating Addresses Calculate the number of hosts in a network range given

an address and subnet mask


Calculating Addresses Given a subnet address and subnet mask, calculate the

network address, host addresses and broadcast address


Calculating Addresses Given a pool of addresses and masks, assign a host

parameter with address, mask and gateway


Calculating Addresses Given a diagram of a multi-layered network, address

range, number of hosts in each network and the ranges for each network, create a network scheme that assigns addressing ranges to each network


Testing the Network Layer Describe the general purpose of the ping command,

trace the steps of its operation in a network, and use the ping command to determine if the IP protocol is operational on a local host


Testing the Network Layer Use ping to verify that a local host can communicate

with a gateway across a local area network


Testing the Network Layer Use ping to verify that a local host can communicate via

a gateway to a device in remote network


Testing the Network Layer Use tracert/traceroute to observe the path between two

devices as they communicate and trace the steps of tracert/traceroute's operation


Testing the Network Layer Describe the role of ICMP in the TCP/IP suite and its

impact on the IP protocol


Summary



OSI Data Link Layer



Objectives Explain the role of Data Link layer protocols in data transmission.

Describe how the Data Link layer prepares data for transmission on network media.

Describe the different types of media access control methods.

Identify several common logical network topologies and describe how the logical topology determines the media access control method for that network.

Explain the purpose of encapsulating packets into frames to facilitate media access.

Describe the Layer 2 frame structure and identify generic fields.

Explain the role of key frame header and trailer fields including addressing, QoS, type of protocol and Frame Check Sequence.


Data Link Layer – Accessing the Media Describe the service the Data Link Layer provides as it

prepares communication for transmission on specific media


Data Link Layer – Accessing the Media Describe why Data Link layer protocols are required to

control media access


Data Link Layer – Accessing the Media Describe the role of framing in preparing a packet for

transmission on a given media


Data Link Layer – Accessing the Media Describe the role the Data Link layer plays in linking the

software and hardware layers


Data Link Layer – Accessing the Media Identify several sources for the protocols and standards

used by the Data Link layer


Media Access Control Techniques Explain the necessity for controlling access to the

media


Media Access Control Techniques Identify two media access control methods for shared

media and the basic characteristics of each


Media Access Control Techniques Define Full Duplex and Half Duplex as it relates to

Media Access Control for non-shared media


Media Access Control Techniques Describe the purpose of a logical topology and identify

several common logical topologies


Media Access Control Techniques Contrast logical and physical topologies


Media Access Control Techniques Identify the characteristics of point-to-point topology

and describe the implications for media access when using this topology


Media Access Control Techniques Identify the characteristics of multi-access topology and

describe the implications for media access when using this topology


Media Access Control Techniques Identify the characteristics of ring topology and describe

the implications for media access when using this topology


Media Access Control Addressing and Framing Data Describe the purpose of encapsulating packets into

frames to facilitate the entry and exit of data on media


Media access control addressing and framing data Describe the role of the frame header in the Data Link

layer and identify the fields commonly found in protocols specifying the header structure


Media access control addressing and framing data Describe the role of addressing in the Data Link layer

and identify cases where addresses are needed and cases where addresses are not needed


Media access control addressing and framing data Describe the importance of the trailer in the Data Link

layer and its implications for use on Ethernet, a "non-reliable" media


Summary



OSI Physical Layer



Objectives Explain the role of Physical layer protocols and

services in supporting communication across data networks. - Describe the role of signals used to represent bits as a frame

as the frame is transported across the local media

Describe the purpose of Physical layer signaling and encoding as they are used in networks

Identify the basic characteristics of copper, fiber and wireless network media

Describe common uses of copper, fiber and wireless network media


Physical Layer Protocols & Services Describe the purpose of the Physical layer in the

network and identify the basic elements that enable this layer to fulfill its function


Physical Layer Protocols & Services Describe the role of bits in representing a frame as it is

transported across the local media.


Physical Layer Protocols & Services Describe the role of signaling in the physical media.


Physical Layer Protocols & Services Distinguish who establishes and maintains standards

for the Physical layers compared to those for the other layers of the network


Physical Layer Protocols & Services Identify hardware components associated with the

Physical layer that are governed by standards


Physical Layer Signaling and Encoding Explain that network communication at this layer

consists of individual bits encoded onto the Physical layer and describe the basic encoding techniques.


Physical Layer Signaling and Encoding Describe the role of encoding as it applies to the

transmission of bits and explain the value of treating a collection of bits as a code.


Physical Layer Signaling and Encoding Define the terms bandwidth, throughput, and goodput


Characteristics & Uses of Network Media Identify several media characteristics defined by

Physical layer standards.


Characteristics & Uses of Network Media Describe the impact interference has on throughput and

the role of proper cabling in reducing interference


Characteristics & Uses of Network Media Identify the basic characteristics of UTP cable


Characteristics & Uses of Network Media Identify the basic characteristics of STP and Coaxial

cable


Characteristics & Uses of Network Media Identify types of safety issues when working with

copper cabling


Characteristics & Uses of Network Media Identify several primary characteristics of fiber cabling

and its main advantages over other media


Characteristics & Uses of Network Media Describe the role of radio waves when using air as the

media and the increased need for security in wireless communications


Characteristics & Uses of Network Media Identify the characteristics used to categorize

connectors, describe some common uses for the same connectors, and identify the consequences for misapplying a connector in a given situation


Summary



Ethernet



Objectives Identify the basic characteristics of network media used in

Ethernet.

Describe the physical and data link features of Ethernet.

Describe the function and characteristics of the media access control method used by Ethernet protocol.

Explain the importance of Layer 2 addressing used for data transmission and determine how the different types of addressing impacts network operation and performance.

Compare and contrast the application and benefits of using Ethernet switches in a LAN as apposed to using hubs.

Explain the ARP process.


Characteristics of Network Media used in Ethernet Identify several characteristics of Ethernet in its early

years.


Characteristics of Network Media used in Ethernet Describe the emergence of the LAN switch as a key

innovation for managing collisions on Ethernet-based networks


Characteristics of Network Media used in Ethernet Identify the characteristics of state-of-the-art Ethernet

and describe its utilization of cabling and point-to-point topography


Physical and Data Link Features of Ethernet Standards and Implementation


Physical and Data Link Features of Ethernet Describe how the Ethernet operates across two layers

of the OSI model


Physical and Data Link Features of Ethernet Logic Link Control – Connecting the Upper Layers


Physical and Data Link Features of Ethernet Media Access Control (MAC)


Physical and Data Link Features of Ethernet Physical Implementations of the Ethernet


Function and Characteristics of the Media Access Control Method MAC in Ethernet


Function and Characteristics of the Media Access Control Method Carrier Sense Multiple Access with Collision Detection


Function and Characteristics of the Media Access Control Method

Ethernet Timing


Layer 2 addressing and its Impact on Network Operation and Performance The Frame – Encapsulating the Packet


Layer 2 addressing and its Impact on Network Operation and Performance The Ethernet MAC Address


Layer 2 addressing and its Impact on Network Operation and Performance Hexadecimal Numbering and Addressing


Layer 2 addressing and its Impact on Network Operation and Performance Another Layer of Addressing


Layer 2 addressing and its Impact on Network Operation and Performance Ethernet Unicast, Multicast and Broadcast


Compare and Contrast the Use of Ethernet Switches versus Hubs in a LAN. Legacy Ethernet – Using Hubs


Compare and Contrast the Use of Ethernet Switches versus Hubs in a LAN. Ethernet – Using Switches


Compare and Contrast the Use of Ethernet Switches versus Hubs in a LAN. Describe how a switch can eliminate collisions,

backoffs and re- transmissions, the leading factors in reduced throughput on a hub-based Ethernet network


Explain the Address Resolution Protocol (ARP) process. Mapping IP to MAC Addresses


Explain the Address Resolution Protocol (ARP) process. ARP – Destinations Outside the Local Network


Explain the Address Resolution Protocol (ARP) process. ARP – Removing Address Mappings


Explain the Address Resolution Protocol (ARP) process. ARP Broadcasts - Issues


Summary



Planning and Cabling Networks



Objectives Identify the basic network media required to make a LAN

connection.

Identify the types of connections for intermediate and end device connections in a LAN. - Identify the pin out configurations for straight-through and crossover

cables. - Identify the different cabling types, standards and ports used for

WAN connections. - Define the role of device management connections when using

Cisco equipment.

Design an addressing scheme for an inter-network and assign ranges for hosts, network devices and the router interface.

Compare and contrast the importance of network designs


Basic Network Media Required to Make a LAN Connection. Select the appropriate hardware, including the cabling,

to install several computers together in a LAN


Basic Network Media Required to Make a LAN Connection. To identify some key aspects of the devices they will be

employing in a LAN


Basic Network Media Required to Make a LAN Connection. Connect two computers with a switch


Types of Connections in a LAN Given a specific network connection, identify the type of

cable required to make the connection


Types of Connections in a LAN Identify the correct cable to use in connecting

intermediate and end devices in a LAN.


Types of Connections in a LAN Identify the pinout of the straight-through and cross-

over cables


Types of Connections in a LAN Recognize that a different class of cables is used to

connect WANs, and that the cables, standards and ports are different than those in use by LANs.


Types of Connections in a LAN Define the role of device management connections

when using Cisco equipment.


Design an Addressing Scheme for an Inter-network. Design an address scheme for an internetwork and

assign ranges for hosts, network devices and the router interface


Design an Addressing Scheme for an Inter-network. Calculate the address ranges for sub networks


Importance of Network Designs Given a network scenario, develop an appropriate

networking scheme


Importance of Network Designs Determine the total number of hosts in a network,

accounting for present and future requirements


Importance of Network Designs Given a network requirement, determine the optimum

number of sub networks in the larger internetwork.


Importance of Network Designs Describe how to count the segments between router

interfaces.


Summary



Configuring and Testing Your Network



Objectives Define the role of the Internetwork Operating System

(IOS)

Use Cisco CLI commands to perform basic router and switch configuration and verification

Given a network addressing scheme, select, apply, and verify appropriate addressing parameters to a host

Use common utilities to verify network connectivity between hosts

Use common utilities to establish a relative performance baseline for the network


Role of Internetwork Operating System (IOS) Identify several classes of devices that have IOS

embedded


Role of Internetwork Operating System (IOS) Define the purpose of startup config.


Role of Internetwork Operating System (IOS) Identify the relationship between IOS and config


Role of Internetwork Operating System (IOS) Recognize that Cisco IOS is modal and describe the

implications of modes.


Role of Internetwork Operating System (IOS) Define the different modes and identify the mode

prompts in the CLI


Role of Internetwork Operating System (IOS) Identify the basic command structure for IOS

commands


Role of Internetwork Operating System (IOS) Identify the types of help and feedback available while

using IOS and use these features to get help, take shortcuts and ascertain success


Role of Internetwork Operating System (IOS) Identify the purpose of the show command and several

of its variations


Role of Internetwork Operating System (IOS) Identify several of the configuration modes, their

purpose and their associated prompt


Role of Internetwork Operating System (IOS) Use the CLI to access various IOS configuration modes

on a device


Use Cisco CLI Commands to Perform Basic Router & Switch Configuration and Verification Explain the reasons for naming devices.


Use Cisco CLI Commands to Perform Basic Router & Switch Configuration and Verification Describe two common approaches to establishing

naming conventions


Use Cisco CLI Commands to Perform Basic Router & Switch Configuration and Verification Based on a diagram, configure host names using the

CLI


Use Cisco CLI Commands to Perform Basic Router & Switch Configuration and Verification Describe the role of passwords in limiting access to

device configurations


Use Cisco CLI Commands to Perform Basic Router & Switch Configuration and Verification Describe several ways in which access to a device

configuration can be limited


Use Cisco CLI Commands to Perform Basic Router & Switch Configuration and Verification Use the CLI to set passwords and add banners to a

device


Use Cisco CLI Commands to Perform Basic Router & Switch Configuration and Verification Trace the steps used to examine the startup config,

make changes to config, and replace the startup config with the running config


Use Cisco CLI Commands to Perform Basic Router & Switch Configuration and Verification Use basic IOS config commands to manage a device.


Use Cisco CLI Commands to Perform Basic Router & Switch Configuration and Verification Use a text file to backup and restore config settings


Use Cisco CLI Commands to Perform Basic Router & Switch Configuration and Verification Identify the role of a router in a network.


Use Cisco CLI Commands to Perform Basic Router & Switch Configuration and Verification Describe the purpose of having multiple interfaces in

one router


Use Cisco CLI Commands to Perform Basic Router & Switch Configuration and Verification Explain the purpose of assigning interface descriptions

to a router


Use Cisco CLI Commands to Perform Basic Router & Switch Configuration and Verification Assign a router interface, assign a meaningful interface

description, and enable the interface


Select, Apply, and Verify Appropriate Addressing Parameters to a Host Given a type of host and a master addressing scheme, trace the

steps for assigning host parameters to a host


Select, Apply, and Verify Appropriate Addressing Parameters to a Host Trace the steps for using ipconfig/ifconfig to verify host parameter

assignments and for using ping to test assignments


Select, Apply, and Verify Appropriate Addressing Parameters to a Host Identify two ways parameters can be assigned to hosts


Use Common Utilities to Verify Network Connectivity Between Hosts Use the ping command in the CLI to determine if the IP

protocol is operational on a local host


Use Common Utilities to Verify Network Connectivity Between Hosts Use the ping command to determine if the IP protocol is

properly bound to an NIC


Use Common Utilities to Verify Network Connectivity Between Hosts Use the ping command to determine if a host can

actively communicate across the local network


Use Common Utilities to Verify Network Connectivity Between Hosts Use the ping command to verify that the local host can

communicate across the internetwork to a given remote host.


Use Common Utilities to Verify Network Connectivity Between Hosts Identify several conditions that might cause the test to

fail


Use Common Utilities to Verify Network Connectivity Between Hosts Use trace commands to identify network connectivity

problem


Use Common Utilities to Establish a Relative Performance Baseline for the Network Use the output of the ping command, saved into logs,

and repeated over time, to establish relative network performance


Use Common Utilities to Establish a Relative Performance Baseline for the Network Use the output of the traceroute command, saved into

logs, and repeated over time, to establish relative network performance


Use Common Utilities to Establish a Relative Performance Baseline for the Network Trace the steps for verifying the physical addresses of

the hosts


Summary


Date post:	29-Nov-2015
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109886450 Cisco Network Fundamentals

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