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8/4/2019 CCNA Exp1 - Chapter06 - Addressing the Network
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Chapter 6 - Addressingthe Network IPv4
CCNA Exploration version 4.0
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Objectives
Explain the structure IP addressing and demonstrate the abilityto convert between 8-bit binary and decimal numbers.
Given an IPv4 address, classify by type and describe how it isused 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, calculatethe appropriate addressing components.
Use common testing utilities to verify and test networkconnectivity and operational status of the IP protocol stack on ahost.
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IP Addressing Structure
Describe the dotted decimal structure of a binary IPaddress and label its parts
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IP Addressing Structure
Describe the general role of 8-bit binary in networkaddressing and convert 8-bit binary to decimal
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IP Addressing Structure
Practice converting 8-bit binary to decimal Refer to 6.1.3.1
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Binary To Decimal Conversion
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Decimal To Binary Conversion
Convert decimal to 8-bit binary
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Decimal To Binary Conversion
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Decimal To Binary Practice
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Convert IP address
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Network portion and the role of the subnet mask
Describe how the subnet mask is used to create andspecify the network and host portions of an IP address
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Network portion and the role of the subnet mask
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Calculating Addresses
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Classify and Define IPv4 Addresses
Name the three types of addresses in the network anddescribe the purpose of each type
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Classify and Define IPv4 Addresses
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Classify and Define IPv4 Addresses
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Classify and Define IPv4 Addresses
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Calculate address
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Host Address
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Classify and Define IPv4 Addresses
Unicast, Broadcast and Multicast communication.
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Classify and Define IPv4 Addresses
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Public And Private Address
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Link-Local Addresses IPv4 addresses in the address block 169.254.0.0 to
169.254.255.255 (169.254.0.0 /16) are designated as link-localaddresses. These addresses can be automatically assigned to the
local host by the operating system in environments where no IPconfiguration is available.
TEST-NET Addresses The address block 192.0.2.0 to 192.0.2.255 (192.0.2.0 /24) is set
aside for teaching and learning purposes. These addresses can beused in documentation and network examples.
Classify and Define IPv4 Addresses
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IPv4 Addresses Class
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Address Class Identification
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Default Subnet Masks
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Network & Host Identification
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Assigning Addresses
The allocation of these addresses inside the networksshould be planned and documented for the purposes: Preventing duplication of addresses.
Providing and controlling access.
Monitoring security and performance.
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Network Address Translation(NAT)
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Network Address Translation(NAT)
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Assigning Addresses - DHCP
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Assigning Addressess Manually configure
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Assigning Addresses
Explain which types of addresses should be assignedto devices other than end user devices
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IPv6 overview
128-bit hierarchical addressing - to expand addressingcapabilities.
Header format simplification - to improve packet handling. Improved support for extensions and options - for
increased scalability/longevity and improved packethandling.
Flow labeling capability - as QoS mechanisms. Authentication and privacy capabilities - to integrate
security.
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Assigning Addresses
Identify several changes made to the IP protocol inIPv6 and describe the motivation for migrating fromIPv4 to IPv6.
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CALCULATING ADDRESSES
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C l l i Add
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Calculating Addresses
C l l i Add
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Calculating Addresses
C l l i Add
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Calculating Addresses
C l l ti Add
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Calculating Addresses
P ibl h t
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Possible hosts
C l l ti Add
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Calculating Addresses
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VLSM
Variable Length Subnet Masking
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C l l ti Add
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Calculating Addresses
C l l ti Add
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Calculating Addresses
Calculate the number of hosts in a network rangegiven an address and subnet mask
VLSM Practice
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VLSM Practice
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VLSM Practice
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VLSM Practice
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VLSM Practice
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VLSM Practice
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VLSM Practice
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VLSM Practice
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VLSM Practice
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VLSM Practice
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VLSM Practice
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VLSM Practice
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VLSM Practice
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VLSM Practice
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VLSM Practice
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VLSM Practice
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Testing the Network Layer
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Testing the Network Layer
Describe the general purpose of the ping command,trace the steps of its operation in a network, and usethe ping command to determine if the IP protocol isoperational on a local host
Testing the Network Layer
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Testing the Network Layer
Use ping to verify that a local host can communicatewith a gateway across a local area network
Testing the Network Layer
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Testing the Network Layer
Use ping to verify that a local host can communicatevia a gateway to a device in remote network
Testing the Network Layer
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Testing the Network Layer
Use tracert/traceroute to observe the path betweentwo devices as they communicate and trace the stepsof tracert/traceroute's operation
Testing the Network Layer
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Testing the Network Layer
Describe the role of ICMP in the TCP/IP suite and itsimpact on the IP protocol
Testing the Network Layer
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Testing the Network Layer
ICMP is the messaging protocol for the TCP/IP suite.ICMP provides control and error messages and isused by the ping and traceroute utilities. AlthoughICMP uses the basic support of IP as if it were ahigher-level protocol ICMP, it is actually a separateLayer 3 of the TCP/IP suite.
The types of ICMP messages - and the reasons whythey are sent - are extensive. We will discuss some ofthe more common messages. ICMP messages thatmay be sent include:
Host confirmation Unreachable Destination or Service
Time exceeded
Route redirection
Source quench
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