CCNA Boost

In this lecture, you will learn about the TCP/IP model:

• What the TCP/IP Model is and why it is used
• The different layers of the TCP/IP Model and what each layer represents
• What Adjacent-Layer and Same-Layer Interactions are all about

This lecture will bring the OSI Model to life. You will:

• Understand what the OSI Model is and why it is used
• Differentiate the OSI and TCP/IP Models
• Know the different layers of the OSI Model and what each layer represents

In this lecture, you will learn what happens to data as it moves up and down the OSI and TCP/IP Models. You will also learn about Segments, Packets, and Frames, and where these encapsulation methods are located on the OSI and TCP/IP models.

In this lecture, you will learn the characteristics of UDP and TCP, understand how TCP and UDP work, and understand the concept of Multiplexing.

In this lecture, you will learn what "connection oriented" means, understand the TCP 3-Way Handshake, and know how TCP connections are terminated.

In this lecture you will learn how error recovery makes TCP a reliable protocol and how TCP keeps data in order.

This lecture will teach you how TCP controls the flow of data between devices.

In this lecture, you will:

• Learn the history of Ethernet
• Discover the components of 10Base2 and 10Base5 Etherne
• Learn the basics of 10Base2 & 10Base5 Ethernet Operation
• Become familiar with CSMA/CD

In this lecture, you will learn why Ethernet repeaters were required with 10Base2 & 10Base5 and learn how Ethernet repeaters work.

In this lecture, you will:

• Become familiar with the 10/100/1000 Ethernet specifications and 10BaseT cabling
• Understand how an Ethernet Hub works

In this lecture, you will learn:

• What comprises a UTP cable
• The RJ-45 connector
• How data is transmitted via UTP cable
• The pinouts of a UTP cable

In this lecture, you will learn:

• Why a Crossover cable is needed
• When to use a Crossover cable
• The Crossover cable pinouts
• The Auto-MDIX Cisco feature

In this lecture, you will:

• Learn why CSMA/CD is needed
• Know each step of how CSMA/CD works
• Be aware of the pros and cons CSMA/CD

In this lecture, you will learn how half and full duplex work and become familiar with duplex mismatches.

In this lecture, you will learn what a collision domain is and know how different devices define collision domains.

In this lecture, you will learn:

• What a Broadcast domain is and how it relates to network performance
• How different network devices define Broadcast domains
• The concept of network segmentation

In this lecture, you will learn the structure of a MAC address and the characteristics of the different types of MAC addresses.

In this lecture, you will learn how Ethernet detects errors and what actions it takes once errors are detected. You will also learn about the Ethernet frame header, trailer, and how FCS works.

In this lecture, you will learn the common characteristics of switches and understand how a switch forwards frames.

In this lecture, you will learn how a switch learns the MAC addresses of devices on the network.

In this lecture, you will learn what "frame flooding" is and why a switch will flood frames on the network.

In this lecture, you will learn how STP works and what problem STP solves on the network.

In this lecture, you will learn the three methods a switch will use to process a frame.

In this lecture, you will learn what a VLAN is, know the characteristics of a VLAN, and understand the benefits of using VLANs.

In this lecture, you will learn the benefits of using hierarchy in network designs, and know the characteristics and features of the three layers of the Cisco Hierarchical Design Model.

In this lecture, you will learn what a rollover cable is and why it is used. You will also learn the rollover cable pinouts and how to connect a rollover cable to devices.

In this lecture, you will learn how to console into a Cisco router or switch using a terminal emulator and know the standard Cisco console port settings.

In this lecture, you will learn the characteristics of the three modes used to access a Cisco switch or router. YOu will also learn how to access each mode and how to move between modes.

In this lecture, you will learn which CLI commands are available to you and what the different CLI commands do.

In this lecture, you will learn the different types of memory on a Cisco switch and know what functions each type of memory performs.

In this lecture, you will learn the two types of configuration files on Cisco switches and routers. You will also learn the different techniques of file management on routers and switches and the related CLI commands.

In this lecture, you will learn the telnet and console approach to accessing routers and switches. You will also learn the commands required to configure routers and switches for basic console and telnet access.

In this lecture, you will learn what Setup Mode is and how to use Setup Mode to configure a Cisco switch.

In this lecture, you will learn:

• The two options available to implement an enable password
• The differences in the two enable password approaches
• The commands used to configure both enable password options

In this lecture, you will learn what the hostname is and why it is used. You will also learn how to configure a router or switch hostname.

In this lecture, you will learn the default encryption status of passwords. You will also learn the types of encryption available for passwords and how to configure password encryption.

In this lecture, you will learn what banners are and why they are used. You will also learn the three types of banners available and how to configure a banner.

In this lecture, you will learn:

• What the history buffer is
• How to use the history buffer
• How to configure the parameters of the history buffer

In this lecture, you will learn what the command interpreter is and how exec-timeout is related. You will also learn how to configure the exec-timeout.

In this lecture, you will learn why an IP address is needed on a switch. You will also learn how to configure and verify an IP address on a switch.

In this lecture, you will learn how to configure a basic switch interface and how to determine the interface status.

In this lecture, you will learn:

• What port security is and how it works
• How to configure port security
• How to verify the status of port security

In this lecture, you will learn:

• The requirements for VLAN configuration
• The two types of ports for VLANs
• How to configure a VLAN
• How to assign an interface to a VLAN
• How to verify VLAN configuration

In this lecture, you will learn the security threats related to the default interface configuration. You will also learn the available configuration options to secure switch ports.

In this lecture, you will learn:

• What CDP is and why it is used
• What information is shared via CDP
• How to enable and disable CDP
• How to confirm CDP status

In this lecture, you will learn to determine how a switch will forward a frame by looking at the MAC table. You will also learn what commands to use to inspect the MAC table.

In this lecture, you will learn:

• What a WAN is
• How a WAN is different than a LAN
• The types of WAN connectivity

In this lecture, you will learn the purpose and function of a CSU/DSU. You will also learn the relationship between "clocking" and circuit "speed".

In this lecture, you will learn the unit of measure of circuit speed. You will also learn the different circuit types and related speeds.

In this lecture, you will learn the basic features and characteristics of the Layer Two protocols HDLC & PPP.

In this lecture, you will learn:

• The concept of packet switching
• The benefits of using frame relay
• The basic characteristics, features, and components of frame relay
• The concept of virtual circuits

In this lecture, you will learn what NAT is and how it works. You will also learn the different types of NAT implementation.

In this lecture, you will learn how to configure HDLC & PPP. You will also learn how to verify HDLC & PPP configuration.

In this lecture, you will learn the features and characteristics of packet and circuit switching.

In this lecture, you will learn how an analog modem works for both Internet connectivity and connectivity between computers. You will also learn the characteristics of the analog signal.

In this lecture, you will learn:

• The purpose of DSL
• The basic DSL functionality and components
• The different types of DSL service
• DSL speeds

In this lecture, you will learn what ATM is, the purpose of ATM, and how ATM works.

In this lecture, you will learn what the PSTN is and the history of the PSTN. You will also learn the basic PSTN functionality and become familiar with some of the PSTN components.

In this lecture, you will learn:

• What an IP address is and its purpose
• The terms IPv4 and IPv6
• The terms bits and bytes
• Decimal and binary IP address expression

In this lecture, you will learn the concept of grouping IP addresses. You will also learn what the network and host portions of an IP address signify.

In this lecture, you will learn:

• The concept of network classes
• How to identify the different network classes and their characteristics
• How to determine the network class of an IP address

In this lecture, you will learn the concept of IP subnetting and why it is used. You will also learn how the subnet portion of an IP address is created.

In this lecture, you will learn the characteristics of classful and classless IP addresses. You will also learn the differences in these approaches to viewing IP addresses.

In this lecture, you will learn:

• What an IP subnet mask is and why it is needed
• The basic structure of a subnet mask
• The default subnet mask of Class A, B, and C networks
• Which bit values are used for the network and host portions of a subnet mask

In this lecture, you will learn what CIDR is and how it is used, how to express IP subnets in CIDR notation, and the benefits of using CIDR.

In this lecture, you will learn:

• The characteristics of public and private IP addresses
• How to identify RFC1918 IP addresses
• The concept of NAT

In this lecture, you will learn how to convert an IP address in dotted decimal format to binary format.

In this lecture, you will learn how to convert an IP address from binary format to dotted decimal format. You will also learn the "base ten" and "base two" formats.

In this lecture, you will learn the characteristics of the VLSM and FLSM approaches to subnetting. You will also learn the benefit to using VLSM.

In this lecture, you will learn:

• How to subnet a Class C network
• How many subnets are created by using a particular subnet mask
• How many host IP addresses are created by using a particular subnet mask

In this lecture, you will learn:

• How to subnet Class A & B networks
• How many subnets are created by using a particular subnet mask
• How many host IP addresses are created by using a particular subnet mask

In this lecture, you will learn:

• The concept of zero and broadcast subnets
• The potential issues with using the zero and broadcast subnets
• The command required to enable the use of the zero and broadcast subnets

In this lecture, you will learn how to determine how many subnets are needed to meet a design requirement. You will also learn how to size a subnet according to design requirements.

In this lecture, you will learn how to determine the number of subnets created when subnetting a classful network. You will also learn how to determine the number of valid host IP addresses per subnet.

In this lecture, you will learn how to find all of the subnet numbers created when a classful network is subnetted.

In this lecture, you will learn how to determine the subnet number of an IP address when subnetting is and is not used.

In this lecture, you will learn how to determine the broadcast address when given an IP address and subnet mask.

In this lecture, you will learn how to convert a dotted decimal subnet mask to prefix notation.

In this lecture, you will learn how to evaluate subnet masks when multiple subnet masks meet a design requirement.

In this lecture, you will learn about the exhaustion of IPv4 addresses, why IPv6 was created, and the basic structure and characteristics of IPv6 addresses.

In this lecture, you will learn what routing is and become familiar with Internet Protocol (IP), IP addresses, routing protocols, encapsulation, and ARP in the context of routing.

In this lecture, you will learn the basic characteristics and structure of the IPv4 packet. You will also learn the key fields in the IPv4 packet header.

In this lecture, you will learn how routers learn routes. You will also become familiar with the basic characteristics of routing protocols.

In this lecture, you will learn the basic process of routing on a computer. You will also become familiar with the concepts of default gateways, ARP, and encapsulation.

In this lecture, you will learn the definitions and characteristics of routed and routing protocols.

In this lecture, you will learn the basic function of an IP route table. You will also learn the basic content of an IP route table.

In this lecture, you will learn the three types of routes in the IP route table and the characteristics of each. You will also learn how to configure static and default routes.

In this lecture, you will learn the characteristics of IGPs and EGPs. You will also become familiar with the concept of the Autonomous System (AS).

In this lecture, you will learn:

• What a routing protocol metric is and why it is used
• How the RIP metric of "hop count" works
• Metrics in OSPF and EIGRP

In this lecture, you will learn the characteristics of the classful and classless routing protocols.

In this lecture, you will learn:

• What administrative distance is
• Why & how administrative distance is used

In this lecture, you will learn:

• What route summarization is
• The benefits of using route summarization
• The two ways to summarize routes

In this lecture, you will learn what convergence means in the context of a network.

In this lecture, you will learn the purpose of using ARP and how the ARP process works.

In this lecture, you will learn the purpose of DNS and gain a basic understanding of how DNS works.

In this lecture, you will learn the purpose of using DHCP and the basic functionality of DHCP.

In this lecture, you will learn:

• The purpose of PING
• Basic PING functionality
• How to use PING

In this lecture, you will learn:

• The many different types of interfaces supported by routers
• How to reference interfaces on the CLI
• Useful commands to view router interfaces

In this lecture, you will learn which commands to issue to view interface status and how to interpret the output of interface commands.

In this lecture, you will learn how to configure an IP address on a router interface. You will also learn how to verify the router interface IP address configuration.

In this lecture, you will learn the router boot sequence and what happens when a router is turned on.

In this lecture, you will learn how to use the router Setup Mode and how to access the router Setup Mode.

In this lecture, you will learn how to backup and upgrade or restore the IOS on a router.

In this lecture, you will learn:

• What the configuration register is and its purpose
• The format of the configuration register values
• How to configure a configuration register value
• How to verify the configuration register value

In this lecture, you will learn what the clock rate is used for on a serial interface. You will also learn how to configure the clock rate on a serial interface.

In this lecture, you will learn the purpose of the auxiliary port and how to configure a basic auxiliary port.

In this lecture, you will learn the purpose of the bandwidth command on serial interfaces. You will also learn how to configure the bandwidth on a serial interface.

In this lecture, you will learn what information is provided by the SHOW VERSION command. You will also learn how to use the SHOW VERSION command.

In this lecture, you will learn the purpose of trunking and how trunking works. You will also learn the two ways to implement VLAN tagging.

In this lecture, you will learn what inter-VLAN routing is and what is required to route between two VLANs.

In this lecture, you will learn:

• VTP functionality
• The different types of VTP roles and their characteristics
• The types of VTP messages
• The different versions of VTP
• What VTP pruning is and why it can be beneficial

In this lecture, you will learn:

• The different options to creating a trunk
• The Dynamic Trunking Protocol
• How to configure a trunk
• How to verify trunk configuration and status
• How to add & remove VLANs from a trunk
• How to change the native VLAN on a trunk

In this lecture, you will learn how to configure a router for inter-VLAN routing.

In this lecture, you will learn:

• How to configure a switch port for a Cisco IP phone
• Basic Cisco IP phone characteristics and functionality
• Power-Over-Ethernet (PoE)

In this lecture, you will learn some best practices to securing trunk ports.

In this lecture, you will learn:

• How to configure VTP servers and clients
• How to verify VTP configuration and operation
• How to perform basic VTP troubleshooting

In this lecture, you will learn:

• How STP works
• STP communications
• The different roles switches play in STP
• STP port states
• How a path to the root bridge is created

In this lecture, you will learn:

• How STP elects a root bridge on a network
• The STP bridge ID
• The STP hello BPDU

In this lecture, you will learn:

• Normal STP operation
• How STP responds to changes on a network
• STP timers
• STP port states

In this lecture, you will learn the basic functionality of EtherChannel. You will also learn how EtherChannel can help prevent STP changes on a network.

In this lecture, you will learn:

• How STP can have a negative impact to some connected devices
• The STP PortFast feature and how it can improve network performance
• The possible downside to using PortFast

In this lecture, you will learn:

• Some possible threats to a network
• How the BPDU Guard feature works and how it can protect a network
• The Root Guard feature and how it can improve network stability

In this lecture, you will learn the purpose and characteristics of the UplinkFast & BackboneFast features. You will also learn how these features can improve network performance.

In this lecture, you will learn:

• The features and characteristics of 802.1W
• The improvements to STP introduced by 802.1W
• How 802.1W converges after a network change

In this lecture, you will learn the features and characteristics of PVST+, RPVST & MST.

In this lecture, you will learn:

• How to verify STP operation
• How to configure a root bridge
• How to configure port cost
• How to configure PortFast & BPDU Guard
• How to configure Root Guard
• How to configure UplinkFast & Backbone Fast

In this lecture, you will learn how to configure RSTP and how to verify RSTP operation.

In this lecture, you will learn how to configure EtherChannel and how to verify EtherChannel operation.

In this lecture, you will learn how route decisions are made with respect to prefix length.

In this lecture, you will learn:

• What a secondary IP address is and why it might be used
• How to configure a secondary IP address
• How to verify the secondary IP address configuration

In this lecture, you will learn:

• The concept of packet size
• The pro's and con's to both large and small packets
• What MTU is
• The concept of fragmentation
• How to configure MTU values

In this lecture, you will learn how to enable and disable zero subnet support on a router.

In this lecture, you will learn the three methods available to configure a default route. You will also learn how to verify default route configuration.

In this lecture, you will learn the the concepts of classless and glassful routing. You will also learn how to enable support for classless routing.

In this lecture, you will learn:

• The concept of route summarization and how it works
• Which protocols suppport auto-summarization
• How to enable and disable auto-summarization

In this lecture, you will learn how to configure manual route summarization in EIGRP.

In this lecture, you will learn:

• The features and characteristics of access lists
• The different types of access lists
• How an access list operates

In this lecture, you will learn:

• What a wildcard mask is and how it works in access lists
• How to determine a wildcard mask
• How to interpret a wildcard mask

In this lecture, you will learn the structure of a standard access list. You will also learn how to create and apply a standard access list.

In this lecture, you will learn:

• The structure, features, and characteristics of an extended access list
• How to create and apply an extended access list

In this lecture, you will learn how named access lists enhance access lists. You will also learn how to configure, edit, and apply a named access list.

In this lecture, you will learn:

• How sequence numbers enhance numbered access lists
• How to create, edit, and apply an access list with sequence numbers

In this lecture, you will learn:

• The concept of the dynamic access list and why you might want to use one
• How a dyamic access list works

In this lecture, you will learn how reflexive and time-based access lists work and why you might want to use them.

In this lecture, you will learn:

• How static NAT works and how it can be used
• How to configure static NAT
• How to verify your static NAT configuration
• Common NAT terminology

In this lecture, you will learn:

• How dynamic NAT works and how it can be used
• How to configure dynamic NAT
• How to verify dynamic NAT configuration
• How to troubleshoot dynamic NAT

In this lecture, you will learn:

• What PAT is and how it can be used
• How to configure PAT
• How to verify PAT functionality

In this lecture, you will learn:

• How to troubleshoot NAT
• How to identify common NAT configuration mistakes

In this lecture, you will learn:

• The characteristics and features of distance vector routing protocols
• How distance vector routing protocols function
• How distance vector routing protocols prevent route loops

In this lecture, you will learn:

• The characteristics and features of link state routing protocols
• The benefits of link state routing protocols
• How link state routing protocols function and react to network changes

In this lecture, you will learn:

• The basic characteristics and features of OSPF
• How OSPF forms neighbors
• The OSPF neighbor states and how they are determined

In this lecture, you will learn:

• The concept of the OSPF link state database
• How OSPF neighbors exchange LSDB information
• The Dijkstra Algorithm and its basic functionality

In this lecture, you will learn how OSPF should be structured and designed on a network. You will also learn the different OSPF roles a router a router can play.

In this lecture, you will learn:

• How to implement the required OSPFv2 configurations
• How to verify the OSPFv2 configuration
• How to confirm OSPFv2 status

In this lecture, you will learn:

• How to configure the OSPFv2 router ID
• The OSPFv2 default behvior in choosing a router ID
• Why you might want to configure the OSPFv2 router ID
• How to confirm the OSPFv2 router ID

In this lecture, you will learn:

• What the OSPF hello and dead timers are used for
• How to configure values for the OSPFv2 hello and dead timers
• How to confirm OSPFv2 hello and dead timer values

In this lecture, you will learn:

• The three options available to influencing OSPF metrics
• How to implement OSPFv2 configurations to influence OSPF metrics

In this lecture, you will learn:

• Why OSPF authentication is used
• How to configure OSPFv2 authentication
• How to verify OSPFv2 authentication functionality

In this lecture, you will learn basic OSPF load balancing characteristics. You will also learn how to configure OSPFv2 load balancing.

In this lecture, you will learn the basic features and characteristics of EIGRP. You will also learn how EIGRP neighbors are formed and how they exchange information.

In this lecture, you will learn how EIGRP routes are calculated. You will also learn EIGRP metrics and how EIGRP converges when changes occur on the network.

In this lecture, you will learn:

• How to implement the required EIGRP for IPv4 configurations
• How to verify EIGRP for IPv4 configurations
• How to confirm EIGRP for IPv4 functionality

In this lecture, you will learn:

• How to configure the EIGRP for IPv4 router ID
• EIGRP default behavior when choosing a router ID
• How to verify the EIGRP for IPv4 router ID

In this lecture, you will learn:

• How to configure EIGRP for IPv4 hold and hello timer values
• The purpose of the EIGRP hold and hello timers
• How to verify EIGRP for IPv4 hold and hello timer values

In this lecture, you will learn:

• EIGRP route table information
• The EIGRP topology table
• EIGRP successor and feasible successor routes
• EIGRP feasible distance and reported distance

In this lecture, you will learn how to configure and influence EIGRP for IPv4 metric values.

In this lecture, you will learn:

• EIGRP load balancing characteristics
• How to configure EIGRP for IPv4 load balancing
• How to confirm EIGRP for IPv4 load balancing functionality

In this lecture, you will learn how to configure EIGRP for IPv4 authentication. You will also learn how to confirm EIGRP for IPv4 authentication functionality.