Cisco CCNA

此应用程序为您提供获得CCNA证书的最佳教程。

Introduction

Computer network explained

OSI reference model

TCP/IP reference model

Data encapsulation

Data encapsulation in the OSI model

Local Area Network (LAN)

What is Ethernet?

Ethernet frame

MAC address

Unicast, multicast, broadcast addresses

Half and full duplex

Basic networking

What is a network hub?

What is a network bridge?

What is a network switch?

Differences between a switch and a bridge

What is a router?

TCP/IP

TCP/IP suite of protocols

What is an IP address?

Private IP addresses

IP address classes

IP address types

Transmission Control Protocol (TCP) explained

User Datagram Protocol (UDP) explained

TCP and UDP ports

Network protocols

Telnet protocol

Secure Shell (SSH) protocol

File Transfer Protocol (FTP)

Trivial File Transfer Protocol (TFTP)

Simple Network Management Protocol (SNMP)

Hypertext Transfer Protocol (HTTP)

Hypertext Transfer Protocol Secure (HTTPS)

Network Time Protocol (NTP)

Domain Name Service (DNS)

Dynamic Host Configuration Protocol (DHCP)

Automatic Private IP Addressing (APIPA)

Internet Control Message Protocol (ICMP)

Address Resolution Protocol (ARP)

IPv4 header

Subnetting

What is subnetting?

Get help in IOS

Display IOS command history

IOS commands

Configure the hostname in IOS

Configure banners in IOS

Configure passwords in IOS

service password-encryption command

Configure descriptions in IOS

Run privileged commands in global config mode

Interfaces on an IOS device

Configure an IP address for an interface

Pipe function in IOS

Memory on a Cisco device

Configuration files on an IOS device

IOS show command

Boot sequence of a Cisco device

Back up IOS configuration

Show running processes

IP routing

IP routing explained

Routing table explained

Directly connected routes

Static routes

Dynamic routes

Types of routing protocols

Administrative distance (AD) explained

Routing metric explained

RIP

RIP (Routing Information Protocol) overview

Reported and feasible distance explained

Successor and feasible successor explained

EIGRP configuration

Wildcard mask explained

EIGRP and wildcard masks

Reliable Transport Protocol (RTP)

Diffusing Update Algorithm (DUAL)

EIGRP auto-summary

EIGRP manual summarization

OSPF

OSPF overview

Designated router and backup designated router

OSPF clear text authentication

OSPF MD5 authentication

OSPF route summarization

Layer 2 switching

Layer 2 switching

How switches learn MAC addresses

How switches forward frames

Port security feature

Assign the switch IP address

Assign static MAC address

VLANs

VLANs explained

Access and trunk ports explained

Frame tagging explained

Inter-Switch Link (ISL) overview

802.1q overview

Configure VLANs

Configure trunk ports

VTP modes explained

Configure VTP

Access Control Lists (ACLs)

What is ACL (Access Control List)?

Standard ACLs

Extended ACLs

IPv6

IPv6 overview