In this Linux and CCNA combo course we provide comprehensive knowledge on Linux administration and CCNA Routing and Switching.  The Implementing and Administering Cisco Solutions (CCNA) v1.0 course gives you a broad range of fundamental knowledge for all IT careers. Through a combination of lecture, hands-on labs, and self-study, you will learn how to install, operate, configure, and verify basic IPv4 and IPv6 networks. The course covers configuring network components such as switches, routers, and wireless LAN controllers; managing network devices; and identifying basic security threats. The course also gives you a foundation in network programmability, automation, and software-defined networking.

Course content

Linux Administration

Introduction to Linux

• Introduction to Linux
• Basics of Shell
• Basics of Kernel
• CentOS 8 installation and VBox additions
• Basic Linux Commands
• ECHO and EXPR command
• Set and unset a variable
• Header of a shell script (#!)

Labs: Executing basic Linux commands, Installing CentOS 8 on VirtualBox and adding guest additions to the installed OS.

 File Management

• Text editors and file creation
• Users, Groups and Processes
• Root and Linux file hierarchy
• Understanding file hierarchy
• Understanding file permissions
• chmod and chown commands
• the LS command
• Metacharacters
• Editing a file using VIM
• Displaying contents of a file
• Copy, Move and Remove files

Labs: Using VIM, Creating users and groups, Creating files and directories, Assigning file permissions and ownership using chmod and chown, Editing files in VIM.

Files and Processes

• Everything is a file in UNIX/Linux (files, directories, executables, processes)
• Process control commands (ps and kill)
• other process control tools (top, nice, renice).

Labs: Executing ps and kill commands on running services, Monitoring the OS using top.

Introduction to Shell Scripting

• What is shell scripting
• Types of shell
• Creating and writing a shell script
• Changing the permission of the shell script
• Executing the script
• Environment variables
• Defining a local and a global variable
• User input in a shell script.

Labs: Creating a shell script, Writing and executing the shell script, creating a local and a global variable, taking input from the user in a shell script.

Automating Programs

• Run Levels
• /etc/rc.d Files
• Customization of Run Levels
• cron and anacron
• at and batch

Login Options

• Console Logon
• Controlling Console Login
• Virtual Consoles
• Serial Login
• Remote Login
• ssh Login

Building a Custom Linux Kernel 

• Kernel Versions
• Kernel Source Files
• Kernel Patch Files
• Kernel Configuration
• Kernel Building
• Testing a New Kernel

The GNU/Linux Filesystem 

• Partition Types
• Filesystem Types
• Mounting
• Automount
• File Types
• File Security

Key Filesystem Locations

• Boot Files
• User Files
• Administrator Files
• Configuration Files
• Log Files

The /proc Pseudo Filesystem

• Process Info
• Kernel Config Info
• Hardware Info
• Changing /proc Info
• Sysctl

BASH – Borne Again Shell 

• Key /bin Commands
• Key /sbin Commands
• History
• man and info
• vi
• Using Shell Scripts

User Management 

• Users and Groups
• Home Directories
• Password Files
• PAM
• Quotas
• NIS Intro

Software Management 

• tar Files
• Patch Files
• RPM

Hardware Management

• Types of Devices
• /dev Namespace
• Modules

Database Connectivity

• Installing and configuring MySQL
• Securing MySQL
• Running Queries from terminal
• Running Queries from a shell script.

Labs: Downloading and installing MySQL, Connecting to MySQL from terminal, Querying directly from the terminal, Pushing the query result inside a file, CRUD operations from a shell script.

Network Management 

• Types of Network Devices
• Monitoring Network Devices
• Controlling Network Services
• xinted
• iptables

Network Services – Part I 

• DHCP
• DNS
• SSH

Network Services – Part II

• FTP
• NFS
• Samba

Network Services – Part III 

• Sendmail
• Apache
• Squid Proxy Server

The X Window System 

• X Servers and X Clients
• XFree86
• X Fonts
• GTK and KDE

Exam Practice

Installation Challenges

Configuration Challenges

Troubleshooting Challenges

Cisco Certified Network Associate (CCNA)

Network Fundamentals

Explain the role and function of network components

• Routers
• L2 and L3 switches
• Next-generation firewalls and IPS
• Access points
• Controllers (Cisco DNA Center and WLC)
• Endpoints
• Servers

Describe characteristics of network topology architectures

• 2 tier
• 3 tier
• Spine-leaf
• WAN
• Small office/home office (SOHO)
• On-premises and cloud

Compare physical interface and cabling types

• Single-mode fiber, multimode fiber, copper
• Connections (Ethernet shared media and point-to-point)
• Concepts of PoE

Identify interface and cable issues (collisions, errors, mismatch duplex, and/or speed)

Compare TCP to UDP

Configure and verify IPv4 addressing and subnetting

Describe the need for private IPv4 addressing

Configure and verify IPv6 addressing and prefix

Compare IPv6 address types

• Global unicast
• Unique local
• Link local
• Anycast
• Multicast
• Modified EUI 64

Verify IP parameters for Client OS (Windows, Mac OS, Linux)

Describe wireless principles

• Nonoverlapping Wi-Fi channels
• SSID
• RF
• Encryption

Explain virtualization fundamentals (virtual machines)

Describe switching concepts

• MAC learning and aging
• Frame switching
• Frame flooding
• MAC address table

Network Access

Configure and verify VLANs (normal range) spanning multiple switches

• Access ports (data and voice)
• Default VLAN
• Connectivity

Configure and verify interswitch connectivity

• Trunk ports
• 1Q
• Native VLAN

Configure and verify Layer 2 discovery protocols (Cisco Discovery Protocol and LLDP)

Configure and verify (Layer 2/Layer 3) EtherChannel (LACP)

Describe the need for and basic operations of Rapid PVST+ Spanning Tree Protocol and identify basic operations

• Root port, root bridge (primary/secondary), and other port names
• Port states (forwarding/blocking)
• PortFast benefits

Compare Cisco Wireless Architectures and AP modes

Describe physical infrastructure connections of WLAN components (AP,WLC, access/trunk ports, and LAG)

Describe AP and WLC management access connections (Telnet, SSH, HTTP,HTTPS, console, and TACACS+/RADIUS)

Configure the components of a wireless LAN access for client  connectivity using GUI only such as WLAN creation, security settings, QoS profiles, and advanced WLAN settings

IP Connectivity

Interpret the components of routing table

• Routing protocol code
• Prefix
• Network mask
• Next hop
• Administrative distance
• Metric
• Gateway of last resort

Determine how a router makes a forwarding decision by default

• Longest match
• Administrative distance
• Routing protocol metric

Configure and verify IPv4 and IPv6 static routing

• Default route
• Network route
• Host route
• Floating static

Configure and verify single area OSPFv2

• Neighbor adjacencies
• Point-to-point
• Broadcast (DR/BDR selection)
• Router ID

Describe the purpose of first hop redundancy protocol

IP Services

• Configure and verify inside source NAT using static and pools
• Configure and verify NTP operating in a client and server mode
• Explain the role of DHCP and DNS within the network
• Explain the function of SNMP in network operations
• Describe the use of syslog features including facilities and levels
• Configure and verify DHCP client and relay
• Explain the forwarding per-hop behavior (PHB) for QoS such as classification, marking, queuing, congestion, policing, shaping
• Configure network devices for remote access using SSH
• Describe the capabilities and function of TFTP/FTP in the network

Security Fundamentals

• Define key security concepts (threats, vulnerabilities, exploits, and mitigation techniques)
• Describe security program elements (user awareness, training, and physical access control)
• Configure device access control using local passwords
• Describe security password policies elements, such as management, complexity, and password alternatives (multifactor authentication, certificates, and biometrics)
• Describe remote access and site-to-site VPNs
• Configure and verify access control lists
• Configure Layer 2 security features (DHCP snooping, dynamic ARP inspection, and port security)
• Differentiate authentication, authorization, and accounting concepts
• Describe wireless security protocols (WPA, WPA2, and WPA3)
• Configure WLAN using WPA2 PSK using the GUI

Automation and Programmability

• Explain how automation impacts network management
• Compare traditional networks with controller-based networking
• Describe controller-based and software defined architectures (overlay, underlay, and fabric)
• Separation of control plane and data plane
• North-bound and south-bound APIs
• Compare traditional campus device management with Cisco DNA Center enabled device management
• Describe characteristics of REST-based APIs (CRUD, HTTP verbs, and data encoding)
• Recognize the capabilities of configuration management mechanisms Puppet, Chef, and Ansible
• Interpret JSON encoded data

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