CCNA 1
1|Page
,Contents
Chapter 1 ................................................................................................................................................. 3
Chapter 2 ................................................................................................................................................. 6
Chapter 3 ................................................................................................................................................. 8
Chapter 4 ............................................................................................................................................... 11
Chapter 5 ............................................................................................................................................... 14
Chapter 6 ............................................................................................................................................... 17
Chapter 7 ............................................................................................................................................... 20
Chapter 8 ............................................................................................................................................... 22
Chapter 9 ............................................................................................................................................... 25
Chapter 10 ............................................................................................................................................. 26
Chapter 11 ............................................................................................................................................. 28
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, Chapter 1
Internet of everything (IoE): bringing together people, process, data
Human network: impact of the internet and networks on people and businesses
Networking today: national borders, geographic distances and physical limitations
become less relevant
Networks have changed:
o Education: virtual classrooms, video on demand, mobile learning...
o Communication
Instant messaging
Social media
Collaboration tools
Blogs
Wiki
Podcastings
Peer to peer file sharing
o Work: emplyee training, financial information, customer information
o Play: networks are improving our experience
Communication over network is cheap
Internet: network of networks
Host: send and receive data (determend by software)
Client: software that enables to request and display information from the server
Client software: internet explorer
Client or server can act as several services or multiple types of client software
For every service there must be an client software
Peer to peer network: computer functions as the server and as clients on the
network
o Easy to set up, less complexity, lower cost, simpel tasks
o No centralized administration, not secure, not scalable, slow performance
Network infastructure: Stanley reliable channel for communication
o Devices: hardware
o Media: connector between devices (can be wireless)
o Services: software on devices
End devices: interaction with user
o Computers
o Network printers
o VoIP phones
o Telepresence endpoint
o Security camera's
o Mobile devices
Each host is identified by an adress
Host devices can be the Source or the destination of a message
Intermediary devices interconnect and devices, they do not generate data they only
direct the path
o Network acces: switches, wireless accespoints...
o Internetworking: routers
o Security: firewalls
3|Page
1|Page
,Contents
Chapter 1 ................................................................................................................................................. 3
Chapter 2 ................................................................................................................................................. 6
Chapter 3 ................................................................................................................................................. 8
Chapter 4 ............................................................................................................................................... 11
Chapter 5 ............................................................................................................................................... 14
Chapter 6 ............................................................................................................................................... 17
Chapter 7 ............................................................................................................................................... 20
Chapter 8 ............................................................................................................................................... 22
Chapter 9 ............................................................................................................................................... 25
Chapter 10 ............................................................................................................................................. 26
Chapter 11 ............................................................................................................................................. 28
2|Page
, Chapter 1
Internet of everything (IoE): bringing together people, process, data
Human network: impact of the internet and networks on people and businesses
Networking today: national borders, geographic distances and physical limitations
become less relevant
Networks have changed:
o Education: virtual classrooms, video on demand, mobile learning...
o Communication
Instant messaging
Social media
Collaboration tools
Blogs
Wiki
Podcastings
Peer to peer file sharing
o Work: emplyee training, financial information, customer information
o Play: networks are improving our experience
Communication over network is cheap
Internet: network of networks
Host: send and receive data (determend by software)
Client: software that enables to request and display information from the server
Client software: internet explorer
Client or server can act as several services or multiple types of client software
For every service there must be an client software
Peer to peer network: computer functions as the server and as clients on the
network
o Easy to set up, less complexity, lower cost, simpel tasks
o No centralized administration, not secure, not scalable, slow performance
Network infastructure: Stanley reliable channel for communication
o Devices: hardware
o Media: connector between devices (can be wireless)
o Services: software on devices
End devices: interaction with user
o Computers
o Network printers
o VoIP phones
o Telepresence endpoint
o Security camera's
o Mobile devices
Each host is identified by an adress
Host devices can be the Source or the destination of a message
Intermediary devices interconnect and devices, they do not generate data they only
direct the path
o Network acces: switches, wireless accespoints...
o Internetworking: routers
o Security: firewalls
3|Page
