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CCNA Training in Chandigarh (3)

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CBitss technologies provides CCNA Training in Chandigarh – PowerPoint PPT presentation

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Title: CCNA Training in Chandigarh (3)


1
CCNA Training in Chandigarh
  • CBitss Technologies

2
VIRTUAL PRIVATE NETWORKS (VPN)
  • Virtual Private Network is a type of private
    network that uses public telecommunication, such
    as the Internet, instead of leased lines to
    communicate.
  • Became popular as more employees worked in remote
    locations.
  • Terminologies to understand how VPNs work.

3
Traditional Connectivity
4
Private Networks vs. Virtual Private Networks
  • Employees can access the network (Intranet) from
    remote locations.
  • Secured networks.
  • The Internet is used as the backbone for VPNs
  • Saves cost tremendously from reduction of
    equipment and maintenance costs.
  • Scalability

5
Brief Overview of How it Works
  • Two connections one is made to the Internet and
    the second is made to the VPN.
  • Datagrams contains data, destination and source
    information.
  • Firewalls VPNs allow authorized users to pass
    through the firewalls.
  • Protocols protocols create the VPN tunnels.

6
Remote Access Virtual Private Network
7
Four Critical Functions

Authentication validates that the data was sent
from the sender.
Access control limiting unauthorized users from
accessing the network.
Confidentiality preventing the data to be read
or copied as the data is being transported.
Data Integrity ensuring that the data has not
been altered
8
CBitss Technologies
  • SCO 23-24- 25, Level 3,
  • Near Passport office,
  • Sector 34 A, Chandigarh. Contact Us- 991461983

Website - http//cbitss.in/ccna-training-in-chand
igarh/
9
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