Virtual Networks

Question 1

What’s different between a virtual network and a LAN?

Answer 1

A ‘virtual network’ is created through the use of software rather than hardware

Question 2

How does a virtual network use software?

Answer 2

Make use of software to divide devices on a LAN into smaller groups

Question 3

Are virtual networks flexible?

Answer 3

Yes, it is easy to add or remove computers from the VLAN using software. There is no need to add extra cables

Question 4

What is an advantage linked with installing software?

Answer 4

It is much easier to install software needed by specific groups of people

Question 5

What is an advantage linked with security?

Answer 5

Security is improved. If one VLAN is compromised by a virus, because the others are partitioned they will not be affected

Question 6

What does VPN stand for?

Answer 6

Virtual Private Network

Question 7

How do VPNs work?

Answer 7

They use virtual networks to connect devices to a LAN through a WAN

Question 8

How can companies use software to connect VPNs over a large geographical are?

Answer 8

Using software companies can enable employees to share VPNs over a large geographical area

Question 9

What is VPN tunnelling?

Answer 9

When all the data packets sent are scrambled (encrypted) so only that device and the company network can read them