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17 - Port forwarding

 1. Port forwarding basically allows your computer to become accessible over the internet even though you are behind a ______________
Video: Port Forwarding

  router

  binary sequence

  firebit

  ISP

 2. NAT sorts out the majority of problems when it comes to granting each computer its own unique IP address on a network.

  TRUE

  FALSE

 3. Two important items in local port forwarding are the ________________, and two port numbers.

  destination server

  client IP address

  ISP

  switching hub

 4. Ports allow computers to exchange data directly between each other without the need for a complex translation step that would increase the latency of the connection.

  FALSE

  TRUE

 5. Port forwarding is similar to Network Address Translation but _______________________________

  it operates at the PC (CPU) level

  it operates inside the DNS

  it operates on the ISP level

  it operates on the port level.

 6. In online games, a user has the ability to create an online server for other people to connect to. It is safer to enable _________.

  None of the above

  router installation

  port forwarding

  ISP switching

 7. In the case of online games and setting up your own gaming server - users would not be able to connect to the network and access your files/server unless you explicitly configured your router to accept incoming requests.
portforwardingminecraft.jpg

  False

  True

 8. Most online gaming Applications will require you to configure port forwarding on your ____________.

  personal device

  home router

  ISP

  mobile phone (via WI-FI)

 9. Before you setup port forwarding you will need to configure a static address for the Internal device.

  FALSE

  TRUE

 10. To connect to the forwarded port from the Internet you will need to know the _________________________ and the Port number that has been forwarded.

  external IP address of the Router

  internal IP address of the gaming device

  internal IP and domain name

  external domain name and socket no.

 11. For port forwarding, using an IP address instead of a domain name is ________________.

  slow as it requires processing the IP address numbers

  not very convenient but this is the agreed standard

  very convenient as an IP address is easier to remember than a web address

  less secure

 12. When using port forwarding, it is a good idea to consider using ____________________

  no router at all

  at least two different internal IP addrresses with a backup ISP

  dynamic DNS

  two routers

 13. How do you know what port you need to forward?

  You would need to know which port the service was using

  You would always use the internet port 8080

  You could pick a port at random

  You would use the FTP port - 21.

 14. Port forwarding can be divided into the following specific types: local, remote, and dynamic port forwarding.

  TRUE

  FALSE

 15. By using local port forwarding, ___________ that block certain pages can be bypassed.

  domain name servers

  ISPs

  firewalls

  routing sequences