VPN Basics for Network Communication

What benefit does subnetting provide?

Efficiency

What is the purpose of the ARP protocol in a network?

To associate MAC addresses with IP addresses

How does an ARP request work in the ARP protocol?

Broadcasts a message to all devices asking for their MAC addresses

What does an ARP reply signify in the ARP protocol?

Confirmation of the requested IP address-MAC address match Signup and view all the answers

What does the DHCP protocol help devices with?

Obtaining IP addresses automatically Signup and view all the answers

In the context of subnetting, what does a cache store?

Identifiers of other devices on the network Signup and view all the answers

Which technology uses a private key and public certificate for authentication and data encryption?

PPP Signup and view all the answers

Which VPN technology is not routable by itself?

PPP Signup and view all the answers

Which technology is known for being weakly encrypted compared to other alternatives?

PPTP Signup and view all the answers

Which VPN technology uses the Point-to-Point Tunneling Protocol?

PPTP Signup and view all the answers

Which VPN technology encrypts data using the existing Internet Protocol framework?

IPSec Signup and view all the answers

Which VPN technology is difficult to set up but provides strong encryption when successful?

IPSec Signup and view all the answers

What is the main purpose of Server Message Block (SMB) protocol?

Sharing files and devices over a network Signup and view all the answers

Which protocol allows for logging into a system using a visual desktop interface?

RDP Signup and view all the answers

What is the main benefit of implementing port forwarding for web servers?

Public accessibility over the Internet Signup and view all the answers

In the context of the example provided, why would only two computers on Network #1 be able to access the webserver without port forwarding?

As a result of being within the same direct network Signup and view all the answers

What would be needed to make a web server accessible to the public over the Internet?

Implementing port forwarding Signup and view all the answers

Which protocol is best suited for sharing large files and devices like printers?

SMB Signup and view all the answers

Which HTTP method is used for deleting information/records from a web server?

DELETE Signup and view all the answers

In the context of HTTP status codes, what range indicates that the client's request was successful?

200-299 - Success Signup and view all the answers

What type of errors are indicated by the status codes in the 500-599 range?

Server Errors Signup and view all the answers

Which HTTP method is used to submit data to a web server and potentially create new records?

POST Signup and view all the answers

What do status codes in the range 300-399 indicate?

Redirection Signup and view all the answers

Which HTTP method is primarily used for getting information from a web server?

GET Signup and view all the answers

What does the HTTP status code 301 indicate?

The page has moved permanently to a new location. Signup and view all the answers

When would an HTTP status code 400 be used?

To inform that something was wrong or missing in the client's request. Signup and view all the answers

What does an HTTP status code 401 signify?

The client's request is unauthorized until proper authorization is provided. Signup and view all the answers

If you receive an HTTP status code 405, what does this imply?

The method request is not allowed by the resource. Signup and view all the answers

When would you typically see an HTTP status code 403?

When there is a forbidden access even after being logged in. Signup and view all the answers

What is the significance of receiving an HTTP status code 500?

The server encounters an internal error and doesn't know how to handle it. Signup and view all the answers