Digital Infrastructure T-Level

 

  DMZ     DMZ is an abbreviation for demilitarized zone. It is a physical or logical subnet that separates a local area network (LAN). From other untrusted networks – usually, the public internet. DMZs are also known as perimeter networks or screened subnetworks. Some of the most common of these services include web, email, DNS, file transfe r protocol and proxy servers.     Features of DMZ   One feature of DMZ in networking is that it adds another layer of security to a network. As mentioned before, it isolates the internal network from direct exposure to the internet. A DMZ mitigates the risk of external attacks reaching criti cal internal systems. Monitoring and logging are also a feature of DMZ. Traffic to and from the DMZ is closely monitored and logged, providing detailed records for security audits and incident reports. One final feature is that usually two firewalls are used; one between the internet and the DMZ and another between the DMZ and int...

  Different clouds     There are multiple different cloud providers. Here I am going to provide some examples and how they work. They all have their own benefits and weaknesses:       AWS Cloud – This is an amazon cloud service provider. AWS stands for amazon web services. AWS delivers over 200 cloud services across multiple industries and technology categories .   AWS currently takes up over 34% of the global cloud marketing share. AWS uses s 3 storage to store large amounts of data quickly and availability. AWS is a secure cloud; the AWS infrastructure puts strong safeguards in place to help protect your pri vacy. Access is tightly controlled, power systems are fully redundant, and all equipment is state of the art. AWS credentials prevent unauthorized access to your account and resources. AWS isn’t the cheapest cloud out there, although it isn’t unreasonable. The co st is £50 per month. This is for 2TB capacity .      Micros...

  Old     Transcript of recorded interview   Note: Tutor plays the role of David-David Foundation’s Newcastle office network manager.   Student: At the Newcastle office it seems that at the moment the only piece of equipment is one router. So, what kind of router is that? Is it like a consumer device or enterprise or…   Tutor: the router that we have at the moment, I don't have specific information as to the model or make of the router. What I do have is just general information about the network configuration and the devices present.   Let me see if there's any other information that's been shared with me from the boss. Yeah , about as specific as it goes. It does say home office router providing services to the network.   Student: And looking at the laptops and workstations, what kind of age are they and what kind of performance too?   Tutor: Okay. Is this in reference to both offices or just Newcastle?   Student: Mostly Newcastl...