This is a little reminder for myself. As I am not a theory type guy, I love taking notes. The purpose of this post is to mechanically write down these terms so it will stay in my memory(hopefully). Domains and Child Domains The first created domain of an AD forest […]
It’s a common thing to have more than one Domain Controller on a domain. Every usual DC will have full writing potential in the directory. However, some tasks are more sensitive than others and it would be risky to authorize the modification of certain data at the same time. This […]
Definition of a domain: Computer network User accounts, computers, resources and security defined by a domain controller Users and computers are authenticated on the domain controllers The resources authorizations are based on “users and groups” Short definition of a DNS server (Domain Name System) Service which the main function is […]
BIOS BIOS(Basic Input Output System) Firmware: The ROM(Read-Only Memory) content The bios identifies input/output devices The bios reads the first 512 first octets from each storage devices to identify the bootable disks Bios uses MBR Partitioning UEFI UEFI(Unified Extensible Firmware Interface) Bootable devices limited to 2.2 TB Hybride motherboard Secure […]
Provided an IP address and a Subnet Mask, we can use binary conversion to find the Network Address, total usable IP addresses and range and the the Broadcast Address. A Network Address looks like this or something similar : 192.168.1.0/24 The CIDR tells us how many binary digits are turned […]
IP stands for Internet Protocol. We can compare this as a phone number or a home address. It is numeric and serves as an identifier for a device or a network. Every device on a network has it’s own IP address. There are two parts in a IP address : […]
Why do we need a network ? Share resources Communicate: emails, chat, voIP Control and monitor for security Entertainment: video games, social media, etc. Physical elements of a network Hosts or “end devices”: Clients Servers(DNS, DHCP, NAT) Devices(printer, phones, etc.) External storage: NAS, SAN, etc. Interconnection equipment: Router, switch, etc. […]