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  1. 1. Network Administration MAINTAIN AND ORGANIZE YOUR NETWORK
  2. 2. Why is it important to learn Network Administration
  3. 3. Network Administrator An individual who is responsible for the maintenance of computer hardware and software systems that make up a computer network including the maintenance and monitoring of active data network or converged infrastructure and related network equipment.
  4. 4. So, what is their JOB
  5. 5. Admin does,  Network address assignment  Management and implementation of routing protocols  User authentication  Management of VPN, Gateways or Mirror Servers.  In smaller organization,  maintenance of servers, desktop computers, printers, routers, switches, firewalls, phones, IP Phones
  6. 6. Some Service Provider are who bundles all Network Administration Utilities
  7. 7. Service Providers are
  8. 8. What is DHCP
  9. 9. So, DHCP is The Dynamic Host Configuration Protocol (DHCP) is a standardized networking protocol used on Internet Protocol (IP) networks for dynamically distributing network configuration parameters, such as IP addresses and services.
  10. 10. Ways to Implement  Dynamic Allocation  Reserve a range of IP for DHCP and each client computer on LAN request IP from DHCP server.  Automatic Allocation  DHCP automatically assigns the IP address to a requesting client from the range defined by administrator.  Static Allocation  DHCP allocates IP based on predefined mapping based on their MAC address.
  11. 11. Active Directory Active Directory (AD) is a directory service that Microsoft developed for Windows domain networks and is included in most Windows Server operating systems as a set of processes and services. An AD domain controller authenticates and authorizes all users and computers in a Windows domain type network—assigning and enforcing security policies for all computers and installing or updating software.
  12. 12. Image: technet.microsft.com
  13. 13. Anatomy of ADC Objects Every single entity in a domain is considered as object. It can be printer, file server, projector, or a external computer. Say, all those unit which are in network. Forest As a broad concept, if you treat whole organization as a single unit (say, contoso.com) is a forest. In snapshot, Largest Triangle points to Forest. Domain Every single sub-division in forest is considered as domain. Say, a corporate house has three branches east.contoso.com, west.contoso.com and main.contuse.com. Then, all the three are domain which work independently under a single forest.
  14. 14. So, now we will explore RODC
  15. 15. In Brief, A read-only domain controller (RODC) is a server that hosts an Active Directory database's read-only partitions and responds to security authentication requests.
  16. 16. RODC is,  An RODC is designed primarily to be deployed in a branch office environment.  Branch offices typically have relatively few users, poor physical security, relatively poor network bandwidth to a hub site, and little local IT knowledge.  Needs at least one writable domain controller running windows server 2008 or higher.
  17. 17. Tools which are essential for Network Administration
  18. 18. Remote Desktop To connect to a remote computer, that computer must be turned on, it must have a network connection, Remote Desktop must be enabled, you must have network access to the remote computer (this could be through the Internet), and you must have permission to connect.
  19. 19. You must follow this, Step1. My Computer’s Properties Step2. Remote Settings > Allow Step2. Open Remote Desktop Connection and Put IP
  20. 20. Simply, we can share our PRINTER
  21. 21. Easy Steps, to follow  Control Panel > Device & Printers  Select Printer and open it’s Properties  In Sharing Tab, Check the ‘Share This Printer’.
  22. 22. Unsung Hero of Windows OS GROUP POLICY
  23. 23. What is Group Policy Group Policy is a feature of the Microsoft Windows NT family of operating systems that control the working environment of user accounts and computer accounts.
  24. 24. Some facts,  Group Policies are a really powerful way to setup a corporate network with each of the computers locked down so users can’t mess them up with unwanted changes, and stop them from running unapproved software, among many other uses.  In the home environment, however, you probably won’t want to set password length restrictions or force yourself to change your password. And you probably won’t need to lock down your machines to only run specific approved executable.  Group Policy is categorized in, Common Configuration and User Configuration
  25. 25. You can run script on startup
  26. 26. Disable System Folders
  27. 27. Restrict Folder Access
  28. 28. Thank YOU Abhishek Singh | Abhishek Kr Ravi | Aman Kumar | Devasish Raj | Chandan Kumar | Suraj Kumar