DNS and DHCP (cyber security)

  Quality Thought is recognized as the best software testing institute in Hyderabad, offering top-notch training in manual testing, automation testing, and full stack testing tools. With a focus on industry-relevant curriculum and hands-on practice, Quality Thought prepares students for real-world software testing challenges. The institute provides expert-led training on popular tools and frameworks like Selenium, TestNG, Jenkins, Git, Postman, JIRA, Maven, and Cucumber, covering both frontend and backend testing essentials.


Quality Thought’s Full Stack Testing course is specially designed to make students proficient in both manual testing fundamentals and automated testing tools, along with exposure to API testing, performance testing, and DevOps integration. The institute stands out for its experienced trainers, live projects, placement support, and flexible learning options including classroom and online modes.


Whether you are a fresher aiming for a job or a working professional looking to upskill, Quality Thought offers customized learning paths. Its strong industry connections ensure regular placement drives and job interview 

DNS and DHCP

DNS (Domain Name System)

DNS is like the phonebook of the internet. It translates domain names (like www.google.com) into IP addresses (like 142.250.182.68), which computers use to communicate with each other.

Instead of remembering numbers, users can type names. When a URL is entered, the DNS server finds the correct IP and connects the user to the website.


✅ Key Functions of DNS:

Resolves domain names to IP addresses


Helps load balancing and server management


Makes internet browsing user-friendly


🔁 DHCP (Dynamic Host Configuration Protocol)

DHCP is a network protocol that automatically assigns an IP address and other network settings (like subnet mask, gateway, DNS) to devices on a network.

Without DHCP, IP addresses must be set manually.


✅ Key Functions of DHCP:

Automatically assigns IPs to devices


Avoids IP conflicts


Reduces manual configuration errors


Helps manage large networks easily


🆚 DNS vs DHCP:

DNS translates domain names to IP addresses.


DHCP assigns IP addresses to devices.

Both work together to ensure smooth internet access — DHCP gives the device an IP, and DNS connects it to websites.

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