DNS Primary Use Explained
The Domain Name System (DNS) serves a critical role in internet navigation. Its main function is to translate human-readable domain names, such as $www.example.com$, into the numerical IP addresses (like $192.0.2.1$) that computers use to identify each other on networks.
This process is essential because users find it easier to remember names rather than strings of numbers. When you type a domain name into your browser, DNS queries are sent out to servers that resolve this name into the corresponding IP address, enabling your computer to connect to the correct web server.
Other Options Analysis
- Encryption data: This relates to securing data during transmission using protocols like TLS/SSL, not the function of DNS.
- Assigning MAC address: The Address Resolution Protocol (ARP) is responsible for mapping IP addresses to MAC addresses within a local network.
- Providing TCP acknowledgements: This is a function of the Transmission Control Protocol (TCP) itself, ensuring reliable data delivery, not related to DNS name resolution.
Therefore, the primary use of DNS is mapping domain names to IP addresses.
Similar Questions
- Which of the following is a sequential logic circuit?
- Which layer in IOT architecture is responsible for data acquisition using sensors?
- Find the inverse of the given matrix:
$$A = \begin{bmatrix} 1 & 0 & 1 \\ -1 & 1 & 1 \\ 0 & 1 & 0 \end{bmatrix}$$ The differential equation $\frac{d^2y}{dx^2} + \frac{dy}{dx} + \sin y = 0$$ is:
- For IPv6 addressing:
A. It has 128-bit address space
B. It supports multicasting
C. It provides built-in IPsec support
D. It has a 32-bit address structure
Choose the correct answer from the options given below: Match List - I with List - II.
List - I (Laws) List - II (Applications) A. Ampere's law I. Force on a charge B. Biot's law II. Force due to a current carrying conductor C. Coulomb's law III. Electric flux density at a point D. Gauss's law IV. Magnetic flux density at a point The pointing vector $P = E \times H$ represents:
- Arrange these digital logic building blocks in order of increasing complexity:
A. Multiplexers
B. Sequential logic circuits e.g.: counters
C. Combinational logic circuits e.g.: adder
D. ALU (Arithmetic Logic Unit)
Choose the correct answer from the options given below: - Signal flow graph is used to find:
- Consider the following frequency domain specifications required to design a control system:
A. Bandwidth
B. Gain margin
C. Phase margin
D. Maximum overshoot
Choose the correct answer from the options given below:
Important Questions from Mixed Topic (CUET PG)
- Who was the founder of Bolshevik Communist party?
- What is the key guide to statecraft in the realist tradition?
- Chronologically arrange the events in the Cold War period.
A. Berlin Wall is constructed
B. Communist China joins the UN
C. Soviet invasion of Czechoslovakia
D. Berlin Blockade
Choose the correct answer from the options given below: Morgenthau's principles of political realism are:
A. Politics is rooted in permanent and unchanging human nature which is basically self centred, self-regarding and self-interested
B. Politics is an autonomous sphere of action and cannot therefore be reduced to morals
C. International Politics is an arena of conflicting self-interests
D. The ethics of international relations is situational ethics which is very different from private morality
Choose the correct answer from the options given below:Who among the following political thinkers consider the anarchical self help system to be a compelling factor for States to maximise their relative power positions?
