Category: Network Layers

Application Layer

The Application Layer is the topmost layer of the OSI (Open Systems Interconnection) and TCP/IP networking models. It is responsible

The Domain Name System (DNS) plays a crucial role in network functionality by providing a way to translate human-readable domain

MIME (Multipurpose Internet Mail Extensions) is an Internet standard that extends the format of email messages to support text in

1. What is the maximum size of a DNS response packet (in bytes)? Answer: a) 512 bytesExplanation: In traditional DNS,

What does DNS stand for? Answer: b) Domain Name System What is the primary function of DNS? Answer: b) Resolving

Problem: A user types in www.example.com in their browser. The DNS resolver takes the following steps: Given: Questions: Solution: Summary:

The Domain Name System (DNS) is a fundamental system that helps the internet work by translating human-readable domain names into

. Purpose: 2. Email Storage: 3. Synchronization: 4. Use Case: 5. Internet Access: 6. Email Folder Support: 7. Security: 8.

IMAP (Internet Message Access Protocol) is a standard email protocol that email clients use to retrieve and manage email messages

POP3 (Post Office Protocol version 3) is a standard protocol used by email clients to retrieve emails from a remote