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Indian Army Interview Questions and Answers

Updated 5 Feb 2024

Q1. What is difference between tcp and udp

Ans.

TCP is a connection-oriented protocol while UDP is connectionless.

  • TCP provides reliable, ordered, and error-checked delivery of data while UDP does not guarantee any of these.

  • TCP is slower but more reliable while UDP is faster but less reliable.

  • TCP is used for applications that require high reliability and accuracy while UDP is used for applications that require speed and efficiency.

  • Examples of TCP-based applications include email, file transfer, and web browsing while exampl...read more

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Q2. What is DNS http DHCP

Ans.

DNS, HTTP, and DHCP are all protocols used in computer networking.

  • DNS (Domain Name System) is used to translate domain names into IP addresses.

  • HTTP (Hypertext Transfer Protocol) is used for communication between web servers and clients.

  • DHCP (Dynamic Host Configuration Protocol) is used to assign IP addresses to devices on a network.

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Ans.

DHCP is a protocol that assigns IP addresses to devices on a network automatically.

  • DHCP stands for Dynamic Host Configuration Protocol

  • DHCP server assigns IP addresses to devices on a network

  • DHCP lease time determines how long an IP address is assigned to a device

  • DHCP relay agent is used to forward DHCP messages between different networks

  • DHCP discovery, offer, request, and acknowledgement are the four steps in the DHCP process

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Q4. Which ports http ftp vpn works

Ans.

HTTP uses port 80, FTP uses port 21, VPN can use various ports depending on the protocol.

  • HTTP uses port 80 by default

  • FTP uses port 21 by default

  • VPN can use various ports depending on the protocol, such as PPTP using port 1723 and L2TP using port 1701

  • Some VPN protocols can also use port 443, which is the same port used for HTTPS traffic

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Ans.

Networking is the process of connecting devices together to share resources and communicate with each other.

  • Networking involves the use of hardware and software to create a communication system between devices.

  • It allows devices to share resources such as printers, files, and internet connections.

  • Networking can be done using wired or wireless connections.

  • Examples of networking technologies include Ethernet, Wi-Fi, and Bluetooth.

  • Networking is essential for businesses to communi...read more

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Ans.

OSI TCP is a protocol used for communication between devices on a network.

  • OSI TCP stands for Open Systems Interconnection Transmission Control Protocol.

  • It operates at the transport layer of the OSI model.

  • It provides reliable, ordered, and error-checked delivery of data between applications.

  • Examples of applications that use OSI TCP include web browsers, email clients, and file transfer programs.

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Ans.

ISI model is a framework for analyzing and improving customer support interactions.

  • ISI stands for Interaction, Satisfaction, and Issue resolution.

  • It helps identify areas for improvement in customer support processes.

  • The model focuses on the customer's experience throughout the interaction.

  • Example: Was the customer satisfied with the resolution of their issue?

  • Example: Was the interaction handled efficiently and professionally?

  • Example: Was the customer's issue fully resolved?

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