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Coffeebeans Consulting Interview Questions and Answers
Q1. Which layer is used for tranfer the data?
The data transfer happens at the Transport layer.
The Transport layer is responsible for end-to-end communication between devices.
It ensures reliable data transfer and error correction.
Examples of protocols at this layer include TCP and UDP.
Q2. Tell me about something Fiber ?
Fiber is a high-speed transmission medium that uses thin strands of glass or plastic to transmit data.
Fiber optic cables are used in telecommunications to transmit data over long distances at high speeds.
Fiber offers advantages such as high bandwidth, low latency, and immunity to electromagnetic interference.
Fiber optic technology is used in various applications including internet connectivity, telephony, and cable television.
Examples of fiber optic providers include Verizon ...read more
Q3. What is IP ?
IP stands for Internet Protocol, a set of rules governing the format of data sent over the internet.
IP is responsible for routing data packets between devices on the internet.
It assigns a unique address to each device connected to the internet.
There are two versions of IP - IPv4 and IPv6.
IPv4 uses 32-bit addresses while IPv6 uses 128-bit addresses.
IP is a layer 3 protocol in the OSI model.
Examples of IP-based protocols include TCP, UDP, and ICMP.
Q4. What are OSI Models?
OSI Models are a conceptual framework that standardizes communication protocols between different systems.
OSI stands for Open Systems Interconnection
It has 7 layers, each with a specific function
Layers are numbered from 1 to 7, with 1 being the lowest and 7 being the highest
Each layer communicates with the layer above and below it
Examples of layers include physical layer, data link layer, network layer, transport layer, session layer, presentation layer, and application layer
Q5. What is HTML 5
HTML 5 is the latest version of the Hypertext Markup Language used for creating and structuring web pages.
HTML 5 introduced new elements like <header>, <footer>, <nav>, <article>, <section>, <aside>, <figure>, <figcaption> for better structuring of web content.
It also brought new form input types like email, url, date, range, color, etc.
HTML 5 supports multimedia elements like <audio> and <video> for embedding audio and video content directly into web pages.
Q6. This is a mark-up language
HTML is a mark-up language used for creating web pages.
HTML stands for HyperText Markup Language
It uses tags to structure content on a web page
Common tags include <html>, <head>, <title>, <body>, <p>, <div>, <a>, <img>
Q7. What is loop in writingcode
A loop in coding is a programming structure that repeats a sequence of instructions until a specific condition is met.
Loops are used to iterate over a block of code multiple times.
Common types of loops include for loops, while loops, and do-while loops.
Example: for(int i=0; i<5; i++) { //code to be repeated }
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