Indovision Services Interview Questions and Answers

Q1. How many years you have experience?
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Q1. Basic network, switch and ip
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Q1. What is DWDM/SDH/CWDM, TYPE OF ALARM, Defferent Between los and lof
Ans. 
DWDM/SDH/CWDM are optical networking technologies. LOS and LOF are types of alarms indicating signal loss or failure.
• DWDM (Dense Wavelength Division Multiplexing) is a technology that allows multiple data streams to be transmitted over a single optical fiber by using different wavelengths of light.

• SDH (Synchronous Digital Hierarchy) is a standard for transmitting digital signals over optical fibers. It provides a way t...read more
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Q2. What is RDI ? And experience releted questions
Ans. Remote defect identify. This type problem is solved next site loss
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Q3. Introduction and my interest
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Q1. Technical Question. Regarding on PHP
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Check your Mysql Query Test and give the assignment

Group discussion on PHP what did you in your past question regarding on Google API's so on

Q1. Discussion on your salary
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Q1. What is osi layers
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OSI layers refer to the seven layers in the OSI model that define the functions of a network protocol stack.
• The OSI (Open Systems Interconnection) model is a conceptual framework used to understand how different networking protocols interact.

• There are seven layers in the OSI model, each with its own specific functions and responsibilities.

• The layers are: Physical, Data Link, Network, Transport, Session, Presentation, a...read more
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Q2. What is a mpls
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MPLS stands for Multiprotocol Label Switching, a technique used in telecommunications networks to direct data packets along predefined paths.
• MPLS is a protocol used to speed up and shape network traffic.

• It operates at layer 2.5 of the OSI model, between traditional layer 2 (Data Link Layer) and layer 3 (Network Layer).

• MPLS uses labels to make forwarding decisions, allowing for faster and more efficient routing.

• It is co...read more
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Q1. What is about ip
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IP stands for Internet Protocol, a set of rules governing the format of data sent over the internet.
• IP addresses are unique identifiers assigned to devices connected to a network.

• There are two versions of IP - IPv4 and IPv6.

• IP packets contain information such as source and destination addresses, as well as data payload.

• IP routing is the process of forwarding packets from one network to another.

• Subnetting allows for the...read more
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Q2. Different between IPV4 and IPV6
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IPv4 uses 32-bit addresses while IPv6 uses 128-bit addresses.
• IPv4 addresses are written in decimal format (e.g. 192.168.1.1) while IPv6 addresses are written in hexadecimal format (e.g. 2001:0db8:85a3:0000:0000:8a2e:0370:7334).

• IPv4 supports around 4.3 billion unique addresses, while IPv6 supports an astronomical number of unique addresses (2^128).

• IPv4 uses ARP (Address Resolution Protocol) for mapping IP addresses to M...read more
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Q1. NETWORK AND CCTV Video Analytics
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Q2. Video Analytics process in CCTV
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Video analytics process involves using algorithms to analyze CCTV footage and extract useful information.
• Video footage is analyzed using computer algorithms

• The algorithms can detect and track objects, people, and vehicles

• Video analytics can be used for security purposes, traffic management, and retail analytics

• Examples of video analytics include license plate recognition, facial recognition, and crowd counting

• The proce...read more
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