Esko Casting And Electronics Senior NPD Engineer Interview Questions and Answers

Q1. Basic questions about Vlan and Switch
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Q2. Redundancy protocols
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Q1. Python basics - about data structure
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Q2. BGP - some bascis
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Q1. Network interview+coding interview.
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Q2. Some normal protocol like BGP, OSPF.
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Q3. What will happen when the browser first visit the facebook.com ( different protocols in diff layers)
Ans. 
When the browser first visits facebook.com, it goes through multiple protocols in different layers.
• The browser first resolves the domain name using DNS (Domain Name System).

• Then, it establishes a TCP (Transmission Control Protocol) connection with the server.

• Next, it performs an SSL/TLS handshake to establish a secure connection.

• After that, the browser sends an HTTP (Hypertext Transfer Protocol) request to the server.

• T...read more
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Python code on strings

Q1. What do you know about VDOM
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Q1. What is VPN? How it works?
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VPN stands for Virtual Private Network. It allows users to securely access a private network over a public network.
• VPN creates a secure and encrypted connection between the user's device and the private network

• It masks the user's IP address and encrypts data to ensure privacy and security

• Common types of VPN include SSL VPN, IPsec VPN, and PPTP VPN

• VPN can be used to access company networks remotely, bypass geo-restricti
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Q2. What is BGP and OSPF?
Ans. 
BGP (Border Gateway Protocol) is an exterior gateway protocol used to route traffic between different autonomous systems. OSPF (Open Shortest Path First) is an interior gateway protocol used to route traffic within a single autonomous system.
• BGP is used to connect different autonomous systems and make routing decisions based on network policies.

• OSPF is used within a single autonomous system to determine the best path f...read more
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Normal mathematics and some technical

Q1. Mostly questions from switching and RaN tolls ,LSMR
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Q2. Function of Router. Process of switch configuration
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Router functions to route data packets between different networks. Switch configuration involves setting up ports, VLANs, and security settings.
• Router functions include routing data packets between networks, determining the best path for data transmission, and providing network security.

• Switch configuration involves setting up ports, VLANs (Virtual Local Area Networks), and security settings to control traffic flow wit...read more
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