Nokia IMS Engineer Interview Questions and Answers

Q1. About self introduction
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Q2. About previous company and experience
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Q1. Different n/w layers
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Different network layers include physical, data link, network, transport, session, presentation, and application layers.
• Physical layer: responsible for transmitting raw bits over a communication channel

• Data link layer: responsible for error-free transfer of data between nodes on a network

• Network layer: responsible for routing data packets between networks

• Transport layer: responsible for reliable data transfer between a...read more
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Q1. Firewall works on what layers
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Firewall works on multiple layers of OSI model
• Firewall operates on layers 3 (network layer) and 4 (transport layer) of the OSI model

• It can filter traffic based on IP addresses, ports, protocols, and other criteria

• Firewalls can also perform deep packet inspection to detect and block malicious traffic

• Examples of firewall software include Cisco ASA, pfSense, and Windows Firewall
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Q1. What is device manager
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Device Manager is a Windows utility that displays and manages all hardware devices installed on a computer.
• It allows users to view and configure hardware devices and their drivers

• Users can enable/disable devices, update drivers, and troubleshoot issues

• It is accessed through the Control Panel or by right-clicking on the Computer icon and selecting Properties

• Examples of devices listed in Device Manager include network ad
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Python related questions

About the role and expertise in other tools

Q1. Salary discussion
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Q1. What is the call flow for VOLTE-IMS
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