Karvy Innotech Network Engineer Interview Questions, Process, and Tips

It is all about basic common questions like Mathematics,Reasoning,English etc

Q1. Y is network is moreuseful to users?
Ans. 
A network is more useful to users because it allows for easy communication, access to resources, and sharing of information.
• Networks enable users to communicate with each other easily and quickly.

• Users can access resources such as files, printers, and applications that are shared on the network.

• Information can be easily shared and disseminated among users on the network.

• Networks provide a platform for collaboration and...read more
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Q2. Is there any breach in the network?
Ans. 
Yes, there is a breach in the network.
• Unusual network traffic patterns

• Unauthorized access to sensitive data

• Unexpected system behavior or performance issues

• Logs indicating suspicious activities

• Security alerts or notifications
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Q3. How to use VPNs and why?
Ans. 
VPNs are used to create secure and private connections over public networks.
• VPNs encrypt data to ensure confidentiality and protect against unauthorized access.

• VPNs allow remote access to private networks, enabling users to securely connect to their work network from anywhere.

• VPNs can bypass geographical restrictions and censorship, providing access to restricted content.

• VPNs can be used to enhance online privacy by ma...read more
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Q4. What does DNS mean?
Ans. 
DNS stands for Domain Name System. It is a decentralized system that translates domain names into IP addresses.
• DNS is responsible for resolving domain names to their corresponding IP addresses.

• It allows users to access websites and other resources using easy-to-remember domain names instead of numerical IP addresses.

• DNS operates through a hierarchical structure of servers, including authoritative DNS servers, recursive...read more
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Q5. Explain about OSI model?
Ans. 
The OSI model is a conceptual framework that standardizes the functions of a communication system into seven layers.
• The OSI model stands for Open Systems Interconnection model.

• It was developed by the International Organization for Standardization (ISO) in 1984.

• The model is divided into seven layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

• Each layer has specific functions and int...read more
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Q6. Ips and IDS mean?
Ans. 
IPS stands for Intrusion Prevention System and IDS stands for Intrusion Detection System.
• IPS is a security device that actively monitors network traffic to prevent malicious activities.

• IDS is a security device that passively monitors network traffic to detect potential security breaches.

• IPS can block or prevent malicious traffic from entering the network.

• IDS can only detect and alert about potential security threats.

• Bo...read more
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Q1. Y did u choose networking as carrer
Ans. 
I chose networking as a career because of my passion for technology and problem-solving.
• Passion for technology and problem-solving

• Interest in understanding how computer networks function

• Opportunity to work with cutting-edge technologies

• Ability to troubleshoot and resolve network issues

• Desire to contribute to the development of secure and efficient networks
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Q2. What is ur expected CTC
Ans. 
I would expect a competitive salary based on my experience, skills, and the market standards.
• I would like to discuss the salary range for this position based on the responsibilities and expectations.

• Considering my qualifications and the industry standards, I anticipate a fair compensation package.

• I am open to negotiation and would appreciate a salary that reflects my expertise and contributions.

• I believe a mutually ben...read more
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Q3. Thankyou for joining tgis company
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Q1. What is the SMTP?
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Q2. What is the RSMTP?
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Q3. Tell about TCP Rest
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Q1. Packet flow in PALO ALTO FIREWALL?
Ans. 
Packet flow in Palo Alto Firewall involves multiple stages including ingress, policy lookup, security policy enforcement, NAT, and egress.
• Packet enters the firewall through an ingress interface

• Firewall performs policy lookup to determine if the packet should be allowed or denied

• If allowed, the packet goes through security policy enforcement which includes threat prevention, URL filtering, etc.

• NAT (Network Address Trans...read more
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Q2. Ospf states and explain?
Ans. 
OSPF (Open Shortest Path First) is a routing protocol used to determine the best path for data packets in a network.
• OSPF is a link-state routing protocol

• It uses Dijkstra's algorithm to calculate the shortest path

• OSPF routers exchange link-state advertisements (LSAs)

• It supports VLSM (Variable Length Subnet Masking)

• OSPF areas are used to divide large networks into smaller segments
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Q3. Election of DR AND BDR IN OSPF?
Ans. 
DR and BDR in OSPF are elected based on priority values, with the highest priority becoming the DR and the second highest becoming the BDR.
• DR and BDR are elected within the OSPF network to ensure efficient communication and redundancy.

• The election process is based on priority values assigned to each router, with the highest priority becoming the DR and the second highest becoming the BDR.

• If two routers have the same pr...read more
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Q1. Explain Firewall
Ans. 
Firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.
• Firewall acts as a barrier between a trusted internal network and untrusted external network.

• It can be implemented in hardware, software, or a combination of both.

• Firewalls can filter traffic based on IP addresses, ports, protocols, and application types.

• They can prevent unauthori...read more
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Q2. Explain Switching and routing
Ans. 
Switching involves forwarding data packets within a network, while routing involves determining the best path for data packets to travel between networks.
• Switching operates at Layer 2 of the OSI model, using MAC addresses to forward data within a local network.

• Routing operates at Layer 3 of the OSI model, using IP addresses to determine the best path for data to travel between networks.

• Switches use MAC address tables t...read more
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Q1. What is VTP (VLAN Trunking Protocol)?
Ans. 
VTP is a Cisco proprietary protocol used to manage VLAN configurations across a network.
• VTP allows for centralized management of VLANs by automatically propagating VLAN information to all switches in the network.

• It reduces the need to manually configure VLANs on each switch, making network administration more efficient.

• VTP operates in client, server, and transparent modes, with the server being the switch that can crea...read more
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Q2. What actions would you take if the switch enters ROMMON mode after a reboot?
Ans. 
To troubleshoot a switch in ROMMON mode after a reboot, follow these steps.
• Check the configuration register value to ensure it is correct

• Verify the boot image and configuration file are present and accessible

• Attempt to boot the switch manually using the boot command

• If necessary, reload the switch with a valid IOS image from a TFTP server
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