Karvy Innotech Helpdesk Support Engineer Interview Questions and Answers

Q1. Tell me something about your self
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Q2. OSI layer, different in rj 45 and rj 11 connector,
Ans. 
RJ-45 and RJ-11 connectors differ in the number of pins and the OSI layer they operate on.
• RJ-45 has 8 pins while RJ-11 has 4 or 6 pins.

• RJ-45 operates on the Physical and Data Link layers of the OSI model.

• RJ-11 operates on the Physical layer of the OSI model.

• RJ-45 is used for Ethernet connections while RJ-11 is used for telephone connections.
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Q3. Different in workgroup and domain
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Workgroup is a peer-to-peer network while domain is a centralized network managed by a domain controller.
• Workgroup is suitable for small networks while domain is suitable for large networks.

• In workgroup, each computer has its own user accounts while in domain, user accounts are managed centrally.

• Domain provides better security and easier management of resources.

• Workgroup does not have a centralized authentication syste...read more
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Q4. How to make bootable pendrive
Ans. 
To make a bootable pendrive, use a tool like Rufus or Windows Media Creation Tool.
• Download and install a bootable USB tool like Rufus or Windows Media Creation Tool

• Insert the USB drive and select it in the tool

• Select the ISO file or operating system you want to make bootable

• Click on the 'Start' button and wait for the process to complete

• Once done, restart your computer and boot from the USB drive
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Q1. What is your experience
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Q2. Are u comfortable with flexi shifts
Ans. 
Yes, I am comfortable with flexi shifts.
• I am willing to work flexible hours to ensure smooth operations.

• I understand the importance of being available during peak hours.

• I have experience working in shifts and can adapt to changing schedules.

• I am committed to meeting the needs of the team and the organization.
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Q1. What is outlook and outlook 365
Ans. 
Outlook is a personal information manager and email client developed by Microsoft. Outlook 365 is a cloud-based subscription service of Outlook.
• Outlook is a software application used for managing personal information such as emails, calendars, contacts, and tasks.

• It allows users to send, receive, and organize emails from multiple email accounts.

• Outlook provides features like calendar management, task tracking, note-tak...read more
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Q2. What is client and server os
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Client OS is used by end-users to interact with the computer while Server OS is used to manage resources and provide services to clients.
• Client OS is designed for personal computers and laptops, such as Windows 10, macOS, and Ubuntu.

• Server OS is designed for servers, such as Windows Server, Linux Server, and Unix.

• Client OS provides a graphical user interface (GUI) for end-users to interact with the computer, while Serv...read more
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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. What is the IP and types version
Ans. 
IP stands for Internet Protocol. It is a unique numerical address assigned to each device connected to a computer network.
• IP is used to identify and locate devices on a network.

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

• IPv4 uses a 32-bit address and is the most widely used version.

• IPv6 uses a 128-bit address and provides a larger address space.

• Examples of IP addresses: 192.168.0.1 (IPv4) and 2001:0db8:85a3:0000:0000:
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Q1. About your Introduction, experience
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Q1. Depending on candidate
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Q2. Solve the solution
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Q3. Provide support
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Must have knowege of the work

Q1. Nothing only basic they are osking
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Q2. Must have basic knowledge of the work
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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
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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. Basic Education, full experience and current job responsibilities
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Q1. What is tcp in network? If your system in under Trojan attack then, what will be the first step you will do?? Difference between the ost and pst.
Ans. 
TCP stands for Transmission Control Protocol, a core protocol of the Internet protocol suite. It ensures reliable and ordered delivery of data.
• TCP is a connection-oriented protocol that provides reliable communication between devices on a network.

• If my system is under a Trojan attack, the first step I would take is to disconnect the infected system from the network to prevent further spread of the malware.

• OST (Offline ...read more
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Q1. Self introduction and formal hr questions
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Women's empowerment

Q1. Networking and badics
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