Dell EMC Senior Technical Support Consultant Interview Questions and Answers

Q1. What is a project that you have worked on before?
Ans. 
Developed a web-based inventory management system for a retail company
• Utilized Java for backend development

• Implemented responsive design using HTML, CSS, and JavaScript

• Integrated barcode scanning functionality for efficient inventory tracking
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Q2. What was your role within the team?
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I was responsible for providing technical support to end users and troubleshooting application issues within the team.
• Providing technical support to end users

• Troubleshooting application issues

• Collaborating with team members to resolve issues

• Documenting solutions and best practices
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Q3. What SQL-based queries were asked during your interview? like self join , average
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Q1. Why do you want to join cybage
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Q2. Tell me about yourself
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Q3. What is inbound and out bound call
Ans. 
Inbound calls are received by the company from customers, while outbound calls are made by the company to customers.
• Inbound calls are initiated by customers seeking assistance or information.

• Outbound calls are initiated by the company for sales, marketing, or follow-up purposes.

• Inbound calls are typically toll-free for customers, while outbound calls may incur charges.

• Examples: Inbound call - Customer calling a technic...read more
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Q4. Where do you see yourself in 5 year
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Q5. What is the reason you left your last company
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Q1. Python code snippets for different codes
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Q2. SQL Queries on Joins
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Talk about one of three topics for 2 mins

Q1. What is DHCP and why do we use it what is dns How does DHCP work in a network What is the role of a router What is a gateway How to boot into safemode
Ans. 
DHCP is a network protocol that automatically assigns IP addresses to devices, DNS translates domain names to IP addresses, routers connect networks, gateways connect networks with different protocols, booting into safe mode allows troubleshooting.
• DHCP automatically assigns IP addresses to devices on a network

• DNS translates domain names to IP addresses for easier access

• Routers connect different networks together to ena...read more
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Q2. What is IP address What are the classes of IP What is workgroup and domain What is BSOD What is 32 bit and 64 bit OS SSD vs HDD explain windows boot process System keeps restarting. Steps to resolve how to...read more
Ans. 
IP address is a unique identifier assigned to each device connected to a network. Classes of IP include A, B, C, D, and E. Workgroup and domain are network organization structures. BSOD is Blue Screen of Death.
• IP address is a unique numerical label assigned to each device on a network

• Classes of IP include A, B, C, D, and E with different ranges of addresses

• Workgroup is a peer-to-peer network where each computer has its...read more
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Q1. About Switching
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Q2. About Routers switching, LAN, SD-WAN
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Q1. What is STP full form ?
Ans. 
STP stands for Spanning Tree Protocol.
• STP is a network protocol used to prevent loops in Ethernet networks.

• It works by creating a loop-free logical topology by blocking redundant paths.

• STP elects a root bridge and calculates the shortest path to it for each network segment.

• It uses Bridge Protocol Data Units (BPDU) to exchange information between switches.

• STP is defined by the IEEE 802.1D standard.
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Q2. What is the main function of the Root bridge switch ?
Ans. 
The main function of the Root bridge switch is to control the flow of data traffic in a spanning tree network.
• The Root bridge switch is elected as the central point of the spanning tree network.

• It determines the shortest path for data traffic to reach all other switches in the network.

• The Root bridge switch sends Bridge Protocol Data Units (BPDUs) to other switches to exchange information and maintain the spanning tree...read more
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Q3. In which layer the Ip address is working on if it working on L3 so how can we assisgn an Ip address on Layer 2 Switch descibe in the details ?
Ans. 
The IP address works at Layer 3 of the OSI model. Assigning an IP address on a Layer 2 switch is not possible.
• IP addresses are used for network layer communication (Layer 3)

• Layer 2 switches operate at the data link layer (Layer 2)

• Layer 2 switches use MAC addresses for communication within a local network

• IP addresses are assigned to devices connected to Layer 2 switches, not to the switch itself
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Q4. What is the port number of dns and how it's work?
Ans. 
DNS uses port number 53. It works by translating domain names into IP addresses and vice versa.
• DNS stands for Domain Name System.

• Port number 53 is used for both TCP and UDP protocols.

• DNS works by resolving domain names to their corresponding IP addresses.

• It uses a hierarchical distributed database system.

• DNS queries and responses are sent over port 53.

• DNS operates through a client-server model.

• Example: When you type a ...read more
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Q5. What is the dhcp dora process?
Ans. 
DHCP DORA process is the sequence of steps followed by a client to obtain an IP address from a DHCP server.
• DORA stands for Discover, Offer, Request, and Acknowledge.

• Discover: Client broadcasts a DHCP Discover message to find available DHCP servers.

• Offer: DHCP servers respond with DHCP Offer messages containing IP address lease information.

• Request: Client selects one DHCP Offer and sends a DHCP Request message to reques...read more
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Q6. What is the 2G and 3G and 5G service ?
Ans. 
2G, 3G, and 5G are different generations of mobile network technology.
• 2G refers to second-generation mobile network technology, which primarily provided voice and basic data services.

• 3G refers to third-generation mobile network technology, which introduced faster data speeds and enabled mobile internet access.

• 5G refers to fifth-generation mobile network technology, which offers significantly faster data speeds, lower l...read more
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Q7. Did you take a any participation in deployment activtiy if you have so described me about the roles and responsibilities for the deployment team ?
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Q8. What is the HTTPS port number ?
Ans. 
The HTTPS port number is 443.
• HTTPS uses port 443 for secure communication.

• It is the default port for secure HTTP connections.

• HTTPS encrypts data using SSL/TLS protocols.

• Examples: https://www.example.com:443 or https://192.168.0.1:443
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Q9. What is the HTTP port number ?
Ans. 
The HTTP port number is 80.
• The default port number for HTTP is 80.

• It is used for communication between web servers and clients.

• Other common port numbers for HTTP include 8080 and 8888.
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Q10. What is the ssh port number and why we used the ssh service ?
Ans. 
SSH port number is 22. SSH service is used for secure remote access and secure file transfer.
• SSH port number is 22 by default

• SSH stands for Secure Shell

• SSH service provides secure remote access to servers

• It encrypts the data transmitted over the network

• SSH service is used for secure file transfer (SFTP) and remote command execution

• It provides authentication and encryption for secure communication
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Q11. What is the OSI model and describe about the each and every layer of that layer function and functionality?
Ans. 
The OSI model is a conceptual framework that standardizes the functions of a communication system into seven layers.
• Layer 1 (Physical): Deals with the physical transmission of data over the network.

• Layer 2 (Data Link): Provides error-free transmission of data frames between nodes on the same network.

• Layer 3 (Network): Handles routing and logical addressing to enable data transfer between different networks.

• Layer 4 (Tra...read more
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Q12. What is the tcp/ip model and why we used this model in current scenario?
Ans. 
The TCP/IP model is a network protocol suite that defines how data is transmitted over the internet.
• The TCP/IP model consists of four layers: Network Interface, Internet, Transport, and Application.

• It is used in the current scenario because it provides a standardized framework for communication between devices on a network.

• The TCP/IP model allows for reliable and efficient data transmission, ensuring that data packets ...read more
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Q13. What is the dtp porotocol ?
Ans. 
DTP (Dynamic Trunking Protocol) is a Cisco proprietary protocol used to negotiate trunking between switches.
• DTP is used to automatically negotiate trunking on a link between Cisco switches.

• It allows switches to dynamically form trunk links without manual configuration.

• DTP operates in three modes: dynamic auto, dynamic desirable, and trunk.

• Dynamic auto mode waits for the other end to initiate trunking.

• Dynamic desirable ...read more
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Q14. Which series you have worked on router device and the vendors?
Ans. 
I have worked on various router devices and vendors.
• Cisco routers (e.g. Cisco 2900 series)

• Juniper routers (e.g. Juniper MX series)

• Huawei routers (e.g. Huawei NE series)

• MikroTik routers (e.g. MikroTik RB series)
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Q1. As per technical requirements.
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Q2. As per technical requirements
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Q1. As per technical requirements.
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Q2. As per technical requirements
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Q1. As per technical requirements.
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Any topic we can choose in internet

Q1. What is ip address
Ans. 
An IP address is a unique numerical label assigned to each device connected to a computer network.
• IP address stands for Internet Protocol address

• It is used to identify and locate devices on a network

• There are two types of IP addresses - IPv4 and IPv6

• Example of IPv4 address: 192.168.1.1

• Example of IPv6 address: 2001:0db8:85a3:0000:0000:8a2e:0370:7334
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Q2. What are the layers of tcp
Ans. 
TCP has four layers: Application, Transport, Internet, and Network Interface.
• Application layer: Responsible for interacting with the user and providing network services.

• Transport layer: Manages end-to-end communication and ensures data delivery.

• Internet layer: Handles routing of data packets between networks.

• Network Interface layer: Deals with the physical connection to the network.
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