iOPEX Technologies Interview Questions, Process, and Tips

Q1. Can you tell me about yourself?
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Q2. What are your salary expectations?
Ans. 
I expect a competitive salary based on my skills, experience, and industry standards for a Desktop Engineer role.
• Research industry standards: For example, Glassdoor reports average salaries for Desktop Engineers range from $60,000 to $90,000.

• Consider my experience: With over 5 years in the field, I believe a salary towards the higher end of the range is justified.

• Location matters: Salaries can vary significantly by reg...read more
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Q1. What is the OSI model?
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The OSI model is a conceptual framework used to understand network communication in seven layers.
• Layer 1: Physical - Deals with the physical connection (e.g., cables, switches).

• Layer 2: Data Link - Manages node-to-node data transfer (e.g., Ethernet).

• Layer 3: Network - Handles routing of data (e.g., IP addresses).

• Layer 4: Transport - Ensures complete data transfer (e.g., TCP, UDP).

• Layer 5: Session - Manages sessions bet...read more
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Q2. What is an IP address, and what are its different types?
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An IP address is a unique identifier for a device on a network, enabling communication between devices.
• Types of IP addresses include IPv4 and IPv6.

• IPv4 addresses are 32-bit numbers, e.g., 192.168.1.1.

• IPv6 addresses are 128-bit numbers, e.g., 2001:0db8:85a3:0000:0000:8a2e:0370:7334.

• IP addresses can be static (fixed) or dynamic (assigned by DHCP).

• Public IP addresses are accessible over the internet, while private IP addr
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Q1. Explain Ipsec in detail
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IPsec is a protocol suite used to secure internet protocol (IP) communications by authenticating and encrypting each IP packet of a communication session.
• IPsec provides security services at the IP layer by enabling secure communication over the Internet.

• It uses encryption algorithms to ensure data confidentiality and authentication protocols to verify the identity of communicating parties.

• IPsec operates in two modes: T...read more
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Q2. Explain tcp in breif
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TCP (Transmission Control Protocol) is a connection-oriented protocol that provides reliable, ordered, and error-checked delivery of data.
• TCP is one of the main protocols in the Internet protocol suite.

• It operates at the transport layer of the OSI model.

• TCP ensures that data packets are delivered in order and without errors.

• It also includes mechanisms for flow control and congestion control.

• Examples of applications tha...read more
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Q3. What is the dns and dhcp
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DNS is a system that translates domain names to IP addresses, while DHCP is a protocol that assigns IP addresses to devices on a network.
• DNS stands for Domain Name System and is used to translate domain names (like www.example.com) to IP addresses (like 192.168.1.1).

• DHCP stands for Dynamic Host Configuration Protocol and is used to automatically assign IP addresses, subnet masks, and other network configuration paramet...read more
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Q4. How dns work and what are the different records in dns?
Ans. 
DNS (Domain Name System) is a system that translates domain names to IP addresses to locate resources on the internet.
• DNS works by translating human-readable domain names (like google.com) into IP addresses (like 172.217.3.206).

• Different types of DNS records include A records (for IPv4 addresses), AAAA records (for IPv6 addresses), CNAME records (for aliasing one domain to another), MX records (for mail servers), and T...read more
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Basic questions were asked and there were many easy questions

In GD there were 6 members and everyone was given enough time to think and speak.

Q1. Breif Intro was asked
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Q2. Question on college final year project
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Q3. Question on topics of CN
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Q4. Topics like DNS , TCP/IP Protocol, IP address , MAC, LAN, MAN, WAN, etc
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Q1. How to handle customer
Ans. 
Handle customers with patience, empathy, and effective communication.
• Listen actively to understand the customer's issue

• Show empathy and understanding towards the customer's frustration

• Communicate clearly and effectively, avoiding technical jargon

• Provide timely updates on the progress of resolving the issue

• Follow up with the customer to ensure satisfaction
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