Sify Technologies Network Engineer Interview Questions, Process, and Tips

Q1. What is MPLS What is DNS What is Subnetting
Ans. 
MPLS is a protocol used for efficient data transfer. DNS is a system that translates domain names to IP addresses. Subnetting is dividing a network into smaller subnetworks.
• MPLS stands for Multiprotocol Label Switching and is used to route network traffic efficiently.

• DNS stands for Domain Name System and is used to translate domain names to IP addresses.

• Subnetting is the process of dividing a network into smaller subne...read more
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Q2. What is difference IPv4 and IPV6
Ans. 
IPv6 is the successor to IPv4, with larger address space, improved security, and better support for mobile devices.
• IPv4 uses 32-bit addresses, while IPv6 uses 128-bit addresses

• IPv6 has a hierarchical addressing structure, allowing for more efficient routing

• IPv6 includes built-in security features, such as IPsec

• IPv6 has better support for mobile devices, with features like mobile IP and flow labeling
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Discuss Banking Network

Q1. What are your salary expectations?
Ans. 
I expect a competitive salary based on my experience, skills, and the responsibilities of the role.
• Research the average salary range for Network Engineers in your area

• Consider your level of experience and expertise

• Factor in the job responsibilities and requirements

• Be prepared to negotiate and discuss benefits

• Example: I expect a salary in the range of $70,000 to $90,000 per year based on industry standards and my qualif
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Q2. Tell me about yourself.
Ans. 
I am a highly skilled and experienced Network Engineer with a strong background in designing, implementing, and managing complex network infrastructures.
• I have a Bachelor's degree in Computer Science and multiple certifications in networking technologies such as CCNA and CCNP.

• I have worked for 5 years at XYZ Company, where I was responsible for maintaining and troubleshooting network systems for a large enterprise.

• I ha...read more
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Q1. What is wireless
Ans. 
Wireless refers to the transmission of data without the use of physical cables or wires.
• Wireless technology uses radio waves to transmit data over a network.

• Examples of wireless technology include Wi-Fi, Bluetooth, and cellular networks.

• Wireless networks are convenient for mobile devices and allow for greater flexibility in connectivity.
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Q2. What is switch congratulations
Ans. 
Switch congestion occurs when a network switch is overwhelmed with traffic, leading to delays or dropped packets.
• Switch congestion can occur when there is a high volume of data being transmitted through the switch

• It can lead to delays in data transmission or even dropped packets

• Switch congestion can be alleviated by implementing Quality of Service (QoS) policies or upgrading to higher capacity switches
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Q3. Aruna wifi configuration
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Q4. Wireless device configuration
Ans. 
Wireless device configuration involves setting up and managing wireless networks for optimal performance.
• Understand the network requirements and goals

• Select appropriate wireless devices and access points

• Configure SSIDs, security settings, and encryption protocols

• Optimize placement of access points for coverage and performance

• Monitor and troubleshoot network performance
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Q5. Customer support
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Q1. Route switch firewall
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Q2. Firewall Fortigate
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Q1. Myself and day to day job
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Q2. Work location and ctc
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Q1. Bgp ,ospf ,eigrp
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Q2. Day to day work
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Q1. About experience work role
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Q2. Location, expectation of salary
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Q1. Daily routine of duty
Ans. 
Daily routine involves monitoring network performance, troubleshooting issues, implementing upgrades, and collaborating with team members.
• Monitor network performance and security

• Troubleshoot network issues

• Implement network upgrades and configurations

• Collaborate with team members on projects and tasks
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Q2. Technical questions from your work and hiring position
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