Mphasis Tech. Support Engg Interview Questions and Answers

Q1. Sql query , database connectivity,
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Q2. Unix commands , grep, find, sed
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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. System bootup issues
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System bootup issues can be caused by hardware or software problems.
• Check for loose connections or faulty hardware components

• Verify BIOS settings and ensure correct boot order

• Scan for malware or corrupted system files

• Try booting into safe mode to troubleshoot software conflicts
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Q1. Tell me about your self
Ans. 
I am a dedicated and experienced Network Support Engineer with a strong background in troubleshooting and resolving network issues.
• Over 5 years of experience in network support roles

• Proficient in configuring and maintaining network devices such as routers and switches

• Skilled in diagnosing and resolving network connectivity issues

• Familiar with network monitoring tools like Wireshark and Nagios

• Certified in Cisco CCNA and
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Q2. Some basic questions in networking
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Q1. Write a code of hashmaps in Java while screen share
Ans. 
Code example of hashmaps in Java
• Declare a hashmap: HashMap map = new HashMap<>();

• Add key-value pairs: map.put("key1", 1);

• Retrieve value by key: int value = map.get("key1");
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Q1. Linux based and scripting SQL query
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Q1. Tell me about yourself
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Q2. Education and experience
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Q1. Any random topic
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