LTIMindtree Interview Questions, Process, and Tips

Q1. What is bgp and metrics
Ans. 
BGP (Border Gateway Protocol) is a routing protocol used to exchange routing information between different networks. Metrics are values used to determine the best path for data to travel.
• BGP is used to route traffic between different autonomous systems (AS)

• Metrics in BGP include attributes like AS path length, local preference, and MED (Multi-Exit Discriminator)

• BGP uses these metrics to determine the best path for data...read more
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Q2. What is ospf and it’s cost
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

• Cost in OSPF is a metric used to determine the best path, calculated based on bandwidth of the link

• Cost is inversely proportional to the bandwidth, higher bandwidth means lower cost

• Example: A link with bandwidt...read more
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Q3. What is stateful firewall
Ans. 
Stateful firewall is a type of firewall that keeps track of the state of active connections and makes decisions based on the context of the traffic.
• Stateful firewalls monitor the state of active connections and make decisions based on the context of the traffic

• They keep track of the state of each connection by maintaining a state table

• Stateful firewalls can filter traffic based on the state of the connection, such as a...read more
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Q4. What is tcp handshake
Ans. 
TCP handshake is a process where two devices establish a connection by exchanging synchronization and acknowledgment packets.
• Three-way process involving SYN, SYN-ACK, and ACK packets

• Initiated by client sending a SYN packet to server

• Server responds with a SYN-ACK packet

• Client acknowledges with an ACK packet to complete the handshake

• Ensures reliable and orderly connection establishment
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Q5. How you upgrade Palo Alto
Ans. 
Upgrade Palo Alto involves planning, testing, and executing the upgrade process to ensure minimal downtime and maximum security.
• Plan the upgrade by reviewing release notes and compatibility matrix

• Backup current configuration and settings

• Test the upgrade in a lab environment before applying to production

• Schedule a maintenance window for the upgrade

• Monitor the upgrade process and verify functionality post-upgrade
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Q1. What you think your are best fit in this role
Ans. 
I am best fit for this role due to my strong leadership skills, excellent communication abilities, and proven track record of successfully managing projects.
• Strong leadership skills demonstrated through successfully leading cross-functional teams

• Excellent communication abilities to effectively communicate with stakeholders and team members

• Proven track record of successfully managing projects on time and within budget

• Ab...read more
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Q2. My skills and experience
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Technical and Aptitude questions

Q1. Asked about Educational and Family background
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Q2. Asked about top 3 strengths
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Q3. Asked about projects (one after the other, told 3 projects)
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Q4. Some common HR questions
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Q1. Asked basic HR questions
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Q1. Difference between abstract and interface
Ans. 
Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.
• Abstract class can have constructors, fields, and non-abstract methods.

• Interface can only have abstract methods and constants.

• A class can implement multiple interfaces but can only inherit from one abstract class.

• Abstract classes are used to define common characteristics of subclasses, while interfaces are use...read more
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Q2. Solid principles
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Easy to crack,logical reasoning

Tough to crack ,python,sql

Q1. Tell about yourself
Ans. 
I am a recent graduate with a degree in engineering, eager to learn and grow in a professional setting.
• Recent engineering graduate

• Eager to learn and grow

• Looking for opportunities to apply my skills
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Codility test on SQL, Spark and Python

Technical interviewer asked on Spark, Python and SQL

Q1. What skills will you bring to this position?
Ans. 
I will bring strong programming skills, experience with big data technologies, and a deep understanding of data processing and analysis.
• Strong programming skills in languages like Python, Java, or Scala

• Experience with big data technologies such as Hadoop, Spark, and Kafka

• Deep understanding of data processing and analysis techniques

• Ability to design and implement scalable data pipelines

• Experience with cloud platforms li
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