BIZONGO Software Engineer II Interview Questions and Answers

There was three questions in round 1, first was aptitude question second was probability question and third was of system design

It was a structured process where we were divided into groups

Q1. It is related to windows application and basic c# coding
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DSA round.
2 questions
1) BFS question. given 2d matrix rotting oranges kind of question
2) meeting rooms kind of question

Q1. DSA Structures and Tests
Ans. 
Understanding of data structures and algorithms is crucial for software engineering roles.
• Knowledge of common data structures like arrays, linked lists, trees, graphs, etc.

• Understanding of algorithms like sorting, searching, dynamic programming, etc.

• Ability to analyze time and space complexity of algorithms.

• Experience in writing efficient code using data structures and algorithms.

• Familiarity with common data structure ...read more
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Q2. Question on vertx
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Logical reasoning and verbals

Data science and computer networking

Q1. Dbms and oops ,data science and objects orientation
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Q2. Demand paging and network topology
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Q3. Difference between tcp and udp
Ans. 
TCP is connection-oriented, reliable, and slower, while UDP is connectionless, unreliable, and faster.
• TCP is connection-oriented, meaning a connection must be established before data can be transmitted.

• TCP is reliable, as it ensures that all data is received in the correct order without errors.

• UDP is connectionless, meaning data can be sent without establishing a connection first.

• UDP is unreliable, as it does not guara...read more
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Q4. Computer networking and types of topology
Ans. 
Computer networking involves connecting multiple devices to share resources and information. Different types of network topologies include bus, star, ring, mesh, and hybrid.
• Bus Topology: All devices are connected to a single cable, like a bus route.

• Star Topology: All devices are connected to a central hub, like a star.

• Ring Topology: Each device is connected to two other devices, forming a ring.

• Mesh Topology: Every devi...read more
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Q5. Binarysearch and linked list of nodes bounded
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I was asked to implement lru cache which i did but still didn’t made to next round as apparently i didn’t complete the working code though in my opinion i did

Medium complexity questions mostly quantitative

Trees and Graphs are required to study

Q1. How to do configuration for ipsec if both site to site has same network
Ans. 
Configure IPsec with NAT-T or use different subnets for the site-to-site connections.
• Use NAT-T (Network Address Translation Traversal) to allow both sites to communicate with the same network.

• Alternatively, use different subnets for the site-to-site connections to avoid conflicts.

• Ensure proper routing and firewall rules are in place to allow traffic between the sites.

• Consider using VPN concentrators or routers that sup...read more
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Q2. How to configure rsvp-te in cisco
Ans. 
RSVP-TE can be configured on Cisco routers using the MPLS traffic engineering feature.
• Enable MPLS on the router

• Configure RSVP-TE on the interfaces participating in MPLS TE tunnels

• Define MPLS TE tunnel paths and assign bandwidth constraints

• Verify the configuration using show commands
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