WatchGuard Technologies Sde1 Interview Questions and Answers

Q1. Trie based question
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Q2. Design LRU cache
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Design a data structure for LRU cache with get and put operations, evicting least recently used item when capacity is reached.
• Implement a doubly linked list to keep track of the order of keys based on their usage

• Use a hashmap to store key-value pairs for quick access

• Update the order of keys in the linked list when a key is accessed or inserted

• Evict the least recently used item when the cache reaches its capacity
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Q1. Unique ID generator
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Q2. Project related questions
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Q1. Operating systems, DBMS
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Q2. Few question on projects from my previous company
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Q1. Data structure algorithm questions related to various scenarios
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Q2. DS Algo related questions which revolved around different scenarios
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It includes two DSA questions and some aptitude questions

Q1. Introduce yourself
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Q2. Give the maximum element at any point of time for after pop and push
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Q3. Reverse a string
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Q1. Java basics , oops , spring
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Q1. Manger round basics behavior
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Q1. Os , CPP , bit manipulation
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Q1. Os , threads,cpp, python
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Average e e e e e

Q1. Qa basic questions
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Q1. Salary expectation
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Q1. Transformer is a static device and transfer power one from to another form current
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Q2. Current transformer is a series conection and step up to high voltage
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Q3. There are three function of smart grid electrical protection isolation and control
Ans. 
The three functions of smart grid electrical protection isolation and control are fault detection, fault isolation, and service restoration.
• Fault detection involves identifying any issues in the electrical system.

• Fault isolation involves isolating the faulty component to prevent further damage.

• Service restoration involves restoring power to the affected area as quickly as possible.

• Examples of smart grid technologies th...read more
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Q4. Current is a flow in wire
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Yes, current is the flow of electric charge in a wire.
• Current is measured in amperes (A).

• It is caused by the movement of electrons in a conductor.

• The direction of current flow is from positive to negative.

• Current can be either direct current (DC) or alternating current (AC).
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Q5. Faraday law is a electro magnetic field induction working
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Q6. Ohm's law is current between directly proportional voltage
Ans. 
Ohm's law states that current is directly proportional to voltage.
• Current increases as voltage increases

• Resistance remains constant

• Can be expressed as I = V/R
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SQP, PRS, SRT, TUV, is right answer VXW