Fortinet Cyber Security Analyst Interview Questions and Answers

Gave some scenario based questions

Case study walkthrough

Q1. General hr questions
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Code DB Transactions like rollback

Code-with-cisco having coding questions and mcq

Q1. Different scheduling algorithms in OS?
Ans. 
Different scheduling algorithms in OS determine how tasks are prioritized and executed.
• First-Come, First-Served (FCFS)

• Shortest Job Next (SJN)

• Round Robin (RR)

• Priority Scheduling

• Multi-Level Queue Scheduling
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Q2. Resume go-through: projects and intern
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Q1. Networking: Transfer packet from one device to another
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Q2. Contact dictionary- data structure used and time complexity
Ans. 
Contact dictionary can be implemented using hash table for fast lookups with O(1) time complexity.
• Use a hash table to store contacts with keys as names and values as contact information.

• Example: { 'John Doe': '555-1234', 'Jane Smith': '555-5678' }

• Time complexity for searching, inserting, and deleting contacts is O(1) with a hash table.
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Q1. Basic networking
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Q2. Why cisco, what is cisco?
Ans. 
Cisco is a multinational technology conglomerate known for networking hardware, software, and services.
• Cisco is a leading provider of networking equipment and solutions.

• They offer a wide range of products including routers, switches, and security devices.

• Cisco also provides software solutions for network management and security.

• The company offers services such as consulting, technical support, and training.

• Cisco is kno...read more
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Round duration - 40 minutes
Round difficulty - Easy

Technical round with questions based on DSA.

Q1. 
Reverse a Number Problem Statement
Create a program to reverse a given integer N. The output should be the reversed integer.
Note:
If a number has trailing zeros, their reversed version should not inclu...read more
Ans. 
Reverse a given integer while excluding trailing zeros.
• Create a program to reverse the given integer by converting it to a string and then reversing it.

• Remove any trailing zeros from the reversed string before converting it back to an integer.

• Handle the constraints of the input integer being between 0 and 10^8.

• Example: For input 1230, the output should be 321.
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Q2. 
Reverse a Linked List Problem Statement
You are given a Singly Linked List of integers. Your task is to reverse the Linked List by changing the links between nodes.
Input:
The first line of input contai...read more
Ans. 
Reverse a given singly linked list by changing the links between nodes.
• Iterate through the linked list and reverse the links between nodes.

• Use three pointers to keep track of the current, previous, and next nodes.

• Update the links while traversing the list to reverse it.

• Return the head of the reversed linked list.
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Q3. What is the difference in C++ between 'new int[5]' and 'malloc(5 * sizeof(int))'?
Ans. 
new int[5] is C++ specific and initializes the array with default values, while malloc(5 * sizeof(int)) is a C function and does not initialize the array.
• new int[5] is C++ specific and calls constructors for each element in the array.

• malloc(5 * sizeof(int)) is a C function and does not call constructors, leaving the array uninitialized.

• new int[5] returns a pointer to the first element of the array, while malloc(5 * siz...read more
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