Aimitra Soft Senior Network Security Engineer Interview Questions and Answers

Q1. Explain the role of Virtual router and virtual system
Ans. 
Virtual router and virtual system play a crucial role in network security by providing isolated environments for routing and security policies.
• Virtual router is a software-based routing instance that operates within a virtualized environment.

• Virtual system is a logical division of a physical firewall that allows for separate security policies and configurations.

• Both virtual router and virtual system help in creating is...read more
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Q2. What is app-id, content-id
Ans. 
App-ID and Content-ID are features used in network security to identify and control applications and content.
• App-ID is used to identify applications based on their behavior, not just port and protocol

• Content-ID is used to identify and control content within applications

• Both features are commonly used in next-generation firewalls for advanced security policies

• Example: App-ID can identify and block social media applicati...read more
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Q1. What is U-turn Nat
Ans. 
U-turn NAT is a network configuration where traffic enters and exits the same interface on a network device.
• U-turn NAT is also known as hairpin NAT or NAT loopback.

• It allows internal hosts to access resources using their public IP address from within the same network.

• This is commonly used in scenarios where internal hosts need to access a server using its public IP address.

• U-turn NAT can be configured on firewalls or r
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Q2. What is service route
Ans. 
A service route is the path that a service takes to reach its destination, including all the network devices it passes through.
• Service routes can include routers, switches, firewalls, and other network devices.

• Understanding service routes is important for network security to identify potential vulnerabilities or points of failure.

• Examples of service routes include the path an email takes from sender to recipient, or th...read more
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Q3. What is wildfire
Ans. 
Wildfire is a type of malware analysis service provided by Palo Alto Networks.
• Malware analysis service

• Identifies and blocks unknown threats in real-time

• Utilizes machine learning and AI for threat detection
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Q1. Fortigate IPsec tunnel
Ans. 
Fortigate IPsec tunnel is a secure connection established between two Fortigate devices for secure communication.
• IPsec tunnel is used to encrypt data traffic between two Fortigate devices

• Fortigate devices authenticate each other using pre-shared keys or certificates

• IPsec tunnel can be configured using the Fortigate web interface or CLI commands
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Q2. Fortigate HA cluster and how it work
Ans. 
Fortigate HA cluster is a high availability setup where two or more Fortigate devices work together to ensure continuous network security.
• Fortigate HA cluster involves setting up two or more Fortigate devices in an active-passive or active-active configuration.

• In active-passive setup, one device is active while the other is on standby, ready to take over in case of failure.

• In active-active setup, both devices actively ...read more
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Q1. Packet FLow of fortigate
Ans. 
Packet flow in Fortigate involves ingress, inspection, routing, and egress stages.
• Ingress stage: Packet enters the Fortigate device through a physical or virtual interface.

• Inspection stage: Packet is inspected by security policies, firewall rules, and security services like antivirus and IPS.

• Routing stage: Packet is routed based on destination IP address and routing table.

• Egress stage: Packet exits the Fortigate device...read more
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Q2. Ipsec tunnel and troubleshooting
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Q1. About yourself and company details
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About the networking issues

Q1. BGP OSPF ,inter Vlan routing ,IP addressing and subnetting
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Q2. Switching cisco 9k serion ,juniper,hauwai, cisco ASR
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Q1. Basic discussing about salary and current work environment
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It is online test. In this test there is question of apti and also coding and from 5g question.

There are two questions asked and time is enough to solve 60 minutes

Q1. Wap for palindrome number
Ans. 
A palindrome number is a number that remains the same when its digits are reversed.
• Convert the number to a string

• Reverse the string

• Check if the reversed string is equal to the original string
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Q2. Add two numbers by function
Ans. 
Create a function to add two numbers
• Define a function that takes two parameters as input

• Inside the function, add the two numbers together and return the result

• Example: function addNumbers(num1, num2) { return num1 + num2; }
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Q3. Write a code for Binary search
Ans. 
Binary search code implementation in Python
• Define a function that takes a sorted array and a target value as input

• Initialize two pointers, low and high, to the start and end of the array respectively

• While low is less than or equal to high, calculate mid as (low + high) // 2 and compare array[mid] with target

• If array[mid] is equal to target, return mid

• If array[mid] is less than target, update low to mid + 1

• If array[mid]...read more
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Q4. Wap for check your name is palindrome not
Ans. 
A program to check if a given name is a palindrome or not.
• Convert the name to lowercase to handle case-insensitivity

• Remove any spaces or special characters from the name

• Reverse the name and compare it with the original name to check for palindrome
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Q5. What is malloc and calloc function
Ans. 
malloc and calloc are functions in C programming used for dynamic memory allocation.
• malloc function is used to allocate a single block of memory of a specified size.

• calloc function is used to allocate multiple blocks of memory of a specified size, initialized to zero.

• Example: int *ptr = (int*)malloc(5 * sizeof(int));

• Example: int *ptr = (int*)calloc(5, sizeof(int));
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Q1. Preferred location
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I am open to any location that offers growth opportunities and a challenging work environment.
• Open to relocation for the right opportunity

• Prefer locations with strong networking infrastructure

• Interested in locations with tech hubs or opportunities for professional development
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Q2. What' isbm your CCTC?
Ans. 
My current CCTC is $80,000 per year.
• Current CCTC is $80,000 per year

• CCTC may include salary, bonuses, benefits, etc.

• Negotiable based on experience and qualifications
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Q1. Full form of BGP
Ans. 
Border Gateway Protocol
• BGP stands for Border Gateway Protocol

• It is a standardized exterior gateway protocol used to exchange routing information between different autonomous systems on the internet

• BGP helps in determining the best path for data to travel between networks

• It is commonly used by Internet Service Providers (ISPs) and large organizations to connect to multiple networks

• BGP operates on TCP port 179
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Q2. Router function
Ans. 
Routers are networking devices that forward data packets between computer networks.
• Routers operate at the network layer of the OSI model

• They use routing tables to determine the best path for data packets

• Routers can connect different types of networks, such as LANs and WANs
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Q1. What is Joining date
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Q2. What is your ECTC
Ans. 
Expected CTC (Cost to Company) for the position
• ECTC stands for Expected Cost to Company

• It includes salary, bonuses, benefits, and any other compensation offered by the employer

• Candidates should provide their expected salary range based on their experience and skills
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Q1. CCNA SWITCHING and switching
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Q2. Routing
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Q1. Manager round CCNA routing and switching
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Q1. What are the types of the breaks
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Q2. What is Java proggram
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Q1. BGP and ospf and vlan
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Q2. VSS and stacking switch
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Q1. BGP in depth ospf and vlan
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Q2. Vss and switch stacking switch routing
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