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HCLTech Senior Network Specialist Interview Questions and Answers
HCLTech Senior Network Specialist Interview Experiences
1 interview found
Vignesh Subramanian
Selected
I applied via Approached by Company and was interviewed in Jul 2024. There were 2 interview rounds.
(2 Questions)
- Q1. What is bgp and the process of all the attributes
- Ans.
BGP (Border Gateway Protocol) is a routing protocol used to exchange routing information between different autonomous systems on the internet.
BGP is used to make routing decisions based on network policies, rules, and attributes.
BGP attributes include AS_PATH, NEXT_HOP, LOCAL_PREF, MED, and WEIGHT.
AS_PATH is a list of autonomous systems that the route has traversed.
NEXT_HOP is the IP address of the next router to reach...
- Q2. About all the switching concepts and routing concepts basic
(1 Question)
- Q1. Salary discussion
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KUNDAN KUMAR
I applied via Campus Placement and was interviewed in Sep 2024. There were 3 interview rounds.
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
(5 Questions)
- 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
- 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; }
- 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]...
- 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
- 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));
Interview Preparation Tips
- Basic programming
Skills evaluated in this interview
Network Engineer Interview Questions & Answers
Tech Mahindra
Shubham fav Dupargude
posted on 7 Jan 2025
Selected
I applied via Job Portal and was interviewed in Dec 2024. There was 1 interview round.
(1 Question)
- Q1. Basics TCP IP , trace root command and DORA PROCESS
Vikas Gunjal
Selected
(2 Questions)
- Q1. CCNA SWITCHING and switching
- Q2. Routing
(1 Question)
- Q1. Manager round CCNA routing and switching
Anonymous
Normal communication check
(5 Questions)
- Q1. Basci CCNA question
- Q2. EIGRP was asked
- Q3. DHCp was asked and how it works
- Q4. What is loop and what is the IP
- Ans.
A loop is a sequence of instructions that is continually repeated until a certain condition is met. An IP (Internet Protocol) address is a unique numerical label assigned to each device connected to a computer network.
A loop is used in programming to execute a block of code repeatedly until a specific condition is met.
There are different types of loops such as for loop, while loop, and do-while loop.
An IP address is us...
- Q5. Rotuing protocols and switch protocols
Skills evaluated in this interview
(3 Questions)
- Q1. Share you internship exp
- Ans.
I interned at a telecommunications company where I gained hands-on experience in configuring network devices and troubleshooting network issues.
Configured routers and switches to optimize network performance
Assisted in setting up VLANs and implementing security protocols
Troubleshooted network connectivity issues for end users
Participated in network infrastructure upgrades and maintenance
- Q2. All question based on the resume only
- Q3. Prepare whatever written in your resume
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(2 Questions)
- Q1. What are the types of the breaks
- Q2. What is Java proggram
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Gowthaman Kutti
(2 Questions)
- Q1. BGP and ospf and vlan
- Q2. VSS and stacking switch
(2 Questions)
- Q1. BGP in depth ospf and vlan
- Q2. Vss and switch stacking switch routing
Interview Preparation Tips
I applied via Naukri.com and was interviewed in Jul 2024. There was 1 interview round.
(3 Questions)
- Q1. What are the information in TCP IP Header?
- Ans.
TCP IP Header contains information such as source and destination IP addresses, port numbers, sequence numbers, and more.
Source IP address
Destination IP address
Source port number
Destination port number
Sequence number
Acknowledgment number
Header length
Checksum
- Q2. What is App ID in Palo Alto Firewalls?
- Ans.
App ID in Palo Alto Firewalls is a feature that identifies applications on the network based on various parameters.
App ID uses multiple methods to identify applications, including port-based, protocol-based, and application signature-based identification.
It allows administrators to create policies based on specific applications rather than just ports or protocols.
App ID helps in enhancing security by allowing granular ...
- Q3. What is the SP3 Architecture of Palo Alto Firewalls?
- Ans.
SP3 Architecture of Palo Alto Firewalls refers to Security Processing Plane, Control Plane, and Data Plane.
SP3 Architecture consists of Security Processing Plane (SP), Control Plane (C), and Data Plane (D)
Security Processing Plane (SP) handles security functions like threat prevention and decryption
Control Plane (C) manages routing and firewall policies
Data Plane (D) processes and forwards traffic based on firewall pol...
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Skills evaluated in this interview
I applied via Referral and was interviewed in Jun 2024. There was 1 interview round.
(2 Questions)
- Q1. What do you know about routing?
- Ans.
Routing is the process of selecting the best path for network traffic to reach its destination.
Routing involves determining the optimal path for data packets to travel from the source to the destination.
Routers use routing tables to make decisions on how to forward packets based on destination IP addresses.
There are different types of routing protocols such as RIP, OSPF, EIGRP, and BGP.
Static routing involves manually ...
- Q2. What do you know about switching?
- Ans.
Switching is a networking technique used to forward data packets between devices on a computer network.
Switching involves the process of receiving, analyzing, and forwarding data packets within a network.
Switches operate at Layer 2 (Data Link Layer) of the OSI model.
Switches use MAC addresses to determine the destination of data packets.
Switches create separate collision domains and broadcast domains, improving network...
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HCLTech Senior Network Specialist Reviews and Ratings
based on 12 reviews
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Software Engineer
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|  ₹1.2 L/yr - ₹8 L/yr |
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Technical Lead
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| ₹6.9 L/yr - ₹25 L/yr |
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Senior Software Engineer
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| ₹4 L/yr - ₹16.5 L/yr |
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14.8k
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| ₹4.2 L/yr - ₹14 L/yr |
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