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Acumera System Administrator Interview Questions and Answers
Acumera System Administrator Interview Experiences
1 interview found
I applied via Naukri.com and was interviewed in Jul 2024. There was 1 interview round.
(2 Questions)
- Q1. Relevant exp in System administrator
- Q2. Redhat experience
Interview questions from similar companies
chandana
Interview Preparation Tips
Experience: It was a blend of topics from IT,CSE and ECE. Try to concentrate on coding and networks for this round. mostly luck based
Round: Group Discussion
Experience: A very easy round. Can easily clear it if you have minimum skills
Round: Technical Interview
Experience: needs a sound knowledge in networking .
Round: HR Interview
Experience: your personality and the way you behave matters a lot. Try to be humble and truthful
General Tips: as I mentioned earlier keep trying never loose hope
Skills: communication skills, grasping power , knowledge
College Name: VIT VELLORE
Motivation: high package :P
Funny Moments: none . but had to go to bangalore for interview which was fun :)
I applied via Campus Placement and was interviewed in Jan 2016. There were 3 interview rounds.
Interview Preparation Tips
Experience: Tested basics in each subject
Round: Technical Interview
Experience: Had asked me about my projects in detail. Some DSA questions were asked. Asked to code in C for some questions.
Round: Technical Interview
Experience: Asked questions about data structures and some more algorithms. Tested in Probability and some quant.
College Name: IIT Madras
Interview Questionnaire
6 Questions
- Q1. Tell us about yourself ?
- Q2. Any knowledge of Networks/DS?
- Ans.
Yes
Knowledge of network protocols and architectures
Understanding of data structures and algorithms
Experience with network troubleshooting and analysis
Familiarity with network security and encryption
Proficiency in network programming and socket programming
- Q3. Which projects do you like the most?
- Q4. How was your test ?
- Ans.
The test went well, I was able to complete all the tasks within the given time frame.
I prepared well for the test by reviewing relevant materials
I managed my time effectively during the test
I was able to solve all the problems and complete all the tasks
I double-checked my work to ensure accuracy
- Q5. Why CISCO ? Tell something about it
- Q6. Which companies have you applied for till day 4 ?
Interview Preparation Tips
Experience: 30 questions on Technical knowledge - Basic C, DS, Microprocessor, OS, Networks, Circuit Designs.
20 questions on Aptitude.
Total Questions: 50
Round: Technical Interview
Experience: It was a 25-30 minute round. Apart from the questions mentioned, they asked questions related to BTP(Signal Processing) and Microprocessor 8085.
Tips: Basic C, EE 370 and Microprocessor 8085 will be helpful. They will look for Networks related questions. Revise the related courses and attend PPTs.
Round: HR Interview
Experience: It was a 15-minute round.
General Tips: Analytical thinking is important and you should have good technical knowledge and a decent academic record.
College Name: IIT KANPUR
Skills evaluated in this interview
Interview Preparation Tips
Tips: It will be good to have a GPA of 8 and above
Round: Test
Experience: Questions were easy it were good at C and basic maths. Questions were distributed on all aspects of computer science such as Operating Systems, Few Output Question, Data Structures and Application layer networking . In basic aptitude most questions fall under Probability, distance and time and few others.
Duration: 60 minutes
Total Questions: 50
Skills: Communication, Basic Coding, Math Puzzle
College Name: NIT Surathkal
Interview Preparation Tips
Experience: The test was MCQ type. It comprised of questions from Operating Systems, Data Structures, Microprocessors, logical Reasoning, Aptitude and Computer Networks. No negative marking was there.
Tips: One needs to be fast as you can't spend much time on one question.
Duration: 60 minutes
Total Questions: 50
Round: Technical Interview
Experience: I was given 2 coding questions to solve and basics of oops, operating systems, data structures and networks were asked. 3-4 questions were asked in each topic mentions above. The interviewer also asked 2 puzzles which were the standard ones. He first asked me if I knew the topic or not, then only he asked me questions about it. But that doesn't mean that you can skip all the above mentions topics.
Tips: Be relaxed and confident and try to discuss your approach with the interviewer.
Round: Technical Interview
Experience: 2 Coding questions and 3-4 questions from operating systems and networks.Questions also from the mentioned projects.
Round: HR Interview
Experience: Standard HR interview with questions like what Cisco does and why they should hire you. He also asked me questions from the CV.
Tips: Be confident and mug up your cv well
Round: HR Interview
Experience: It was just a formality where he just asked about my background and whether I would be able to move to bangalore and Why I want to join Cisco.
Skills: Confidence, Problem Solving Skills, Operating System Basics, Coding Skills, Object Oriented Programming (OOP) Basics, Computer Networking, Data Strrutures
College Name: IIT Guwahati
I applied via Referral
Interview Questionnaire
10 Questions
- Q1. Program to print the elements of a binary tree in spiral order
- Ans.
Program to print binary tree elements in spiral order
Use two stacks to keep track of nodes at odd and even levels
Push nodes from left to right in odd level stack and right to left in even level stack
Pop nodes from the stack alternatively and print them
Repeat until both stacks are empty
- Q2. Explain what happens underneath when you enter a URL in the browser
- Ans.
Entering a URL in the browser triggers a series of events to retrieve and display the requested webpage.
The browser checks the cache for a previously stored copy of the webpage
If not found, the browser sends a request to the DNS server to resolve the domain name to an IP address
The browser then sends a request to the web server at the IP address for the webpage
The web server responds with the requested webpage
The brows...
- Q3. Explain why MAC addresses are required despite having IP addresses
- Ans.
MAC addresses are required for identifying devices on a local network, while IP addresses are used for identifying devices on a global network.
MAC addresses are used for communication within a local network
IP addresses are used for communication across different networks
MAC addresses are assigned by the manufacturer and cannot be changed
IP addresses can be assigned dynamically or statically
MAC addresses are used in the...
- Q4. Solve the classical bridge and torch puzzle
- Q5. Explain my internship project
- Ans.
Developed a web application for tracking inventory and sales data
Used React.js for front-end development
Implemented RESTful APIs using Node.js and Express for back-end
Utilized MongoDB for database management
Integrated authentication and authorization features for secure access
Designed user-friendly interface with responsive design
- Q6. What is an arraylist in Java?
- Ans.
An ArrayList is a dynamic array in Java that can grow or shrink in size during runtime.
ArrayList is a class in Java's Collection framework.
It implements the List interface and allows duplicate elements.
Elements can be added or removed using methods like add(), remove(), etc.
It can also be sorted using the sort() method.
Example: ArrayList
names = new ArrayList<>(); names.add("John"); names.add("Mary"); names.remove(0);
- Q7. What is the difference between an arraylist and a linkedlist in Java?
- Ans.
ArrayList is a resizable array while LinkedList is a doubly linked list.
ArrayList is faster for accessing elements while LinkedList is faster for adding or removing elements.
ArrayList uses contiguous memory while LinkedList uses non-contiguous memory.
ArrayList is better for random access while LinkedList is better for sequential access.
Example: ArrayList - List
names = new ArrayList<>(); LinkedList - List names = new L
- Q8. “Java is not a pure OO language”. Justify (the answer expected was that the primitive types are not objects in Java!)
- Ans.
Java is not a pure OO language due to primitive types not being objects.
Primitive types like int, boolean, etc. are not objects in Java
They do not have methods or inheritance like objects do
This violates the principle of everything being an object in pure OO languages
Wrapper classes like Integer, Boolean, etc. were introduced to provide object-like behavior for primitives
- Q9. What is the difference between an object oriented and object based language?
- Ans.
Object-oriented languages support inheritance and polymorphism, while object-based languages do not.
Object-oriented languages allow for the creation of classes and objects, and support inheritance and polymorphism.
Object-based languages only support objects, but do not have the concept of classes or inheritance.
Examples of object-oriented languages include Java, C++, and Python, while JavaScript is an example of an obj
- Q10. Explain inheritance and abstraction with a concrete example
- Ans.
Inheritance is a way to create new classes based on existing ones. Abstraction is a way to hide implementation details.
Inheritance allows a subclass to inherit properties and methods from a superclass.
Abstraction allows a class to provide a simplified interface to its users while hiding its implementation details.
For example, a Car class can inherit properties and methods from a Vehicle class, while also implementing i...
Interview Preparation Tips
College Name: NA
Skills evaluated in this interview
I applied via Referral
Interview Questionnaire
14 Questions
- Q1. How many interviews have I attended before?
- Q2. What value would I add to Cisco?
- Q3. What do I know about Cisco?
- Q4. Am I ready to work as an IT manager?
- Ans.
No, as a software engineer, you may not have the necessary experience or skills to work as an IT manager.
Software engineers typically focus on coding and technical aspects, while IT managers are responsible for overseeing projects, teams, and budgets.
IT managers need strong leadership, communication, and decision-making skills, which may not be the primary focus of a software engineer.
Consider gaining experience in pro...
- Q5. Mention the layers in OSI stack
- Ans.
OSI stack has 7 layers that define how data is transmitted over a network.
OSI stands for Open Systems Interconnection
Each layer has a specific function and communicates with adjacent layers
Layers are: Physical, Data Link, Network, Transport, Session, Presentation, Application
- Q6. When would I go for a router to make two computers communicate?
- Ans.
A router is needed to connect two computers in different networks or to share internet connection.
When two computers are in different networks, a router is needed to connect them.
A router can also be used to share internet connection between multiple devices.
Routers can provide additional security features like firewall and VPN.
Examples of routers include Cisco, Netgear, and TP-Link.
- Q7. Mention the number of bits in IPv4 and IPv6 addresses
- Ans.
IPv4 has 32 bits and IPv6 has 128 bits.
IPv4 addresses are in the format of xxx.xxx.xxx.xxx where each xxx is an 8-bit number.
IPv6 addresses are in the format of xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx where each xxxx is a 16-bit number.
IPv6 addresses allow for a much larger number of unique addresses than IPv4.
- Q8. What is the need for IPv6?
- Ans.
IPv6 is needed due to the exhaustion of IPv4 addresses and the need for more unique IP addresses.
IPv6 provides a significantly larger address space compared to IPv4.
It allows for the allocation of unique IP addresses to every device connected to the internet.
IPv6 supports improved security features and better network performance.
It enables the growth of Internet of Things (IoT) devices and services.
Transitioning to IPv...
- Q9. How many clients are possible for a /24 address?. What is the network address and broadcast address here?
- Ans.
A /24 address can have 256 clients. Network address is the first IP and broadcast address is the last IP.
A /24 address has 256 IP addresses
The network address is the first IP in the range
The broadcast address is the last IP in the range
- Q10. What is the difference between anycast, unicast, and multicast?
- Ans.
Anycast, unicast, and multicast are different ways of routing network traffic.
Unicast is one-to-one communication between a sender and a receiver.
Anycast is one-to-nearest communication where the sender sends a message to the nearest receiver.
Multicast is one-to-many communication where the sender sends a message to a group of receivers.
Anycast is used for load balancing and finding the nearest server.
Unicast is used f...
- Q11. What is virtual memory? What is its size in relation to main memory?
- Ans.
Virtual memory is a memory management technique that allows a computer to use more memory than physically available.
Virtual memory is created by using hard disk space as an extension of RAM.
It allows running more programs than the physical memory can handle.
The size of virtual memory is typically larger than the size of main memory.
Virtual memory is divided into pages, which are swapped in and out of main memory as nee...
- Q12. How do I rate myself in C, web technologies on a scale of 10?
- Ans.
I rate myself 8 in C and 7 in web technologies.
I have extensive experience in C programming and have worked on multiple projects using it.
In web technologies, I have a good understanding of HTML, CSS, and JavaScript, but there is always room for improvement.
I am constantly learning and improving my skills in both areas.
- Q13. What are my strengths?
- Ans.
My strengths include problem-solving skills, attention to detail, and strong programming abilities.
Strong problem-solving skills - able to analyze complex problems and come up with effective solutions
Attention to detail - meticulous in writing code and ensuring it is error-free
Strong programming abilities - proficient in multiple programming languages such as Java, Python, and C++
- Q14. The classical 3l, 5l puzzle
Interview Preparation Tips
College Name: NA
Skills evaluated in this interview
I was interviewed in Aug 2017.
Interview Questionnaire
4 Questions
- Q1. Difference between c and java?
- Ans.
C is a procedural programming language while Java is an object-oriented programming language.
C is a low-level language while Java is a high-level language.
C requires manual memory management while Java has automatic memory management.
C is platform-dependent while Java is platform-independent.
C supports pointers while Java does not.
C has a simpler syntax compared to Java.
- Q2. Difference between final, finally and finalize
- Ans.
final, finally, and finalize are keywords in Java with different meanings.
final is a keyword used to declare a constant value, a variable that cannot be modified.
finally is a block used in exception handling to ensure a piece of code is always executed, whether an exception is thrown or not.
finalize is a method in the Object class that is called by the garbage collector before an object is destroyed.
final and finally a...
- Q3. About yourself
- Q4. Why Johnson
- Ans.
Johnson is a reputable company known for its innovative software solutions and collaborative work environment.
Johnson has a strong reputation in the industry for delivering high-quality software solutions.
The company values collaboration and teamwork, which aligns with my own work style.
I admire Johnson's commitment to innovation and staying ahead of technological advancements.
Interview Preparation Tips
Experience: Questions was unpredictable as it was from reasoning,verbal , and from general knowledge also.Technical questions was also there.
Tips: Technical question was not that hard. Just have good basic knowledge of programming and DBMS
Round: Technical Interview
Experience: It was from basic concepts only.
Round: HR Interview
Experience: There were 12 HRs to take my interview but asked mainly from CV only.
Tips: Be calm and confident and learn the basic of subjects
College Name: BPPIMT
Skills evaluated in this interview
Software Engineer Interview Questions & Answers
Diebold Nixdorf
Santhosh Medide
posted on 2 Sep 2015
Interview Questionnaire
13 Questions
- Q1. Explain Polymorphism,Constructors,Destructors,Classes
- Ans.
Polymorphism is the ability of an object to take on many forms. Constructors and destructors are special methods in classes.
Polymorphism allows objects to be treated as instances of their own class or as instances of their parent class.
Constructors are used to initialize objects when they are created. Destructors are used to clean up after an object when it is destroyed.
Classes are templates for creating objects. They ...
- Q2. Explain Encapsulisation
- Ans.
Encapsulation is the process of hiding implementation details and exposing only the necessary information to the user.
Encapsulation is achieved through access modifiers like public, private, and protected.
It helps in achieving data abstraction and information hiding.
Encapsulation provides better control over the data and prevents unauthorized access.
Example: A class with private variables and public methods to access t...
- Q3. Remove duplicates in linked lists
- Ans.
Remove duplicates in linked lists
Traverse the linked list and keep track of visited nodes using a hash table
If a node is already visited, remove it from the linked list
Time complexity: O(n), Space complexity: O(n)
- Q4. Explain mergesort and implement it in code
- Ans.
Mergesort is a divide-and-conquer algorithm that sorts an array by dividing it into two halves, sorting each half, and merging them.
Divide the array into two halves
Sort each half recursively
Merge the two sorted halves
Repeat until the entire array is sorted
Example: ['apple', 'banana', 'cherry', 'date'] -> ['apple', 'banana', 'cherry', 'date'] -> ['apple', 'banana'], ['cherry', 'date'] -> ['apple'], ['banana'], ['cherry'...
- Q5. Reverse a string
- Ans.
Reverse a given string
Create an empty string
Iterate through the original string in reverse order
Append each character to the empty string
Return the reversed string
- Q6. Reverse words in a string
- Ans.
Reverse words in a string
Split the string into an array of words
Reverse the array
Join the array into a string
- Q7. Check if a string is palindrome or not
- Ans.
Check if a string is palindrome or not
Reverse the string and compare with original
Compare characters from start and end of string
Ignore spaces and punctuation marks while comparing
- Q8. Puzzles- threads,deficient coin,25 horses,two jars
- Q9. Tell me about yourself
- Ans.
I am a software engineer with experience in developing web applications and a passion for problem-solving.
Experienced in developing web applications using technologies such as HTML, CSS, JavaScript, and React
Proficient in programming languages such as Java and Python
Skilled in problem-solving and troubleshooting
Strong communication and collaboration skills
Passionate about staying up-to-date with the latest technologies
- Q10. Why not GATE
- Ans.
GATE is not my preferred choice as I am more interested in software development than research.
I am more interested in practical application of software development than theoretical research
I believe my skills and interests align better with software engineering roles
I have researched and found that software engineering roles do not require a GATE qualification
- Q11. Why not MS
- Ans.
I prefer open-source technologies and have more experience with them.
I have more experience with open-source technologies like Linux and Python.
I believe in the benefits of open-source software for collaboration and innovation.
I am not opposed to using MS technologies if they are the best fit for the project.
However, I prefer to work with technologies that align with my values and experience.
- Q12. Why Diebold
- Ans.
Diebold offers challenging work and opportunities for growth in the software engineering field.
Diebold has a strong reputation in the industry
The company offers a diverse range of projects and technologies to work on
There are opportunities for career growth and development
The work is challenging and rewarding
Diebold values innovation and creativity in its employees
- Q13. Why into Software although you are from ECE
- Ans.
Software is the future and ECE has a strong foundation in programming and problem-solving.
ECE curriculum includes programming courses
Software development is a growing industry
Programming skills are transferable across fields
Interest in software development and problem-solving
Opportunities to work on software projects during ECE studies
Interview Preparation Tips
Experience: General Aptitude had 25 questions ,35 minutes was alloted and wasn't much difficult when compared to other company aptitude tests.
Microprocessors had 15 questions ,25 min was alloted and it covered basic and mediocre level questions from Intel 8086 and some c-apti questions.
Tips: www.indiabix.com for general aptitude and c-apti
Duration: 60 minutes
Total Questions: 40
Round: Technical Interview
Tips: Refer any C++ text book
www.geeksforgeeks.com- for any technical interview
www.indiabix.com for puzzles
Round: HR Interview
Tips: Don't just simply say that you are hardworking,punctual etc.Elab
College Name: NIT Surathkal
Skills evaluated in this interview
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