CommScope Software Engineering Senior Analyst Interview Questions and Answers

Easy-medium level and it included two coding questions and some technical questions

Q1. How are structures and classes stored?
Ans. 
Structures and classes are stored in memory as a combination of data members and member functions.
• Structures and classes are stored in memory as a combination of data members and member functions.

• Data members of a structure or class are stored in contiguous memory locations.

• Member functions of a class are stored separately in memory and are shared among all instances of the class.

• Pointers to member functions are used t...read more
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Q2. What is final and finalize?
Ans. 
final is a keyword in Java used to restrict inheritance, overriding, and modification. finalize is a method used for cleanup operations before an object is garbage collected.
• final keyword is used to declare constants, prevent inheritance by marking a class as final, and prevent method overriding by marking a method as final

• finalize method is called by the garbage collector before an object is destroyed

• Example: final in...read more
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Basi aptitude and coding mcq

Q1. What is hashmap
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Q1. Find nth elements from last in linked list
Ans. 
Use two pointers to find the nth element from the end of a linked list.
• Use two pointers, one moving n steps ahead of the other

• When the first pointer reaches the end, the second pointer will be at the nth element from the end
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Q2. Difference between hashmap and concurrent hashmap
Ans. 
HashMap is not thread-safe while ConcurrentHashMap is thread-safe and allows concurrent access.
• HashMap is not thread-safe and can lead to ConcurrentModificationException if accessed by multiple threads simultaneously.

• ConcurrentHashMap allows concurrent access by multiple threads without the need for external synchronization.

• ConcurrentHashMap achieves thread-safety by dividing the map into segments, allowing multiple th...read more
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Q1. Tell me about your past experience?
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Q1. What's is Use in 5G technology
Ans. 
5G technology is the fifth generation of mobile networks, offering faster speeds, lower latency, and increased capacity for data transmission.
• 5G technology enables faster download and upload speeds compared to 4G LTE.

• It provides lower latency, meaning faster response times for data transmission.

• 5G networks have increased capacity to support more devices and data traffic.

• Use cases for 5G technology include enhanced mobi...read more
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Q2. What is The TCP model
Ans. 
The TCP model is a networking model that stands for Transmission Control Protocol.
• Consists of four layers: Process/Application, Host-to-Host, Internet, and Network Access

• Focuses on reliable communication between devices

• Used in conjunction with the IP protocol to establish connections and transfer data

• Example: Sending an email using SMTP protocol over TCP/IP
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Q3. What is the OIC model
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The OIC model stands for Object, Interaction, and Control model used in software engineering to represent the structure and behavior of a system.
• OIC model is used to represent the structure and behavior of a system in software engineering.

• Object refers to the entities in the system, Interaction represents the relationships between objects, and Control defines the flow of control between objects.

• It helps in designing an...read more
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Q4. What is the Wireless Technology
Ans. 
Wireless technology refers to communication technology that allows devices to communicate without the need for physical connections.
• Uses radio waves or infrared signals to transmit data

• Examples include Wi-Fi, Bluetooth, and NFC

• Enables mobility and flexibility in device connectivity
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Q1. What's this hai
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Q2. Then I am Already
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Q3. They are you doing in
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Q4. Which is the best for
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Q5. Thank you for your information
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Q6. Thank you for your information and is the best for your information and is
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Queue question - create queue from array

Q1. Working structure preference
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Q2. Salary preference
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Q3. No more questions
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Questions were asked

Dsa dp, graphs and many more questions from arrays and linked list were asked

The coding test was for 90 mins, and comprised of questions from topics such as DP and hashtables. It was taken on hackerrank platform

Q1. One question related to hashing (particularly about hashcode and equals method)
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Q2. A variation of number of connected islands from graph
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Q1. Thread synchronisation, print alternate numbers using 5 different threads
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Q2. C++ Related questions were asked, in which I was asked about how can I find the size of Object, difference between malloc and calloc. What are semaphores and how are they used
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