Senior Technology Specialist Interview Questions and Answers

I handle application slowness by identifying the root cause through node classification and implementing performance optimizations.

• Identify the specific node or component causing the slowness

• Analyze the performance metrics of the node to pinpoint bottlenecks

• Implement optimizations such as code refactoring, database tuning, or resource allocation adjustments

• Monitor the application post-optimization to ensure improvements

Awk is a powerful text processing tool used for pattern scanning and processing data.

• Awk is a scripting language primarily used for manipulating and analyzing text files.

• It operates on a line-by-line basis, processing each line and performing actions based on patterns.

• Awk is commonly used for tasks like data extraction, report generation, and text transformation.

• It supports various built-in functions and operators for string manipulation, arithmetic operations, and more.

• Awk c...read more

DHCP is a network protocol that automatically assigns IP addresses to devices on a network.

• DHCP stands for Dynamic Host Configuration Protocol

• Devices on a network send a DHCP request to a DHCP server

• The DHCP server then assigns an IP address to the device from a pool of available addresses

• The assigned IP address is leased to the device for a specific period of time

• DHCP also provides other network configuration information such as subnet mask and default gateway

The sed command is used for text manipulation in Unix.

• sed stands for stream editor

• It can perform operations like search, replace, insert, and delete on text files

• It uses regular expressions for pattern matching

• Commonly used flags include -e (execute script), -i (in-place editing), and -n (suppress automatic printing)

• Examples: sed 's/foo/bar/g' file.txt (replace all occurrences of 'foo' with 'bar' in file.txt)

• sed '/pattern/d' file.txt (delete all lines containing 'pattern' in ...read more

Active Directory is a directory service developed by Microsoft for Windows domain networks.

• Centralized database for managing network resources

• Stores information about users, computers, and other network objects

• Allows administrators to manage permissions and access control

• Facilitates single sign-on for users across different applications and services