Which letter-cluster will replace the question mark (?)

In a depth-first traversal of a tree or graph, what data structure is typically used to keep track of nodes to be visited next?

What is the main advantage of Network Attached Storage (NAS) technology?

Which recovery model in a database allows for point-in-time recovery using transaction logs?

Which command is used to search for a specific pattern in a file in a Unix/Linux system?

What is the decimal equivalent of the binary number 10101?

 Which number system is commonly used in mathematics and everyday life?

Which cryptographic system uses two different keys for encryption and decryption?

Which data processing technique is commonly used for handling large-scale data in distributed computing environments?

What is the primary design goal of a combinational circuit?

What happens when a program accesses data that is not currently in physical memory (RAM) due to virtual memory management?