EPSO IT/ICT case studies
EPSO IT/ICT · Put your knowledge to work in context.
This independent study page provides practice for EPSO IT/ICT. Its editorial learning areas include ICT quantitative and textual reasoning under supplied assumptions; Computing Systems; Cloud concepts, architecture and service models; Programming and Software Development; Data, Databases, and Information Retrieval; Intelligent search, learning and evaluation; Cyber-risk identification and analysis; Identity, access and cryptographic protection; Security operations, monitoring and response. The EPSO IT/ICT case studies are 6 cases and about 3,097 words.
1An even redistribution is a model rather than a capacity test
A fictional cluster has eight equal-capacity nodes and serves twenty-four thousand requests per minute under a supplied even-distribution model. Two nodes become unavailable, and the exercise assumes the same total demand is distributed evenly among the remaining six.
162 words, under 1 min2The Memory Hierarchy Upgrade Committee
A high school robotics team runs a simulation on 40 single-board computers. Each board has a 32 KB L1 cache with a 1-cycle hit time, a unified L2 cache with a 10-cycle hit time, and 100-cycle main memory.
609 words, about 3 min3The Recursive Path Counter That Freezes at 25 by 25
A student in a Java programming class writes a recursive method to count unique paths across a grid for a game. The method is: static long paths(int r, int c) { if (r == 0 c == 0) return 1; return paths(r-1, c) + paths(r, c-1); } It returns correct answers for 5×5 and 10×10 grids.
704 words, about 4 min4The Slow Catalog Query
A public library's catalog database has 2.4 million rows in a table with columns id, title, author, year, subject, and checked out. The web catalog runs this query about 40 times per second: SELECT id, title FROM books WHERE author = ?
613 words, about 3 min5Candidate Records at East Mercia Examinations Board
East Mercia Examinations Board stores records for 25,000 candidates. Each record contains an 8-digit candidate number, a 60-character name, and nine paper marks that are integers from 0 to 100.
803 words, about 4 min6A control comparison with explicit effectiveness and uncertainty
A fictional organization estimates the value exposed by one defined incident scenario at five hundred thousand currency units and the fraction lost in one successful incident at forty percent. Its classroom model estimates an annualized incident rate of one half, and the exercise asks for expected annual loss rather than a prediction that exactly half an incident occurs each year.
206 words, about 1 min