The document discusses EXFO's Q4 2017 financial results and outlook. It notes that EXFO reported $63 million in revenue and $8.5 million in adjusted EBITDA for Q4 2017. The document also highlights several growth drivers for EXFO including fiber deployment, cloud computing, network virtualization and 5G networks. Finally, it summarizes why EXFO represents a good investment opportunity due to its positioning for growth, healthy profitability, strong balance sheet and leadership team.