13. 下列何者為企業可即時偵測並監控網路內部的異常行為,所建置資安系統用以收集防火牆、伺服器等日誌(Logs)彙整後進行關聯性分析?(A) SIEM(Security Information and Event Management)(B) WAF(Web Application Firewall)(C) DLP(Data Loss Prevention)(D) VPN(Virtual Private Network)