Update cnaf-annual-report-2018.tex with net

cnaf-annual-report-2018.tex

@@ -186,7 +186,7 @@ Introducing the sixth annual report of CNAF...
 %\ia{Data management and storage systems}{storage}
 %\ia{Evaluation of the ClusterStor G200 Storage System}{seagate}
 %\ia{Activity of the INFN CNAF Long Term Data Preservation (LTDP) group}{ltpd}
-%\ia{The INFN Tier 1: Network}{net}
+\ia{The INFN-Tier1: Network and Security}{net}
 %\ia{Cooling system upgrade and Power Usage Effectiveness improvement in the INFN CNAF Tier 1 infrastructure}{infra}
 %\ia{National ICT Services Infrastructure and Services}{ssnn1}
 %\ia{National ICT Services hardware and software infrastructures for Central Services}{ssnn2}