</li><li> <a title="This task shows how operators can plug existing certificate and key into Istio CA." href="/v0.5/docs/tasks/security/plugin-ca-cert.html">Plugging in CA certificate and key</a></li></ul></li></ul></div></div></div><div class="card"><div class="card-header" role="tab" id="header65"> <a data-toggle="collapse" href="#collapse65" title="Guides include a variety of fully working example uses for Istio that you can experiment with." role="button" aria-controls="collapse65"><div> Guides</div></a