CompTIA A+ Practice QuizRestartQuestion 20 of 20The command “ping” is used to test what in a network?A.The reachability and response time (latency) to another network hostB.The ability of DNS to resolve a hostname to IPC.The available bandwidth between two nodesD.Which ports on a server are open← Back to StartFinish QuizAd space (AdSense): place your ad unit here.