John works as a network security officer in Gentech Inc. The company uses a TCP/IP network. While working on the network, a problem occurs related to the DNS resolution. Which of the following utilities can he use to diagnose the problem?
John works as a network security officer in Gentech Inc. The company uses a TCP/IP network. While working on the network, a problem occurs related to the DNS resolution. Which of the following utilities can he use to diagnose the problem?
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