D. Workbook
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The program Nslookup, is available on all operating systems and provides all types of information from a DNS server and allows you to query all types of information from a DNS server and change how your system uses DNS.
The network administration command-line tool nslookup can be used to verify that your DNS servers can resolve external domain names.
Answer:
I believe it is medical telemetry
Answer:
True.
Explanation:
A Central office or local office in Metropolitan cities is a building or an office where the phone lines coming from a home or office are terminated and connected to a bigger switching system.Central office got the switching equipment which holds the ability to switch calls long-distances or locally.Hence we conclude that the answer is True.