Describe the two ways in which to configure a Domain Name System (DNS) server.
What will be an ideal response?
Basically, you choose to configure a DNS server to work in one of two ways: as an authoritative DNS server or as a cache-only DNS server. Authoritative DNS servers store IP addresses and FQDNs of systems for a particular domain or domains. Cache-only DNS servers are never the authoritative server for a domain. They are only used to talk to other DNS servers to resolve IP addresses for DNS clients. Then they cache the FQDN to speed up future lookups.
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The condition in a switch statement may use an inequality operator to compare values.
Answer the following statement true (T) or false (F)
Based on Example1Sender.java, create a program Example1bSender.java which sends a message to the multicast address of the program Example1bReceiver.java. Compile the program, then start an Example1Receiver process, an Example1bReceiver process, an Example1Sender process, then an Example1bSender process. Describe the outcome, in particular which process receives which message(s).
This exercise is based on Example1 presented in this chapter.
Some browsers ignore the default value in a file box for security reasons.
Answer the following statement true (T) or false (F)
Passwords, Internet use, email attachments, software installation, instant messaging, and desktop configuration are areas of ______
a. Computer policies b. User policies c. Documentation d. Network policies