How can you best resolve this problem? After the address of a certain client computer is updated, you notice that a local DNS server is resolving the name of the computer incorrectly from the cached information.
A. At the DNS server, type the command dnscmd /clearcache. B. Restart the DNS Client service on the client computer. C. At the client computer, type ipconfig /flushdns. D. Restart all DNS client computers.
At the dns server, type the command dnscmd /clearcache.-a. correct: this command flushes the dns server cache. if you know that a dns server is responding to queries with outdated cache data, its best to clear the server cache. this way, the next time the dns server receives a query for the name, it will attempt to resolve that name by querying other computers.b. incorrect: restarting the dns client service will flush the dns client cache on the computer in question. it wont affect the way the dns server responds to the query for that computers name.c. incorrect: typing ipconfig /flushdns simply clears the dns client cache. it wont affect the way the dns server responds to the query for that computers name.d. incorrect: restarting all client computers will not fix the problem. it merely has the effect of clearing the dns client cache on all computers. this could fix problems related to outdated client cache data, but it will not fix the problem on the dns server itself.