A user tries to visit a website, but instead of the intended site, the page displays vmw.cba.com. Which of the following should be done to reach the correct website?
A CNAME (Canonical Name) record maps an alias to the correct fully qualified domain name (FQDN). If a user is redirected to the wrong hostname, correcting or updating the CNAME ensures the alias points to the proper domain.
B. PTR record maps IP to hostname (reverse DNS), not forward website resolution.
C. NTP relates to time sync, irrelevant to DNS resolution.
D. TXT record stores metadata like SPF or DKIM info, not used for hostname aliasing.
References (CompTIA Network+ N10-009):
Domain: Network Standards, Protocols, and Implementations — DNS record types (A, AAAA, CNAME, PTR, TXT).
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