A technician is attempting to resolve an issue with users on the network not being able to access websites. The technician pings the default gateway and DNS servers successfully. Pinging a website by URL is unsuccessful but using a known IP address is successful. Which of the following will resolve the issue?
A. Update the HOST file with the URLs for all websites
B. Use NSLOOKUP to resolve URLs
C. Ensure ICMP messages can pass through the firewall
D. Enable port 53 on the firewall
Answer: D. Enable port 53 on the firewall
Computer Science & Information Technology
You might also like to view...
MC The W3C develops recommendations which are:
a) innovative hardware designs b) software products c) documents specifying the rules and syntax of a technology d) None of the above
Computer Science & Information Technology
To avoid duplicating code, use ________, rather than ________.
a. inheritance, the “copy-and-past” approach. b. the “copy-and-paste” approach, inheritance. c. a class that explicitly extends Object, a class that does not extend Object. d. a class that does not extend Object, a class that explicitly extends Object.
Computer Science & Information Technology