Questions

1. (a) What type of DNS record maps hostnames to IPv4 addresses? (b) What type of DNS record maps hostnames to IPv6 addresses? (c) What type of record is used in reverse-DNS lookups?
2. (a) What can happen if a DNS record contains false information? (b) What is a method we can use to prevent that from happening?
3. (a) Name the two services available in pfSense for DNS. (b) What is the default service in the current version?
4. (a) What port does DNS use? (b) What protocol does DNS use?
5. What option on the DNS Resolver allows us to configure the service to resolve specific hostnames differently?
6. What are the two forms of DDNS supported by pfSense?
7. Under what circumstances might you want to configure pfSense’s NTP service?
8. What command-line utility can be used to make sure the preferred NTP service is running?
9. (a) In SNMP, what software is running on the managed devices? ...