wk1 dns

Question 1

To add a PTR record that points the IP address 192.168.0.4 to mail.example.com, which zone would you modify?
Select one:
a. com.example.mail
b. example.com
c. 0.168.192.in-addr.arpa 
d. I don't know.
e. 192.168.0.in-addr.arpa

Answer 1

0.168.192.in-addr.arpa

Question 2

Yudith runs a small web-hosting company. She has added and removed several zones manually but has accidentally deleted a zone belonging to a cPanel account. Fortunately, this zone did not contain any custom records. Given the situation, which of the following WHM interfaces should she utilize to re-create the zone?

Select one:

a. WHM » DNS Functions » Edit a DNS Zone.
b. WHM » DNS Functions » Add a DNS Zone.
c. This can only be done from the command line.
d. I don’t know.
e. WHM » DNS Functions » Reset a DNS Zone.

Answer 2

WHM » DNS Functions » Reset a DNS Zone.

Question 3

What does a TXT type DNS record do?
Select one:
a. Opens notepad on the User’s computer.
b. I don’t know.
c. Contains textual information that can be queried from the DNS.
d. Returns a list of all DNS records for the queried zone.
e. Sends information to other DNS servers about what domains it is hosting.

Answer 3

Contains textual information that can be queried from the DNS.

Question 4

What portion of a DNS zone is used to inform other nameservers that a change to the zone has occurred?
Select one:
a. Serial
b. Expiry
c. Refresh
d. TTL 
e. I don't know.

Answer 4

Serial

Question 5

After you update a zone's serial number (or any other record), which of the following commands can you execute to ensure that your local nameserver has been updated to use the new zone data?
Select one:
a. named --refresh
b. I don't know.
c. rndc --load
d. rndc refresh
e. rndc reload

Answer 5

rndc reload

Question 6

Which DNS server allows cPanel users to use DNSSEC?
Select one:
a. MyDNS
b. Power DNS
c. DNS ONLY
d. I don't know. 
e. nsd

Answer 6

Power DNS

Question 7

In which of the following cases is DNSSEC usable in a cPanel & WHM environment?
Select one:
a. DNSSEC is enabled in cPanel and at the registrar
b. DNSSEC is automatically enabled for every domain automatically
c. I don’t know.
d. DNSSEC is enabled at the registrar of the domain only
e. DNSSEC is enabled in cPanel only

Answer 7

DNSSEC is enabled at the registrar of the domain only

Question 8

iRegistrant information associated with domain names is maintained in an online database accessible with what service?
Select one:
a. ICANN
b. WHOIS 
c. InterNIC
d. NIS
e. I don't know.

Answer 8

WHOIS

Question 9

When terminating an account that has been moved to another server in the same cluster, what option must be selected to avoid issues?
Select one:
a. Delete Local DNS Zone Only
b. Keep DNS Zone
c. I don't know. 
d. Cluster-Safe Deletion
e. No special options are required

Answer 9

Keep DNS Zone

Question 10

What does a CNAME type DNS record do?
Select one:
a. Is used to generate key signature data for outgoing packets.
b. I don’t know.
c. Allows you to see the name of the server that is being queried.
d. Points to another Fully Qualified Domain Name. Is used to ‘follow’ another FQDN.
e. Is used to send non address or textual binary information across the DNS.

Answer 10

Points to another Fully Qualified Domain Name. Is used to ‘follow’ another FQDN.