LPIC 2 DNS Administration Certification Quiz

1. What is the purpose of the NS record in a DNS zone?

Map hostnames to IP addresses

Identify authoritative nameservers for the zone

Specify mail server locations

Create domain aliases

2. What is the primary difference between a primary and secondary nameserver?

Primary serves more queries; secondary is backup only

Primary holds the authoritative zone file; secondary copies it via transfer

Primary handles IPv4; secondary handles IPv6

Primary is internal; secondary is external

Submit

4. Which command reloads the BIND configuration without restarting the service?

Rndc reload

Systemctl reload bind9

Named -reload

Both a and b

5. What is the function of an ACL (Access Control List) in BIND?

Define which clients can perform zone transfers

Encrypt DNS traffic

Cache DNS records

Monitor DNS queries

Submit

7. Which tool can be used to verify DNSSEC signatures and check zone signing status?

Dig +dnssec

Dnssec-verify

Bind-check

Zone-audit

8. What does the TTL (Time To Live) value in a DNS record indicate?

The maximum number of hops for a query

The time in seconds a record can be cached

The priority of the DNS server

The date when the record expires

Submit

10. Which BIND view allows you to serve different DNS data based on the client's IP address?

Zone view

Client view

Acl view

Split-view

11. Which BIND configuration file typically contains the main DNS server settings and zone definitions?

Named.conf

Resolv.conf

Hosts.conf

Dns.config

Submit

13. Which file contains the root nameserver addresses that BIND uses for recursive queries?

Named.conf

Db.root or named.root

Root.dns

Nameserver.list

14. What command is used to query a specific nameserver for DNS records?

Nslookup or dig

Host -s

Resolve -q

Dns-query

Submit

16. Which directive in named.conf defines the location of zone files?

17. What is the primary purpose of DNSSEC?

Encrypt all DNS queries

Authenticate DNS responses and prevent DNS spoofing

Block malicious domain names

Cache DNS records for faster resolution

Submit

19. Which zone transfer method allows a secondary nameserver to request only changed records since the last transfer?

Full zone transfer (AXFR)

Incremental zone transfer (IXFR)

Partial zone transfer (PXFR)

Delta zone transfer (DXFR)

20. What DNS record type maps a domain name to an IPv6 address?

A record

AAAA record

PTR record

CNAME record

LPIC 2 Domain Name Server Administration Quiz

1. What is the purpose of the NS record in a DNS zone?

2.

What first name or nickname would you like us to use?

2. What is the primary difference between a primary and secondary nameserver?

3. A ____ query is one where the client requests that the nameserver perform a full recursive lookup on its behalf.

4. Which command reloads the BIND configuration without restarting the service?

5. What is the function of an ACL (Access Control List) in BIND?

6. The ____ record type specifies the responsible person for a DNS zone.

7. Which tool can be used to verify DNSSEC signatures and check zone signing status?

8. What does the TTL (Time To Live) value in a DNS record indicate?

9. A ____ record is used for reverse DNS lookups to map IP addresses back to hostnames.

10. Which BIND view allows you to serve different DNS data based on the client's IP address?

11. Which BIND configuration file typically contains the main DNS server settings and zone definitions?

12. The ____ field in an SOA record specifies the email address of the DNS administrator.

13. Which file contains the root nameserver addresses that BIND uses for recursive queries?

14. What command is used to query a specific nameserver for DNS records?

15. A ____ record creates an alias for an existing domain name.

16. Which directive in named.conf defines the location of zone files?

17. What is the primary purpose of DNSSEC?

18. The ____ record type specifies the mail server responsible for receiving email for a domain.

19. Which zone transfer method allows a secondary nameserver to request only changed records since the last transfer?

20. What DNS record type maps a domain name to an IPv6 address?