CNIT 34220 Final Exam 2026
Exam Questions and Answers |
Already Graded A+
DNS - ANSWER ✔✔Domain Name System
What is the purpose of Name Resolution - ANSWER ✔✔Mapping
station names back to IP addresses
What is a host file used for? - ANSWER ✔✔A host file contains static
name resolutions. It is common to both DNS host names.
What standard does DNS follow - ANSWER ✔✔IETF Standard (RFC
881/882/883)
True or false: DNS is hierarchical in nature - ANSWER ✔✔True:
,DNS servers report to other DNS servers above them, until they hit the
root sever
What is the traditional DNS approach? - ANSWER ✔✔Static Domain
Name resolution
Which of these does NOT describe static name resolution?
-Hard Coded list of names and IP Addresses
-Assumes a station always has the same IP address
-Works well with Manual or BOOTP
-Works well with DHCP - ANSWER ✔✔Works well with DHCP
True or False:
"host.subdomain(s).top_level_domain" is the correct form for DNS Name
Space Structure - ANSWER ✔✔True
How many characters are in a DNS domain? - ANSWER ✔✔63
How many levels of a domain does DNS support? - ANSWER
✔✔127
,What character is used to separate domain levels? - ANSWER
✔✔the period ( . )
True or False:
Each domain level can be the same but it is common practice to make
them unique. - ANSWER ✔✔False. It must be unique.
How is authority handed down in DNS name space structure? -
ANSWER ✔✔Top level to lower level
Draw a diagram explaining how DNS works - ANSWER
✔✔Acceptable responses include a depiction of the DNS Hierarchy and
numbered paths explaining requests and responses.
What group manages the top level domains - ANSWER ✔✔InterNIC
Name some traditional top level domains - ANSWER ✔✔.edu, .com,
.gov, .mil, .org, .us
List some of the newer top level domains - ANSWER ✔✔.biz, .info,
.name, .pro, .aero, .coop, .museum
Who holds the second level domain authority - ANSWER ✔✔the
domain owner
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2026. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3
, Who can create subdomains - ANSWER ✔✔The domain owner
True or false:
Domains map back to the names used in the DNS hierarchy -
ANSWER ✔✔True
True or False:
A zone manages methods for domain representation - ANSWER
✔✔False:
Zones represent the method used to manage domains
What is the purpose of a zone? - ANSWER ✔✔A zone is authoritative
for a domain or sub-domain
Where are sub-domains stored? - ANSWER ✔✔Sub-domains can
have their own zone OR stores within a single zone
Each second level domain server requires how many authoritative
servers? - ANSWER ✔✔At least two
Exam Questions and Answers |
Already Graded A+
DNS - ANSWER ✔✔Domain Name System
What is the purpose of Name Resolution - ANSWER ✔✔Mapping
station names back to IP addresses
What is a host file used for? - ANSWER ✔✔A host file contains static
name resolutions. It is common to both DNS host names.
What standard does DNS follow - ANSWER ✔✔IETF Standard (RFC
881/882/883)
True or false: DNS is hierarchical in nature - ANSWER ✔✔True:
,DNS servers report to other DNS servers above them, until they hit the
root sever
What is the traditional DNS approach? - ANSWER ✔✔Static Domain
Name resolution
Which of these does NOT describe static name resolution?
-Hard Coded list of names and IP Addresses
-Assumes a station always has the same IP address
-Works well with Manual or BOOTP
-Works well with DHCP - ANSWER ✔✔Works well with DHCP
True or False:
"host.subdomain(s).top_level_domain" is the correct form for DNS Name
Space Structure - ANSWER ✔✔True
How many characters are in a DNS domain? - ANSWER ✔✔63
How many levels of a domain does DNS support? - ANSWER
✔✔127
,What character is used to separate domain levels? - ANSWER
✔✔the period ( . )
True or False:
Each domain level can be the same but it is common practice to make
them unique. - ANSWER ✔✔False. It must be unique.
How is authority handed down in DNS name space structure? -
ANSWER ✔✔Top level to lower level
Draw a diagram explaining how DNS works - ANSWER
✔✔Acceptable responses include a depiction of the DNS Hierarchy and
numbered paths explaining requests and responses.
What group manages the top level domains - ANSWER ✔✔InterNIC
Name some traditional top level domains - ANSWER ✔✔.edu, .com,
.gov, .mil, .org, .us
List some of the newer top level domains - ANSWER ✔✔.biz, .info,
.name, .pro, .aero, .coop, .museum
Who holds the second level domain authority - ANSWER ✔✔the
domain owner
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2026. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3
, Who can create subdomains - ANSWER ✔✔The domain owner
True or false:
Domains map back to the names used in the DNS hierarchy -
ANSWER ✔✔True
True or False:
A zone manages methods for domain representation - ANSWER
✔✔False:
Zones represent the method used to manage domains
What is the purpose of a zone? - ANSWER ✔✔A zone is authoritative
for a domain or sub-domain
Where are sub-domains stored? - ANSWER ✔✔Sub-domains can
have their own zone OR stores within a single zone
Each second level domain server requires how many authoritative
servers? - ANSWER ✔✔At least two
