WorksheetsDNS
Total questions: 40
Worksheet time: 30mins
Which records must be registered at the TLD name server?
A records
NS records
CNAME records
TXT records
Which record is also known as an "Alias Record"?
A Record
SOA Record
CNAME Record
NS Record
Which of the following can CNAME records NOT be used for?
The root record for a domain
An alias to an A record
A subdomain
The 'www' record for a domain
Which record type is associated with Reverse DNS?
AAAA record
SPF record
PTR record
NS record
Which record is responsible for mapping a domain name to an IP address?
A record
NS record
MX record
SPF record
What does DNS stand for?
Domain Notification system
Don't Name Servers
Domain Name System
Domain Name Server
Define DNS
A server which stores networks.
A server which stores just website domain names
A server which stores website domain names and their IP addresses.
A server which stores just IP adressess.
What is the purpose of a DNS?
It translates a website's domain name into its IP address.
It gives you a domain name.
It translates a website's IP address into its domain name
It transfers information from a computer to another server.
How does a DNS operate?
When you type in a HTML, the SPI looks up the IP address, finds the matching domain name and sends it back.
When you type in a URL, the ISP looks up the domain name, finds the matching IP address and sends it back.
When you type in a URL, the ISP looks up the IP address, finds the matching domain name and sends it back.
When you type in a HTML, the SPI looks up the domain name, finds the matching IP address and sends it back.
What 2 advantages does the system provide?
It allows users to use the internet without remembering IP addresses.
Its the easiest system to understand.
It allows the correct servers to be contacted.
It provides extra knowledge.
What are 2 disadvantages?
If a master server is broken, then it would be hard to access the webpage.
Its slow
Its easily damaged.
Its popular among hackers.
The entire hostname has a maximum of ___________
255 characters
127 characters
63 characters
31 characters
Which of the following uses a 128-bit addressing scheme?
MAC
DHCP
IPv4
IPv6
Which of the following DNS records would allow for a website to have more than one FQDN? (alias)
TXT
MX
PTR
CNAME
Which of the following DNS record types provides the hostname to IP address mapping?
A record
NS record
CNAME record
MX record
Which of the following DNS records would be queried to locate a company’s mail server?
A
MX
AAAA
CNAME
Which of the following is the definition of a DNS server?
Hosts proprietary business applications
Translates FQDN’s to IP addresses
Provides network IDS/IPS security
Assigns IP addresses to network devices
HIDE ANSWER
Which of the following DNS records would a web browser access to determine the IP address of an Internet web page?
CNAME
A
MX
PTR
Which of the following network protocols is used to resolve FQDNs to IP addresses?
DNS
DHCP
FTP
APIPA
DHCP is abbreviation of
Dynamic Hazard Configuration Protocol
Domestic Host Configuration Protocol
Dynamic Host Configuration Protocol
Dynamic Host Connection Private
What is the purpose of an IP Address ?
A unique identifier for a computer
A unique location identifier
A network location identifier
There are ______ bits in an octet?
8
32
4
16
Given the IP address 152.16.168.196/28, is the IP address 162.16.168.30 in the same network.
Yes
No
What is the format of IP address?
34 bit
16 bit
64 bit
32 bit
How many version /s of IP’s are there?
4 versions
3 versions
2 versions
1 version
IPv6 address has how many bits.
64 bits
128 bits
32 bits
256 bits
Many desktops and operating systems include which protocol?
IPv6 protocol
IPv4 protocol
Both IPv6 and IPv4 protocol
IPv3 protocol
Domains help the user to know where the information is coming from.
Is this sentence correct?
Correct
Incorrect
.com .org and .net are more reliable than .edu and .gov.
Is this sentence true or false?
True
False
If you include a domain (e.g. org) in your search on Google, will you find more or less better results?
less better results
more possibilities
Nothing
What sequence represents only country domains?
br, cn, us, co, org, uk
br, fr, ar, us, uk, pt
br, cn, fr, it, net, us
The domains 'cn, br and uk' identify what countries?
Croatia, Bosnia and United Kingdom
Cingapore, Brazil and United Kingdom
China, Brazil and United Kingdom
The domain .edu stands for:
Education
Educational
Academic Institution
Anyone can create a website using...
.gov
.edu
.net
What does .com mean?
Commerce Business
Commecial Businesses
Commecial Business
The domain .gov stands for:
Education
Goverment
Academic Institution
If a country decides to create a website in order to report all its accomplishments and expenses; the website will have to be created with ....
.org and the country domain
.edu and the country domain
.gov and the country domain.
Which of the following servers is used to convert host names into IP addresses?
Network server
DNS server
Web server
File server
Which of the following is a system used for naming computers and network services that are organized into a hierarchy of domains?
NAP
DNS
NPS
DCS
DHCP (dynamic host configuration protocol) provides __________ to the client.
IP address
MAC address
URL
None of the mentioned
