IP Address & DNS

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#1. What does the acronym "IP" stand for in the context of networking?

Internet Provider

Information Protocol

Internet Protocol

Integrated Processing

#2. In the IPv4 address format, how many bits are used to represent an IP address?

8 bits

16 bits

32 bits

64 bits

#3. Which of the following is a private IP address range specified by RFC 1918?

10.0.0.0 to 10.255.255.255

172.16.0.0 to 172.31.255.255

192.168.0.0 to 192.168.255.255

All of the above

#4. What is the primary purpose of DNS in computer networks?

Assigning IP addresses to devices

Translating domain names to IP addresses

Managing network security

Configuring routers and switches

#5. Which record type in the DNS is used to map domain names to IPv4 addresses?

CNAME

A (Address)

MX (Mail Exchange)

PTR

#6. What is the function of a DNS resolver?

It hosts DNS records for a domain

It translates domain names to IP addresses

It manages domain registration

It configures routers for DNS traffic

#7. The top-level domain (TLD) ".org" is commonly associated with:

Educational institutions

Government organizations

Non-profit organizations

Commercial businesses

#8. What is the purpose of the IPv6 protocol?

To replace IPv4 and increase the address space

To improve network speed

To enhance DNS functionality

To secure network communication

#9. Which of the following is a valid IPv6 address format?

192.168.1.1

FE80::1 (hexadecimal notation)

256.0.0.0

2001:XYZ:1234::5678

#10. The process of resolving a domain name to an IP address is known as:

IP masking

Domain masking

DNS resolution

IP translation

#11. What is the purpose of the DNS root server?

a) It stores all DNS records for a domain

b) It is the first point of contact in the DNS hierarchy

c) It manages domain registration

d) It resolves IP addresses to domain names

#12. Which protocol is commonly used for the secure transmission of data over the internet?

HTTP

HTTPS

FTP

SMTP

#13. The process of dividing an IP network into subnetworks to improve performance and security is known as:

IP fragmentation

Subnetting

IP masking

IP routing

#14. What is the purpose of the Reverse DNS (rDNS) lookup?

To map IP addresses to domain names

To verify the integrity of DNS records

To encrypt DNS traffic

To map domain names to IP addresses

#15. Which of the following is a valid IPv4 address?

192.256.1.1

300.100.50.25

172.31.45.255

10.0.0.256

#16. The term "subnet mask" is used to:

Hide a computer's IP address

Specify the range of IP addresses in a network

Encrypt DNS traffic

Assign domain names to IP addresses

#17. The DNS record type "MX" is used for:

Mapping domain names to IP addresses

Mail server configuration

Reverse DNS lookup

Subnetting

#18. In an IPv6 address, how many groups of hexadecimal digits are separated by colons?

#19. What is the primary purpose of Dynamic Host Configuration Protocol (DHCP)?

Assigning static IP addresses to devices

Automatically configuring devices with IP addresses

Encrypting DNS traffic

Resolving domain names to IP addresses

#20. The DNS record type "CNAME" (Canonical Name) is used for:

Alias or canonical names

Mail server configuration

Reverse DNS lookup

Subnetting

#21. Which of the following is a reserved IP address commonly used for loopback testing?

192.168.1.1

10.0.0.1

127.0.0.1

172.16.0.1

#22. What is the purpose of a DNS cache?

To store domain names permanently

To store recently resolved domain names and their corresponding IP addresses

To manage domain registration

To encrypt DNS traffic

#23. Which of the following is a top-level domain (TLD) used for educational institutions?

.com

.edu

.org

.gov

#24. The DNS record type "NS"( Name Server) is used for:

Mapping domain names to IP addresses

Authoritative nameserver configuration

Reverse DNS lookup

Subnetting

#25. What is the purpose of the "ping" command in networking?

To send emails

To test network connectivity

To configure DNS settings

To perform subnetting

#26. The process of translating a private IP address to a public IP address, typically used in home routers, is known as:

NAT (Network Address Translation)

DNS resolution

Subnetting

IP masking

#27. The DNS record type "TXT" is commonly used for:

Mapping domain names to IP addresses

Mail server configuration

Storing text-based information about a domain

Subnetting

#28. Which of the following is an example of a fully qualified domain name (FQDN)?

www

example

com

www.example.com

Finish