IP Address & DNS December 7, 2023 Contents Results - #1. What does the acronym "IP" stand for in the context of networking? Internet Provider Internet Provider Information Protocol Information Protocol Internet Protocol Internet Protocol Integrated Processing Integrated Processing #2. In the IPv4 address format, how many bits are used to represent an IP address? 8 bits 8 bits 16 bits 16 bits 32 bits 32 bits 64 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 10.0.0.0 to 10.255.255.255 172.16.0.0 to 172.31.255.255 172.16.0.0 to 172.31.255.255 192.168.0.0 to 192.168.255.255 192.168.0.0 to 192.168.255.255 All of the above All of the above #4. What is the primary purpose of DNS in computer networks? Assigning IP addresses to devices Assigning IP addresses to devices Translating domain names to IP addresses Translating domain names to IP addresses Managing network security Managing network security Configuring routers and switches Configuring routers and switches #5. Which record type in the DNS is used to map domain names to IPv4 addresses? CNAME CNAME A (Address) A (Address) MX (Mail Exchange) MX (Mail Exchange) PTR PTR #6. What is the function of a DNS resolver? It hosts DNS records for a domain It hosts DNS records for a domain It translates domain names to IP addresses It translates domain names to IP addresses It manages domain registration It manages domain registration It configures routers for DNS traffic It configures routers for DNS traffic #7. The top-level domain (TLD) ".org" is commonly associated with: Educational institutions Educational institutions Government organizations Government organizations Non-profit organizations Non-profit organizations Commercial businesses Commercial businesses #8. What is the purpose of the IPv6 protocol? To replace IPv4 and increase the address space To replace IPv4 and increase the address space To improve network speed To improve network speed To enhance DNS functionality To enhance DNS functionality To secure network communication To secure network communication #9. Which of the following is a valid IPv6 address format? 192.168.1.1 192.168.1.1 FE80::1 (hexadecimal notation) FE80::1 (hexadecimal notation) 256.0.0.0 256.0.0.0 2001:XYZ:1234::5678 2001:XYZ:1234::5678 #10. The process of resolving a domain name to an IP address is known as: IP masking IP masking Domain masking Domain masking DNS resolution DNS resolution IP translation IP translation #11. What is the purpose of the DNS root server? a) It stores all DNS records for a domain a) It stores all DNS records for a domain b) It is the first point of contact in the DNS hierarchy b) It is the first point of contact in the DNS hierarchy c) It manages domain registration c) It manages domain registration d) It resolves IP addresses to domain names d) It resolves IP addresses to domain names #12. Which protocol is commonly used for the secure transmission of data over the internet? HTTP HTTP HTTPS HTTPS FTP FTP SMTP SMTP #13. The process of dividing an IP network into subnetworks to improve performance and security is known as: IP fragmentation IP fragmentation Subnetting Subnetting IP masking IP masking IP routing IP routing #14. What is the purpose of the Reverse DNS (rDNS) lookup? To map IP addresses to domain names To map IP addresses to domain names To verify the integrity of DNS records To verify the integrity of DNS records To encrypt DNS traffic To encrypt DNS traffic To map domain names to IP addresses To map domain names to IP addresses #15. Which of the following is a valid IPv4 address? 192.256.1.1 192.256.1.1 300.100.50.25 300.100.50.25 172.31.45.255 172.31.45.255 10.0.0.256 10.0.0.256 #16. The term "subnet mask" is used to: Hide a computer's IP address Hide a computer's IP address Specify the range of IP addresses in a network Specify the range of IP addresses in a network Encrypt DNS traffic Encrypt DNS traffic Assign domain names to IP addresses Assign domain names to IP addresses #17. The DNS record type "MX" is used for: Mapping domain names to IP addresses Mapping domain names to IP addresses Mail server configuration Mail server configuration Reverse DNS lookup Reverse DNS lookup Subnetting Subnetting #18. In an IPv6 address, how many groups of hexadecimal digits are separated by colons? 4 4 6 6 8 8 10 10 #19. What is the primary purpose of Dynamic Host Configuration Protocol (DHCP)? Assigning static IP addresses to devices Assigning static IP addresses to devices Automatically configuring devices with IP addresses Automatically configuring devices with IP addresses Encrypting DNS traffic Encrypting DNS traffic Resolving domain names to IP addresses Resolving domain names to IP addresses #20. The DNS record type "CNAME" (Canonical Name) is used for: Alias or canonical names Alias or canonical names Mail server configuration Mail server configuration Reverse DNS lookup Reverse DNS lookup Subnetting Subnetting #21. Which of the following is a reserved IP address commonly used for loopback testing? 192.168.1.1 192.168.1.1 10.0.0.1 10.0.0.1 127.0.0.1 127.0.0.1 172.16.0.1 172.16.0.1 #22. What is the purpose of a DNS cache? To store domain names permanently To store domain names permanently To store recently resolved domain names and their corresponding IP addresses To store recently resolved domain names and their corresponding IP addresses To manage domain registration To manage domain registration To encrypt DNS traffic To encrypt DNS traffic #23. Which of the following is a top-level domain (TLD) used for educational institutions? .com .com .edu .edu .org .org .gov .gov #24. The DNS record type "NS"( Name Server) is used for: Mapping domain names to IP addresses Mapping domain names to IP addresses Authoritative nameserver configuration Authoritative nameserver configuration Reverse DNS lookup Reverse DNS lookup Subnetting Subnetting #25. What is the purpose of the "ping" command in networking? To send emails To send emails To test network connectivity To test network connectivity To configure DNS settings To configure DNS settings To perform subnetting 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) NAT (Network Address Translation) DNS resolution DNS resolution Subnetting Subnetting IP masking IP masking #27. The DNS record type "TXT" is commonly used for: Mapping domain names to IP addresses Mapping domain names to IP addresses Mail server configuration Mail server configuration Storing text-based information about a domain Storing text-based information about a domain Subnetting Subnetting #28. Which of the following is an example of a fully qualified domain name (FQDN)? www www example example com com www.example.com www.example.com Finish