1.7 Describe Private IPv4 Addressing 200-301 Practice Questions (Page 3)

Questions 11–15

1. 11foundation · easy

   What is the primary purpose of private IPv4 addresses?

   • ATo conserve public IPv4 address space by allowing many networks to reuse the same address blocks internally
   • BTo encrypt data as it travels across the internet
   • CTo replace the need for IPv6 by providing an unlimited number of unique addresses
   • DTo provide globally unique addresses that can be routed on the public internet
   Reveal Solution Discussion Select an answer first
2. 12application · medium

   An administrator is reviewing the IP addressing plan for a branch office. The office has 200 devices, and the administrator wants to use a private IPv4 block that is within the RFC 1918 ranges and can accommodate the devices with room for growth. Which block should the administrator select?

   • A172.16.0.0/24
   • B10.0.0.0/24
   • C10.1.0.0/16
   • D192.168.1.0/25
   Reveal Solution Discussion Select an answer first
4. 13application · medium

   A network administrator is explaining to a junior engineer why the company uses private IP addresses internally. Which statement accurately describes the primary purpose of private IPv4 addressing?

   • AIt eliminates the need for NAT in all networks.
   • BIt provides a globally unique address for every device on the internet.
   • CIt increases the security of the network by encrypting all traffic.
   • DIt conserves public IPv4 address space by allowing many devices to share a smaller number of public addresses.
   Reveal Solution Discussion Select an answer first
5. 14foundation · easy

   What is a key characteristic of private IPv4 addresses?

   • AThey are not routable on the public internet and must be translated or proxied for external communication.
   • BThey are automatically assigned to all devices on a network without any configuration.
   • CThey are globally unique and can be routed on the public internet.
   • DThey are only used for multicast communication within a local network.
   Reveal Solution Discussion Select an answer first
6. 15application · medium

   A company's internal web server has the private IP address 172.20.10.5. Remote employees need to access this server from the internet. What must be configured to allow this access?

   • AA DNS record that maps the server's private IP to its hostname
   • BA firewall rule that permits traffic to any private IP address
   • CA static NAT mapping on the edge router that translates a public IP to 172.20.10.5
   • DA VPN tunnel from the server to the internet
   Reveal Solution Discussion Select an answer first