A network technician needs to configure IP addressing in a Class C network with eight subnets total: three for 60 hosts, three for 15 hosts, two for seven hosts. Which of the following solutions should the technician use to accomplish this task?

Rationale

VLSM allows for efficient subnetting in a Class C network.

Variable Length Subnet Masking (VLSM) enables the technician to create subnets of varying sizes within the same Class C network. This flexibility is crucial for accommodating different numbers of hosts per subnet, such as the specified needs for 60, 15, and 7 hosts.

A (CIDR) YOUR ANSWER

Classless Inter-Domain Routing (CIDR) is a method for allocating IP addresses and routing IP packets that can be used to create more efficient IP address distribution. However, it does not specifically address the need for creating subnets of varying sizes within a single network, making it less suitable than VLSM for this task.

B (APIPA) YOUR ANSWER

Automatic Private IP Addressing (APIPA) is a feature used by Windows operating systems to assign IP addresses when a DHCP server is unavailable. It automatically assigns an address in the 169.254.0.0/16 range. APIPA is not relevant for configuring a Class C network with specified subnet requirements, as it does not provide control over subnetting or host numbers.

C (VLSM) CORRECT

VLSM stands for Variable Length Subnet Masking, which allows the technician to create subnets of different sizes based on specific host requirements. In this case, VLSM can be utilized to allocate the appropriate number of IP addresses for each group of hosts while optimizing the use of the available address space in the Class C network.

D (RFC 1918) YOUR ANSWER

RFC 1918 defines private IP address spaces for use within private networks. While it outlines ranges that could be used for subnetting, it does not provide the specific methodology needed to efficiently allocate different subnet sizes for varying host requirements within a Class C network.

Conclusion

To efficiently configure IP addressing for a Class C network with varying host requirements, the technician should utilize VLSM. This method allows for the creation of subnets tailored to the exact number of needed hosts, facilitating optimal use of IP addresses while maintaining network organization. Other options, such as CIDR, APIPA, and RFC 1918, do not provide the necessary flexibility for this specific subnetting task.

A network technician needs to configure IP addressing in a Class C network with eight subnets total: three for 60 hosts, three for 15 hosts, two for seven hosts. Which of the following solutions should the technician use to accomplish this task?

VLSM allows for efficient subnetting in a Class C network.

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