Exam 70-740 topic 1 question 24 discussion

Note: This question is part of a series of questions that use the same scenario. For your convenience, the scenario is repeated in each question. Each question presents a different goal and answer choices, but the text of the scenario is exactly the same in each question in this series.
Your network contains an Active Directory domain named contoso.com. The functional level of the forest and the domain is Windows Server 2008 R2. All servers in the domain run Windows Server 2016 Standard. The domain contains 300 client computers that run either Windows 8.1 or Windows 10.
The domain contains nine servers that are configured as shown in the following table.

The virtual machines are configured as follows:
- Each virtual machine has one virtual network adapter.
- VM1 and VM2 are part of a Network Load Balancing (NLB) cluster.
- All of the servers on the network can communicate with all of the virtual machines.
On Server4, you plan to provision a new volume that will be used to create large, fixed-size VHDX files.
Which type of file system should you use for the new volume to minimize the amount of time required to create the VHDX files?