Associate VMware Data Center Virtualization (1V0-21.20) Questions and Answers|Accurate|Verified 2026

Associate VMware Data Center Virtualization (1V0-
21.20) Questions and Answers

Which VMware product provides centralized management of ESXi hosts?
A. vSAN
B. vCenter Server
C. NSX
D. vSphere Client
Answer: B. vCenter Server

What is the default hypervisor used in VMware Data Center Virtualization?
A. Hyper-V
B. KVM
C. ESXi
D. Xen
Answer: C. ESXi

Which feature allows automatic restart of VMs on another host after a host failure?
A. vMotion
B. DRS
C. HA
D. Fault Tolerance
Answer: C. HA

Which VMware technology provides software-defined storage?
A. vSAN
B. vMotion
C. NSX
D. vCenter
Answer: A. vSAN

Which protocol is commonly used for vMotion traffic?
A. UDP
B. TCP/IP
C. ICMP
D. HTTP
Answer: B. TCP/IP

Which vSphere feature balances workloads across hosts automatically?
A. HA
B. DRS
C. vSAN
D. vCenter Linked Mode

,Answer: B. DRS

Which tool is used to manage ESXi hosts directly without vCenter?
A. vSphere Web Client
B. vSphere Client (Host Client)
C. vSAN Manager
D. NSX Manager
Answer: B. vSphere Client (Host Client)

Which VMware feature provides zero downtime during VM migration?
A. vMotion
B. Storage vMotion
C. HA
D. Fault Tolerance
Answer: A. vMotion

Which component stores VM configuration files and virtual disks?
A. vCenter Database
B. Datastore
C. vSAN Witness
D. NSX Edge
Answer: B. Datastore

Which VMware feature creates a duplicate VM that runs simultaneously for failover?
A. HA
B. Fault Tolerance
C. DRS
D. vSAN
Answer: B. Fault Tolerance

Which VMware tool is used for patching and upgrading ESXi hosts?
A. vSphere Update Manager
B. vSAN Manager
C. NSX Manager
D. vSphere Client
Answer: A. vSphere Update Manager

Which type of datastore uses local disks on ESXi hosts?
A. VMFS
B. NFS
C. iSCSI
D. vSAN
Answer: A. VMFS

Which VMware feature allows migration of VM storage without downtime?
A. vMotion

, B. Storage vMotion
C. HA
D. DRS
Answer: B. Storage vMotion

Which protocol is commonly used for NFS datastores?
A. iSCSI
B. TCP/IP
C. Fibre Channel
D. SMB
Answer: B. TCP/IP

Which vSphere feature ensures compliance with resource allocation policies?
A. HA
B. DRS
C. Resource Pools
D. Fault Tolerance
Answer: C. Resource Pools

Which VMware product provides network virtualization?
A. vSAN
B. NSX
C. vCenter
D. ESXi
Answer: B. NSX

Which vSphere feature allows administrators to set VM restart priorities?
A. HA
B. DRS
C. Fault Tolerance
D. vMotion
Answer: A. HA

Which VMware tool provides a command-line interface for ESXi management?
A. vSphere Client
B. vCLI
C. vSAN Manager
D. NSX Manager
Answer: B. vCLI

Which VMware feature allows cloning of a VM to create an identical copy?
A. vMotion
B. Snapshot
C. Clone
D. Template
Answer: C. Clone