CNIT 242 CERTIFICATION SCRIPT 2026
QUESTIONS WITH SOLUTIONS GRADED A+
◍ In what scenario would a vSwitch have zero pnics, and why is this
configuration acceptable?.
Answer: A vSwitch may have zero pnics when not needed for VM-to-VM
connectivity within the server. This configuration is acceptable as it
optimizes resource utilization for internal communication within the server.
◍ What is a notable component of VMware ESX Server that extends its
functionality?.
Answer: VMware ESX Server includes a "Service Console" that extends its
functionality, integrating extensions to the Linux kernel.
◍ What is a key requirement regarding storage visibility for a host to perform
vMotion?.
Answer: A host performing vMotion must have visibility to all storage
types, including Fibre Channel, iSCSI, or NAS.
◍ What is vMotion and Storage vMotion used for?.
Answer: Live VM movement
◍ What is the preferred method for separation in the vSphere networking setup
concerning iSCSI and NAS/NFS networks?.
Answer: Physical separation is the preferred method for separating iSCSI
networks from NAS/NFS networks in the vSphere networking setup.
◍ What is one major advantage of automated fail-over in virtualization?.
Answer: Automated fail-over increases system reliability by ensuring
minimal downtime and uninterrupted service even if a server failure occurs.
◍ In terms of virtual disk layout, what is a characteristic of Thick Provisioned
(Lazy Zeroed) and Thick Provisioned (Eager Zeroed)?.
, Answer: Both Thick Provisioned (Lazy Zeroed) and Thick Provisioned
(Eager Zeroed) have a higher chance of having contiguous file blocks in
their virtual disk layout.
◍ What advantage does Client-Based Architecture typically offer concerning
host hardware?.
Answer: It typically allows the best support for host hardware, including
sound cards, USB ports, and other peripherals.
◍ What is a requirement regarding the accessibility of the virtual machine's
swap file for vMotion?.
Answer: If the virtual machine's swap file is not accessible to the destination
host, vSphere vMotion must be able to create a swap file accessible to the
destination host before migration can begin.
◍ How does virtualization contribute to increased capacity and scalability?.
Answer: Virtual members of a cluster can dynamically start or stop as
needed to meet the current demand, a fundamental aspect of cloud
computing.
◍ How does virtualization enable seamless server mobility across different
hardware platforms?.
Answer: Virtualization allows a server to move seamlessly between different
hardware platforms without requiring changes to drivers or configurations.
◍ How does the future of system virtualization look in terms of its
significance?.
Answer: Virtualization is expected to remain a key technology in the
foreseeable future due to its powerful management and cost models.
◍ What is the role of virtualization software in the context of hardware
emulation?.
Answer: Virtualization software emulates hardware, providing a virtual
representation that guest operating systems use as if it were real hardware.
◍ What is vSphere vMotion?.
Answer: When the virtual machine is powered on
, ◍ When did IBM start virtualization and why?.
Answer: IBM initiated virtualization in the 1960s to partition large
mainframe-based systems with VM/370.
◍ How can ESXi be configured to run in a diskless environment?.
Answer: ESXi can be configured to run diskless, meaning it doesn't require
local storage devices, by booting remotely over the network.
◍ What is a significant concern regarding a single point of failure in
virtualization?.
Answer: In virtualization, a single point of failure arises when the host
operating system (OS) crashes, resulting in all Virtual Machines (VMs)
crashing as well. Similarly, if the host hardware fails, all VMs hosted on that
hardware also fail.
◍ How can one optimize the vSphere networking setup concerning iSCSI and
NAS/NFS networks?.
Answer: To optimize the vSphere networking setup, it's recommended to
separate iSCSI networks from NAS/NFS networks. Physical separation is
preferred, but if not possible, VLANs can be used.
◍ How can a user access the ESXi interface for management and
configuration?.
Answer: Access to the ESXi interface is accomplished via VMware vSphere
Client, which is used for management and configuration.
◍ How does Bare-Metal Architecture manage system resources and user
interfaces?.
Answer: It typically offers a small console for management, making it more
efficient than hosted architectures.
◍ How is an action defined within the access control system?.
Answer: An action is defined through a "privilege," which specifies a
particular action that can be performed.
◍ What does device and I/O virtualization encompass in system
QUESTIONS WITH SOLUTIONS GRADED A+
◍ In what scenario would a vSwitch have zero pnics, and why is this
configuration acceptable?.
Answer: A vSwitch may have zero pnics when not needed for VM-to-VM
connectivity within the server. This configuration is acceptable as it
optimizes resource utilization for internal communication within the server.
◍ What is a notable component of VMware ESX Server that extends its
functionality?.
Answer: VMware ESX Server includes a "Service Console" that extends its
functionality, integrating extensions to the Linux kernel.
◍ What is a key requirement regarding storage visibility for a host to perform
vMotion?.
Answer: A host performing vMotion must have visibility to all storage
types, including Fibre Channel, iSCSI, or NAS.
◍ What is vMotion and Storage vMotion used for?.
Answer: Live VM movement
◍ What is the preferred method for separation in the vSphere networking setup
concerning iSCSI and NAS/NFS networks?.
Answer: Physical separation is the preferred method for separating iSCSI
networks from NAS/NFS networks in the vSphere networking setup.
◍ What is one major advantage of automated fail-over in virtualization?.
Answer: Automated fail-over increases system reliability by ensuring
minimal downtime and uninterrupted service even if a server failure occurs.
◍ In terms of virtual disk layout, what is a characteristic of Thick Provisioned
(Lazy Zeroed) and Thick Provisioned (Eager Zeroed)?.
, Answer: Both Thick Provisioned (Lazy Zeroed) and Thick Provisioned
(Eager Zeroed) have a higher chance of having contiguous file blocks in
their virtual disk layout.
◍ What advantage does Client-Based Architecture typically offer concerning
host hardware?.
Answer: It typically allows the best support for host hardware, including
sound cards, USB ports, and other peripherals.
◍ What is a requirement regarding the accessibility of the virtual machine's
swap file for vMotion?.
Answer: If the virtual machine's swap file is not accessible to the destination
host, vSphere vMotion must be able to create a swap file accessible to the
destination host before migration can begin.
◍ How does virtualization contribute to increased capacity and scalability?.
Answer: Virtual members of a cluster can dynamically start or stop as
needed to meet the current demand, a fundamental aspect of cloud
computing.
◍ How does virtualization enable seamless server mobility across different
hardware platforms?.
Answer: Virtualization allows a server to move seamlessly between different
hardware platforms without requiring changes to drivers or configurations.
◍ How does the future of system virtualization look in terms of its
significance?.
Answer: Virtualization is expected to remain a key technology in the
foreseeable future due to its powerful management and cost models.
◍ What is the role of virtualization software in the context of hardware
emulation?.
Answer: Virtualization software emulates hardware, providing a virtual
representation that guest operating systems use as if it were real hardware.
◍ What is vSphere vMotion?.
Answer: When the virtual machine is powered on
, ◍ When did IBM start virtualization and why?.
Answer: IBM initiated virtualization in the 1960s to partition large
mainframe-based systems with VM/370.
◍ How can ESXi be configured to run in a diskless environment?.
Answer: ESXi can be configured to run diskless, meaning it doesn't require
local storage devices, by booting remotely over the network.
◍ What is a significant concern regarding a single point of failure in
virtualization?.
Answer: In virtualization, a single point of failure arises when the host
operating system (OS) crashes, resulting in all Virtual Machines (VMs)
crashing as well. Similarly, if the host hardware fails, all VMs hosted on that
hardware also fail.
◍ How can one optimize the vSphere networking setup concerning iSCSI and
NAS/NFS networks?.
Answer: To optimize the vSphere networking setup, it's recommended to
separate iSCSI networks from NAS/NFS networks. Physical separation is
preferred, but if not possible, VLANs can be used.
◍ How can a user access the ESXi interface for management and
configuration?.
Answer: Access to the ESXi interface is accomplished via VMware vSphere
Client, which is used for management and configuration.
◍ How does Bare-Metal Architecture manage system resources and user
interfaces?.
Answer: It typically offers a small console for management, making it more
efficient than hosted architectures.
◍ How is an action defined within the access control system?.
Answer: An action is defined through a "privilege," which specifies a
particular action that can be performed.
◍ What does device and I/O virtualization encompass in system
