nerdexam
CompTIA

CAS-002 · Question #126

A small company hosting multiple virtualized client servers on a single host is considering adding a new host to create a cluster. The new host hardware and operating system will be different from…

The correct answer is A. Increased customer data availability. Adding a second host with compatible virtualization technology to form a cluster with shared iSCSI storage is a standard high-availability architecture designed to keep customer virtual machines accessible during host failures.

Technical Integration of Enterprise Components

Question

A small company hosting multiple virtualized client servers on a single host is considering adding a new host to create a cluster. The new host hardware and operating system will be different from the first host, but the underlying virtualization technology will be compatible. Both hosts will be connected to a shared iSCSI storage solution. Which of the following is the hosting company MOST likely trying to achieve?

Options

  • AIncreased customer data availability
  • BIncreased customer data confidentiality
  • CIncreased security through provisioning
  • DIncreased security through data integrity

How the community answered

(38 responses)
  • A
    87% (33)
  • B
    3% (1)
  • C
    5% (2)
  • D
    5% (2)

Why each option

Adding a second host with compatible virtualization technology to form a cluster with shared iSCSI storage is a standard high-availability architecture designed to keep customer virtual machines accessible during host failures.

AIncreased customer data availabilityCorrect

A two-node virtualization cluster connected to shared iSCSI storage allows virtual machines to fail over automatically from one host to the other if a hardware or operating system failure occurs, increasing uptime and ensuring that customer data and services remain continuously available despite node-level outages.

BIncreased customer data confidentiality

Confidentiality involves protecting data from unauthorized access through mechanisms such as encryption and access controls, neither of which is achieved by adding a second host to a cluster.

CIncreased security through provisioning

Security through provisioning refers to automated and secure configuration management of resources, which is not the primary function of a clustering and shared-storage architecture.

DIncreased security through data integrity

Data integrity ensures that information remains accurate and unaltered, which is addressed by hashing and checksums, not by clustering hosts for failover redundancy.

Concept tested: Virtualization clustering for high availability and uptime

Source: https://csrc.nist.gov/publications/detail/sp/800-125a/final

Topics

#high availability#virtualization clustering#iSCSI#shared storage

Community Discussion

No community discussion yet for this question.

Full CAS-002 Practice