πŸ”

CV0-004 β€” questions

Page 9 of 9 Β· 180 total questions.

Topic 1 Β· Question 164

Which of the following cloud services has the highest level of vendor lock-in?

  • AObject storage
  • BPaaS database (correct answer)
  • CVirtual machine
  • DFile server
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: PaaS database

Explanation

Platform as a service manages the underlying platform so customers focus on deploying applications and data.

Topic 1 Β· Question 165

A cloud engineer is developing an operating expense report that will be used to purchase various cloud billing models for virtual machine instances. The cloud billing model must meet the following requirements: β€’ The instance cannot be ephemeral. β€’ The minimum life cycle of the instance is expected to be five years. β€’ The software license is charged per physical CPU count. Which of the following best meets these requirements?

  • ADedicated host (correct answer)
  • BSpot instance
  • CPay-as-you-go
  • DResource metering
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Dedicated host

Topic 1 Β· Question 166

A system surpasses 75% to 80% of resource consumption. Which of the following scaling approaches is the most appropriate?

  • ATrending
  • BManual
  • CLoad (correct answer)
  • DScheduled
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Load

Topic 1 Β· Question 167

A security engineer recently discovered a vulnerability in the operating system of the company VMs. The operations team reviews the issue and decides all VMs need to be updated from version 3.4.0 to 3.5.0. Which of the following best describes the type of update that will be applied?

  • AConsistent
  • BPatch
  • CMinor (correct answer)
  • DEphemeral
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Minor This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 168

Which of the following costs would increase significantly for data transfer when comparing a multiregion to a single-region cloud platform design?

  • AStorage
  • BPower and cooling
  • CNetwork (correct answer)
  • DCompliance and regulation
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Network

Topic 1 Β· Question 169

An organization decides to migrate its software source code framework to microservices. Which of the following correctly describes this new approach?

  • APublic cloud-managed services
  • BTightly coupled architecture
  • CPrivate cloud-managed services
  • DLoosely coupled architecture (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Loosely coupled architecture

Topic 1 Β· Question 170

A software development team must manage changes to source code for different clients who utilize the same product with different features. Which of the following meets this requirement?

  • ABranch (correct answer)
  • BCommit
  • CPush
  • DMerge
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Branch

Topic 1 Β· Question 171

Which of the following would a customer most likely be accountable for in a shared responsibility model?

  • ASecurity of data in the data centers
  • BSecurity in the cloud (correct answer)
  • CSecurity of the application
  • DSecurity of the cloud
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Security in the cloud

Topic 1 Β· Question 172

A cloud engineer needs to enable monitoring on a virtual machine instance within a cloud service provider. The engineer must monitor the resources related to the amount of memory an application is utilizing. Which of the following metrics should the engineer monitor for memory as it relates to disk performance?

  • AHeap utilization
  • BSwap usage (correct answer)
  • CIOPS consumption
  • DQueue depth
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Swap usage

Topic 1 Β· Question 173

A development team is ready to release the latest version of an application. Which of the following strategies best ensures successful deployment without impacting the bandwidth of company resources?

  • ABlue-green
  • BA/Π’ testing
  • CRolling
  • DShadow (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Shadow

Topic 1 Β· Question 174

An engineer receives information about an application issue and reviews the events. The engineer decides to horizontally scale the application server. Which of the following would most likely explain the engineer's decision?

  • AThe web server reached the maximum number of TCP sessions.
  • BEphemeral storage for the server OS reached 90%.
  • CA runtime error in the application logs indicated a bug in the application.
  • DThe application server averages 50% CPU and spiked to 90% CPU. (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: The application server averages 50% CPU and spiked to 90% CPU. This option scales automatically to match demand.

Topic 1 Β· Question 175

A cloud engineer is selecting a model for a data center that will host a workload. The database must reside within the data center on the company's SAN solution. However, the workload will be hosted by a third-party vendor. Which of the following models should the cloud engineer select to meet these requirements?

  • ACommunity
  • BHybrid (correct answer)
  • CPublic
  • DPrivate
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Hybrid

Topic 1 Β· Question 176

A new major version of a package installed on a VM was recently released. Which of the following should a cloud engineer do first before applying the upgrade?

  • AReview for package dependencies
  • BRaise a change request (correct answer)
  • CInvestigate for any breaking changes
  • DVerify that patching the VM will not reset user data
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Raise a change request

Topic 1 Β· Question 177

A cloud engineer needs to choose a storage technology that fulfills the following requirements: β€’ 99.99% durability β€’ Resilient to instance failures β€’ Resilient to instance deletions Which of the following types of storage is the best option?

  • AEphemeral
  • BCache
  • CPersistent (correct answer)
  • DLocal
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Persistent By spanning multiple Availability Zones / adding redundancy, this option provides the high availability and resilience required.

Topic 1 Β· Question 178

A cloud engineer must improve the availability of a database for an application. The database must meet the following requirements: β€’ Failover capability in case of a data center outage β€’ Point-in-time data restoration capabilities Which of the following best meets these requirements?

  • AClustered database instance
  • BCached Redis cluster
  • CDatabase instance replica
  • DMulti-availability zone database instance (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Multi-availability zone database instance

Topic 1 Β· Question 179

A cloud administrator is implementing backups for a virtual file server with a large number of daily changes to files. The backups have historically caused performance issues on the server. As a result, the company has asked for backups to be completed as quickly as possible. The administrator opts for an incremental backup technology. Which of the following statements best explains the administrator's choice?

  • ADifferential backups cannot be used in conjunction with full backups
  • BDifferential backups are generally slower than incremental backups (correct answer)
  • CDifferential backups cannot be used for granular recovery.
  • DDifferential backups always consume more space than incremental backups
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Differential backups are generally slower than incremental backups

Explanation

An incremental backup stores changes since the most recent backup, minimizing backup time and storage. A differential backup stores changes since the last full backup and requires only the full plus latest differential to restore.

Topic 1 Β· Question 180

Which of the following types of releases best describes the update made to a code repository production release when it changes from version 1.0 to version 1.1?

  • AAlpha
  • BBeta
  • CMinor (correct answer)
  • DMajor
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Minor

Topic 1 Β· Question 181

A cloud engineer discovers that two nodes experience resource exhaustion during the holidays. This creates a denial of service on the web application. Adding a third node is not an option because of budgetary constraints. Which of the following scaling approaches helps minimize resource exhaustion?

  • AEvent trigger
  • BLoad trigger
  • CVertical scaling (correct answer)
  • DHorizontal scaling
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Vertical scaling

Topic 1 Β· Question 182

Which of the following allows network access to services deployed in a container?

  • AForward proxy
  • BNetwork orchestration
  • CHost affinity
  • DPort mapping (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Port mapping

Topic 1 Β· Question 183

Which of the following compute services is the best for quick and easy provisioning?

  • ACluster
  • BContainer (correct answer)
  • CServer less
  • DSnapshot
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Container

Explanation

A container packages an application and dependencies while sharing the host kernel for lightweight isolation.

Showing questions 161–180 of 180 Β· Page 9 of 9