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CV0-004 · topic practice

Troubleshooting practice questions

Practise CompTIA Cloud+ CV0-004 Troubleshooting practice questions — original exam-style scenarios with answer choices, explanations, and analysis of common mistakes.

Courseiva uses original exam-style practice questions designed for learning and revision. The goal is to understand the concepts, recognise exam patterns, and improve through explanations — not memorise copied exam dumps.

Reviewed byJohnson Ajibi· MSc IT Security
20 questionsDomain: Troubleshooting
Practice 10 questionsBrowse domain →

What the exam tests

What to know about Troubleshooting

Troubleshooting questions test whether you can apply the concept in context, not just recognise a definition.

How the topic appears in realistic exam-style scenarios.

Which detail in the question changes the correct answer.

How to eliminate plausible but wrong options.

How to connect the question back to the wider exam objective.

Watch out for

Common Troubleshooting exam traps

  • ▸Answering from memory before reading the full scenario.
  • ▸Missing a constraint such as cost, availability, security, scope or command context.
  • ▸Choosing a broad answer when the question asks for the most specific fix.
  • ▸Ignoring why the wrong options are tempting.

Practice set

Troubleshooting questions

20 questions · select your answer, then reveal the explanation

Question 1mediummultiple choice
Study the full virtualization explanation →

A cloud administrator receives an alert that a virtual machine (VM) is unresponsive. The VM is hosted on a hypervisor that shows high CPU ready time. Which of the following is the most likely cause?

Question 2hardmultiple choice
Read the full Troubleshooting explanation →

A company is designing a multi-cloud disaster recovery solution. They need to ensure RPO of 15 minutes and RTO of 1 hour for critical workloads. Which of the following should be implemented?

Question 3easymultiple choice
Read the full Troubleshooting explanation →

A cloud engineer notices that an application is running slower than expected. Monitoring shows that the CPU utilization is consistently below 30%, but memory usage is at 95%. Which of the following is the most likely cause of the performance issue?

Question 4mediummultiple choice
Review the full routing breakdown →

A cloud administrator is troubleshooting connectivity issues between two virtual networks in different regions. The VNets are peered, but instances cannot communicate. The administrator verifies that the peering status is 'Connected' and route tables appear correct. Which of the following should be checked next?

Question 5hardmultiple choice
Read the full Troubleshooting explanation →

A company is implementing a cloud governance strategy. They need to ensure that all resources are tagged with cost center and environment, and any untagged resources are automatically remediated. Which of the following best practices should be applied?

Question 6mediummulti select
Study the full virtualization explanation →

A cloud engineer is troubleshooting a VM that is experiencing high latency. The VM is hosted on a hypervisor with other VMs. Which TWO metrics should the engineer review to identify if resource contention is occurring?

Question 7hardmulti select
Read the full Troubleshooting explanation →

A company is migrating on-premises workloads to the cloud. They need to ensure high availability for a stateless web application across two availability zones. Which THREE components should be configured to meet this requirement?

Question 8easymultiple choice
Read the full Troubleshooting explanation →

Refer to the exhibit. An administrator runs the command shown and receives the output. The administrator wants to ensure the VM uses SSDs for the OS disk. Based on the output, what is the current storage type?

Network Topology
$ az vm listquery "[?name=='myVM']"Refer to the exhibit."name": "myVM","resourceGroup": "myRG","hardwareProfile": {"vmSize": "Standard_DS2_v2"},"storageProfile": {"osDisk": {"name": "myVM_OsDisk_1","createOption": "fromImage","managedDisk": {"storageAccountType": "Premium_LRS""provisioningState": "Succeeded"
Question 9mediummultiple choice
Review the full subnetting walkthrough →

Refer to the exhibit. A cloud engineer is troubleshooting network connectivity to a server with IP 10.0.0.5. The server is on the same subnet. Based on the iptables rules shown, what is the most likely cause of the connectivity failure?

Network Topology
0 0 DROP all* * 0.0.0.0/03 252 ACCEPT all5 420 ACCEPT alleth0 * 0.0.0.0/0Refer to the exhibit.$ iptables -L -n -v
Question 10hardmultiple choice
Read the full NAT/PAT explanation →

A company runs a critical e-commerce application on AWS. The architecture includes an Application Load Balancer (ALB) in front of an Auto Scaling group of EC2 instances across two Availability Zones. The instances are in a private subnet and use a NAT Gateway for outbound internet access. The application stores session data in an ElastiCache Redis cluster. During a flash sale, users report that the site is extremely slow and some requests time out. Monitoring shows the ALB's latency metric is high, and the number of healthy hosts fluctuates. The CPU utilization on the EC2 instances averages 60% and memory averages 70%. The Redis cluster's CPU utilization is 90%, and its memory usage is 95%. The NAT Gateway's metrics show high BytesOutToSource but no errors. Which of the following is the most likely cause of the performance issue?

Question 11easymultiple choice
Study the full virtualization explanation →

A cloud administrator notices that a virtual machine (VM) is running slowly. The hypervisor shows high CPU ready time for that VM. Which of the following is the most likely cause?

Question 12mediummultiple choice
Read the full Troubleshooting explanation →

A cloud engineer is troubleshooting an issue where users cannot connect to a web application hosted on a cloud VM. The VM's security group allows HTTP (port 80) from 0.0.0.0/0, and the VM's OS firewall is disabled. The engineer can ping the VM's public IP from the internet. What is the most likely cause of the issue?

Question 13hardmultiple choice
Read the full Troubleshooting explanation →

A company uses a hybrid cloud model with an AWS Direct Connect connection to its on-premises network. Users report intermittent connectivity to cloud resources. A network engineer finds packet loss on the Direct Connect virtual interface. Which of the following should be checked FIRST to resolve the issue?

Question 14mediummulti select
Read the full Troubleshooting explanation →

A cloud administrator receives an alert that a VM's disk usage is at 95%. The VM is running a critical database. Which TWO actions should the administrator take to resolve the issue while minimizing downtime?

Question 15hardmulti select
Read the full Troubleshooting explanation →

A cloud engineer is troubleshooting a performance issue where a web server cluster experiences high latency during peak hours. The cluster uses an auto-scaling group behind a load balancer. Which THREE steps should the engineer take to identify the root cause?

Question 16hardmultiple choice
Read the full NAT/PAT explanation →

A cloud technician is troubleshooting connectivity from a VM with IP 10.0.0.1 to another VM at 10.0.1.10 in a different subnet. The ping output shows 'Destination Host Unreachable'. Which of the following is the most likely cause?

Exhibit

Refer to the exhibit.

```
$ ping 10.0.1.10
PING 10.0.1.10 (10.0.1.10) 56(84) bytes of data.
From 10.0.0.1 icmp_seq=1 Destination Host Unreachable
From 10.0.0.1 icmp_seq=2 Destination Host Unreachable
```
Question 17easymultiple choice
Review the full routing breakdown →

A cloud administrator is configuring a Linux VM as a router. The iptables rules are shown. The administrator can SSH into the VM from the network but cannot forward traffic between interfaces. What is the most likely cause?

Exhibit

Refer to the exhibit.

```
$ iptables -L -n -v
Chain INPUT (policy ACCEPT 0 packets, 0 bytes)
 pkts bytes target     prot opt in     out     source               destination         
    0     0 DROP       all  --  *      *       0.0.0.0/0            0.0.0.0/0            state INVALID
  123  4567 ACCEPT     all  --  *      *       0.0.0.0/0            0.0.0.0/0            state ESTABLISHED,RELATED
    0     0 ACCEPT     tcp  --  *      *       0.0.0.0/0            0.0.0.0/0            tcp dpt:22

Chain FORWARD (policy DROP 0 packets, 0 bytes)
Chain OUTPUT (policy ACCEPT 0 packets, 0 bytes)
```
Question 18mediummultiple choice
Read the full Troubleshooting explanation →

A cloud engineer receives an alert that the root filesystem (/) is at 93% usage. The /data volume has plenty of free space. The application stores logs in /var/log/app/ on the root filesystem. Which of the following is the BEST long-term solution?

Exhibit

Refer to the exhibit.

```
$ df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/sda1        20G   18G  1.5G  93% /
/dev/sdb1       100G   20G   80G  20% /data
```
Question 19easymultiple choice
Read the full VPN explanation →

A company has a cloud-based application that uses a relational database. The database team performs daily backups to an on-premises storage system using a VPN connection. Recently, backups have been failing with timeout errors. The network team confirms the VPN is up and stable. Which of the following is the MOST likely cause?

Question 20hardmultiple choice
Read the full Troubleshooting explanation →

A cloud administrator is troubleshooting a web application hosted on a cloud virtual machine (VM) that is experiencing intermittent high latency during peak traffic hours. The application is deployed on a single VM instance with 4 vCPUs and 8 GB RAM, running a Linux OS. The VM is connected to a virtual network with a public IP. The administrator has verified that the application code is optimized and there are no memory leaks. CPU utilization remains below 50% during peaks, but network outbound traffic shows periodic spikes up to 500 Mbps. The VM's network interface is configured with a 1 Gbps bandwidth cap. The administrator suspects that the issue is related to network throttling or packet loss. Which of the following actions should the administrator take to resolve the issue?

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Frequently asked questions

What does the CV0-004 exam test about Troubleshooting?
Troubleshooting questions test whether you can apply the concept in context, not just recognise a definition.
How should I use these practice questions?
Select your answer before revealing the explanation. Then read why each option is right or wrong — this active recall approach builds retention far faster than re-reading notes.
Can I practise just Troubleshooting questions in a focused session?
Yes — the session launcher on this page draws every question from the Troubleshooting domain. Use a 10-question session first to gauge your baseline, then move to 20 or 30 once the weak spots are clear.
Where can I practise other CV0-004 topics?
Use the topic links above to move to related areas, or go back to the CV0-004 question bank to see all topics.
Are these real exam questions or dumps?
These are original practice questions written to test the same concepts the CV0-004 exam covers. They are not copied from any real exam or dump site.