CompTIA CV0-003 Practice Test Questions ( Updated) – Real Exam Questions & Dumps PDF
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CompTIA CV0-003 Sample Questions – Free Practice Test & Real Exam Prep
Question #1
A Cloud administrator needs to reduce storage costs. Which of the following would BEST help the
administrator reach that goal?
A. Enabling compression
B. Implementing deduplication
C. Using containers
D. Rightsizing the VMS
Answer: B Explanation: The correct answer is B. Implementing deduplication would best help the administrator reduce
storage costs. Deduplication is a technique that eliminates redundant copies of data and stores only one unique
instance of the dat a. This can reduce the amount of storage space required and lower the storage costs. Deduplication
can be applied at different levels, such as file-level, block-level, or object-level. Deduplication can
also improve the performance and efficiency of backup and recovery operations. Enabling compression is another technique that can reduce storage costs, but it may not be as
effective as deduplication, depending on the type and amount of data. Compression reduces the size
of data by applying algorithms that remove or replace redundant or unnecessary bits. Compression
can also affect the quality and accessibility of the data, depending on the compression ratio and
method. Using containers and rightsizing the VMs are techniques that can reduce compute costs, but not
necessarily storage costs. Containers are lightweight and portable units of software that run on a
shared operating system and include only the necessary dependencies and libraries. Containers can
reduce the overhead and resource consumption of virtual machines (VMs), which require a full
operating system for each instance. Rightsizing the VMs means adjusting the CPU, memory, disk, and
network resources of the VMs to match their workload requirements. Rightsizing the VMs can
optimize their performance and utilization, and avoid overprovisioning or underprovisioning.
Question #2
A technician is trying to delete six decommissioned VMs. Four VMs were deleted without issue.
However, two of the VMs cannot be deleted due to an error. Which of the following would MOST
likely enable the technician to delete the VMs?
A. Remove the snapshots
B. Remove the VMs' IP addresses
C. Remove the VMs from the resource group
D. Remove the lock from the two VMs
Answer: D
Explanation: Removing the lock from the two VMs is what would most likely enable the technician to delete the
VMs that cannot be deleted due to an error. A lock is a feature that prevents certain actions or
operations from being performed on a resource or service, such as deleting, modifying, moving, etc.
A lock can help to protect a resource or service from accidental or unwanted changes or removals.
Removing the lock from the two VMs can enable the technician to delete them by allowing the
delete action or operation to be performed on them.
Question #3
A systems administrator is configuring updates on a system. Which of the following update branches
should the administrator choose to ensure the system receives updates that are maintained for at
least four years?
A. LTS
B. Canary
C. Beta
D. Stable
Answer: A
Explanation: LTS (Long Term Support) is the update branch that the administrator should choose to ensure the
system receives updates that are maintained for at least four years. An update branch is a category or
group of updates that have different characteristics or features, such as frequency, stability, duration,
etc. An update branch can help customers to choose the type of updates that suit their needs and
preferences. LTS is an update branch that provides updates that are stable, reliable, and secure, and
are supported for a long period of time, usually four years or more. LTS can help customers who
value stability and security over new features or functions, and who do not want to change or
upgrade their systems frequently.
Question #4
A company that performs passive vulnerability scanning at its transit VPC has detected a vulnerability
related to outdated web-server software on one of its public subnets. Which of the following can the
use to verify if this is a true positive with the LEAST effort and cost? (Select TWO).
A. A network-based scan
B. An agent-based scan
C. A port scan
D. A red-team exercise
E. A credentialed scan
F. A blue-team exercise
G. Unknown environment penetration testing
Answer: BE Explanation: The correct answer is B and E. An agent-based scan and a credentialed scan can help verify if the
vulnerability related to outdated web-server software is a true positive with the least effort and cost.
An agent-based scan is a type of vulnerability scan that uses software agents installed on the target
systems to collect and report data on vulnerabilities. This method can provide more accurate and
detailed results than a network-based scan, which relies on network traffic analysis and probes1. An
agent-based scan can also reduce the network bandwidth and performance impact of scanning, as
well as avoid triggering false alarms from intrusion detection systems2. A credentialed scan is a type of vulnerability scan that uses valid login credentials to access the target
systems and perform a more thorough and comprehensive assessment of their configuration, patch
level, and vulnerabilities. A credentialed scan can identify vulnerabilities that are not visible or
exploitable from the network level, such as missing updates, weak passwords, or misconfigured
services3. A credentialed scan can also reduce the risk of false positives and false negatives, as well
as avoid causing damage or disruption to the target systems3. A network-based scan, a port scan, a red-team exercise, a blue-team exercise, and unknown
environment penetration testing are not the best options to verify if the vulnerability is a true
positive with the least effort and cost. A network-based scan and a port scan may not be able to
detect the vulnerability if it is not exposed or exploitable from the network level. A red-team
exercise, a blue-team exercise, and unknown environment penetration testing are more complex,
time-consuming, and costly methods that involve simulating real-world attacks or defending against
them. These methods are more suitable for testing the overall security posture and resilience of an
organization, rather than verifying a specific vulnerability4.
Question #5
A company needs to migrate the storage system and batch jobs from the local storage system to a
public cloud provider. Which of the following accounts will MOST likely be created to run the batch
processes?
A. User
B. LDAP
C. Role-based
D. Service
Answer: D
Explanation: A service account is what will most likely be created to run the batch processes that migrate the
storage system and batch jobs from the local storage system to a public cloud provider. A service
account is a special type of account that is used to perform automated tasks or operations on a
system or service, such as running scripts, applications, or processes. A service account can provide
benefits such as:
Security: A service account can have limited or specific permissions and roles that are required to
perform the tasks or operations, which can prevent unauthorized or malicious access or actions.
Efficiency: A service account can run the tasks or operations without any human intervention or
interaction, which can save time and effort.
Reliability: A service account can run the tasks or operations consistently and accurately, which can
reduce errors or failures.
Question #6
A company had a system compromise, and the engineering team resolved the issue after 12 hours.
Which of the following information will MOST likely be requested by the Chief Information Officer
(CIO) to understand the issue and its resolution?
A. A root cause analysis
B. Application documentation
C. Acquired evidence
D. Application logs
Answer: A
Explanation: A root cause analysis is what will most likely be requested by the Chief Information Officer (CIO) to
understand the issue and its resolution after a system compromise that was resolved by the
engineering team after 12 hours. A root cause analysis is a technique of investigating and identifying
the underlying or fundamental cause or reason for an incident or issue that affects or may affect the
normal operation or performance of a system or service. A root cause analysis can help to
understand the issue and its resolution by providing information such as:
What happened: This describes what occurred during the incident or issue, such as symptoms,
effects, impacts, etc.
Why it happened: This explains why the incident or issue occurred, such as triggers, factors,
conditions, etc.
How it was resolved: This details how the incident or issue was fixed or mitigated, such as actions,
steps, methods, etc.
How it can be prevented: This suggests how the incident or issue can be avoided or reduced in the
future, such as recommendations, improvements, changes, etc.
Question #7
A systems administrator has received an email from the virtualized environment's alarms indicating
the memory was reaching full utilization. When logging in, the administrator notices that one out of
a five-host cluster has a utilization of 500GB out of 512GB of RAM. The baseline utilization has been
300GB for that host. Which of the following should the administrator check NEXT?
A. Storage array
B. Running applications
C. VM integrity
D. Allocated guest resources
Answer: D
Explanation: Allocated guest resources is what the administrator should check next after receiving an email from
the virtualized environment's alarms indicating the memory was reaching full utilization and noticing
that one out of a five-host cluster has a utilization of 500GB out of 512GB of RAM. Allocated guest
resources are the amount of resources or capacity that are assigned or reserved for each guest
system or device within a host system or device. Allocated guest resources can affect performance
and utilization of host system or device by determining how much resources or capacity are available
or used by each guest system or device. Allocated guest resources should be checked next by
comparing them with the actual usage or demand of each guest system or device, as well as
identifying any overallocation or underallocation of resources that may cause inefficiency or wastage.
Question #8
A systems administrator adds servers to a round-robin, load-balanced pool, and then starts receiving
reports of the website being intermittently unavailable. Which of the following is the MOST likely
cause of the issue?
A. The network is being saturated.
B. The load balancer is being overwhelmed.
C. New web nodes are not operational.
D. The API version is incompatible.
E. There are time synchronization issues.
Answer: C
Explanation: New web nodes are not operational is the most likely cause of the issue of website being
intermittently unavailable after adding servers to a round-robin, load-balanced pool. A round-robin,
load-balanced pool is a method of distributing network traffic evenly and sequentially among
multiple servers or nodes that provide the same service or function. A round-robin, load-balanced
pool can help to improve performance, availability, and scalability of network applications or services
by ensuring that no server or node is overloaded or underutilized. New web nodes are not
operational if they are not configured properly or functioning correctly to provide web service or
function. New web nodes are not operational can cause website being intermittently unavailable by
disrupting the round-robin, load-balanced pool and creating inconsistency or unreliability in web
service or function.
Question #9
A systems administrator is working in a globally distributed cloud environment. After a file server VM
was moved to another region, all users began reporting slowness when saving files. Which of the
following is the FIRST thing the administrator should check while troubleshooting?
A. Network latency
B. Network connectivity
C. Network switch
D. Network peering
Answer: A
Explanation: Network latency is the first thing that the administrator should check while troubleshooting slowness
when saving files after a file server VM was moved to another region in a globally distributed cloud
environment. Network latency is a measure of how long it takes for data to travel from one point to
another over a network or connection. Network latency can affect performance and user experience
of cloud applications or services by determining how fast data can be transferred or processed
between clients and servers or vice versa. Network latency can vary depending on various factors,
such as distance, bandwidth, congestion, interference, etc. Network latency can increase when a file
server VM is moved to another region in a globally distributed cloud environment, as it may increase
the distance and decrease the bandwidth between clients and servers, which may result in delays or
errors in data transfer or processing.
Question #10
A cloud engineer is deploying a server in a cloud platform. The engineer reviews a security scan
report. Which of the following recommended services should be disabled? (Select TWO).
A. Telnet
B. FTP
C. Remote login
D. DNS
E. DHCP
F. LDAP
Answer: AB Explanation: Telnet and FTP are two services that should be disabled on a cloud server because they are insecure
and vulnerable to attacks. Telnet and FTP use plain text to transmit data over the network, which
means that anyone who can intercept the traffic can read or modify the data, including usernames,
passwords, commands, files, etc. This can lead to data breaches, unauthorized access, or malicious
actions on the server1. Instead of Telnet and FTP, more secure alternatives should be used, such as SSH (Secure Shell) and
SFTP (Secure File Transfer Protocol). SSH and SFTP use encryption to protect the data in transit and
provide authentication and integrity checks for the communication. SSH and SFTP can prevent
eavesdropping, tampering, or spoofing of the data and ensure the confidentiality and privacy of the
server2. The other options are not services that should be disabled on a cloud server:
Option C: Remote login. Remote login is a service that allows users to access a remote server from
another location using a network connection. Remote login can be useful for managing, configuring,
or troubleshooting a cloud server without having to physically access it. Remote login can be secured
by using encryption, authentication, authorization, and logging mechanisms3. Option D: DNS (Domain Name System). DNS is a service that translates human-friendly domain
names into IP addresses that can be used to communicate over the Internet. DNS is essential for
resolving the names of the cloud resources and services that are hosted on the cloud platform. DNS
can be secured by using DNSSEC (DNS Security Extensions), which add digital signatures to DNS
records to verify their authenticity and integrity. Option E: DHCP (Dynamic Host Configuration Protocol). DHCP is a service that assigns IP addresses
and other network configuration parameters to devices on a network. DHCP can simplify the
management of IP addresses and avoid conflicts or errors in the network. DHCP can be secured by
using DHCP snooping, which filters out unauthorized DHCP messages and prevents rogue DHCP
servers from assigning IP addresses. Option F: LDAP (Lightweight Directory Access Protocol). LDAP is a service that stores and organizes
information about users, devices, and resources on a network. LDAP can provide identity
management and access control for the cloud environment. LDAP can be secured by using LDAPS
(LDAP over SSL/TLS), which encrypts the LDAP traffic and provides authentication and integrity
checks.
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