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ACA-Sec1 Alibaba Cloud ACA Cloud Security Associate Free Practice Exam Questions (2025 Updated)

Prepare effectively for your Alibaba Cloud ACA-Sec1 ACA Cloud Security Associate certification with our extensive collection of free, high-quality practice questions. Each question is designed to mirror the actual exam format and objectives, complete with comprehensive answers and detailed explanations. Our materials are regularly updated for 2025, ensuring you have the most current resources to build confidence and succeed on your first attempt.

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Total 147 questions

Which of the following issues will NOT be an issue anymore using Alibaba Cloud ECS server? Score 2

A.

server is under brute force password hacking

B.

hardware disk or memory broken

C.

infection by Trojan Virus

D.

application vulnerability being leveraged by hackers

Which of the following cloud services are the most common ones when we talk about different

types of Cloud service

A.

IaaS

B.

PaaS

C.

SaaS

D.

DaaS

Which of the following options can be considered as Data and Application security risks in IT

infrastructure

A.

Data integrity

B.

Data access control

C.

Data readiness

D.

Data encryption

Which of the following protection rules are provided by WAF to better protect from CC

attack? (the number of correct answers: 2)

A.

Loose

B.

Strict

C.

Normal

D.

Emergency

Which of the following protocols is not an application level protocol in ISO/OSI 7 layer

networking model?

A.

FTP

B.

TCP

C.

HTTP

D.

SNMP

Which of the following HTTP status code does reflect that the requested page does not exist?

A.

403

B.

404

C.

201

D.

304

Which of the following statements is NOT true about EIP and NAT gateway?

A.

NAT gateway can support multi servers inside VPC to access public internet through one

public IP

B.

EIP can be bind to different ECS servers at the same time

C.

Different EIP can't share bandwidth

D.

NAT gateway can support shared bandwidth between several ips

Security risk may caused by 'Cloud platform', 'ISV' or 'End user', which of the following options

are the possible risks may caused by Cloud Platform?

A.

Software development cycle is not formalized

B.

Security system overall solutions are not complete

C.

Administration tools on Cloud Platform may have some flaws

D.

Cloud platform console and API may lack of security hardenning

Alibaba Cloud will provide hot fix to address existing vulnerabilities. Which of the following

statements is true about this 'hot fix'?

A.

hot fix doesn't need to reboot physical host

B.

service will not be available during the hot fix

C.

hot fix means the host need to reach some temperature upper limit to be able to

proceed

D.

hot fix is transparent to end user

Which of the following Alibaba Cloud products need to be considered to use if you want to build

an elastic computing cluster to provide web service together and also with dynamic data and static

data separately stored

A.

ECS

B.

SLB

C.

RDS

D.

OSS

E.

KMS

Each host connecting to internet will face the potential attacks from internet as follows : ( the numbers of correct answers : 3)

A.

Brute Force password hacking

B.

Trojan planting

C.

Content Compliance Requirement

D.

Vulnerability scanning

E.

Lack of storage resource

Which command in Redhat Linux shell can be used to check if some specific string is included in a bunch of text files?

A.

Watch

B.

Find

C.

Grep

D.

Ca

User A rented 2 ECS server and one RDS in Alibaba Cloud to setup his company public

website. After the web site will become available online, the security risks he/she will face

will include: (the number of correct answers: 3)

A.

physical cable is cut by someone

B.

ECS admin password is hacked

C.

website codes has some vulnerability

D.

RDS DB got unknown remote logon

E.

the disk in ECS is broken

When we talk about 'security vulnerability' of ECS server, we are referring to: (the number of

correct answers: 3)

A.

OS vulnerability

B.

Hardware fault

C.

Application Vulnerability

D.

Hypervisor Vulnerability

E.

Data Center Serviceability

Which of the following options could NOT be the reason that causes website

tampering

A.

Share password between different users

B.

Botnet attack

C.

system vulnerability is not fixed in time

D.

Wrong security configuration

Which of following attacks could serve as a CC attack? (the number of correct answers: 3)

Score 1

A.

SYN flood

B.

ICMP flood

C.

One host simulate many IP addresses

D.

Attack through agent

E.

Zombie network

When 'Server Guard' detects remote logon behavior, what information will be

shown on 'Server Guard' console?

A.

Illegal Logon!

B.

Migrated Already!

C.

Logon Successfully!

D.

Remote Logon Detected!

Which of the IP addresses are private IP addresses? (Correct Answers: 2)

A.

192.169.1.1

B.

172.16.58.14

C.

10.44.10.45

D.

8.8.8.8

Which of the following shell command can be used to check disk usage in a Linux OS ECS

A.

Df –h

B.

Echo

C.

Free –m

D.

Ps –e –o

Which of the following statements about the supported way of MySQL DB for backup are

true?(the number of correct answers: 2)

A.

you can use 'mysqldump' do logical backup

B.

you can copy files directly to do physical backup

C.

you can use 'binlog' to do real time backup

D.

you must stop accessing to DB before you do logical backup

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Total 147 questions
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