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NEW QUESTION 57
Which of these options contains the three basic target categories for a DoS or a DDoS?

• A. Systems, memory, network access card
• B. Networks, systems and applications
• C. Network access card, applications, peripheral devices
• D. Resources, printers and storage devices

Answer: B

 

NEW QUESTION 58
Which of the following statements about HTTP protocol are true?(the number of correct answers: 2

• A. HTTP request supports methods like: GET, POST, PUT, HEAD, etc.
• B. HTTP protocol support state keeping
• C. HTTP is based on TCP/IP protocol
• D. Response code 200 in HTTP protocol means exception on server side

Answer: A,C

 

NEW QUESTION 59
What type of attack is likely occuring if you see a significant increase in network traffic and users complain that the web server is hung up?

• A. DoS
• B. MITM
• C. DNS spoofing
• D. Ping sweep

Answer: A

 

NEW QUESTION 60
For internet communication, to setup the connection and data transition between source and destination, which of the following information you will need? (the number of correct answers: 3) Score 1

• A. IP address
• B. Protocol
• C. Encryption algorism
• D. Router Location
• E. Port

Answer: A,B

 

NEW QUESTION 61
Which directory is the home directory of root user?

• A. /root
• B. /boot
• C. /
• D. /home/root

Answer: C

 

NEW QUESTION 62
Which of following statements is NOT true about anti-DDOS basics and anti-DDOS Pro?

• A. anti-DDOS pro is free to charge
• B. anti-DDOS pro can protect both inside and outside Alibaba Cloud servers
• C. both can defend DDOS attack
• D. anti-DDOS pro has more capabilities to defend against DDOS attacks

Answer: A,B

 

NEW QUESTION 63
Which of the following can be termed as the Denial of Service Attack? Choose the best answer.

• A. You keyboard is no longer responding
• B. Your Web server has gone into a loop trying to service a client request
• C. A computer on your network has crashed
• D. Your router is unable to find a destination outside of your network

Answer: B

 

NEW QUESTION 64
Alibaba Cloud will provide hot fix to address existing vulnerabilities. Which of the following statements is true about this 'hot fix'?

• A. service will not be available during the hot fix
• B. hot fix means the host need to reach some temperature upper limit to be able to proceed
• C. hot fix doesn't need to reboot physical host
• D. hot fix is transparent to end user

Answer: C

 

NEW QUESTION 65
Which commands can be used to reload the operation system? (Correct Answers: 2)

• A. reload
• B. init
• C. restart
• D. shutdown

Answer: C

 

NEW QUESTION 66
What is the correct action sequence of WAF protection strategy: (1) CC detection (2) Web application attack detection (3) Access control Score 2

• A. 0
• B. 1
• C. 2
• D. 3

Answer: B

 

NEW QUESTION 67
Which service in RedHat Linux OS can be used to build network firewall functionality?
Score 2

• A. ipfirewall
• B. iptables
• C. netstat
• D. linuxfw

Answer: B

 

NEW QUESTION 68
Which command in RedHat Linux shell can be used to check disk usage?

• A. diskSpace
• B. diskUsage
• C. ls
• D. df

Answer: D

 

NEW QUESTION 69
Which of the following statements about VLAN are NOT true?(the number of correct answers: 3) Score 1

• A. VlAN can enhance the network security and data isolation
• B. different VLAN means different physical location of switches
• C. VLAN configuration can be done through an TCP/IP router device
• D. users in different VLAN can connect each other directly without pre-configuration

Answer: B,C,D

 

NEW QUESTION 70
In Windows OS which command can be used to track IP route, including involved node and spent time on each hop?

• A. Tracert
• B. Traceroute
• C. Wroute
• D. Route

Answer: A

 

NEW QUESTION 71
18.in RedHat Linux shell which command can be used to check what file system is mounted and form what disk device it was done?

• A. Ppart
• B. Fdisk
• C. mount
• D. Du

Answer: C

 

NEW QUESTION 72
Which of the following damages can't be caused by a DDOS attack
Score 2

• A. DNS service down
• B. physical server broken
• C. military commander system down
• D. web service down

Answer: B

 

NEW QUESTION 73
Which of the following application vulnerabilities are not as popular as others?

• A. SQL Injection
• B. XSS exploit
• C. Kernel privilege breaking
• D. File uploading vulnerability

Answer: C

 

NEW QUESTION 74
What of the followings will happen if encounter DoS or DDoS attack?

• A. Data received successfully
• B. Slow access web resources
• C. Delay of data reception
• D. unauthorized access control

Answer: B,C

 

NEW QUESTION 75
Which of the following functions does not belong to what WAF can provide?

• A. unauthorized resource access blocking
• B. XSS attack detection
• C. SQL injection detection
• D. DB encryption

Answer: D

 

NEW QUESTION 76
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. KMS
• C. SLB
• D. OSS
• E. RDS

Answer: A,C,D,E

 

NEW QUESTION 77
For MySQL DB, if the records number exceeds one million in one single table, which of the following methods can help you improve querying speed?(the number of correct answers: 2) Score 1

• A. setup index for this table
• B. use 'count(*)' to get total record number before query
• C. use 'limit N' to limit the number of possible returned records
• D. use 'group by' to filter information

Answer: A,D

 

NEW QUESTION 78
Which of the IP addresses are private IP addresses? (Correct Answers: 2)

• A. 172.16.58.14
• B. 8.8.8.8
• C. 10.44.10.45
• D. 192.169.1.1

Answer: A,C

 

NEW QUESTION 79
In the Alibaba Cloud, which services can satisfy client user identity management requirements?

• A. Resource Access Management (RAM)
• B. Security group
• C. Server Guard
• D. Situational awareness

Answer: A

 

NEW QUESTION 80
Which of the following statements about 'webshell' detection feature of WAF is NOT true?

• A. there is a switch need to be turned on first
• B. If you changed some page content, you can use 'cache update' button to manually update the cache
• C. It will totally block any file to be able to upload to the web server
• D. cache will be enabled only after you turn on the protection switch

Answer: C

 

NEW QUESTION 81
The Alibaba Cloud WAF protection strategy provides the following: (the number of correct answers: 3) Score 1

• A. Early Warning
• B. Normal
• C. Loose
• D. Strict
• E. Regular

Answer: B,C,D

 

NEW QUESTION 82
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Alibaba ACA-Sec1 Exam Syllabus Topics:

Topic	Details
Topic 1	Familiar with features of Alibaba Cloud Security related products and key product implementation principles
Topic 2	Familiar with operations of Alibaba Cloud Security related products
Topic 3	Aware of main application scenarios of Alibaba Cloud Security related products and know each of these products’ special usage scenario
Topic 4	Familiar with the concepts and related knowledge of Cloud Computing
Topic 5	Understanding of the concepts of Alibaba Cloud Security related products
Topic 6	Activating, creating, configuring, starting and stopping and disabling a service
Topic 7	Familiar with common network protocols such as HTTP, FTP, TCP, UDP and ICMP

 

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