When applying for an SSL certificate

判断题

When applying for an SSL certificate through Alibaba Cloud's SSL Certificates Service, there is an offline review process which can take 3-5 business days or 5-7 business days depending on the type of certificate you have applied for:
透過阿里雲 SSL 憑證服務申請 SSL 憑證時，會有一個離線審核流程，根據您申請的憑證類型，審核時間可能需要 3-5 個工作天或 5-7 個工作天：

A、正确

B、错误

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相关试题

单选题 The anti-tampering of Cloud Security Center can monitor the website catalog in real time and restore Score 1 the tampered files or catalogs through backup. Which of the following statements about the anti-tampering of the cloud security center webpage is wrong?

雲端安全中心防篡改可以即時監控網站目錄，並透過備份恢復被篡改的檔案或目錄。下列關於雲端安全中心網頁防篡改的描述錯誤的是？

A、

Webpage anti-tampering is a value-added service of the Cloud Security Center.

網頁防篡改是雲端安全中心的加值服務。

B、

Web page tamper resistance supports adding Linux and Windows server processes to the whitelist, which can realize real-time updates for website protection.

網頁防篡改支援將Linux、Windows伺服器流程加入白名單，實現網站防護即時更新。

C、

Real-time monitoring of website directories, and it can recover tampered files or directories through backup.

即時監控網站目錄，並可透過備份恢復被竄改的檔案或目錄。

D、

Web page tamper-proof is free of charge in Security Center basic edition.

安全中心基礎版中網頁防篡改功能是免費的。

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单选题 Alibaba Cloud Security Center is consisted of light-weight Agents and cloud engine to provide functions such as webshell scanning and removal, day vulnerability repair, security baseline inspection, and host access control, to protect the server security. Which of the following processes is NOT included in Security Center Agent?

阿里雲安全中心由輕量Agent及雲端引擎組成，提供Webshell掃描及清除、日漏洞修復、安全基線檢查、主機存取控制等功能，守護伺服器安全。下列哪一個程序不包含在安全中心代理程式中？

A、

AliHids

B、

AliYunDunUpdate

C、

AliYunDun

D、

All Safe

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单选题 To improve ECS instance security, the administrator does not want users on public network to check whether an ECS instance is online using the ping command. Which of the following reinforcement measures designed by the administrator is NOT feasible?

為了提高ECS實例的安全性，管理者不希望公網上的使用者透過ping指令來檢查ECS實例是否在線。管理員設計的下列哪些加固措施是不可行的？

A、

Resolve the IP address of the ECS instance to an uncommon level domain name, and point the promotional domain name to the level 4 domain name through CNAME.

將ECS實例的IP位址解析為稀有等級域名，並將促銷域名透過CNAME指向四級域名。

B、

Enable a security group and only allow access from ports 80 and 25 of the public network through TCP.

啟用安全群組，只允許公網80、25連接埠透過TCP存取。

C、

Enable a security group,and reject ICMP for public network access.

啟用安全群組，拒絕ICMP公網存取。

D、

Enable an operating system firewall for the ECS instance, and reject ICMP for public network access.

為ECS實例啟用作業系統防火牆，拒絕ICMP公網存取。

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单选题 You want to buy an SSL certificate using Alibaba Cloud's SSL Certificates Service and deploy it in front of an Alibaba Cloud resource (such as Elastic Compute Service) What is the coned sequence of steps to follow?

您想使用阿里雲的 SSL 證書服務購買 SSL 證書，並將其部署在阿里雲資源（如彈性運算服務）前面，需要遵循的步驟順序是什麼？

A、

1 Select a certificate

2 Deploy the certificate in front of your Alibaba Cloud resources

3 Enter request information and submit for review

4 Manage the

1 選擇證書

2 在阿里雲資源前部署證書

3 輸入請求資訊並提交審核

4 管理證書

B、

1 Select a certificate

2 Enter request information and submit for review

3 Manage the certificate

4 Deploy the certificate in front of your Alibaba Cloud resources

1 選擇證書

2 輸入請求資訊並提交審核

3 管理證書

4 在阿里雲資源前部署證書

C、

1 Select a certificate

2 Enter request information and submit for review

3 Deploy the certificate in front of your Alibaba Cloud resources

4 Manage the certificate

1 選擇證書

2 輸入請求資訊並提交審核

3 在阿里雲資源前部署證書

4 管理證書

D、

1 Enter request information and submit for review

2 Select a certificate

3 Deploy the certificate in front of your Alibaba Cloud resources

4 Manage the certificate

1 輸入請求資訊並提交審核

2 選擇證書

3 在阿里雲資源前部署證書

4 管理證書

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单选题 You have set an alert policy for the disk usage of an ECS instance by using Alibaba Cloud CloudMonitor Each measurement cycle lasts for 5 minutes, during which the average disk usage is measured. If the average disk usage exceeds 80% for five consecutive measurement cycles, an alert will be reported. After your average disk usage exceeds 80% how long will it take to receive an alert with the best case scenario?

您已透過阿里雲雲監控設定了ECS實例磁碟使用率的警報策略，每個測量週期為5分鐘，測量期間為平均磁碟使用率。如果連續五個測量週期的平均磁碟使用率超過 80%，則會報告警報。在平均磁碟使用率超過 80% 後，需要多長時間才能收到最佳情況的警報？

A、

30 minutes

B、

0 minutes

C、

40 minutes

D、

20 minutes

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单选题 Alibaba Cloud Anti-DDoS Premium Service is an advanced DDoS protection product It can defend against layer 4 and layer 7 attacks. Which of the following statements about Alibaba Cloud Anti-DDoS Premium Service is FALSE?

阿里雲DDoS高級防護服務是高級DDoS防護產品，可防禦第4層和第7層攻擊。下列哪一項關於阿里雲 DDoS 高級服務的敘述是錯誤的？

A、

AntiDDoS Premium Service provides precise traffic reports and attack details in real time to keep you informed of the current service details on time.

AntiDDoS Premium Service即時提供精準的流量報告和攻擊詳情，讓您隨時了解目前的服務詳情。

B、

Anti-DDoS Premium Service defends against various DDoS attacks, including but not limited to ICMP flood,UDP flood,TCP flood, SYN flood, and ACK flood attacks.

Anti-DDoS Premium服務可防禦各種DDoS攻擊，包括但不限於ICMP洪水攻擊、UDP洪水攻擊、TCP洪水攻擊、SYN洪水攻擊和ACK洪水攻擊。

C、

Anti-DDoS Premium Service supports 2 billing modes: Unlimited and Insurance.

Anti-DDoS高級服務支援兩種計費模式：無限制和保險。

D、

You can adjust the anti-DDoS elastic protection threshold to a higher level at any time, with the service interruption period no longer than 3 minutes.

您可以隨時調整抗DDoS彈性防護閾值，服務中斷時間不超過3分鐘。

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单选题 As your business grows, you begin exceeding the maximum number of requests-per-minute supported by the Content Moderation API and requests begin to fail. What is the best way to resolve this issue?

隨著業務的成長，您開始超出內容審核 API 支援的每分鐘最大請求數，並且請求開始失敗。解決此問題的最佳方法是什麼？

A、

Build a custom message queue solution which you can use to buffer requests and spread them out over time.

建立一個自訂訊息佇列解決方案，您可以使用它來緩衝請求並隨著時間的推移分散它們。

B、

Open a ticket and ask for the API request limits to be raised.

提交工單並請求提高 API 請求限制。

C、

There is nothing you can do to resolve this problem, except to make fewer requests.

除了減少請求外，沒有其他辦法可以解決這個問題。

D、

Open a second Alibaba Cloud account,buy Content Moderation service under that account,and split your quests between these two accounts.

開設第二個阿里雲帳戶，在該帳戶下購買內容審核服務，並在這兩個帳戶之間分配您的任務。

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单选题 Data transfer between Internet devices requires specific specifications, which are called "protocols". Among those, the invention of a certain protocol played a decisive role in the creation of the Internet. By using those protocols, tens of thousands of computers can be connected and communicate with each other. What is the following protocol is not defined in OSI 7 layer model?

互聯網設備之間的資料傳輸需要特定的規範，稱為「協定」。其中，某種協議的發明對互聯網的創建起到了決定性的作用。透過使用這些協議，成千上萬台電腦可以連接並相互通訊。下列哪一種協定未在 OSI 7 層模型中定義？

A、

HTTP

B、

TCP

C、

UDP

D、

SOAP

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