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Q1. What do you call the technique of storing encrypted user passwords in Linux?
Q1。 您如何稱呼在Linux中存儲加密的用戶密碼的技術？
System Password Management
系統密碼管理
Shadow Password
影子密碼
Encrypted Password
加密密碼
None of these
都不是
Answer: b. Shadow Password
答案： b。 影子密碼
Explanation:
說明：
Linux turning out to be increasingly mainstream, it is turning into an extremely alluring objective for intruders to focus their break-in endeavors on. To keep it safe one method is Shadow passwords.
Linux逐漸成為主流，它已成為入侵者專注于入侵工作的一個極具吸引力的目標。 為了確保安全，一種方法是影子密碼 。
Q2. Full Form of SSH?
Q2。 完整形式的SSH？
Server Secure Hub
服務器安全中心
Security in Server Hub
服務器中心的安全性
Secure Shell
安全殼
Secure Server Hub
安全服務器中心
Answer: c. Secure Shell
答： c。 安全殼
Explanation:
說明：
The Secure Shell utilizes encryption to make sure about the association between a customer and a server. All client validation, directions, yield, and document moves are encoded to secure against threats and leaks in the system.
安全外殼利用加密來確保客戶和服務器之間的關聯。 所有客戶驗證，指示，收益和文件移動均經過編碼，以防止系統中的威脅和泄漏。
Q3. Which of the below is incorrect about Telnet?
Q3。 以下哪個關于Telnet錯誤？
Telnet is a client-server program often used in general
Telnet是通常用于一般的客戶端-服務器程序
It provides you the portability of using software on a remote system
它為您提供了在遠程系統上使用軟件的便攜性
It can be used to transfer files
它可以用來傳輸文件
Telnet can be used for logging in from remote systems
Telnet可用于從遠程系統登錄
Answer: c. It can be used to transfer files
答： c。 它可以用來傳輸文件
Explanation:
說明：
File Transfer Protocol is used for file transfer whereas telnet provides you the access to a command-line interface which allows you to access systems remotely.
文件傳輸協議用于文件傳輸，而telnet為您提供對命令行界面的訪問權限，該界面允許您遠程訪問系統。
Q4. Select out the two unreliable features of Telnet.
Q4。 選擇Telnet的兩個不可靠的功能。
Decoded Transmission of Data
解碼后的數據傳輸
Less no. of port access
少不行 端口訪問權限
Remote access
遠程訪問
Telnet ports are often left open
Telnet端口通常保持打開狀態
Answer: a. Decoded Transmission of Data & d. Telnet ports are often left open
答： 解碼后的數據傳輸＆d。 Telnet端口通常保持打開狀態
Explanation:
說明：
Telnet is unreliable for two reasons: One, sessions are decoded, which means the world, including username and passwords, are transmitted as clear content. Second, an open telnet port is one of the principals an attacker will attempt to connect with.
Telnet不可靠的原因有兩個：一是對會話進行解碼，這意味著包括用戶名和密碼在內的世界都以清晰的內容進行傳輸。 其次，開放的telnet端口是攻擊者試圖連接的主體之一。
Q5. Choose among the additional options to make your server more secure?
Q5。 在其他選項中進行選擇，以使服務器更安全嗎？
Keep an eye on unused ports
留意未使用的端口
Update your Linux Distribution time to time
隨時更新您的Linux發行版
Connect to networks when required
必要時連接到網絡
Make Console Access Secure
使控制臺訪問安全
Disable Root login access
禁用根登錄訪問
Answer: a. Keep an Eye on Unused Ports, d. Make Console Access Secure & e. Disable Root Login
答： 留意未使用的端口，d。 確保控制臺訪問安全＆e。 禁用根登錄
Explanation:
說明：
You need to focus on certain more strategies wherein you monitor all unused or open ports so that no unwanted activity takes place from it along with it make sure only the authorized persons can access consoles of your system and lastly to avoid any mishappenings disable the root account so that no passwords can be changed remotely no accounts can be created or disabled.
您需要專注于某些其他策略，在這些策略中，您將監視所有未使用的或打開的端口，以免發生任何不必要的活動，并確保只有授權人員才能訪問系統的控制臺，最后避免任何惡意操作禁用root帳戶因此，無法遠程更改密碼，無法創建或禁用帳戶。
Q6. The no. of stages in an Open Source Development model are:
Q6。 沒有 開源開發模型的階段包括：
6
6
7
7
8
8
9
9
Answer: b.7
答案： b.7
Explanation:
說明：
Manage Configuration
管理配置
Develop OSS Code
制定OSS代碼
Assert Requirements Design
斷言需求設計
Communicate experience
交流經驗
Download and Install
下載并安裝
End Use
最終用途
Read, analyze and Redesign
閱讀，分析和重新設計
Q7. In which phase do the users who require the software to fall into?
Q7。 需要該軟件的用戶屬于哪個階段？
Download and Install
下載并安裝
End-Use
最終用途
Communicate Experience
交流經驗
None of these
都不是
Answer: b. End-Use
答案： b。 最終用途
Explanation:
說明：
The users who require the software fall into this phase and use the OSS daily to provide experience and feedback to the developers or for personal benefits.
需要該軟件的用戶進入此階段，并每天使用OSS向開發人員提供經驗和反饋，或為了個人利益。
翻譯自: https://www.includehelp.com/foss/mcq-basics-free-and-open-source-software-4.aspx
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