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發(fā)布時(shí)間:2023/12/1 编程问答 31 豆豆
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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(chǔ)加密的用戶密碼的技術(shù)?

  • System Password Management

    系統(tǒng)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(gè)極具吸引力的目標(biāo)。 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(wù)器安全中心

  • Security in Server Hub

    服務(wù)器中心的安全性

  • Secure Shell

    安全殼

  • Secure Server Hub

    安全服務(wù)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(wù)器之間的關(guān)聯(lián)。 所有客戶驗(yàn)證,指示,收益和文件移動(dòng)均經(jīng)過編碼,以防止系統(tǒng)中的威脅和泄漏。



    Q3. Which of the below is incorrect about Telnet?

    Q3。 以下哪個(gè)關(guān)于Telnet錯(cuò)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(wù)器程序

  • It provides you the portability of using software on a remote system

    它為您提供了在遠(yuǎn)程系統(tǒng)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(yuǎn)程系統(tǒng)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(xié)議用于文件傳輸,而telnet為您提供對(duì)命令行界面的訪問權(quán)限,該界面允許您遠(yuǎn)程訪問系統(tǒng)。



    Q4. Select out the two unreliable features of Telnet.

    Q4。 選擇Telnet的兩個(gè)不可靠的功能。

  • Decoded Transmission of Data

    解碼后的數(shù)據(jù)傳輸

  • Less no. of port access

    少不行 端口訪問權(quán)限

  • Remote access

    遠(yuǎn)程訪問

  • Telnet ports are often left open

    Telnet端口通常保持打開狀態(tài)

  • Answer: a. Decoded Transmission of Data & d. Telnet ports are often left open

    答: 解碼后的數(shù)據(jù)傳輸&d。 Telnet端口通常保持打開狀態(tài)

    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(gè):一是對(duì)會(huì)話進(jìn)行解碼,這意味著包括用戶名和密碼在內(nèi)的世界都以清晰的內(nèi)容進(jìn)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(xiàng)中進(jìn)行選擇,以使服務(wù)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(shí)更新您的Linux發(fā)行版

  • Connect to networks when required

    必要時(shí)連接到網(wǎng)絡(luò)

  • Make Console Access Secure

    使控制臺(tái)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(tái)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(jiān)視所有未使用的或打開的端口,以免發(fā)生任何不必要的活動(dòng),并確保只有授權(quán)人員才能訪問系統(tǒng)的控制臺(tái),最后避免任何惡意操作禁用root帳戶因此,無法遠(yuǎn)程更改密碼,無法創(chuàng)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(fā)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(shè)計(jì)

  • Communicate experience

    交流經(jīng)驗(yàn)

  • 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(shè)計(jì)



  • 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(gè)階段?

  • Download and Install

    下載并安裝

  • End-Use

    最終用途

  • Communicate Experience

    交流經(jīng)驗(yàn)

  • 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(jìn)入此階段,并每天使用OSS向開發(fā)人員提供經(jīng)驗(yàn)和反饋,或?yàn)榱藗€(gè)人利益。



    翻譯自: https://www.includehelp.com/foss/mcq-basics-free-and-open-source-software-4.aspx

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