mcq 队列
Q1. What do you call the technique of storing encrypted user passwords in Linux?
Q1。 您如何称呼在Linux中存储加密的用户密码的技术?
System Password Management
系统密码管理
Shadow Password
影子密码
Encrypted Password
加密密码
None of these
都不是
Answer: b. Shadow Password
答案: b。 影子密码
Explanation:
说明:
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逐渐成为主流,它已成为入侵者专注于入侵工作的一个极具吸引力的目标。 为了确保安全,一种方法是影子密码 。
Q2. Full Form of SSH?
Q2。 完整形式的SSH?
Server Secure Hub
服务器安全中心
Security in Server Hub
服务器中心的安全性
Secure Shell
安全壳
Secure Server Hub
安全服务器中心
Answer: c. Secure Shell
答: c。 安全壳
Explanation:
说明:
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.
安全外壳利用加密来确保客户和服务器之间的关联。 所有客户验证,指示,收益和文件移动均经过编码,以防止系统中的威胁和泄漏。
Q3. Which of the below is incorrect about Telnet?
Q3。 以下哪个关于Telnet错误?
Telnet is a client-server program often used in general
Telnet是通常用于一般的客户端-服务器程序
It provides you the portability of using software on a remote system
它为您提供了在远程系统上使用软件的便携性
It can be used to transfer files
它可以用来传输文件
Telnet can be used for logging in from remote systems
Telnet可用于从远程系统登录
Answer: c. It can be used to transfer files
答: c。 它可以用来传输文件
Explanation:
说明:
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.
文件传输协议用于文件传输,而telnet为您提供对命令行界面的访问权限,该界面允许您远程访问系统。
Q4. Select out the two unreliable features of Telnet.
Q4。 选择Telnet的两个不可靠的功能。
Decoded Transmission of Data
解码后的数据传输
Less no. of port access
少不行 端口访问权限
Remote access
远程访问
Telnet ports are often left open
Telnet端口通常保持打开状态
Answer: a. Decoded Transmission of Data & d. Telnet ports are often left open
答: 解码后的数据传输&d。 Telnet端口通常保持打开状态
Explanation:
说明:
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不可靠的原因有两个:一是对会话进行解码,这意味着包括用户名和密码在内的世界都以清晰的内容进行传输。 其次,开放的telnet端口是攻击者试图连接的主体之一。
Q5. Choose among the additional options to make your server more secure?
Q5。 在其他选项中进行选择,以使服务器更安全吗?
Keep an eye on unused ports
留意未使用的端口
Update your Linux Distribution time to time
随时更新您的Linux发行版
Connect to networks when required
必要时连接到网络
Make Console Access Secure
使控制台访问安全
Disable Root login access
禁用根登录访问
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。 确保控制台访问安全&e。 禁用根登录
Explanation:
说明:
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.
您需要专注于某些其他策略,在这些策略中,您将监视所有未使用的或打开的端口,以免发生任何不必要的活动,并确保只有授权人员才能访问系统的控制台,最后避免任何恶意操作禁用root帐户因此,无法远程更改密码,无法创建或禁用帐户。
Q6. The no. of stages in an Open Source Development model are:
Q6。 没有 开源开发模型的阶段包括:
6
6
7
7
8
8
9
9
Answer: b.7
答案: b.7
Explanation:
说明:
Manage Configuration
管理配置
Develop OSS Code
制定OSS代码
Assert Requirements Design
断言需求设计
Communicate experience
交流经验
Download and Install
下载并安装
End Use
最终用途
Read, analyze and Redesign
阅读,分析和重新设计
Q7. In which phase do the users who require the software to fall into?
Q7。 需要该软件的用户属于哪个阶段?
Download and Install
下载并安装
End-Use
最终用途
Communicate Experience
交流经验
None of these
都不是
Answer: b. End-Use
答案: b。 最终用途
Explanation:
说明:
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.
需要该软件的用户进入此阶段,并每天使用OSS向开发人员提供经验和反馈,或为了个人利益。
翻译自: https://www.includehelp.com/foss/mcq-basics-free-and-open-source-software-4.aspx
mcq 队列