2016年05月数据库系统工程师考试上午真题【基础知识】-软考吧-您身边的软考专家-www.ruankaoba.com

2016年05月数据库系统工程师考试上午真题【基础知识】

内容：基础知识
时间：150分钟
总分：75分
题数：75题

【66-67】默认情况下，FTP服务器的控制端口为（66），上传文件时的端口为（67）。

真题详情及解析

【68】使用ping命令可以进行网络检测，在进行一系列检测时，按照由近及远原则，首先执行的是（68）。

真题详情及解析

【69】某PC的Inrernet协议属性参数如下图所示，默认网关的IP地址是（69）。

真题详情及解析

【70】在下图的SNMP配置中，能够响应Manager2的getRequest请求的是（70）。

真题详情及解析

【71-75】In the fields of physical security and information security,access control is the selective restriction of access to a place or other resource.The act of accessing may mean consuming,entering,or using.Permission to access a resource is called authorization（授权）.
An access control mechanism （71） between a user（or a process executing on behalf of a user）and system resources,such as applications,operating systems,firewalls;routers,files,and databases.The system must first authenticate（验证）a user seeking access.Typically the authentication function determines whether the user is （72） to access the system at all.
Then the access control function determines if the specific requested access by this user is permitted.A security administrator maintains an authorization database that specifies what type of access to which resources is allowed for this user.The access control function consults this database to determine whether to （73） access.An auditing function monitors and keeps a record of user accesses to system resources.
In practice,a number of （74） may cooperatively share the access control function.All Operating systems have at least a rudimentary（基本的）.and in many cases a quite robust,access control component.Add-on security packages can add to the （75） access control capabilities of the OS.Particular applications.or utilities,such as a database management system,also incorporate access control functions.External devices,such as firewalls,can also provide access control services.

真题详情及解析