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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.
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.
A.remote
B.native
C.controlled
D.automated
B.native
C.controlled
D.automated
参考答案
参考解析
解析：在物理安全和信息安全领域，访问控制是对一个地方或其他资源的访问限制。访问的行为可能意味着消费、输入或使用。允许访问资源被称为授权。
访问控制机制连接用户（代表用户执行的进程）和系统资源（如应用程序、操作系统、防火墙、路由器、文件和数据库）之间的连接。系统必须首先对用户进行身份验证。通常，身份验证功能决定用户是否被允许访问系统。然后，访问控制功能决定是否允许该用户指定的访问权限。安全管理员维护一个授权数据库，该数据库指定允许该用户访问哪些资源的类型。访问控制函数咨询此数据库以确定是否授予访问权。审计功能监视并保存用户访问系统资源的记录。
在实践中，一些用户可以合作共享访问控制函数。所有操作系统都至少有一个基本的，而且在许多情况下是一个相当健壮的访问控制组件。附加安全包可以添加到操作系统的自动访问控制功能。特定的应用程序或实用程序，如数据库管理系统，也包括访问控制功能。外部设备，如防火墙，也可以提供访问控制服务。
访问控制机制连接用户（代表用户执行的进程）和系统资源（如应用程序、操作系统、防火墙、路由器、文件和数据库）之间的连接。系统必须首先对用户进行身份验证。通常，身份验证功能决定用户是否被允许访问系统。然后，访问控制功能决定是否允许该用户指定的访问权限。安全管理员维护一个授权数据库，该数据库指定允许该用户访问哪些资源的类型。访问控制函数咨询此数据库以确定是否授予访问权。审计功能监视并保存用户访问系统资源的记录。
在实践中，一些用户可以合作共享访问控制函数。所有操作系统都至少有一个基本的，而且在许多情况下是一个相当健壮的访问控制组件。附加安全包可以添加到操作系统的自动访问控制功能。特定的应用程序或实用程序，如数据库管理系统，也包括访问控制功能。外部设备，如防火墙，也可以提供访问控制服务。
更多 “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.A.remote B.native C.controlled D.automated ” 相关考题
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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.A.cooperatesB.coordinatesC.connectsD.mediates
考题
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（ ）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 （ ） 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（ ） access. An auditing function monitors and keeps a record of user accesses to system resources.In practice, a number of（请作答此空）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 （ ）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 .A.components
B.users
C.mechanisms
D.algorithms
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NAC's (Network Access Control) role is to restrict network access to only compliant endpoints and （请作答此空）users. However, NAC is not a complete LAN（ ）solution; additional proactive and （ ）security measures must be implemented, Nevis is the first and only comprehensive LAN security solution that combines deep security processing of every packet at 10Gbps, ensuring a high level of security plus application availability and performance. Nevis integrates NAC as the first line of LAN security（ ）. In addition to NAC, enterprises need to implement role-based network access control as well as critical proactive security measures—real-time, multilevel（ ）inspection and microsecond threat containment.A.automated]
B.distinguished]
C.authenticated]
D.destructed]
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B.unique
C.catchy
D.long
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单选题What is the goal of the borderless network architecture?（）A
to provide users withA single device that permits access to information anywhereB
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Reduction of processing in wireless controllersB
Distributed approach to authentication， encryption， and policy enforcementC
Access point discovery， information exchange， and configurationD
Provides security by blocking communication between access points and wireless clientsE
None of the other alternatives apply.
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Real-time frame exchange is accomplished within the access point.B
The control traffic between the client and the access point is encapsulated with the LWAPP. C
Authentication， security， and mobility are handled by the access point.D
Data traffic between the client and the access point is encapsulated with LWAPP.E
None of the other alternatives apply
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单选题Your security policy requires that users authenticating to the Junos Pulse Access Control Service are connecting from a domain member endpoint on the internal corporate network.Which set of role access restrictions must you configure to enforce this security policy?（）A
Source IP and browserB
Source IP and certificateC
Certificate and Host CheckerD
Host Checker and source IP
考题
多选题What information does the Junos Pulse Access Control Service provide to Security Threat Response Manager (STRM)?（）ASession lengthBUser browser informationCSession IP addressDUser identity information
考题
单选题The root id is set so that direct login is disabled. Information must be reviewed relating to when root access was obtained. In which of the following files is this information located?（）A
/var/adm/sulog B
/var/adm/wtmp C
/etc/security/user D
/etc/security/failedlogin
考题
单选题Which Cisco product family can simultaneously implement firewall, VPN, content security, network access control, virtualization, anD content filtering?（）A
catalyst switchesB
adaptive security appliancesC
intrusion prevention systemsD
protect link gateway
考题
多选题What are two benefits of integrating Junos Pulse Access Control Service with Security Threat Response Manager (STRM)?（）AThe ability to detect and prevent malicious traffic.BThe ability to associate security breaches with a specific user.CConverged management of network and security events, network flow data, and identity information.DConsistent device management across administrative realms.
考题
单选题What is the goal of the borderless network architecture?（）A
to provide users with A single device that permits access to information anywhereB
to provide users with the same productivity and access to information no matter where are or which device they useC
to eliminate the need for border security and firewallsD
to provide companies with A way to extend their security and control over employees on the internet
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