2022年06月07日来源:信管网 作者:cnitpm
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信息安全工程师每日一练试题内容(2022/6/6)
试题1
恶意软件是目前移动智能终端上被不法分子利用最多、对用户造成危害和损失最大的安全成胁类型。数据显示,目前安卓平台恶意软件主要有( )四种类型。查看答案
试题参考答案:A
试题2
资产管理是信息安全管理的重要内容,而清楚地识别信息系统相关的财产,并编制资产清单是资产管理的重要步骤。以下关于资产清单的说法中,错误的是()。查看答案
试题参考答案:B
试题3
There are different ways to perform IP based DoS Attacks. The most common IP based DoS attack is that an attacker sends an extensive amount of connection establishment (1)(e.g. TCP SYN requests) to establish hanging connections with the controller or a DPS. Such a way, the attacker can consume the network resources which should be available for legitimate users. In other (2), the attacker inserts a large amount of (3)packets to the data plane by spoofing all or part of the header fields with random values. These incoming packets will trigger table-misses and send lots of packet-in flow request messages to the network controller to saturate the controller resources. In some cases, an (4)who gains access to DPS can artificially generate lots of random packet-in flow request messages to saturate the control channel and the controller resources. Moreover, the lack of diversity among DPSs fuels fuels the fast propagation of such attacks.
Legacy mobile backhaul devices are inherently protected against the propagation of attacks due to complex and vendor specific equipment. Moreover, legacy backhaul devices do not require frequent communication with core control devices in a manner similar to DPSs communicating with the centralized controller. These features minimize both the impact and propagation of DoS attacks. Moreover, the legacy backhaul devices are controlled as a joint effort of multiple network element. For instance, a single Long Term Evilution(LTE)eNodeB is connected up to 32 MMEs. Therefore, DoS/DDoS attack on a single core element will not terminate the entire operation of a backhaul device(5)the net work.
查看答案
试题参考答案:C、B、C、D、A
试题解析与讨论:www.cnitpm.com/st/32757467.html
试题4
攻击者通过对目标主机进行端口扫描可以直接获得( )。查看答案
试题参考答案:B
试题5
IPSec属于( )的安全解决方案。查看答案
试题参考答案:A
试题6
认证是证实某事是否名副其实或者是否有效的一个过程。以下关于认证的叙述中, 不正确的是( )。查看答案
试题参考答案:C
试题7
访问控制是对信息系统资源进行保护的重要措施,适当的访问控制能够阻止未经授权的用户有意或者无意地获取资源。计算机系统中,访问控制的任务不包括() 。查看答案
试题参考答案:A
试题解析与讨论:www.cnitpm.com/st/501797488.html
试题8
已知DES算法S盒如下:查看答案
试题参考答案:A
试题解析与讨论:www.cnitpm.com/st/389492277.html
试题9
计算机取证是将计算机调查和分析技术应用于对潜在的,有法律效力的证据的确定与提取.以下关于计算机取证的描述中,错误的是( )。查看答案
试题参考答案:A
试题10
目前使用的防杀病毒软件的作用是()
A、检查计算机是否感染病毒,清除已感染的任何病毒
B、杜绝病毒对计算机的侵害
C、查出已感染的任何病毒,清除部分已感染病毒
D、检查计算机是否感染病毒,清除部分已感染病毒
查看答案
试题参考答案:D
试题解析与讨论:www.cnitpm.com/st/284845084.html
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