2025年06月03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（2025/6/2）
试题1
云租户数据和应用系统难以相互迁移的主要原因是（ ）查看答案
试题参考答案：B
试题2
（1）is the science of hiding information. Whereas the goal of cryptography is to make data unreadable by a third party. the goal of steganography is to hide the data from a third party. In this article, I will discuss what steganography is, what purposes it serves, and will provide an example using available software.
There are a large number of steganographic （2）that most of us are familiar with (especially if you watch a lot of spy movies), ranging from invisible ink and microdots to secreting a hidden message in the second letter of each word of a large body of text and spread spectrum radio communication. With computers and networks, there are many other ways of hiding informations, such as:
Covert channels (c,g, Loki and some distributed denial-of-service tools use the Internet Control （3）Protocol, or ICMP, as the communication channel between the “bad guy”and a compromicyed system)
Hidden text within Web pages
Hiding files in “plain sight”(c,g. what better place to “hide”a file than with an important sounding name in the c:\winnt system32 directory)
Null ciphers(c,g, using the first letter of each word to form a hidden message in an otherwise innocuous text)
steganography today, however, is significantly more （4）than the example about suggest, allowing a user to hide large amounts of information within image and audio. These forms of steganography often are used in conjunction with cryptography so the information is double protected; first it is encrypted and then hidden so that an advertisement first. find the information ( an often difficult task in and of itself) and the decrypted it.
The simplest approach to hiding data within an image file is called （5）signature insertion. In this method, we can take the binary representation of the hidden data and the bit of each byte within the covert image. If we are using 24-bit color the amount and will be minimum and indiscriminate to the human eye.
（1）A、Cryptography
B、Geography
C、Stenography
D、Steganography
（2）A、methods
B、software
C、tools
D、services
（3）A、Member
B、Management
C、Message
D、Mail
（4）A、powerful
B、sophistication
C、advanced
D、easy
（5）A、least
B、most
C、much
D、less
查看答案
试题参考答案：D、A、C、B、A
试题3
网络安全单元按照一定的规则，相互依赖、相互约束、相互作用而形成人机物一体化的网络安全保护方式，属于网络安全体系的（ ）查看答案
试题参考答案：A
试题4
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5
网络攻击的过程不包括（ ）查看答案
试题参考答案：C
试题6
智慧城市安全基础支撑不包括（ ）查看答案
试题参考答案：A
试题7
华为云的数据存储服务如何确保数据的可靠性？查看答案
试题参考答案：B
试题8
采用基于状态迁移的误用检测方法的IDS有（ ）查看答案
试题参考答案：A
试题9
下列攻击中，不能导致网络瘫痪的是（）查看答案
试题参考答案：B
试题10
Tequtla病毒是全球首例被广泛传播和破坏的（ ）类型的病毒。查看答案
试题参考答案：B
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