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信息安全工程師每日一練試題內(nèi)容（2021/10/19）

試題1： 我國(guó)制定的關(guān)于無(wú)線局域網(wǎng)安全的強(qiáng)制標(biāo)準(zhǔn)是（）
A.IEEE 802.11
B. WPA
C. WAPI
D. WEP
試題解析與討論：m.xiexiliangjiufa.com/st/327138354.html
試題參考答案：C

試題2： 《中華人民共和國(guó)網(wǎng)絡(luò)安全法》第五十八條明確規(guī)定，因維護(hù)國(guó)家安全和社會(huì)公共秩序，處置重大突發(fā)社會(huì)安全事件的需要，經(jīng)（ ）決定或者批準(zhǔn)，可以在特定區(qū)域?qū)W(wǎng)絡(luò)通信采取限制等臨時(shí)措施。
A、國(guó)務(wù)院
B、國(guó)家網(wǎng)信部門
C、省級(jí)以上人民政府
D、網(wǎng)絡(luò)服務(wù)提供商
試題解析與討論：m.xiexiliangjiufa.com/st/4108224712.html
試題參考答案：A

試題3： 人為的安全威脅包括主動(dòng)攻擊和被動(dòng)攻擊,以下屬于被動(dòng)攻擊的是（  ）。
A.流量分析
B.后門
C.拒絕服務(wù)攻擊
D.特洛伊木馬
試題解析與討論：m.xiexiliangjiufa.com/st/3895218880.html
試題參考答案：A

試題4： 特洛伊木馬攻擊的威脅類型屬于（  ）。
A.旁路控制威脅
B.網(wǎng)絡(luò)欺騙
C.植入威脅
D.授權(quán)侵犯威脅
試題解析與討論：m.xiexiliangjiufa.com/st/3896122725.html
試題參考答案：C

試題5： SSL協(xié)議是對(duì)稱密碼和公鑰密碼技術(shù)相結(jié)合的協(xié)議，該協(xié)議不能提供的安全服務(wù)是（）
A.保密性
B.可用性
C.完整性
D.可認(rèn)證性
試題解析與討論：m.xiexiliangjiufa.com/st/3271816151.html
試題參考答案：B

試題6：

Kerberos是一種常用的身份認(rèn)證協(xié)議，它采用的加密算法是（）
A、Elgamal
B、DES
C、MD5
D、RSA

試題解析與討論：m.xiexiliangjiufa.com/st/2847116804.html
試題參考答案：B

試題7：

（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

試題解析與討論：m.xiexiliangjiufa.com/st/2851420507.html
試題參考答案：D、A、C、B、A

試題8： 網(wǎng)站的安全協(xié)議是https時(shí)，該網(wǎng)站瀏覽時(shí)會(huì)進(jìn)行（）處理。
A.增加訪問(wèn)標(biāo)記
B.加密
C.身份隱藏
D.口令驗(yàn)證
試題解析與討論：m.xiexiliangjiufa.com/st/3269912294.html
試題參考答案：B

試題9： 人為的安全威脅包括主動(dòng)攻擊和被動(dòng)攻擊。主動(dòng)攻擊是攻擊者主動(dòng)對(duì)信息系統(tǒng)實(shí)施攻擊，導(dǎo)致信息或系統(tǒng)功能改變。被動(dòng)攻擊不會(huì)導(dǎo)致系統(tǒng)信息的篡改，系統(tǒng)操作與狀態(tài)不會(huì)改變。以下屬于被動(dòng)攻擊的是 （  ）。
A.嗅探
B.越權(quán)訪問(wèn)
C.重放攻擊
D.偽裝
試題解析與討論：m.xiexiliangjiufa.com/st/410947279.html
試題參考答案：A

試題10： （  ）攻擊是指借助于客戶機(jī)/服務(wù)器技術(shù),將多個(gè)計(jì)算機(jī)聯(lián)合起來(lái)作為攻擊平臺(tái)，對(duì)一個(gè)或多個(gè)目標(biāo)發(fā)動(dòng)DoS攻擊，從而成倍地提高拒絕服務(wù)攻擊的威力。
A.緩沖區(qū)溢出
B.分布式拒絕服務(wù)
C.拒絕服務(wù)
D. 口令
試題解析與討論：m.xiexiliangjiufa.com/st/4114823197.html
試題參考答案：B