ECSSv9ブレーン問題集リアル試験最新問題2023年10月21日には95問題
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ECSSV9認定試験は、ネットワークセキュリティ、暗号化、リスク管理、倫理ハッキングなど、情報セキュリティに関連する幅広いトピックをカバーしています。この認定試験は、政府機関、金融機関、および高レベルのセキュリティを必要とする他の業界で働く人々を含む、情報セキュリティのさまざまな分野の専門家の知識とスキルをテストするように設計されています。
質問 # 52
According to some sources, in which area is Linux used far more widely than Windows?
- A. Video editing
- B. Web servers
- C. Desktop computers
- D. Graphic design
正解：B
解説：
Explanation: Sources say that over two thirds of web servers run Linux as their OS, compared to less than one third running Windows Server.
質問 # 53
Which of the following are you likely to find in a digital camera or smartphone for data storage?
- A. CD
- B. Magnetic tape
- C. SD card
- D. DVD
正解：C
解説：
Explanation: SD cards are commonly used in digital cameras and smartphones to store files such as digital photographs.
質問 # 54
Which hacker seeks to steal money, hold computers and network systems for ransom and possibly destroy computer systems?
- A. The evil hacker
- B. The white hat
- C. The black hat
- D. The grey hat
正解：C
質問 # 55
Bluesnarfing requires which of these?
- A. Device passcode
- B. Authentication by the target
- C. Wifi access
- D. The BD_ADDR identifier
正解：D
解説：
Explanation: For Bluesnarfing, the BD_ADDR is needed. This can be obtained by a brute-force attack, but there are 8.4 Million possible combinations.
質問 # 56
The roots of modern encryption can be traced back almost _____ years.
- A. 4,000
- B. 0
- C. 1
- D. 2,000
正解：A
解説：
Explanation: The roots of modern encryption can be traced back almost 4,000 years.
Encryption allows a person to hide the meaning of information, or messages in such a way that only those who know the secret method may read them. For a very long time, people have had many different reasons for wanting to hide information from others. The earliest historic examples were for hiding trade secrets, military secrets, and secret correspondences between spies and lovers. These same encryption principles are now used to safeguard your internet communications.
質問 # 57
Which of the following is a characteristic of data security?
- A. Protect information
- B. Protects computers
- C. All of the answers are correct.
- D. Anticipates problems
正解：C
解説：
Explanation: Anticipating problems, protecting computers, and protecting information are all characteristics of data security.
質問 # 58
The two types of OS backups are:
- A. File backups and antivirus backups
- B. System image and firewall backups
- C. File backups and system image backups
- D. Daily and traditional backups
正解：C
解説：
Explanation: File backups entail backing up of data, files and folders associated with applications and programs. System image backups entail backing up of the OS along with programs, applications and files.
質問 # 59
Which of the following distributions is the oldest?
- A. openSUSE
- B. Ubuntu
- C. Kali
- D. Debian
正解：D
解説：
Explanation: Debian is one of the oldest Linux distributions, dating back to 1993.
質問 # 60
HTTPS _____ the data sent between your web browser and the web site.
- A. authenticates
- B. encapsulates
- C. encrypts
- D. intercepts
正解：C
質問 # 61
What is cryptography?
- A. Cryptography is the process of authenticating data in transmission or in storage before user access is permitted
- B. Cryptography is the process of encrypting data in transmission or in storage preventing unauthorised access or snooping
- C. Cryptography is the process of authenticating software encoding in transmission for user access to be permitted
- D. Cryptography is the process of encrypting data keys in transmission or in storage preventing unauthorised key decryption on receipt
正解：B
解説：
Explanation: Cryptography is defined as the system by which data and information of value are stored or transmitted in such a way that only those for whom it is intended can read, interpret or process it.
質問 # 62
Ransomware is a malicious program that can encrypt intercepted data. The attacker controlling the software can demand a ransom before allowing the data to be decrypted, rendering it useless until the price is paid. Which of the following is TRUE about ransomware?
- A. Up-to-date antivirus software will effectively prevent all possible ransomware attacks.
- B. Defining a password security policy will prevent system infection with ransomware.
- C. Using a VPN to exchange information prevents it from being encrypted, making ransomware attacks impossible.
- D. Ransomware is a type of malware.
正解：D
解説：
Explanation: The effect of a ransomware is that of performing malicious operations that effectively makes it a malware.
質問 # 63
Annabelle, the CEO of Kumquat Computing, Inc., emails her vice president, Roland, to discuss an upcoming merger. Evelyn intercepts the email and changes the content of the message, altering the proposed terms of the merger, before Roland sees it. Which of these is true?
- A. This describes a Man-in-the-Middle attack. Roland will probably realise that that the email was tampered with.
- B. This describes a Man-in-the-Middle attack. Roland will probably NOT realise that the email was tampered with.
- C. This describes a Phishing attack. Roland will probably NOT realise the email was tampered with.
- D. This describes a Phishing attack. Roland will probably realise that the email was tampered with.
正解：B
質問 # 64
What service does a VPN solution provide?
- A. Access to public network resources
- B. Access to private network resources
- C. Access to the internet
- D. Remote access to private network resources
正解：D
質問 # 65
Modern encryption is classified as _____ or _____.
- A. Encrypted or Decrypted
- B. Algorithmic or Manual
- C. Symmetric or Asymmetric
- D. Public or Private
正解：C
解説：
Explanation: Modern encryption uses many of these methods in combination and in conjunction with algorithms that use a series of programmed calculations and transformations to derive strong keys. Modern encryption is classified as Symmetric or Asymmetric. Symmetric encryption allows the use of the same key (a single key) to encrypt and to decrypt the data/message; Asymmetric encryption allows the use of a split (two-part) key to encrypt and to decrypt the data/message. Using asymmetric encryption algorithms, the owner of the key gives out a 'public' key that may be used by anyone to encrypt a message; the second half of the key (private key) is only know to the owner of the key and is used by asymmetric encryption algorithms to decrypt the message. Using two-part (public and private) keys provides a greater degree of flexibility, while maintaining a high degree of security, since anyone may use the public key and only the owner of the private key may read the message.
質問 # 66
Which internet protocol is responsible for re-transmitting lost or erroneous data packets?
- A. TCP
- B. IP
- C. OSI
- D. TPC
正解：A
質問 # 67
If a website requires you to log in with a password to change your address, this is an example of that website observing what principles of information security?
- A. Integrity and Confidentiality
- B. Availability and Integrity
- C. Availability, Integrity, and Confidentiality
- D. Confidentiality and Availability
正解：C
解説：
Explanation: If someone you don't know changes the address on your bank statement, that statement will be delivered to the wrong address. Confidentiality will be compromised because someone other than you will receive the statement. The information on that statement will no longer be available to the rightful owner (you), and the integrity of your information has been violated since your bank now has an address that is not yours.
質問 # 68
What are the four principles of information security?
- A. Availability, Integrity, Confidentiality, Non-Repudiation
- B. Confidentiality, Secrecy, Safety, Non-Repudiation
- C. Availability, Integrity, Confidentiality, Cost
- D. Safety, Secrecy, Ease of Use, Availability
正解：A
解説：
Explanation: The four principles are availability, integrity, confidentiality, non-repudiation.
To help you remember, you can think of the CIA model (Confidentiality, Integrity, Availability) as the building and non-repudiation as the lock on the door.
質問 # 69
The operating system's role in the protection of the system from physical threats involves:
- A. providing tools to enable system firewall deployments
- B. triggering denial of service attacks to prevent malicious users from using the system
- C. providing port scanning mechanisms
- D. providing tools to enable system backups and restoration of the OS itself, files, programs and data
正解：D
解説：
Explanation: The physical security of a system is external to the OS and has to be ensured by physical or external security measures. The OS comprises systems that enable users to create backups of programs and data that will facilitate a successful restore following any physical threat.
質問 # 70
One of the main points of vulnerability of a system is that data in _____ is not encrypted.
- A. transmission
- B. devices
- C. use
- D. storage
正解：C
解説：
Explanation: Data in use on the system is not encrypted. There is a point of vulnerability of the system while files are in use.
質問 # 71
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ECSSV9認定は雇用主によって高く評価されており、情報セキュリティの卓越性のベンチマークとしてグローバルに認識されています。これは、セキュリティの専門家が潜在的な雇用主にスキルと知識を実証し、情報セキュリティの分野でのキャリアの見通しを強化する優れた方法です。
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