Quizzes (Midterm)

Which of the following is true?
Correct answer: Both DES and AES are symmetric encryption standards.

_____ is unreadable text that is the output of an encryption algorithm.
Correct answer: cipher text

A _____ is information used to encrypt or decrypt data.
Correct answer: encryption key

One objective of data encryption is to protect the integrity of data. In which of the following scenarios could this objective have applied had an encryption system been in place?
Correct answer: a student grade in his/her permanent record was changed to a higher one

The effective management of encryption keys is just as important as the effective use of data encryption techniques.
Correct answers: True

It is relatively safe to send passwords in plaintext through email.
Correct answers: False

Digital signatures implement asymmetric encryption.
Correct answers: True

Which encryption process is the slower of the two?
Correct answers: asymmetric

The public key is supposed to be shared in symmetric encryption.
Correct answers: False

The encryption technique called a _____ does not involve the use of keys.
Correct answers: hash function

To whom would a user apply for a digital certificate?
Correct answers: registration authority

One objective of data encryption is to enable non-repudiation. In which of the following scenarios could this objective have applied had an encryption system been in place?
Correct answer: a student denied that he/she sent a threatening email to a teacher

When should encryption be used to protect sensitive information?
Correct answers: during transmission, during storage

Which encryption technique is utilized by Windows BitLocker?
Correct answer: symmetric

The use of symmetric encryption assures the user of which of the following?
Correct answers: confidentiality, integrity

Which of the following actually issues the user a digital certificate?
Correct answers: certification authority

In asymmetric encryption, a _____ key is used to encrypt data, while a ______ key is used to decrypt it.
Correct answers: public, private

Which of the following statements represents good backup practice when using backup utilities such as Windows Backup and Restore?
Correct answer: Backup system images to external storage

Physical measurements of the human body including retinal, fingerprint and vein pattern scanning is known as ______ security.
Correct answer: biometrics

This type of backup copies files that were created or changed since the last full backup.
Correct answer: incremental backup

A user accidentally deletes an important file from his computer. The method of deletion he/she used was to right-click the file and then choosing "Delete" from the menu. The file has no backup in storage. Which of the following statements is TRUE in conjunction with the scenario presented? Choose the best answer.
Correct answer: it is still possible to recover the file

Which of the following is the correct procedure for storage of backup data?
Correct answer: store backup data offsite

This type of backup copies all files including system files, application files, and data files.
Correct answer: normal backup

How often should filed be modified during the course of daily normal work operations be backed up?
Correct answer: daily

A Class C fire is caused by combustion of which particular material(s)?
Correct answer: electrical equipment

What is the ideal humidity for a data center or server room?
Correct answer: 20 - 80%

Which type of backup procedure is the most difficult to recover data from?
Correct answer: incremental backup

Data backup and recovery includes the physical security of workstations, servers, mobile devices and other storage media.
Correct answer: True

A single backup copy of important data is enough to protect it.
Correct answer: False

HVAC stands for Heating, Ventilation and Air Conditioning. Which of these three components deals with excessive humidity?
Correct answer: ventilation

Which type of backup procedure is the quickest to recover data from?
Correct answer: differential backup

What is the usual cause of computer equipment giving users a mild electric shock?
Correct answer: ungrounded electrical equipment

A Class A fire is cause by combustion of which particular material(s)?
Correct answer: paper, wood, plastics

Backup data should be encrypted.
Correct answer: True

The practice of executing plans and procedures to backup important data to secondary storage is enough to protect the data.
Correct answer: False

Which of the following is the optimal temperature in a data center or server room?
Correct answer: 18 - 27 degrees Celsius

Fires in data centers, server rooms and computer laboratories are usually caused by ______.
Correct answer: short circuit

Web browsers usually have privacy and security settings that the user has to correctly configure to be effective.
Correct answer: True

Enabling or disabling if a browser remembers a user's browsing history is usually found in which setting to be configured?
Correct answer: privacy settings

Users on a local Intranet do not have to worry about online security/
Correct answer: False

Maintaining security on the Internet is important due to which particular reason?
Correct answer: All of the above

A web cookie is a _____ file, and it can't execute instructions of carry a virus/
Correct answer: text

A web cookie is sent by the web server to the client browser.
Correct answer: True

Which of the following is NOT something that the user should do when installing add-ins, extensions or plug-ins for a web browser?
Correct answer: automatically accept all browser suggestions to install add-ins, extensions or plug-ins

Browser users are unable to control whether they accept or reject cookies from a server.
Correct answer: False

Users of social media platforms such as Facebook do not have to configure its privacy and security settings.
Correct answer: False

Which of the following is the correct reason why a user (User A) should never allow a browser to remember passwords?
Correct answer: If User B happens to use the same browser and he knows what User A's account username is, he can access the account.

A web cookie is sent by the client browser to the web server.
Correct answer: True

It is not possible to check if your browser's privacy setting are hard enough to prevent your data from leaking into the Internet.
Correct answer: False

Most modern browsers have settings that the user can configure to guard against dangerous downloads from compromised servers.
Correct answer: True

A browser is able to delete browsing history via which manner?
Correct answer: All of the above

Which of these browsers come a built-in VPN?
Correct answer: Opera

What are the effects of online pornography and child abuse on children?
Correct answer: physical injuries due to molestation, psychological problems such as depression and anger, mental weakness / low self-esteem

Is is within the rights of a parent to monitor the Internet activity, including IM usage history, of children who are minors still under their supervision.
Correct answer: True

Which particular methods can a parent or guardian employ in order to protect a child from online threats?
Correct answer: block websites inappropriate for children, block unknown email addresses that attempt to contact the child, control the amount of time the child spends on the Internet,filter videos by using kid-friendly versions of the video apps installed on computers or gadgets

Child pornography is usually defined as a depiction of a minor engaged in sexual activity. Who are defines as minors under Philippine law?
Correct answer: those under 18 years of age

Is is possible that a typographical error on the part of the child user as the URL for the website being typed in the browser address bar would lead the child to a porn or other adult-related website.
Correct answer: True

Filtering software should be used to guard against a child accidentally accessing websites that are meant for adults.
Correct answer: True

Search engines use terms known as _____ tags or variables to index a website. When a user searches for websites, the search engines display the results using these tags.
Correct answer: meta

This online risk to a child user involves search results that take the child to websites which are inappropriate for the child, instead of the sites or material that the child is looking for.
Correct answer: misdirected searches

_____ is defined as the harassment, threats to or embarrassment of a child or teen usually through Internet-based communication systems.
Correct answer: cyberbullying

Grooming a child for online abuse is accomplished through which activity?
Correct answer: All of the above