Lesson 8 Test Review
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Questions and Answers

Which of the following statements is true of cookies?

  • Cookies can only be viewed by the server.
  • Cookies are completely unencrypted.
  • Cookies do not store any information.
  • You can view the file content of cookies sent to browsers, but they are partially encrypted. (correct)

    • Which of the following is considered a disadvantage of an organization's practice of monitoring their employees' e-mail messages?

  • Employee productivity increases.
  • It helps maintain workplace security.
  • Employees may gain access to unauthorized information.
  • Employees may be denied access to legitimate Internet resources that may help them do their jobs. (correct)

    • Because spam is sent to you uninvited, it can be considered

    an invasion of privacy.

    What is a cookie?

    <p>A small text file that contains information sent between a server and a client to help track user activities.</p> Signup and view all the answers

    To what does 'The Right to Be Forgotten' argument relate?

    <p>Protecting your image and personal information in the world of social networking.</p> Signup and view all the answers

    Which Windows Internet Explorer privacy level setting blocks cookies from third-party Web sites that do not have a compact policy?

    <p>Low</p> Signup and view all the answers

    What is the term for a cookie that is stored as a file on your computer and remains there after you end your browser session?

    <p>Persistent cookie</p> Signup and view all the answers

    Why would some corporate IT departments disable JavaScript and ActiveX on browsers used within the company?

    <p>Because JavaScript and ActiveX controls allow information to be downloaded and run on your system.</p> Signup and view all the answers

    What can be considered a drawback of networked computing and Internet use?

    <p>Your computer activities and personal information are no longer private.</p> Signup and view all the answers

    For what purpose should you use automatic cookie handling in most browsers?

    <p>To control when and from whom cookies are accepted.</p> Signup and view all the answers

    Which two authentication types require a user name and password?

    <p>Basic authentication and secure authentication</p> Signup and view all the answers

    Which of the following is used to enforce non-repudiation?

    <p>Digital signature</p> Signup and view all the answers

    What is encryption?

    <p>The process of converting data into an unreadable form of text.</p> Signup and view all the answers

    What is the term for a password-protected, encrypted data file that can be used to authenticate a program?

    <p>Digital certificate</p> Signup and view all the answers

    What is currently the most common way to authenticate users on private and public computer networks?

    <p>Requiring user names and passwords.</p> Signup and view all the answers

    What is the term for an electronic stamp that identifies a message's source and contents?

    <p>Digital signature</p> Signup and view all the answers

    Which of the following provides positive identification of the sending and receiving parties?

    <p>Digital certificate</p> Signup and view all the answers

    What is authentication?

    <p>The process of verifying the identity of a user who logs on to a system.</p> Signup and view all the answers

    Which of the following entities possesses the digital certificate during an Internet transaction?

    <p>The server</p> Signup and view all the answers

    Encryption is the primary means of:

    <p>ensuring data security and privacy on the Internet.</p> Signup and view all the answers

    Which of the following protocols was developed by the Internet Engineering Task Force (IETF)?

    <p>Transport Layer Security (TLS) protocol</p> Signup and view all the answers

    Which of the following protocols provides authentication and encryption?

    <p>Secure Sockets Layer (SSL) protocol</p> Signup and view all the answers

    What is the term for a numeric code that uses an algorithm to encrypt and decrypt data?

    <p>Key</p> Signup and view all the answers

    What is the relationship between encryption and authentication?

    <p>Authentication occurs before an encryption session can begin.</p> Signup and view all the answers

    What is decryption?

    <p>The process of converting data that has been converted into an unreadable form back to its original form.</p> Signup and view all the answers

    What does a URL that starts with https:// signify?

    <p>That you are visiting a secure Web site in which data transmissions are encrypted.</p> Signup and view all the answers

    What is the effect of running various TCP/IP suite protocols over Secure Sockets Layer (SSL)?

    <p>The protocols are made more secure because data transmissions are encrypted.</p> Signup and view all the answers

    What is ciphertext?

    <p>Encrypted data.</p> Signup and view all the answers

    Why do companies that conduct business internationally need to be aware of the encryption laws in various countries?

    <p>Because some countries do not allow large encryption keys to be exported.</p> Signup and view all the answers

    What is a hash?

    <p>A number generated by an algorithm from a string of text.</p> Signup and view all the answers

    What is hash encryption?

    <p>An encryption method in which numbers generated by an algorithm are used to verify the integrity of transmitted messages.</p> Signup and view all the answers

    Which of the following should you use to encrypt and decrypt digital signatures?

    <p>Hash encryption</p> Signup and view all the answers

    Which of the following has become the most common asymmetric encryption algorithm?

    <p>RSA algorithm</p> Signup and view all the answers

    What is symmetric encryption?

    <p>An encryption method in which the same key is used to encrypt and decrypt a message.</p> Signup and view all the answers

    In which encryption method are the public and private keys mathematically related?

    <p>Asymmetric encryption</p> Signup and view all the answers

    What is asymmetric encryption?

    <p>An encryption method in which two keys (one private, one public) are used to encrypt and decrypt a message.</p> Signup and view all the answers

    For which encryption method is it critical that the secrecy of the key be maintained?

    <p>Symmetric encryption</p> Signup and view all the answers

    What is an illicit server?

    <p>An application that installs hidden services on systems.</p> Signup and view all the answers

    What is the term for software that scans disks and programs to eliminate harmful software?

    <p>Anti-virus software</p> Signup and view all the answers

    Malware is a generic term for software:

    <p>whose specific intent is to harm computer systems.</p> Signup and view all the answers

    What is a virus?

    <p>A malicious program that assumes control of system operations, and damages or destroys data.</p> Signup and view all the answers

    What is a trojan?

    <p>A program that appears to be harmless but actually produces harmful results.</p> Signup and view all the answers

    If you copy a file from a CD that is infected with a virus, what is the most effective way to prevent the virus from infecting your system?

    <p>Use anti-virus software to disinfect your hard drive and remove the virus from your system.</p> Signup and view all the answers

    Which of the following is the most effective way to spread viruses?

    <p>Sending e-mail attachments.</p> Signup and view all the answers

    What is a worm?

    <p>A self-replicating program or algorithm that consumes system resources.</p> Signup and view all the answers

    Viruses that reside within the text of an HTML-formatted e-mail message are particularly virulent because:

    <p>the user need only receive the virus for it to cause damage.</p> Signup and view all the answers

    To comply with many Web site requirements for added security, nearly all browsers support a minimum of:

    <p>128-bit encryption.</p> Signup and view all the answers

    It is important to install updates to e-mail clients to minimize security breaches. What do many e-mail clients default to?

    <p>40-bit encryption levels.</p> Signup and view all the answers

    Which of the following is designed to provide an immediate solution to fix a known problem in programming code?

    <p>Patch</p> Signup and view all the answers

    What can be considered a disadvantage to installing program patches and updates?

    <p>They may introduce incompatibility issues or new security issues.</p> Signup and view all the answers

    What is an update?

    <p>A file or collection of software tools that resolves system liabilities and improves software performance.</p> Signup and view all the answers

    What is spyware?

    <p>A software application that is secretly placed on a user's system to gather information and relay it to outside parties.</p> Signup and view all the answers

    A major update with significant software improvements is often marketed as a new:

    <p>release.</p> Signup and view all the answers

    What is a patch?

    <p>A file of programming code that is inserted into an existing executable program to fix a known problem.</p> Signup and view all the answers

    What can be considered a disadvantage of using a spyware-detection application to remove spyware from your computer?

    <p>Legitimate applications can be incorrectly identified as spyware.</p> Signup and view all the answers

    Which of the following can be considered an advantage of connecting LAN computers to the Internet through a firewall?

    <p>Users on the LAN can request information from the Internet, but outside users are denied access to the LAN.</p> Signup and view all the answers

    Which of the following hypothetical Web site URLs is most likely an example of typosquatting?

    <p><a href="http://www.goggle.com">www.goggle.com</a></p> Signup and view all the answers

    You can use screen savers to:

    <p>hide your work while you are away from your desk, providing a measure of security.</p> Signup and view all the answers

    Why are firewalls considered the first line of defense against LAN security breaches?

    <p>Because they provide data confidentiality.</p> Signup and view all the answers

    A screen saver is a graphic or moving image that appears on your screen:

    <p>when your computer is idle.</p> Signup and view all the answers

    The most common business firewall technique is to use a firewall server in conjunction with:

    <p>a proxy server.</p> Signup and view all the answers

    Typosquatting is the unethical practice of:

    <p>registering domain names very similar to those of high-volume sites.</p> Signup and view all the answers

    The connectivity that makes the Internet possible also makes systems vulnerable to:

    <p>unwanted activity.</p> Signup and view all the answers

    What is a firewall?

    <p>A security barrier that prevents unauthorized access to or from private networks.</p> Signup and view all the answers

    You are making efforts to prevent attackers from gaining access to network connections. What strategy may cause problems?

    <p>Using your desktop firewall to block Internet Control Messaging Protocol (ICMP).</p> Signup and view all the answers

    Which term collectively refers to industrial property and copyrighted works?

    <p>Intellectual property.</p> Signup and view all the answers

    Which organization is responsible for codifying copyright law as it applies to digital information?

    <p>Information Infrastructure Task Force (IITF).</p> Signup and view all the answers

    Copying an image from a Web site for your own purposes without getting permission can be considered:

    <p>copyright infringement.</p> Signup and view all the answers

    What is the term for a word, slogan, symbol, name, package design, or device that distinguishes a product?

    <p>Trademark.</p> Signup and view all the answers

    Receiving written permission from a copyright owner to use copyright-protected material can be considered:

    <p>a licensing agreement.</p> Signup and view all the answers

    Which organization was formed by the United Nations to protect intellectual property worldwide?

    <p>World Intellectual Property Organization (WIPO).</p> Signup and view all the answers

    Desktop firewalls offer protection for:

    <p>an individual computer.</p> Signup and view all the answers

    Study Notes

    Cookies and Privacy

    • Cookies are small text files that track user activities, partially encrypted.
    • Monitoring employee emails can restrict access to essential online resources, affecting productivity.
    • Spam is considered an invasion of privacy as it is unsolicited.

    Internet Security Concepts

    • "The Right to Be Forgotten" allows individuals to protect their image and personal information online.
    • A persistent cookie remains on a device after browser sessions end.
    • Digital signatures and digital certificates ensure non-repudiation and identify message sources.

    Authentication and Encryption

    • Basic and secure authentication require a username and password.
    • Encryption converts data into an unreadable format, while decryption reverses this process.
    • Symmetric encryption uses a single key for both encryption and decryption, while asymmetric encryption uses a pair of keys.
    • HTTPS indicates a secure website with encrypted data transmissions.

    Malware and Protection

    • Malware encompasses various harmful software, including viruses, worms, and Trojan horses.
    • Anti-virus software scans for and removes harmful programs to protect computer systems.
    • Viruses can be spread through email attachments; running a reputable anti-virus tool is crucial for protection.
    • Patches fix programming issues but may introduce new problems or incompatibilities.

    Firewalls and LAN Security

    • Firewalls block unauthorized access to private networks and are essential for LAN security.
    • Using a proxy server alongside a firewall is a common practice for business security.
    • The practice of typosquatting involves creating similar URLs to mislead users, often used to capture traffic meant for legitimate sites.

    Intellectual Property

    • Intellectual property includes industrial property and copyrighted works, protected under various laws.
    • Copyright infringement can occur by using images or content without permission.
    • A trademark distinguishes one company's products from others and requires legal protection.
    • The World Intellectual Property Organization (WIPO) works to protect intellectual property globally.

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