CIW-Lesson 8 Review (1.10)

Which of the following is the most common method for spreading viruses?

• Downloading files
• Installing programs
• Swapping disks or drives
• Opening attachments

Which statement best describes hash encryption?

• An encryption method in which a key is required to encrypt data for storage and verify its integrity
• An encryption method in which the same key is used to encrypt and decrypt a message
• An encryption method in which two separate keys -- a private key and a public key -- are used to encrypt and decrypt a message
• An encryption method in which numbers generated by an algorithm from a text string are used to verify the integrity of transmitted messages

Secure authentication requires:

• a user name, a password, and encryption of this information
• either a user name or a password.
• a user name and a password.
• a user name only.

When your company's private LAN is protected by a firewall, which of the following is true?

• Neither outside users nor users on the LAN can access information from the Internet.
• Users on the LAN can access information from the Internet, but outside users cannot access information stored on the LAN.
• Users on the LAN cannot access information from the Internet, but outside users can access information stored on the LAN.
• Neither outside users nor users on the LAN can access information stored on the LAN.

What can you use to electronically verify your identity without the need to provide data confidentiality?

• Digital signature
• Digital certificate
• Firewall
• Encrypted key

Which of the following is an effective way for Web site owners to prevent typosquatting?

• Purchase domain names that are similar to their actual domain names
• Encrypt all network transmissions with algorithms that use a minimum of 128-bit keys
• Automatically apply operating system updates and patches as they become available
• Host their Web sites on illicit servers

You suspect that an attacker has gained control of your computer system. What action should you take next?

• Shut down the computer.
• Unplug the computer network cable and/or disable the computer's wireless NIC.
• Run anti-virus software on all disks associated with this system.
• Enable strong encryption on all files on the hard disk.

Which of the following is an electronic stamp that can verify the integrity of data and the identity of the message source?

• Certificate authority
• Secure authentication
• Digital signature
• Private key

You just got a new computer and you are now much more concerned about viruses and other security threats. Which strategy can help you protect your computer against virus attacks?

• Update the definitions on your anti-virus application frequently.
• Perform regular backups of your hard drive.
• Disable your Web browser's automatic security settings so you can manually control the content you download.
• Open e-mail attachments only from unknown senders.

A firewall can perform which task?

• Increase browser interpretation of HTML
• Prevent unauthorized access to proprietary data on an intranet
• Provide public access to previously controlled information
• Read and censor internal e-mail messages