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- 1. Multiple ChoiceWhat is the purpose of DNS?It assigns a unique address to every device on the Internet.It returns the IP address given the name of a website.It forwards a message from one machine to another.It has more bits so you can make a longer, unique address.
- 2. Multiple ChoiceWhy is IP v4 going to be replaced by IP v6?IP v6 is easier to use.IP v4 does not work on old hardware.IP v4 was not encrypted.We are running out of IP v4 addresses.
- 3. Multiple ChoiceWhich of the following is an IP address?www.google.com192.168.2.251024.2048.64.512.256A5:D4:23:56:FF:A4
- 4. Multiple Choice
What is an Event?
An action that causes something to happen
An action that doesn’t do anything in the App
An action that will allow you to look up and event
Something that is happening in the calendar
- 5. Multiple ChoiceAccording to the domain name (DNS), which of the following is a subdomain of the domain example.com?about.example.comexample.co.ukexample.com.orgexample.org
- 6. Multiple ChoiceWhich of the following activities poses the greatest personal cybersecurity risk?Making a purchase at an online store that uses public key encryption to transmit credit card informationPaying a bill using a secure electronic payment systemReserving a hotel room by e-mailing a credit card number to a hotel.Withdrawing money from a bank account using an automated teller machine (ATM)
- 7. Multiple ChoiceWhich of the following is LEAST likely to indicate a phishing attack?An e-mail from your bank asks you to call the number on your card to verify a transactionAn e-mail from a merchant asks that you click on a link to reset your passwordAn e-mail from a utility company asks you to enter your date of birth and social security number for verification purposes.An e-mail indicates that you have won a large sum of money and asks you to enter your bank account number so that the money can be transferred to you
- 8. Multiple ChoiceWhich of the following is considered an unethical use of computer resources?Downloading freeware or shareware onto your home computerPurchasing a game from an app store and downloading it directly to a mobile devicePurchasing a single-user copy of photo editing software and installing it on all computers in a computer labSearching online for an electronic version of a school textbook
- 9. Multiple ChoiceWhich of the following statements are true about using a high-level programming language instead of a lower-level language?
I. Programs written in a high-level language are generally easier for people to read than programs written in a low-level language.
II. A high-level language provides programmers with more abstractions than a low-level language.
III. Programs written in a high-level language are generally easier to debug than programs written in a low-level language.(A) I only(A) I and III only(A) II and III only(A) I, II, and III - 10. Multiple ChoiceA user enters a Web address in a browser, and a request for a file is sent to a Web server. Which of the following best describes how the file is sent to the user?The file is broken into packets for transmission. The packets must be reassembled upon receipt.The file is broken into packets for transmission. The user’s browser must request each packet in order until all packets are received.The server attempts to connect directly to the user’s computer. If the connection is successful, the entire file is sent. If the connection is unsuccessful, an error message is sent to the user.The server repeatedly attempts to connect directly to the user’s computer until a connection is made. Once the connection is made, the entire file is sent.
- 11. Multiple ChoiceTwo computers are built by different manufacturers. One is running a Web server and the other is running a Web browser. Which of the following best describes the ability of the two computers to communicate with each other across the Internet?The computers cannot communicate because different manufacturers use different communication protocols.The computers can communicate, but additional hardware is needed to convert data packets from one computer’s protocol to the other computer’s protocol.The computers can communicate directly only if the messages consist of text; other formats cannot be interpreted across computers.The computers can communicate directly because Internet communication uses standard protocols.
- 12. Multiple Choice
Consider the following numbers. Binary 1100, Decimal 11, and Hexadecimal D. Which of the following lists the numbers in order from least to greatest?
Binary 1100, Decimal 11, Hexadecimal D
Decimal 11, Binary 1100, Hexadecimal D
Decimal 11, Hexadecimal D, Binary 1100
Hexadecimal D, Decimal 11, Binary 1100
- 13. Multiple ChoiceWhich of the following has the greatest potential for compromising a user’s personal privacy?A group of cookies stored by the user’s Web browserThe Internet Protocol (IP) address of the user’s computerThe user’s e-mail addressThe user’s public key used for encryption
- 14. Multiple ChoiceBoth online newspapers and social media sites are used to distribute information on the Internet. Which of the following best describes an advantage that online newspapers have over social media sites?The ability to distribute information instantaneouslyThe ability to provide credibility to the information distributedThe ability to provide information that is widely accessibleThe ability to provide media-rich content for low cost
- 15. Multiple ChoiceWhich of the following best describes a Distributed Denial of Service (DDoS) attack?An attempt by a country to deny its citizens access to the InternetAn attempt to deny users access to a Web site’s resources by flooding the Web site with requests from multiple systemsAn attempt by one user to deny service to another user by posting material on a social networkAn attempt by a user of the Internet to get private information from a secure database.
- 16. Multiple ChoiceA program is expressed in a programming language. Which of the following is true of the program?The program can also be expressed as binary code, but will be more easily understood by humans when expressed in a higher-level programming language.The program can also be expressed as binary code, which will reduce the likelihood of errors.The program cannot be expressed as binary code, because binary code can only be used to represent data.Some parts of the program can be expressed as binary code, but operations must be expressed using a higher-level programming language.
- 17. Multiple ChoiceWhat is the 4-bit binary number for the decimal number Ten (10)?0010101001100101
- 18. Multiple ChoiceConsidering the following numbers given in Binary (BIN), Decimal (DEC), and Hexadecimal (HEX) representations:BIN: 1110DEC: 13HEX: FWhich of the following lists the numbers in order from least to greatest?BIN: 1110, DEC: 13, HEX: FDEC: 13, BIN: 1110, HEX: FDEC: 13, HEX: F, BIN: 1110HEX: F DEC: 13, BIN: 1110
- 19. Multiple ChoiceSelect the answer that lists the units of bytes in ascending order (from smallest to largest)Gigabyte, megabyte, terabyteMegabyte, terabyte, kilobyteGigabyte, terabyte, megabyteKilobyte, gigabyte, terabyte
- 20. Multiple ChoiceApproximately how much bigger (how many more bytes) is a megabyte than a kilobyte?1,000 times bigger100,000 times bigger1,000,000 times bigger1,000,000,000 times bigger
- 21. Multiple ChoiceWhich of the following best explains what happens when a new device is connected to the Internet?A device driver is assigned to the device.An Internet Protocol (IP) address is assigned to the device.A packet number is assigned to the device.A Web site is assigned to the device.
- 22. Multiple Choice
Which of the following would pose the greatest threat to a user’s personal privacy if it were to be leaked to the public?
The IP address of the user’s computer
The user’s browser cookies
The user’s email address
The user’s private key used for encryption
- 23. Multiple ChoiceHow many different digits are used in the Hexadecimal number system?210816
- 24. Multiple ChoiceWhich of the following is the proper format for an HTML tag?>h1<Content Affected by Tag >/h1<<h1>Content Affected by Tag<h1><h1 Content Affected by Tag /><h1>Content Affected by Tag</h1>
- 25. Multiple ChoiceWhat is the domain of this URL:www.example.com/home.htmlwwwhome.htmlwww.example.comHTML
- 26. Multiple Choice
Consider the process of encoding and decoding a message using the following Caesar cipher encoding scheme in which the plaintext and ciphertext alphabets are offset by four positions, as shown above.
Which of the following encoded ciphertext strings decodes to an original plaintext message of “secret”?
ersecr
wigvix
kwujwl
oaynap
- 27. Multiple Choice
According to Moore’s Law, increases in technological performance should approximately double every year? If this holds true, how much can performance be expected to increase over 5 years?
10 times as much
100 times as much
32 times as much
16 times as much
- 28. Multiple Choice
What is the decimal equivalent of 11010011?
211
210
209
208
- 29. Multiple Choice
What does HTTP stand for?
Hypertalk Talking Protocol
HyperText Transmission Protocol
Hypertext Transferable Protocol
HyperText Transfer Protocol
- 30. Multiple Choice
What does len() do?
It stops the list from continuing
It adds up everything in the list
It counts the amount of values in the list
None of the above
- 31. Multiple Choice
What is % in Python?
Square Root
Modulus
Add
Square Root
- 32. Multiple Choice
What is the RGB value of red?
(255,0,0)
(255,0,255)
(255,255,0)
(0,0,255)
- Answer choicesTagsAnswer choicesTags