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Lee, Daryl Summative Test Project Flashcards | StudBud
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Lee, Daryl Summative Test Project
Lee, Daryl Summative Test Project
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1
Alice is on the Internet viewing the social media profile webpage of Bob. Which protocols of the Internet are being used
Internet Protocol
Open Source Websites
Transmission Control Protocol
Transmission Control Protocol and Internet Protocol
2
Consider the following code.
What is displayed because of executing the code segment?
9
3 9
1 5 7
1 3 5 7 9
3
Which of the following most closely describes the role of a certificate authority (CA) in terms of cybersecurity?
Certificate authorities help prevent DDoS (denial-of-service) attacks.
Certificate authorities validate and verify the owner of encrypted keys.
Certificate authorities register domain names with the DNS.
Certificate authorities validate the password of public WiFi networks.
4
Every algorithm can be constructed using only
selection or conditional statements
sequential statements
sequential execution, conditionals, and repetition
iteration or repetition loops
5
What does Creative Commons aim to provide?
A way to share creations with permissions
A platform for selling digital art
A cloud storage device
A peer-to-peer network.
6
Which of the following is least likely to receive targeted advertisements?
Users who visit websites with a digital certificate that block ADS
Users with strong passwords and multifactor authentication
Individuals using the web browser without the Do Not Track option
Individuals using the web browser with the Do Not Track setting engaged
7
Which of the following can be represented by a single binary digit?
Time
Light on / light off
Geographic location
Date
8
In the following flowchart, what is the value of RESULT?
True when both A and B are true
True when either A or B are true
Always false
Always true
9
In a data analysis project, what is the first step in the process of extracting and analyzing data?
Know the analysis outcome
Clean the data
Decide the tools needed
Analyze the data sources
10
Which of the following lists is
NOT
a candidate for a binary search?
A list of numbers from smallest to largest
A list of words from a poem in the order they appear in the poem
A list of students in order of height
A list of words in a dictionary
11
Such __________ technology is made freely available and may be redistributed and modified by others.
patented
open-source
corporately developed
research grant
12
Consider the following problem:
Algorithm B is not correct.
Algorithm A is more efficient than Algorithm B for all possible input
Given the same input, Algorithm A and B would produce the same output.
Algorithm B will not run in a reasonable time.
13
An app crashes whenever a specific action is performed. What type of error is causing the app to crash?
Syntax Error
Logic Error
Overflow Error
Runtime Error
14
What would be a good use of constants when initializing variables at the beginning of a program?
I, II, and III
I and II only
II and III only
I and III only
15
Which of the following best describes a property of open source projects?
Practice of developing a program in collaboration with other individuals
Ability to download a program free of charge
Ability to find support for a program on a website
Ability to freely download and modify a program’s source code
16
Which of the following is an example of an optimization problem?
Checking if a list is sorted
Finding the shortest path in a graph
Finding a specific value in a list
Determining if a number is prime
17
Which of the following is an example of a return statement in a procedure?
def calculateTotal():
calculateTotal()
total = 0
return total
18
At which stage(s) can collaboration occur in the software development process?
Only during the planning phase.
Only during the designing phase
Only during the testing phase
Planning, designing, and testing
19
Which of the following statements are true about the Internet? Select two answers.
Devices connecting to the Internet are identified by IP addresses.
Google currently owns the Internet.
The Internet connects computers from all across the world.
The Internet only connects devices in North America, Europe, and Asia.
20
Which two binary numbers when added together equal decimal number 15? Select two answers.
Binary 0011
Binary 1010
Binary 1110
Binary 0101
21
What will the following code segment display?
10
9 10 7 4 1
1 4 7 10 9
Nothing will be displayed due to the error index out of bounds.
22
Consider the following problem.
Lossy transformation
Addition transformation
Lossless transformation
Frequency transformation
23
Which of the following best describes procedural abstraction?
Breaking down a procedure into smaller parts
Knowing only what a procedure does, not how it does it
The process of writing detailed instructions for a procedure
Changing the sequence of execution in a program
24
Which of the following is a benefit of using pseudocode to describe algorithms ?
The algorithm runs quicker because it's written in lower-level abstraction.
The algorithm doesn't use a heuristic. It will have the exact solution.
The algorithm is more easily understood by humans.
The algorithm requires less memory usage.
25
Consider the following code segment, which uses the variables x, y, and z. What will the following program display?
12 12 12
12 24 24
24 24 24
6 12 24
26
The following data is about weather in Philadelphia. Which of the following ideas is communicated from the table?
The coldest month of the year in Philadelphia is December.
Weather in Philadelphia is cooler than weather in Miami
The warmest months in Philadelphia span from June to August.
Philly been experiencing rain more often during May in recent years.
27
Which of the following descriptions best defines the purpose and role of using a heuristic to solve a problem?
Heuristics are programs that been mathematically proven for correctness.
Heuristics always provide a solution to undecidable problems.
A heuristic is used to find approximate rather than exact solution problem.
Heuristics allow for shorter code.
28
Consider the following.
import java.util.function.ThreadLocalRandom
import java.util.concurrent.ThreadLocalRandom
import ThreadLocalRandom.concurrent.util.java
import java.ThreadLocalRandom
29
Which of the following reasons is NOT a benefit of including comments & documentation during the development of programs
Maintaining correct programs
Writing longer code
Developing correct programs
Testing programs to ensure correctness
30
Which of the following is NOT metadata for the picture?
The memory space taken up by the picture
The time the picture was taken
The picture of the dog
The location where the picture was taken
31
This procedure does binary search. Which of the following method calls is NOT appropriate given the algorithm?
BinarySearch ( [3,5,7] , 3 )
BinarySearch ( [5,9,2,1,3] , 3 )
BinarySearch ( [1,8,11,15,17] , 9 )
BinarySearch ( [2,7,7,8,9,10,12] , 9 )
32
What does the following algorithm display?
When A is false, the algorithm displays “False.”
When B is false, the algorithm displays “False.”
It always displays “False.”
It always displays “True.”
33
Consider the following problem:
treason.
freeware.
software piracy.
plagiarism.
34
Which of the forecasts or information outputs would require the most time for the simulation to generate or lookup?
Sunrise and sunset data
Detailed hourly forecast
Historical record high temperature
High and low predicted temperatures
35
What will the following algorithm display after running the code below?
2
3
1
4
36
Which of the following examples of data shows the lowest level of abstraction?
RGB value in binary: 10000001110000011010000
The ASCII character A and its ASCII decimal value 65
A coded list of binary numbers: aList <- [0, 1, 10, 11]
The assignment of a value into a variable in code: numTimes <- 101
37
What will the below program display?
3 8 0
4 8 8
2 8 14
Nothing due to an infinite loop
38
What will be the output of the following algorithm?
1,2,3
1,3,5
1,2,3,4,5,6
No output will be generated
39
Which of the following descriptions best defines the purpose and role of using a heuristic to solve a problem?
Heuristics are programs that have been mathmatically proven for correctness
heuristic can be used to find an approximate rather than an exact solution
Heuristics always provide a solution to undecidable problems
Heuristics allow for shorter code.
40
Internet routing is fault tolerant and redundant. Which of the following examples best demonstrates this characteristic?
The router stops working once the connection is down.
A web browser will be unable to connect to a web page that does not exist.
No two devices can share the same IP address.
Packets will be re-routed to any part of the Internet that is not down.
41
Which technology has most positively affected how individuals travel?
Sengines
High-speed Internet connections
GPS devices
Large-screen displays
42
If a original video is 1GB and the compressed video is 500MB, what is the compression ratio?
4:1
2:1
1:1
1:2
43
What should replace <missing condition> so that the program below displays TRUE 40% of the time?
x >= 10
x >= 9
x < 7
x <= 9
44
Which goal requires the analysis of data rather than metadata?
Discovering which day of the work week that employees post the most
Finding the most active user of the system
Incorrect OptionA.Calculating the ratio of public-to-private posts
Search the text of all posts to identify those that discuss specific topics
45
Which of the following scenarios describes a downside of converting information from analog to digital?
Ability to search for information on the web and find it quickly
Ability to easily edit the narrative of a story that you a writing
Ability to copy and instantly duplicate copyrighted material
Ability to store thousands of documents on a single hard drive
46
What happens if we remove the last line of the code.
Infinite Loop.
The program would stop in 3 rounds.
Nothing will happen.
It would crash.
47
Which of the following would NOT be considered a large data set?
A collection of transactions at a local grocery store for the past month
Current bandwidth of your Internet connection
Grades and course selections for all students in a university with 20,000p
Information about every car present in a dealership’s inventory
48
What is a potential negative impact of targeted advertising?
Privacy concerns
Improved search results
Enhanced user experience
Faster internet speeds
49
The following picture was taken by a smartphone. Which of the following is
NOT
metadata?
The Red, Green, and Blue values of the top left pixel
The filename
The geographic location where the picture was taken
The date the photo was taken
50
This circuit is composed of two logic gates. The input of the circuit is shown. What is the output of the circuit?
The circuit does not output anything
The output of the circuit cannot be determined
True
False
51
All of the following are common algorithms except:
Comparing two numbers and storing the larger or smaller as needed.
Finding the maximum or minimum number from a set.
Calculating the sum and average of a group of numbers.
Determining the color of an object by its shape.
52
In a data visualization project, which graph type would be most appropriate to show the change in stock prices over time
Line graph
Bar Graph
Picture graph
Scatter plot
53
Which of the following reasons is NOT a benefit of including comments & documentation during the development of programs
Testing programs to ensure correctness
Developing correct programs
Writing longer code
Maintaining correct programs
54
What is the code below displaying?
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
Nothing will be displayed
3, 6, 9, 12, 15
2, 4, 6, 8, 10, 12, 14
55
Consider the following problem:
Twice as many IP addresses
96 as many IP addresses
2^2 as many IP addresses
2^96 as many IP addresses
56
Which of the following is true for the below pseudocode?
The code will not execute in a reasonable amount of time.
The code is an algorithmic solution to an undecidable problem.
The code will not execute in a reasonable amount of time.
The code is an algorithmic solution to a decidable problem.
57
A video streaming service uses data compression for its videos. What is a primary benefit of this practice?
Increase data size
Decreases server load
Reduces data transmission time
Improves video quality
58
One computer calculates this equation: a ← 1/3 | A second computer also calculates the same equation: b ← 1/3
Roundoff error
Hexadecimal conversion error
a will equal b on all computers
Overflow error
59
Consider the following code segment, which uses the variables a, b, and c.
What is displayed by running the code segment
3 11 3
8 4 6
11 3 8
3 3 6
60
Which of the following is true about data compression?
Data compression can be used for pictures and video only.
Lossy compression cannot be used when sending pictures.
Data compression is used to reduce size of a file for storage.
Lossless data compression is the best compression under all conditions.
61
Which TWO common internet protocols are best represented by the above flowchart?
IP
HTTPS
DNS
TCP
62
Which of the following is the
MOST
likely data privacy concern of the upgraded game?
The player’s score
How many locations the player visited
How much time a person spent playing the game
Recording whether the player was speeding when driving to a location.
63
What should replace <missing condition> so that the program below displays TRUE 60% of the time?
x > 10
x < 6
x >= 6
x >= 9
64
Which type of cyberattack involves overwhelming a server with traffic to make it unavaliable?
MITM
Phishing
DDoS
SQL Injection
65
Which of the following is
NOT
an investigation tool for designing programs?
Programming the most elegant code
User testing
Collecting data through surveys
Direct observations.
66
Which of the following is an example of UDP's advantage?
Sending messages without checking for missing packets.
Encrypting data for secure comunication
Routing message through multiple networks.
Storing large amounts of data efficiently
67
Which of the following input data is needed by the upgraded game that was
NOT
needed by the original game?
GPS location
Event sensing; an event would be the user pushing a button or screen
Picture of the player
Age of the player
68
In a digital image with a metadata of 5x5 pixels, how many bits are needed to represent a black and white image?
75
100
50
25
69
In the following flowchart, which statement is NOT guaranteed to be executed at least once?
5 Age < 0
1 Prompt Name
4 Input Age
6 Display Invalid Age
70
What is the smallest unit of information in a computer, consisting of either a zero or a one?
Bit
Gigabyte
Byte
Megabyte
71
Which of the following scenarios describes an iterative software design process?
First documenting all procedures & then writing the code for each procedure
Repeatedly testing a program during development and requesting feedback
Employing the waterfall model of software development
Writing test cases only after the software development phase has concluded
72
Which of the following is considered a potential effect of the mobile game rather than the purpose of the game?
Players are becoming more cultured by visiting artworks.
People are exercising.
People are not watching where they are walking and are getting injured.
Players play the game in their spare time.
73
Which of the following is a requirement in order to engage in online collaboration?
Familiarity with databases
A network connection
Open source software
A computer with eight or more CPU cores
74
In the program, which of the named identifiers is considered a constant?
MOVE_FORWARD()
REPEAT
NUM_LAPS
<-
75
Convert the binary number 101101 to decimal. What is the correct decimal value
46
43
44
45
76
Which of the following scenarios requires iteration but not selection to solve?
An algorithm that counts the number of even numbers in a list
A web server that responds to client requests for a web page
A program that allows a user to change his or her password and validates it
A program that inputs three grades and calculates their average
77
What is the significance of digital certificates in securing the Internet?
They increase the vulnerability of websites to cyber attacks.
They verify the ownership of encryption keys to enable secure transactions.
They decrease the reliability of online transactions
They are optional for websites that handle sensitive information.
78
All of the following are steps in converting decimal to binary except:
Repeat the process until you reach 0.
Subtract the largest power of 2 from the decimal number.
Find the largest power of 2 less than the decimal number.
Divide the decimal number by 3 an record the remainder.
79
What procedure will result in the robot landing on the star?
Select two answers
moveAnd Spin(4, 1)moveAndSpin(6, 0)
moveAndSpin(0, 7)
moveAndSpin(0, 1) moveAndSpin(6, 3) moveAndSpin(4, 0)
moveAndSpin(7, 3)
80
Which of the following is a negative trade-off inherent in lossless compression?
The file can be difficult to email and can take up lots of memory storage.
The number and size of pixels will be less.
The image quality will be less and will result in a blurry image.
Some of the data will be lost and cannot be recovered.
81
What does this algorithm display?
7
2
4
3
82
What will the following code segment display?
11
Nothing will be displayed due to an error.
6
3
83
Which of the following statements is true about the Internet and the Web?
The Internet & the Web don't help communication or collaboration.
The Internet & the Web have impacted productivity negatively in many areas
The Internet & the Web have impacted productivity positively in many areas
Both A & C are TRUE
84
Which of the following is the most likely data privacy concern for the original browser?
Cookies are responsible for spam and create pop-up advertisements.
Information collected about your preferences might be for negative use.
Cookies are used to acquire users’ private encryption keys.
Cookies are text files that keep track of such things as website visits.
85
A web browser contacts a server using IPv4 and pages a request for a website’s address. Which is NOT
174.260.45.144
54.116.188.246
92.11.198.113
128.198.232.65
86
Which of the following types of components is necessary for cybersecurity?
I and II only
III only
I, II, and III
I only
87
Which of the following programs or values is written in the most high-level language?
7
add 3 4
num1 <- 3num2 <- 4result <- num1 + num2
00000111
88
Which command can replace <Missing Condition> to result in the last column of the table shown below?
a AND (a AND b)
b AND (a AND b)
NOT (a AND b)
a OR b
89
When Sue transferred the image from one end to another. What is the reason of why the image is distorted?
Sue ran out of memory on her smartphone or computer.
image had not fully downloaded
Sue saved the image using a lossless compression image format.
Sue saved the image using a lossy compression image format.
90
When running the program, the first element in the list is counted twice, displaying the wrong thing. What error is this
Logical error
Syntax error
Runtime error
No error. The program works as intended.
91
Which of the following lines in the program contains the error?
Line 6
Line 9
Line 4
Line 7
92
Which of the following problems cannot be solved in a reasonable time?
Searching an unordered list of 10,000 entries to find the number of entries
Alphabetically sorting 10,000 names
Discovering the exact solution to an undecidable problem
Using a heuristic to approximate the solution to an undecidable problem
93
What is displayed as a result of executing the following code segment?SS
Moose Benji Novack Waffle Noodles
Waffle Moose Noodles Novack Benji
Dog Waffle Noodles Moose Novack Benji
Dog Waffle Moose Noodles Novack Benji
94
Which of the following potential harmful effects of computing does NOT raise privacy or security concerns?
The posting of information on social media websites
The power usage necessary to process large data sets
The ease of accessing digital government public records
The collection of geolocation data through widespread use of electronics.
95
What is the significance of Boolean values in programming?
They are primarily used for string manipulation
They are used to make decisions based on true or false conditions.
They represent complex mathematical calculations.
Boolean values area used to store large amounts of data.
96
The Internet Protocol is currently switching from the IPv4 to the IPv6 standard. Which reasons are responsible for this?
IPv6 is cheaper software to license than IPv4.
IPv6 addresses are more easily memorable than IPv4 addresses.
IPv4 IP addresses are limited in modern times.
IPv6:potentially faster data transmission speeds by handling packets faster
97
Which collaboration method involves students working in pairs or small groups to discuss concepts?
Collective design
Peer instruction
Group debugging
Team programming
98
Consider the binary sequence 00010101. Which of the below interpretations of this sequence are plausible?
The encoding of a full file name
A signal that is 260 bits
The encoding of an IPv4 address
The encoding of an integer value that is between 0 and 255
99
Which of the following information could NOT be recorded precisely with binary numbers?
An analog signal
A point on a map
A decimal number
A shade of color
100
Consider the following problem:
A floating-point representation error
An infinite loop
A variable error
An overflow error
