Why is cryptography essential to cybersecurity?

Cryptography ensures that the files cannot be read if they are intercepted.

Which best describes the role of TCP?

The foundation of data communication for the World Wide Web

What could have been the reason for the failure?

It may not have considered that some prefer to order from people

Which of following will ensure others can not see your wireless network?

Disabling the SSID broadcasting

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.

What is an example of a way that a “smart grid” could assist with human capabilities?

The grid could ensure efficient power distribution

What is displayed as a result of executing the following code segment?

Moose Benji Novack Waffle Noodles

Which of the following is NOT an investigation tool for designing programs?

Programming the most elegant code

What is displayed as a result of executing the code segment?

Nothing will be displayed due to the error index out of bounds.

The findings from a project are typically presented using a graph as opposed to table or raw data. Why might this be?

Graphs are easier to read and interpret at a glance.

A flowchart is a way to represent an algorithm visually. The flowchart below uses the following building blocks.

Nothing due to an infinite loop

Why are internet protocols used?

Internet protocols make the internet scalable and encourage growth.

Which of the following statements is NOT correct:

Hardware is the lowest level of abstraction.

Which of the following is a true statement about data transmitted over the internet?

All data traveling over the internet is in binary.

Which is a potential outcome of scientists using simulations for scientific research

All of the above are potential outcomes.

what is the most likely method students can use to raise funding for a venture?

Utilize a crowdsourcing website to raise the needed capital.

When should a heuristic algorithm be used?

When finding the quickest route from Orlando, Florida, to Cold Foot, Alaska

Why is it important to find an efficient solution to a problem?

An efficient solution can make it easier to analyze larger data sets.

Which of the following lists is NOT a candidate for a binary search?

A list of words from a poem in the order they appear in the poem

Why is it more effective to put procedures in a program than to repeat code?

Procedures take up less space, making the program easier to read

What is true about the packets of information for a picture being sent from your phone to your friend's?

Packets are sent in multiple paths and can be received out of order.

Choose the most likely possible explanation for the discrepancy.

The program rounded the price for 1 of the products, then multiplied by 3

Which of the following is true about data compression?

Data compression can be used to reduce the size of a file.

What is a major disadvantage of the internet’s model of trust?

Even with a firewall, a trusted site can still download malware

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Tily, Taha Summative Test Project

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Answers

1
Why is cryptography essential to cybersecurity?
Cryptography prevents editing of publicly accessible files on a server
Cryptography ensures that the files cannot be read if they are intercepted.
Cryptography prevents a third party from hijacking a connection
Cryptography does not allow data on a server to be edited by anyone
2
Which best describes the role of TCP?
Setting the rules for a number given to each connected internet device
The set of rules for the path packets taken on the fault-tolerant internet
A protocol for encrypting and decrypting data transferring on the internet
The foundation of data communication for the World Wide Web
3
What would be a good use of constants when initializing variables at the beginning of a program?
I and III only
II and III only
I, II, and III
I and II only
4
What could have been the reason for the failure?
The simulation worked as intended.
It may not have considered that some prefer to order from people
Wait time and sales are directly proportional; the simulation worked
The simulation had considered all variables.
5
Convert 88DEC to a binary number.
1111000BIN
1000001BIN
1011000BIN
1010101BIN
6
Sort the following by levels of abstraction, from lowest to highest:
I, IV, III, II
I, II, III, IV
I, III, IV, II
I, IV, II, III
7
What is the following program returning?
27
20
37
25
8
Which of following will ensure others can not see your wireless network?
Disabling the SSID broadcasting
Enable MAC filtering
Ensure that encryption is enabled
Resetting the router security settings to prevent unauthorized access
9
Which of the following is a negative trade-off inherent in lossless compression?
The image quality will be less and will result in a blurry image.
Some of the data will be lost and cannot be recovered.
The file can be difficult to email and can take up lots of memory storage.
The number and size of pixels will be less.
10
Which of the following methods below can be used to mitigate the risk of possibly releasing PII in large data sets?
All of the above
II, IV, and V only
I, II, and IV only
I, II, III, and IV only
11
What is an example of a way that a “smart grid” could assist with human capabilities?
The grid could ensure that all computers on it are properly updated.
The grid could control the temperature of an A/C or a heating unit directly
The grid could ensure efficient power distribution
The grid could prevent blackouts altogether.
12
What is displayed as a result of executing the following code segment?
Dog Waffle Noodles Moose Novack Benji
Dog Waffle Moose Noodles Novack Benji
Waffle Moose Noodles Novack Benji
Moose Benji Novack Waffle Noodles
13
Which of the following is NOT an investigation tool for designing programs?
User testing
Direct observations.
Collecting data through surveys
Programming the most elegant code
14
An algorithm has n number of steps. Which of the following would be considered a reasonable number of steps?
4^n + 8n^2
3^n
n!
100n^4
15
What is displayed as a result of executing the code segment?
Nothing will be displayed due to the error index out of bounds.
9 10 7 4 1
1 4 7 10 9
10
16
. Which of the following could replace <missing condition> to result in 25% BLUE in this color chooser?
RANDOM(1, 2) > 1
RANDOM(1, 4) < 2
RANDOM(250, 1000) < 251
17
The findings from a project are typically presented using a graph as opposed to table or raw data. Why might this be?
Graphs are easier to read and interpret at a glance.
Graphs are able to show all of the detail necessary to understand data.
Graphs can be easily put in a slideshow, tables cannot
18
A flowchart is a way to represent an algorithm visually. The flowchart below uses the following building blocks.
2 8 14
4 8 8
3 8 0
Nothing due to an infinite loop
19
Why are internet protocols used?
Internet protocols are specific to the hardware attached to the internet.
Internet protocols make the internet scalable and encourage growth.
Internet protocols are needed to slow the growth of the internet.
20
What is the maximum number of searches required if using a linear search on list containing 2,000 numbers?
2000
1
11
1000
21
Which of the following statements is NOT correct:
Hardware is the lowest level of abstraction.
Logic gates are modeled by Boolean functions.
Logic gates are used to perform operations such as addition and subtraction
Binary data is processed by physical layers of computing hardware.
22
Which of the following is a true statement about data transmitted over the internet?
All data traveling over the internet is in binary.
Redundancy in the design of the internet is overseen by large companies
The domain name system has been challenged by the DMCA
Packets are received in the same order that they are sent.
23
What is displayed by running the code segment?
3 3 6
3 11 3
11 3 8
8 4 6
24
The Caesar cipher is an example of what type of encryption?
Symmetric encryption
No key encryption
Home key encryption
Public key encryption
25
What will the program segment display?
2
34
99
3
26
Which is a potential outcome of scientists using simulations for scientific research
If a concept is too expensive in real life a simulation can be used
All of the above are potential outcomes.
a simulation can be used provide the information necessary for a hypothesis
27
Which of the following algorithms can he use to find all crimes that occurred in a certain neighborhood on a certain day
Algorithm II only
Algorithm I only
Both Algorithm I and Algorithm II
Neither Algorithm I nor Algorithm II
28
what is the most likely method students can use to raise funding for a venture?
Apply for a small business loan through an online bank.
Design and create a website in hopes a venture capitalist will come to them
Utilize a crowdsourcing website to raise the needed capital.
29
What is the appropriate name for this procedure for a robot in a grid of squares?
SPIN()
CAN_ESCAPE()
ESCAPE()
IS_TRAPPED()
30
What is displayed as a result of executing the code segment?
Dog Cat Fish Golden Bandicoot
Golden Bandicoot Cat Fish
Dog Cat Fish
Dog Golden Bandicoot Cat Fish
31
What binary number is equal to 10001BIN+3DEC?
10100BIN
11100BIN
11110BIN
10011BIN
32
What will the following code segment display?
10
1
22
30
33
Which of the following is NOT metadata for the picture?
The picture of the dog
The location where the picture was taken
The memory space taken up by the picture
The time the picture was taken
34
Identify the best sequence of steps she should take to select a plan.
I, III, IV, II
I, IV, II, III
I, Il, III, IV
III, I, II, IV
35
Which of the items below is NOT a technology advancement in law enforcement that is being used by officers in the field?
Networked police cars that have instant access to suspect information
Facial recognition software
Drones to surveil areas that are too dangerous or remote for officers
Predictive policing software that allows for better resource allocation
36
We can convert a number from decimal to octal (base 8) by repeatedly subtracting the largest possible powers of what?
9
7
2
8
37
What is returned by cube(cube(2))?
8
128
64
512
38
When should a heuristic algorithm be used?
When finding the quickest route from Orlando, Florida, to Cold Foot, Alaska
When calculating the average score for the national SAT test
When finding the lifetime batting average of Mookie Wilson
39
Why is it important to find an efficient solution to a problem?
An efficient solution can always be solved in a reasonable amount of time.
An efficient solution makes it harder to copy an algorithm.
An efficient solution can make it easier to analyze larger data sets.
An efficient solution uses more resources, ensuring correct results
40
The following program is intended to display the string 789. What type of error will the following procedure cause?
Syntax error
No error
Runtime error
Logic error
41
Which of the following lists is NOT a candidate for a binary search?
A list of students in order of height
A list of words from a poem in the order they appear in the poem
A list of words in a dictionary
A list of numbers from smallest to largest
42
Which of the following lines of code would cause an error with a robot?
NOT CAN_M0VE (forward)
NOT CAN_MOVE (left)
CAN_MOVE (north)
CAN_MOVE (right)
43
Why is it more effective to put procedures in a program than to repeat code?
Every extraction is saved to a distinct file, making editing harder
Procedures take up less space, making the program easier to read
If a procedure works once, they are guaranteed to work in other use cases
44
What is true about the packets of information for a picture being sent from your phone to your friend's?
All of the above.
Packets are received in the order that they are sent.
Packets are sent in multiple paths and can be received out of order.
Packets are sent by the quickest path possible in the correct order.
45
Choose the most likely possible explanation for the discrepancy.
The program rounded the price for 1 of the products, then multiplied by 3
The fixed number of bits for storing values resulted in an overflow error.
The program does not handle signed integers.
While multiplying the floating point numbers, there was a round-off error.
46
The procedure isFound will return TRUE if an item is found in a list What will the following procedure display?
[4, 6, −4]
[1, 6, −4]
[1, 35, 6, 76, 4, 98, 5, 1, 8, 96, −4]
[ ]
47
Which of the above, represented in binary as a byte, contains the most zeros?
p
C
K
.
48
Which of the following best approximates the minimum possible time to run all three processes in series?
4
9
28
15
49
A web browser contacts and a server using IPv4. Which of the following could NOT be a potential response?
128.198.232.65
92.11.198.113
174.260.45.144
54.116.188.246
50
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 can be used to reduce the size of a file.
Lossless data compression is the best compression under all conditions.
51
What is a major disadvantage of the internet’s model of trust?
A trusted website can have a large amount of power over a computer
A trusted website has power over the computer’s ROM
A trusted website cannot have encrypted communications
Even with a firewall, a trusted site can still download malware
52
What are two aspects of efficiency?
execution time and length of code
wall clock time and CPU time
memory usage and length of code
execution time and memory usage
53
What will the executed code display?
All even numbers between 1 and 12
All odd numbers between 3 and 12
All even numbers between 3 and 12
All odd numbers between 1 and 12
54
What type of system would a streaming site use to recommend movies to users?
Information filtering
Preference categorization
Statistcal Probability Model
Reference grouping
55
In the following flowchart, what is the value of RESULT?
True when both A and B are true
Always true
Always false
True when either A or B are true
56
Which of the following types of components is necessary for cybersecurity? I. Software II. Hardware III. Human
I, II, and III
III only
I and II only
I only
57
What will the following algorithm display after running the code below?
2
1
3
4
58
Which command can replace <Missing Condition> to result in the last column of the table shown below?
b AND (a AND b)
NOT (a AND b)
a OR b
a AND (a AND b)
59
What is the code segment displaying?
0
17
34
68
60
Which of the following test cases will NOT find the maximum number in the list?
list1[4]
list1[0, 0, 0, 0]
list1[−23, −67, −3, −7]
list1[23, 67, 3]
61
What line of code can replace <missing code> so the algorithm displays the total value of list1, not counting 13?
item ≠ 13
list1 = 13
item = 13
list1 ≠ 13
62
If a pixel in a photo is a combination of 3 color values, what is the minimum number of bits needed to store one pixel?
512
24
256
8
63
Which of the following statements about metadata types are true?
All of the above
I only
I, II, and IV Only
II, III, and IV only
64
Processes 4 and 5 must be run in series while 1, 2, and 3 can be run in parallel. What is the minimum runtime?
10 seconds
18 seconds
8 seconds
7 seconds
65
Which of the following is NOT an example of using citizen science as a possible solution?
The behavior of the jellyfish on the beach or water
The behavior of fireflies during the summer months
Calculating PSAT scores for a school district
Collecting recordings using ultrasonic microphones and sonograms of bats
66
What command can replace <Missing condition> to get the results shown in the 4th column of the table?
NOT(a OR a)
a OR b
NOT(a AND b)
NOT b
67
If data from Server Alpha is requested, what will most likely happen if ISP X and Host 3 & 11 are not working?
ISP Y will receive packets indicating a failure in Host 3 and re-route data
Host 1 will compensate for the outage and route the data accordingly
The Client will not receive any data due to the outage
68
Which of the following will correctly replace /*missing code */ ?
CAN_MOVE(right) OR NOT CAN_MOVE(forward)
NOT CAN_M0VE (right)
CAN_MOVE (right)
NOT CAN_MOVE(forward)
69
Why do computing innovations tend to lead to legal concerns?
Some laws may not cover certain aspects of new technology due to their time
Laws are easily enforced as you cannot hide your ip address
The speed of innovations being created makes laws harder to enforce
70
Which of the following considerations is likely to affect the ability of a program to process large data sets?
The order of the data put into the data set
How many program statements the program contains
How much memory the program requires to run
The amount of program documentation that should be minimized
71
A program takes 4000 seconds to check 100 pictures when ran in series. In parallel it takes 400. What is the speedup?
1
1,000
100
10
72
Which of the following statements are true about undecidable problems in computer science?
I, II, and III
I only
I and II
II and III
73
Which algorithm calculates average correctly?
Algorithm B calculates average in all cases, while Algorithm A does not.
Algorithm A calculates average in all cases, while Algorithm B does not.
Neither Algorithm A nor Algorithm B calculates average correctly.
Both A and B are correct, but Algorithm A is more efficient.
74
Which of the following protocol standardization is NOT a function of the IETF (Internet Engineering Task Force)?
JavaScript Coding Protocol
Simple Mail Transfer Protocol
Internet Protocol
Hypertext Transfer Protocol
75
Why does program code have to be run through a compiler?
Program code is write-only until it is run through a compiler.
It doesn’t, as the new program could be run directly from the code.
Program code must be debugged by the compiler before it can ever run.
Program code must be translated into a language the computer understands.
76
What is the approximate minimum possible time to run all 3 processes on one CPU in series? None rely on another
10 seconds
20 seconds
8 seconds
38 seconds
77
What is displayed after running the algorithm below?
133
145
12
43
78
Which of the following is a cause of the digital divide?
Lack of access to technology due to location
Lack of knowledge on how to use technology
All of the above
Lack of access to the technology due to affordability
79
In what order will the numbers appear after running the algorithm below?
5, 7, −6, 7
5, 7, 4, 3.5
5, 6, 3, 3
5, 6, −5, 6
80
Which of the following outcomes ismost likely to result from simulating packets traveling between computers on a network
Better understanding of a failed router's effect onpacket flow in a network
Better understanding of how binary is used to represent data in packets
Better understanding of how defend against phishing attacks
81
What is the minimum number of binary digits needed to store the number 56?
6
5
3
1
82
Which of the following are benefits to having information be easily accessible and changeable?
II and III only
I only
I and II only
I, II, and III
83
Which two cryptographic concepts is the drawing depicting?
Lexicographic and Asymmetric
Hash Codes and Key Transfers
Asymmetric and Symmetric
Symmetric and Steganography
84
Which of the following is true of effective collaboration?
I, III, and IV only
All of the above
I, II, III, and V only
II, IV, and V only
85
Which of the following events is most likely to take place among the DNS servers?
The .org name server will send the IP address of widgets.cs.fbhs.org
The widgets.cs.fbhs.org name server will send IP of widgets.cs.fbhs.org
The .org name server will send the IP address of widgets.cs.fbhs.org
The widgets name server will send the IP of the widgets.cs name server
86
What role does a compiler have in processing a high-level language?
The compiler checks for updates and installs programs onto the computer.
The compiler checks for updates and installs programs onto the computer.
The compiler ensures that the program has no runtime errors.
A compiler translates high-level code into machine code for the computer
87
What protocol below guides the rules about how data are subdivided into packets before transmission?
HTTP
DNS
TCP
FTP
88
For the following data structure, which search algorithm would work as intended to find the value 35?
Linear search
Binary search
Bubble sort
Insertion Sort
89
Which of the following is true about redundancy on the internet?
II and III only
I, II, and III
I only
I and II only
90
What percentage of the time will the program display an even number?
20%
10%
50%
40%
91
What should replace so the program below displays TRUE 60% of the time?
x MOD 2 = 1
x MOD 2 = 0
x MOD 5 = 5
x MOD 5 = 0
92
A high-level programming language allows for code to be re-used.
True
False
93
Which of the following does NOT need to be considered when determining the credibility of a source?
Publisher’s reputation and credentials
Sponsorship of the article or publisher
Author’s reputation and credentials
Use of persuasive techniques within the source
94
Which of the following can be represented by a single binary digit?
Light on / light off
Geographic location
Date
Time
95
Which of the following correctly identify methods of DNS cache poisoning?
DNS BINDing
Rogue Servers
DNS Key Distribution
96
Approximately how long will a 400 mb video take to download with a 700 kps bandwidth?
175 seconds
57.1 seconds
571 seconds
1.75 seconds
97
Which of the following data storage methods makes it the easiest for people in multiple locations to access data?
Mainframe Computer, as it can be accessed from many computers.
Magnetic Drive System. as it can handle all data types.
USB Flash Drive, can be copied and mailed to other users
Cloud Drive, as it allows for multiple users and version control.
98
A programming language that is statically typed determines a variable’s data type at runtime.
False
True
99
Which of the following procedures are valid replacements?
II only
II and III
I only
I , II , and III
100
How many lines need to be cut to completely isolate computer E from computer C?
6
8
0
3

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