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Duplicate of Review of "How the Internet Works" Unit Flashcards | StudBud
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Duplicate of Review of "How the Internet Works" Unit
Duplicate of Review of "How the Internet Works" Unit
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StudBud Administration
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An #Internet quiz for the #internet unit of #AP #Computer Science Principles
Flashcards
15 cards
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Practice quiz
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Questions
15
Answers
1
What is the minimum number of bits to encode a position on a 96 x 96 grid?
14
10
16
13
2
Why don't we need to know the numeric IP address for a website?
SSL encrypts numeric IP addresses
TCP ensures packets are delivered even if they lack an IP
DNS servers will match a numeric IP addresses to a Domain
The new IPv6 protocol no longer uses numeric IP addresses
3
Name an attack that would use multiple computers to flood a website with ping requests
Phishing
Man in the middle
Script Exploitation
DDoS (Distributed Denial of Service)
4
What happens when a host (e.g. computer) is connected to a new network?
A TCP packet number is assigned to the host
A new device driver is loaded into the host
The host loads a website using a browser
An IP address is assigned to the host
5
Which of the following best describes an IPv4 packet?
A packet that uses 32 bit addresses
A well known set of rules and standards
A certificate that validates the identity of the sender
A key that can be only used to encrypt not decrypt messages
6
A binary question can be defined as
Two questions which share the same answer
A question which can be answered in only two possible ways
A piece of information that is sent in pairs
A message which can be in two possible states
7
According to the Domain Name System (DNS), which of the following is a subdomain of sfusd.edu?
students.sfusd.edu
sfusd.unicorn
sfusd.org
sfusd.com
8
Which of the following is true statement about routing on the Internet?
Routers can not read the IP addresses of encrypted packets
Packets contain addresses that routers use to forward them
The is one router that all internet traffic passes through
Packets between 2 computers always take the same path
9
What is the minimum number of bits you need to encode 26 letters plus a space?
3
4
6
5
10
Why do DNS servers need to periodically update their list of IP addresses?
IP addresses can change
New protocols are constantly being introduced
The lists can become corrupted
The current standard of 128 bits is insufficient for DNS
11
What is 17 MOD 13?
17
13
4
0
12
Examine the wireshark screen shot. What is the hexadecimal ASCII code for S?
43
53
41
50
13
Which of the following has the greatest cybersecurity risk?
Paying a bill at PGE.com with a bank account
Using a debit card to get cash back at a convenience store
Purchasing from craigslist.org by emailing credit card info
Purchasing a new sweater at Amazon.com with a gift card
14
Put the following numbers in order from small to large: Binary 1101 Decimal 14 Hexadecimal C [=12]
Hexadecimal C Binary 1101 Decimal 14
Decimal 14 Binary 1101 Hexadecimal C
Binary 1101 Hexadecimal C Decimal 14
Binary 1101 Decimal 14 Hexadecimal C
15
Which of the following is most likely to be a phishing attack?
Email from a bank asking you to call about a suspicious item
Email from eBay with a link to update your credit card
Email from a friend on vacation
Email from Spotify asking you to log in and update payment
