APCSP PRACTICE TEST HIGH-YIELD TOPICS
SUMMARY 2026
◉ What is the 4-bit binary number for the decimal number 10
Answer: B: 1010
◉ Number bases, including binary, decimal, and hexadecimal, are
used to view and represent digital data. Which of the following is not
true about representing digital data?
Answer: D: there is a limit to the number of things that can be
represented in binary data at which point switching to hexadecimal
representation is necessary.
◉ 8 bits is enough to to represent 256 different numbers. How many
bits do you need to represent 512 (twice as many) numbers?
Answer: A. 9 bits
◉ The internet engineering task force (IETF) defines the protocols
and standards for how the Internet works. The members of the IETF
are:
Answer: C. A loosely organized collection of citizens and engineers
who communicate mostly by email.
,◉ What is an RFC?
Answer: B. Request for comments
◉ Choose the two best answers to complete the sentence: If I
understand how the Internet works, then I will be able to :
Answer: A: make informed choices to support or oppose decisions
my government makes about access to the Internet
C: make informed choices about my pricey on the Internet
◉ To improve communication in playing battleship on the Internet
simulator, you group invented a(n):
Answer: C: protocol
◉ Which of the following information is not necessary in your
protocol to play battleship?
Answer: D: Time of Day
◉ How many users would a fixed length IP address system using 6
bits support?
Answer: D: 64 users
◉ In the Internet simulator, your router knows to sent your message
to a different router because:
, Answer: C: the first 4 bits of the address specify the router number
that your friend is on
◉ A user clicks on a website, and it begins to load immediately, but it
takes a long time to load completely and pictures appear slowly, one
by one. Which of the following is demos treated through this
situation?
Answer: D: low bandwidth, low latency
◉ Which of the following is not true about packets?
Answer: B: A message sent across the Internet can always be
contained in a single packet.
◉ A system central register of IP addresses and names (a DNS style
system) is an efficient means of translating human readable names
to IP Addresses. Which of the following is not a DNS?
Answer: B: there are too few IP addresses to meet current demand
◉ What features of DNS and IP allow the Internet to scale?
Answer: B: hierarchy
◉ HTTP is considered to be a high level protocol because:
Answer: D: HTTp requests make up of abstractions provided by
lower level protocols
SUMMARY 2026
◉ What is the 4-bit binary number for the decimal number 10
Answer: B: 1010
◉ Number bases, including binary, decimal, and hexadecimal, are
used to view and represent digital data. Which of the following is not
true about representing digital data?
Answer: D: there is a limit to the number of things that can be
represented in binary data at which point switching to hexadecimal
representation is necessary.
◉ 8 bits is enough to to represent 256 different numbers. How many
bits do you need to represent 512 (twice as many) numbers?
Answer: A. 9 bits
◉ The internet engineering task force (IETF) defines the protocols
and standards for how the Internet works. The members of the IETF
are:
Answer: C. A loosely organized collection of citizens and engineers
who communicate mostly by email.
,◉ What is an RFC?
Answer: B. Request for comments
◉ Choose the two best answers to complete the sentence: If I
understand how the Internet works, then I will be able to :
Answer: A: make informed choices to support or oppose decisions
my government makes about access to the Internet
C: make informed choices about my pricey on the Internet
◉ To improve communication in playing battleship on the Internet
simulator, you group invented a(n):
Answer: C: protocol
◉ Which of the following information is not necessary in your
protocol to play battleship?
Answer: D: Time of Day
◉ How many users would a fixed length IP address system using 6
bits support?
Answer: D: 64 users
◉ In the Internet simulator, your router knows to sent your message
to a different router because:
, Answer: C: the first 4 bits of the address specify the router number
that your friend is on
◉ A user clicks on a website, and it begins to load immediately, but it
takes a long time to load completely and pictures appear slowly, one
by one. Which of the following is demos treated through this
situation?
Answer: D: low bandwidth, low latency
◉ Which of the following is not true about packets?
Answer: B: A message sent across the Internet can always be
contained in a single packet.
◉ A system central register of IP addresses and names (a DNS style
system) is an efficient means of translating human readable names
to IP Addresses. Which of the following is not a DNS?
Answer: B: there are too few IP addresses to meet current demand
◉ What features of DNS and IP allow the Internet to scale?
Answer: B: hierarchy
◉ HTTP is considered to be a high level protocol because:
Answer: D: HTTp requests make up of abstractions provided by
lower level protocols
