CSP Chapter review

Many types of computing devices made by many types of companies can all access the internet. Which of the following makes this access possible?

• Large bandwidth

• Open Standards and protocols

• Redundancy

• Fault Tolerance

How does redundancy improve the scaling of the Internet?

• Redundancy makes connections more reliable, which ensures that computers are always on the Internet

• 
  Redundancy leads to every communication being repeated, which ensures that the connected devices ado not disconnect from each other

• Redundancy leads to every communication being repeated, which keeps the data from being lost.

• Redundancy makes connections more reliable, which means that more devices are able to communicate without interruption.

• 2

• 3

• 1

• 2

Which of the following statements is true? 

• All of the above

• Packets always choose the fastest path available from sending computer to receiving computer

• Packets can travel different paths from the sending computer to the receiving computer 

• Packets must be received in order they are sent to be reassembled

• I, II, and III

• I 

• I and II

• II and III

• I, II, III

• I

• II and III

• I and II

• 120 seconds

• 30 Seconds

• 80 seconds

• 70 seconds

• 30 seconds

• 70 seconds

• 90 seconds

• 120 seconds

• 90 seconds

• 180 seconds

• 130 seconds

• 50 seconds

  
  

When run in series, a program that checks pictures for ears takes 1,000 seconds to check 100 pictures. When running the same program in parallel, the two programs takes 10 seconds to check 100 pictures. What is the speedup for the parallel solution?

• 1000

• 100

• 1

• 10