Question 6 of 229
A ____________cipher basically means it is using a fixed key which replaces the message with a pseudorandom string of characters. It is basically the encryption of each letter one at a time.
What is the cipher type?
Correct Answer: A

Question 7 of 229
You currently using the Metamask Chrome plugin and you see a selection for Etherescan in the plugin.
What is Etherscan used for?
Correct Answer: A

Question 8 of 229
What are two challenges with using a Proof of Work algorithm? (Select two.)
Correct Answer: C, D

Question 9 of 229
Your customer is an enterprise that is focused on financial sectors.
What type of blockchain would this customer likely want specified for their enterprise?
Correct Answer: D

Question 10 of 229
Which is the following is the metaphor that describes a logical dilemma that plagues many computer networks?
Correct Answer: B

The correct metaphor that describes a logical dilemma affecting computer networks is the Byzantine Generals' problem. This problem involves coordinating among multiple generals, or nodes, to agree on a unified strategy in the presence of some traitorous generals who may act maliciously or fail, causing communication issues. The problem highlights the challenges of reaching a consensus in distributed computing systems, particularly in the presence of faults or malicious actors.