Exam

Question 1

What is the consensus protocol of the Tezos Blockchain?

Proof-of-Work (PoW)

Proof-of-Stake (PoS)

Delegated Proof-of-Stake (DPoS)

Liquid Proof-of-Stake (LPoS)

Secure Proof-of-Stake (SPoS)

Proof-of-History (PoH)

Zero-Knowledge-Proof (ZKP)

Question 2

What is baking?

It is the act of delegating Tez to earn passive interest.

It is the act of creating, signing and publishing blocks to the Tezos blockchain.

It is the act of monitoring transaction of the Tezos blockchain.

Question 3

How many tezos must be delegated to a private key to represent a roll?

4,000ꜩ

8,000ꜩ

16,000ꜩ

32,000ꜩ

64,000ꜩ

Question 4

How many blocks are in a cycle?

256 blocks

512 blocks

1024 blocks

2048 blocks

4096 blocks

Question 5

Once selected, how long will a baker have to freeze part of his tokens to bake a block?

1 cycle

2 cycles

5 cycles

10 cycles

Question 6

What is true about baker and endorser selection?

Rolls snapshots are done every 256 blocks and define who can bake.

Rolls snapshots are done every 5 cycles and define who can bake.

The order of baking is done using a pseudo-random number generator based on a seed.

The selected rolls determine the baking and endorsing rights for the next 5 cycles.

The selected rolls determine the baking and endorsing rights for the next cycle.

It is a round-robin process that cycles on the list of priorities until the end of the cycle.

Question 7

What does an accuseer monitor?

He monitors that a baker does not create two competing blocks at the same level.

He monitors that a baker does not steal his delegators' rewards.

He monitors that an endorser does not endorse a block twice or more at the same baking slot.

He monitors that baker and endorser selection is fair.

Question 8

What is true about the Tez inflation?

Each new block generates 80 new Tez as a reward.

The inflation rate for the first year was about 2.0%.

Each new block generates 40 new Tez as a reward.

The action of burning Tez decreases the inflation rate.

The inflation rate for the first year was about 5.5%.

The inflation rate decreases each year.

Question 9

For a high priority baking, how much is the baking reward per endorsement?

0.1875 ꜩ

0.8333 ꜩ

1.2500 ꜩ

5.5000 ꜩ

Question 10

If an endorser has been attributed 3 slots for a low priority block, how much will his reward be?

0.8333 ꜩ

1.2500 ꜩ

2.5000 ꜩ

3.7500 ꜩ

Question 11

Which of the following Tezos blockchain actors is considered a delegate?

A delegator.

A baker.

An endorser.

An accuser.

A voter.

Question 12

What is the minimum amount required to become a baker?

None

1 ꜩ

32 ꜩ

512 ꜩ

8000 ꜩ

16 000 ꜩ

Question 13

During the Baking process, what fraudulent motive results in the loss of its frozen Tez?

Double baking.

Inactivity during baking process.

Double endorsement.

Baker that's not paying his delegators.

Question 14

What is the correct command line to run a baker on the Mainnet, supposing the account alias is "bob"?

`tezos-baker-009-PsFLoren run with local node ~/.tezos-node bob`

`tezos-baker-010-PtGRANAD run with local node ~/.tezos-node bob`

`tezos-baker-alpha run with local node ~/.tezos-node bob`

Question 15

What are the two periods in which you can realize a "ballot" operation?

Proposal period

Exploration period

Cooldown period

Promotion period

Adoption period