Read and write capacity units in DynamoDB - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to set the read capacity units to 5 in the DynamoDB table creation.

DynamoDB

TableName: "MyTable",
ProvisionedThroughput: {
  ReadCapacityUnits: [1],
  WriteCapacityUnits: 10
}

Drag options to blanks, or click blank then click option'

A5

B20

C0

D10

Attempts:

3 left

💡 Hint

Common Mistakes

Confusing read capacity units with write capacity units.

Setting the value to zero which disables reads.

The read capacity units specify how many strongly consistent reads per second the table can handle. Setting it to 5 means the table can handle 5 such reads per second.

2fill in blank

medium

Complete the code to set the write capacity units to 15 in the DynamoDB table creation.

DynamoDB

TableName: "Orders",
ProvisionedThroughput: {
  ReadCapacityUnits: 10,
  WriteCapacityUnits: [1]
}

Drag options to blanks, or click blank then click option'

A10

B5

C15

D20

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing up read and write capacity units.

Choosing a value less than the required 15.

Write capacity units define how many writes per second the table can handle. Setting it to 15 means the table can handle 15 writes per second.

3fill in blank

hard

Fix the error in the code by choosing the correct value for read capacity units (must be a positive integer).

DynamoDB

ProvisionedThroughput: {
  ReadCapacityUnits: [1],
  WriteCapacityUnits: 10
}

Drag options to blanks, or click blank then click option'

A-5

B10

C0

D"five"

Attempts:

3 left

💡 Hint

Common Mistakes

Using zero or negative numbers.

Using strings instead of numbers.

Read capacity units must be a positive integer. 10 is valid, while negative numbers, zero, or strings are invalid.

4fill in blank

hard

Fill both blanks to set read capacity units to 8 and write capacity units to 12.

DynamoDB

ProvisionedThroughput: {
  ReadCapacityUnits: [1],
  WriteCapacityUnits: [2]
}

Drag options to blanks, or click blank then click option'

A8

B12

C5

D10

Attempts:

3 left

💡 Hint

Common Mistakes

Swapping read and write capacity values.

Using incorrect numbers.

Read capacity units are set to 8 and write capacity units to 12 as required.

5fill in blank

hard

Fill all three blanks to create a DynamoDB table with name 'Users', read capacity units 6, and write capacity units 9.

DynamoDB

CreateTable({
  TableName: [1],
  ProvisionedThroughput: {
    ReadCapacityUnits: [2],
    WriteCapacityUnits: [3]
  }
})

Drag options to blanks, or click blank then click option'

A"Users"

B6

C9

D"Orders"

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong table name.

Mixing up read and write capacity units.

Omitting quotes around the table name.

The table name is 'Users', read capacity units are 6, and write capacity units are 9 as specified.