Network security and bind IP in MongoDB - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to set the bind IP address in the MongoDB configuration.

MongoDB

net:
  bindIp: [1]

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

A"0.0.0.0"

B"255.255.255.0"

C"127.0.0.1"

D"192.168.1.1"

Attempts:

3 left

💡 Hint

Common Mistakes

Using 0.0.0.0 allows connections from any IP, which is insecure by default.

Using a subnet mask like 255.255.255.0 is invalid here.

The default bind IP for MongoDB is "127.0.0.1", which means it listens only on localhost for security.

2fill in blank

medium

Complete the command to restart MongoDB after changing the bind IP.

MongoDB

sudo systemctl [1] mongod

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

Arestart

Bstop

Cstart

Dstatus

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'start' when the service is already running won't apply changes.

Using 'stop' alone will stop the service but not start it again.

After changing the bind IP, you must restart the MongoDB service to apply changes.

3fill in blank

hard

Fix the error in the bind IP configuration line to allow connections only from localhost.

MongoDB

net:
  bindIp: [1]

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

A"localhost"

B"0.0.0.0"

C"::"

D"127.0.0.1"

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'localhost' string instead of IP address causes config errors.

Using 0.0.0.0 allows all IPs, which is insecure.

"127.0.0.1" is the correct IPv4 loopback address for localhost. "localhost" as a string is invalid here.

4fill in blank

hard

Fill both blanks to configure MongoDB to bind to localhost and a specific IP address.

MongoDB

net:
  bindIp: [1],[2]

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

A"127.0.0.1"

B"192.168.0.100"

C"0.0.0.0"

D"localhost"

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'localhost' string instead of IP address.

Using 0.0.0.0 which opens to all IPs.

Binding to both "127.0.0.1" and a specific LAN IP allows local and network connections.

5fill in blank

hard

Fill all three blanks to create a MongoDB configuration snippet that binds to localhost, disables authorization, and sets the port to 27017.

MongoDB

net:
  bindIp: [1]
security:
  authorization: [2]
  keyFile: [3]

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

A"127.0.0.1"

B"disabled"

Cnull

D"enabled"

Attempts:

3 left

💡 Hint

Common Mistakes

Setting authorization to 'enabled' without a keyFile causes errors.

Using a string 'null' instead of null value.

Binding to localhost restricts connections, disabling authorization turns off access control, and keyFile is null when authorization is disabled.