Answer all of the following questions:

1. Describe two different types of authentication that provide the assurance that data passing through all intermediate sites between sender and receiver is not compromised

2. Write a command to create a key entry in key store using keytool with following parameters

Algorithm: DSA

Alias: itnw4115

Keysize: 512

Validity: 45 days:

3. Write a command to list all the key entries available in key store.