AWS, JavaScript, React - Deploy Web Apps on the Cloud - Password Versus SSH Key Authentication

The video tutorial explains the importance of secure authentication, highlighting the vulnerabilities of plaintext passwords to brute force attacks. It introduces SSH key authentication as a more secure alternative, detailing the tools available in the Open SSH suite. The tutorial covers the installation of SSH clients on various operating systems and explains the SSH protocol's architecture, including its transport, authentication, and connection layers. It provides an in-depth look at SSH key authentication, describing the roles of private and public keys. Finally, it outlines practical use cases for SSH, such as securing remote access and file transfers.

Why are plaintext passwords considered insecure for server authentication?

• They require frequent changes.

• They are susceptible to brute force attacks.

• They can be easily guessed by attackers.

• They are too long to remember.

Which of the following is NOT a component of the Open SSH suite?

• Open SSH Secure File Transfer

• Open SSH Daemon

• Open SSH Remote Login Client

• Open SSH Firewall

What is the primary function of the transport layer in the SSH protocol?

• To execute remote commands

• To handle file transfers

• To establish an encrypted connection

• To manage user authentication

What is the role of the authentication layer in the SSH protocol?

• To manage network connections

• To authenticate users

• To encrypt data

• To transfer files

What is the relationship between a private key and a public key in SSH key authentication?

• Both keys are identical.

• A private key is generated from a public key.

• A public key is generated from a private key.

• They are unrelated.

Where should the private key be stored in SSH key authentication?

• On a public website

• On the client's computer

• In a shared folder

• On the server

What is a key pair in SSH key authentication?

• A combination of two public keys

• A combination of two private keys

• A combination of a private key and a public key

• A combination of a key and a password