Networking Essentials for Developers

Front

What is the primary purpose of the TCP protocol?

Back

To provide reliable, ordered, and error-checked delivery of data.

Front

Explain the difference between TCP and UDP.

Back

TCP is reliable and connection-oriented, while UDP is faster and connectionless.

Front

What does SSL stand for, and why is it important?

Back

Secure Sockets Layer

Front

Certificate Authority (CA)

Back

A certificate authority (CA) is a trusted entity that issues digital certificates to verify identities.

Front

Describe the role of DNS in networking.

Back

DNS translates domain names into IP addresses, enabling user-friendly access to websites.

Front

What is the function of an IP address?

Back

To identify and locate devices on a network.

Front

What is the difference between IPv4 and IPv6?

Back

IPv4 has 32-bit addresses; IPv6 has 128-bit addresses, allowing for a much larger address space.

Front

What does NAT stand for, and what is its purpose?

Back

Network Address Translation

Front

Subnet mask

Back

A subnet mask is used to determine the network and host portions of an IP address.

Front

Explain what a VPN is and its benefits.

Back

A VPN provides benefits such as enhanced security, privacy protection, access to restricted content, and the ability to bypass geographical restrictions.