A Manager's Guide to the Internet and Telecommunications

Flashcards covering key concepts from 'A Manager's Guide to the Internet and Telecommunications,' focusing on Internet infrastructure, protocols, and practices.

What is a URL?

A uniform resource locator that identifies resources on the Internet along with the necessary application protocol to retrieve it.

What does 'SSL' stand for and what is its purpose?

Secure Sockets Layer; it creates an encrypted link between a Web server and a browser.

What is the role of DNS?

The domain name service (DNS) allows devices and services on the Internet to be named and discoverable, acting like a phone book.

What is cybersquatting?

The practice of knowingly registering a domain name to profit from someone else’s trademark or firm name, which is illegal.

What is load balancing?

Distributing a computing or networking workload across multiple systems to avoid congestion and ensure performance.

Explain TCP/IP in relation to Internet communication.

TCP ensures reliable data transmission by breaking messages into packets, while IP is responsible for routing these packets across the Internet.

What is a colocation facility?

A place where the gear from multiple firms can come together for the peering of Internet traffic.

What is the 'last mile' in Internet connectivity?

Technologies that connect end users to the Internet, often the slowest part of the network due to various limitations.

What is the difference between IPv4 and IPv6?

IPv4 uses a 32-bit address scheme allowing approximately 4.3 billion addresses, while IPv6 uses a 128-bit address scheme, greatly expanding available addresses.

What are VoIP and its importance?

Voice over Internet Protocol; technologies that enable voice communications over the Internet, essential for modern telecommunications.