1. Web pages are identified by _________________
2. URLs usually have the form:……………..
3. The part of the URL is usually ___________ which was specially designed for the web page retrieval. However, others are possible – for example FTP
4. The is the ………………….on which the WWW server is running. This will have to be mapped to an IP address via DNS before the TCP connection can be set up.
5. The in the URL locates the page within the server system’s file system
6. HTML pages usually contain links to other pages. Links are simply ……….
7. Pages often contain images. The image files are specified by URLs contained in the HTML.
8. Different protocols (remember, protocols form the first part of a URL) include:
9. Communication between different networks in an internetwork is facilitated by entities called _____________--
10. Gateways essentially interface between two networks that have different characteristics and move packets between them.
11. Read the excerpt and points below that describe what happens when you type a URL in. Fill in the blanks
12. Connect multiple networks of one or more organizations into a large, uniform communication system. The resulting system is called an internetwork or internet.
13. The Internet is the specific global internetwork that grew out of ARPA-NET for communication of between computer located anywhere in the world
14. What is the relationship between the Internet and the WWW?
15. What is the relationship between HTTP and HTML?
16. A URL is essentially….
17. The domain name in a URL (e.g. testandtrack (in www.testandtrack.io) is the identifier for a specific site and is made up of two parts:
18. On a LAN for two networked devices to communicate with each other, it would be essential for them to have a …..
19. In an inter-network there is the _______________ to help resolve hostnames into IP addresses.
20. The internetworking problem is as follows: Design a scalable network infrastructure that interconnects different smaller networks, to enable packets to be sent between hosts across networks of very different performance characteristics.