System Analysis and Design Paper 47

Among services available on the World Wide Web are
i. Encryption
ii. HTTP
iii. HTML
iv. Firewalls

HTML tags define

SGML stands for

The advantages of XML over HTML are
i. It allows processing of data stored in web-pages
ii. It uses meaningful tags which aids in understanding the nature of a document
iii. Is simpler than HTML
iv. It separates presentation and structure of document

Each computer connected to the internet must

Internet packet data structure consists of
i. source address
ii. destination address
iii. serial number of packets
iv. message bytes
v. control bits for error checking
vi. path identification bits

A web page is located using a

HTML is similar to a

In order to interpret XML documents one should

DTD definition is used along with XML to specify