Review Test 3 CS 101 Spring 2019

1. The HTML tag <a href= creates a table starts a hyperlink must be balanced with a </a> tag all the answers but #1

2. A browser is made to interpret Binary codes and show the calculations on the screen HTML and show a web page on the screen ASCII codes and show the Unicode A programming language like Java and show the result

3. Indexing a field in a DBMS Makes it able to hold more data Makes searches and sorting a bit faster Makes editing a record faster Erases any inconsistent records

4. An HTML tag <li> is used To draw a horizontal line across the screen To start a new list item in a list To start a new row in a table To make a word underlined

5. Concurrent access of database files Means users using the same database management system at the same time Means two or more users using the same database file across the network Can cause errors in the database file if two users are allowed to read at the same time Is allowed by MS Access by creating the lock file

6. The HTML tag <title> Creates a big header at the top of the web page Puts a message in the title bar of the browser window Gives the default value for the bookmark text for that page B and C

7. The World Wide Web was created by Microsoft Oracle ICANN Tim Berners-Lee

8. The constraints on a key field are The values of the field have to be unique The field cannot be empty in any record It must be a text field A and B

9. A DBMS which is used for very large amounts of data in business is A. mySQL B. Oracle C. MS Access D. DB2

10. The “or” operator in a query Will give more results than an “and” operator Is expressed by putting different criteria on different lines in the query table Will give a hit only if both criteria are satisfied None of the answers

11. Referential integrity has to do with DBMS enforcing relationships between tables A DNS server translating between IP numbers and domain names HTML code being interpreted by a browser A translator changing high-level code to machine code

12. A is one-to-many with B means For one A, there is zero or more B’s For one B, there is one or more A’s B must be a numeric field Both A and B are true

13. The Internet arose from the combination of The World Wide Web and mailing lists NSF Net and ARPA Net Some commercial networks CompuServe and MilNet None of the above

14. Net neutrality is guaranteed by the Internet protocols supported by the large telecoms treating all packets on the Internet equally impossible at this stage of technology

15. Data validation in a DBMS includes checking the data types checking the data values checking the indexing of the fields all of the answers

16. The front end of a DBMS is the ability to sort data in any order the user interface to interact with the data the software that allows backups to be made the price for the first version of the software