Introduction to Computer Networks — Computer Science STD 12 Science — Question

Rewrite the following code in Python after removing all syntax error(s). Underline each correction done in the code.

Out of the following, which all comes under cyber crime? [Delhi 2015]

(a) Stealing away a brand new computer from a showroom.

(b) Getting in someone’s social networking account without his consent and posting pictures on his behalf to harass him.

(c) Secretly copying files from server of a call center and selling it to the other organization.

(d) Viewing sites on a internet browser.

Observe the following table and answer the parts (i) and (ii) accordingly

Table: Product

Pno	Name	Qty	PurchaseDate
101	Pen	102	12-12-2011
102	Pencil	201	21-02-2013
103	Eraser	90	09-08-2010
109	Sharpener	90	31-08-2012
113	Clips	900	12-12-2011

(a) Write the names of most appropriate columns, which can be considered as candidate keys.

(b) What is the degree and cardinality of the above table?

Categorise the following under Client Side and Server Side script category:

(i) VB Script

(ii) ASP

(iii) JSP

(iv) JavaScript

What will be the status of the following list after the First, Second and Third pass of the bubble sort method used for arranging the following elements in descending order ?

Note: Show the status of all the elements after each pass very clearly underlining the changes. 152, 104, -100, 604, 190, 204

Write the python function to accept the employee number as parameter and find out whether the record is present in the table or not.

What is Worm? How is it removed?      

WAF update_record_rool(n) to read the student number as parameter and update the record in student table.

What is the purpose of a Server in a network?

Write a program using recursion function to accept the list from the user and print sum of all the elements in the list.