List of top Informatics Practices Questions

In data processing cycle after generating output, data is summarized using some statistical techniques. Choose the technique that is not used for Data summarization from the options given below
(A) Mean 
(B) Matplotlib 
(C) Mode 
(D) Rank 
(E) Numpy 
Choose the correct answer from the options given below :

is a combination of hardware and software which tulfill request by the web browser.

Which of the following are true about cookies.
(A) A cookie is a text file containing a string of information which is transferred by the website to the Browser when we browse it. 
(B) The information stored is retransmitted to the server. 
(C) It helps in customizing the information that will be displayed. 
(D) Cookies are always harmless. 
(E) First cookie software was created in 1994 at Netscape. 
Choose the correct answer from the options given below :

A scenario wherein a hacker limit or stop an authorised used to access service, device or other resource by overloading that resource with illegitimate request -

Which of the following are correct about firewall ?
A. Firewall can be implemented only in software
B. Firewall can be implemented only in hardware
C. Firewall can be implemented both hardware as well as software
D. Firewall can be implemented among two or more networks
E. Firewall acts as a first barrier against malware
Choose the correct answer from the options given below :

The File Transfer Protocol (FTP) requires a reliable transport service. Which protocol of the TCP/IP suite does it use ?

When a hacker uses knowledge to find and help in fixing the security flaws in the system is called -

A ______ is a hardware device or software program that prevents unwanted traffic.

Which of the following is measured in Kbps, Mbps and Gbps ?

To define the limit of axes of a chart, which function can be used ?

Match List I with List II

List I		List II
A.	IP Address	I.	www.ncert.nic.in
B.	URL	II.	FC:FS:AE:CE:7B:16
C.	Domain Name	III.	https:/www.cbse.nic.in/skillsubject
D.	MAC	IV.	164.100.163.65

Choose the correct answer from the options given below :

A sender wants to transmit their data at the rate of 3200 bit-per 16 second. What will be the data rate of the channel ?

The number of pins in an RJ45 connector is :

What is the full form of OGD ?

Match List I with List II

List I		List II
A.	Mesh	I.	nodes connected linearly
B.	Bus	II.	n connections
C.	ring	III.	central device connected to all nodes
D.	star	IV.	(n*(n-1))/2 connections

Choose the correct answer from the options given below :

Modulation is the process of ______

____ is a unique address that can be used to uniquely identify each node in the network.

_____ is not a Temporary fastener.

Choose the Correct statement for the given figure:

Choose the Correct statement for the given figure:

Choose the Correct statement for the given figure:

Choose the Correct statement for the given figure:

_____ is used for drawing isometric projection.

Consider the following series:
SeriesA = pd.series([1, 2, 3, 4, 5], index = ['a', 'b', 'c', 'd', 'e'])
SeriesB = pd.series([10, 20, -10, -50, -100], index=['z', 'y', 'a', 'c', 'e'])

Based on the above paragraph answer the following questions:

Read the passage carefully and answer the question based on the passage :
In the current digital era we are familiar with different kinds of social media. These are the websites that enable users to participate in social networking by creating and sharing contents with others in the community. In this way users can interact with others online users of those social media apps. There are certain etiquettes which need to be followed on social media too, because whenever we surf the internet we leave a trail of the activities we perform online. When the computer and network is used as a tool to perform criminal activities or offences can be considered as cyber crime like hacking, phishing, spamming. We should be careful as excessive usage of digital devices has a negative impact on our physical as well as psychological well being.