Holiday Homework

Information Technology ^{[code 402]}

1.

Write a brief note on any three different types of blocks .

Ans:-

# Personal blogs :- This is the most common type of blog. Maximum numbers of blogs on the Internet belongs to this category . After all, blogging started off as a way of creating an online diary . A typical blogger may be keen on posting stories about their interest such as fishing, or dancing, or collecting something .

# News and views:- This type of blog contains factual stories about news maintained by journalist. News and televisions company such as the BBC have many professional journalist who post stories and views about the latest events. Visitors can add their own opinion as well.

# company blocks:- Many companies run blocks to let their customers and client know about what is going on in the company that would interest clients or customers search as new products coming up or progress being made on some project.

2.

Write the differences between Web page and Website .

Ans:-

A web page is a digital document that is linked to the world wide web.
where as;
A website is a group of related web pages hosted on a web server and are linked together and share a common interface and design.

3.

What is a Web service ? Discuss the various Web services in brief

Ans:-

Web services services or applications available by wave through the use of specific protocol . There are divorce wave services available today example chat, email, video conferencing, social networking, e-shopping, etc.

Chat:- online textual talks is called chatting . Chatting is one of the popular services of internet.

E-mail:- email stands for electronic mail it is most widely used tool to send messages electronicly (e.i., through computers) on a network.

E-learning:- it refers to the learning that takes place in an electronicle related environment.

E-shopping:- the process of shopping done over the internet is called online shopping or e-shopping. Both products and services can be purchase through online shopping.

4.

What do you understand by mobile technology ? Explain 3G and 4G

Ans:-

A Cellular network or Mobile network is a radio network distributed over land areas called cells, each served by at least one fixed-location transceiver, known as a cell site or base station.

3G and 4G are both mobile data connections, but 3G is an older technology associated with the first wave of touch-screen smartphones. 4G is a newer technology that delivers much faster speeds, and supports more intensive mobile activity such as streaming. The 3G technology offers a maximum download rate of about 21 Megabytes per second. The 4G technology can download videos at a much faster rate, that can go as high as 1 Gigabyte per second.

5.

Discuss briefly a few advantages of video conference .

Ans:-

Video conferencing boosts productivity, saves time, reduces travel expenses, and overall promotes collaboration. The advantage of video conferencing is the ability to facilitate all of those benefits without requiring constant travel for face-to-face communication.

1. Saves time and resources :–
For any businesses to run properly, it is important for efficient and effective communication to exists in the organization. In the earlier days, the only way different offices could communicate effectively was by having meetings together, which required the employees to travel a lot. But now one can organize the meeting vai video conferencing.

2. Increases productivity of the employees :–
Live video conferencing companies and video conferencing service providers have made internal communication easier, faster, and more convenient than ever. Due to video conferencing tools, anyone or any team in the entire organization can communicate with any other team or employee.

3. It has a lot of intangible benefits too :–
Along with increasing the productivity of the organization in general, live conferencing tools also have a lot of intangible benefits for any organization such as a strong sense of community due to the personal face-to-face conversation instead of only hearing the voice of the person they’re communicating with.

6.

How does FTP works ?

Ans:-

FTP works on the principle of a client/server model. A FTP client program enables the user to interact with a FTP server program in order to access information and services on the server computer. To access FTP server program users must be able to connect to the Internet or interact with FTP client program. Once connected, the customer can do a number of file manipulation operations such as uploading file to the server downloading file from the server renaming or deleting file on the server and so on.

7.

Discuss the components of a URL with an example .

Ans:-

URL stands for Uniform Resource Locator and is a unique reference to a resource (unique address of a web page ) on the Internet.

A URL has two main components:

Protocol identifier: For the URL http://example.com, the protocol identifier is http.
Resource name: For the URL http://example.com, the resource name is example.com.

8.

How does an SSH protocol protect data ?

Ans:-

By authenticating and encrypting every session, SSH in networking protects data against overt forms of cyberattack perpetrated by system hijackers, as well as subtler forms of information theft like packet sniffing.