XII D INFORMATICS PRACTICES (JUNE 2014 MONTHLY TEST)
KENDRIYA VIDYALAYA NO. 1 , NAUSENABAUGH
, VSKP-05
XII D INFORMATICS
PRACTICES (JUNE 2014 MONTHLY
TEST)
Time Allowed : 90 Minutes Max Marks :
40
Note : All questions are
compulsory.
1. Mr. Khanna want
to prevent unauthorised access
to/from his Company’s Local Area Network. Write the Name of a system
(software/hardware) , which should be used by him to achieve it. 1M
2. Central
Hindu School is planning to connect all computers, each spread over distance
within 50 meters. Suggest an economical cable type having high speed data transfer,
which can be used to connect these computers. 1M
3. Give name of any two free and popular
Internet Browsers? 1M
4. Ms. Sen
, Manager of a Global Company
recently discovered that the communication between her company’s ACCOUNT
Office and HR Office is extremely slow and signals drop quite
frequently. These offices are 125 meters away from each other and connected by
an Ethernet cable. 2M
(a) Suggest her device, which can be installed in
between the offices for smooth communication.
(b) What type of network is formed by having this
type of connectivity out of LAN/MAN/WAN?
5. Give an advantage of using Star Topology
over Bus Topology? Show a network Layout of star topology to connect 5
computers 2M
6. Give suitable Example of URL and Domain Name?
1M
7. Write the name of the Most suitable wireless
communication channels used in the following
given situations: 2M
(a) Communication between two offices in
different Countries.
(b) To transfer the data from one mobile phone to another
8. Define UNICODE? What are the advantages of
using it? 2M
9. Define Network Security? Name any two common threats? 2M
10. What is MAC Address? How it is different
with IP Address? 2M
11. Gupta & Sons Textiles Ltd. Is a fashion design company having two units/buildings,
Design Unit and Market Unit 150 meters away from each other. The company recently
connected their LANs using Ethernet cable to share the stock related
information. But, after joining they are
not able to share info due to loss of signal in between. Suggest a Device to be
installed for smooth and effective communication. 1M
12. Which of the following is not a feature of
Networking : 1M
(a) Resource sharing
(b) Reliability
(c) Uninterrupted Power Supply
(d) Reduced Cost
13. Name any FOUR Indian Scripts included in
Unicode. 2M
14. What are 2 Differences between Proprietary
and Open Source Software . 2M
15. Identify the type of topology from the
following: 2M
(a) In it each node is connected with the help of
a single co-axial cable.
(b) In it each node is connected with the help of
independent cable with the help of a central switching.
16. Define the following with respect to the
treat to the Network Security? 2M
(a) Worm
(b) Trojan Horse
17. What is difference between SWITCH and HUB? 2M
18. What are advantages and disadvantages of
using Optical Fibre Cable? 2M
19. Which
device is used for connecting multiple networks over different protocols? 1M
20. Identify the following topologies. 2M
(a) A
signal/data packets transmit from one end to other end in linear way.
(b) Each node is
connected to two and only two neighbouring nodes in circular form.
21. Utkarsh wants to upload his own web site on
internet, write the necessary protocol to
upload the web site. 1M
22. The
ABC organization is planning to link its sales counter situated in various
parts of the same city, which type of network out of LAN, MAN or WAN will be
formed? Justify your answer. 1M
23.
Arrange the following communication channels in ascending order of their data transmission rates 1M
Optical Fibre, Co-axial Cable, Ethernet Cable, Telephone Cable
24.
Expand the following terms: 4M
FLOSS, HTTP, ODF, TCP/IP, GNU, JPEG, HTML, PAN, PPP, ISCII
