XII-IP-SUMMER VACATION HOME WORK
SUMMER VACATION HOME WORK FOR XII- INFORMATICS PRACTICES 2014-15
(Note : Some questions get repeated. Attempt repeated
questions only one time.)
1.A). Mr. Ramesh is working in an Global Organisation. He
wants to login in his office’s computer from his home.Suggest the protocol for
the same.
1.B). Which device is used for connecting multiple
networks over different protocols?
1.C.) Identify the following topologies.
(1) A signal/data packets transmit
from one end to other end in linear way.
(2) Each node is connected to two
and only two neighboring nodes in circular form.
1.d) Write any two scripts
included in Indian Languages on Unicode.
1.e) What is the difference
between free software and freeware ?
1.f) Arun is not clear about
the wireless and wired media of communication kindly
describe it to him with
suitable example.
1.g)
Explain the term ODF and Ogg Vorbis. What are the advantages of these over
others?
………………………………………………………………………………………….
2.a) Mrs. Geetha is surfing over internet and he wants
to know the IP Address of particular website.Do you know which process he has
to do to obtain IP Address from website’s name?
2.b) Mr. Loknath wants to
send/receive e-mail over TCP/IP networks(internet).Which protocol he can use
for this purpose?
2.c) An Internet Service
Provider has a network within a city area.Which type of network is it?
2.d) Which transmission
technology can we use for connecting two countries over an ocean?
2.e) Differentiate between HUB
and SWITCH devices.
2.f) Explain following terms.
(1) Apache Server (2) Linux
2.g) What is Font ?Which are two parameters for to
categorized them?
3.a) Mr. Ram is interested in transferring songs from
his mobile to Mr. Shyam’s mobile. Suggest two suitable wireless options he may
use for doing the same. 1
3.b) Neha wants to
upload/download files from/to a remote internet server.Write the name of the
relevant communication protocol, which will let her do the same. 1
3.c) It is technology on
computer networks whose purpose is to prevent unwanted networking connection
according to some filtering/blocking rules. What is it? 1
3.d) Which of the following are
open standards? 1
(1) .OGG (2) .DOC (3) .TTF (4)
. JPEG
3.e) What is DOS(Denial of
Service) ? Explain briefly. 2
3.f) Differentiate between
Dedicated and Non-dedicated server. 2
3.g) List out any four advantages of Open Standards.
(4.a)Jayant
transferred one file to one remote host at head office. Which protocol is used
for this purpose.
(4.b)Which
device is used to convert digital signals to analog and analog signals to
digital signals.
(4.c)Which
channel is used to carry information or data from one point to another.
(4.d)Kamal
wants to connect his computer with the LAN but he is unable to connect it.
Suggest him the device which he will fix in his computer so that he will be
able to connect LAN cable with his computer.
(4.e)What
is a MAC address? Write its example.
(4.f)Define
the following. (i) Node (ii) Bps
(4.g)What is meant by network topology? Write the name
of any 4 topologies
(5.a)Which protocol is used to
translate domain names to associated IP address?
(5.b)Amit has a Hub in his office
to connect all the computers but speed is slow due to collision suggest any
other device for this purpose so the speed can be increased.
(5.c)Write the name used to refer
the difference between the highest and lowest frequencies of a transmission
channel.
(5.d)Write the name of the
computer which takes the services from other computer.
(5.e)Why do we use repeater in a
network?
(5.f)How is Coaxial cable
different from Optical Fiber?
(5.g)Compare
freeware and shareware software.
(6.a) Ms. Taufiq Ahmed wants to
prevent unauthorized access to/from his company's
local area network. Write the
name of a system (software/ hardware), which
he should install to do the same
1
(6.b) Beauty Lines Fashion Inc.
is a fashion company with design unit and market
unit 135 metres away from each
other. The company recently connected their
LANs using Ethernet cable to
share the stock related information. But after
joining their LANs, they are not
able to share the information due to loss of
signal in between. Which device
out of the following. should you suggest to
be installed for a smooth communication?
(i) UPS
(ii) Modem
(iii) Repeater
(6.c) which of the following is
not a feature of Networking?
(i) Resource sharing
(ii) Uninterrupted power supply
(iii) Reduced cost
(iv) Reliability
(6.d) Name any two Indian scripts
included in Unicode.
(6.e) Mr. Jayanto Das is confused
between Shareware and Open source software
Mention at least two points of
differences to help her understand the same.
(6.f) Identify the type of
Topology from the following:
(i) If each node is connected
with the help of independent cable with the
help of a central switching
(communication controller)
(ii) If each node is connected
with the help of a single co-axial cable.
(6.g) Define the following with
reference to Threats to Network Security.
(i) Trojan Horse
(ii) Worm
(7.a)Ms. Ritu connected two
building in her factory which distance is 150 meters, but she is unable to get
the signals. Tell her its reason and suggest the solution.
(7.b)Ms. Pooja connected her
laptop with her mobile. Write the name of the network which she developed.
(7.c)Mr. Manish want to prevent
his private network from unauthorized access. Suggest him the system, which he
will use for this purpose.
(7.d)Ms Lalitha is working in a
bank. She wants to transfer one file from her branch in Chennai to her main
office Delhi. Write the name of the protocol which she will use for this
purpose.
(7.e)What is the Switch? What are
the benefits of Switch over Hub?
(7.f)Expend the following
abbreviations and explain in brief :
(i) FLOSS
(ii) GNU
(7.g)What
do you understand by TTF and OTF?
(8.a) Name the protocol used for
sending & receiving e-mails.
(8.b) It is a technology on
computer networks whose purpose is to prevent unwanted networking connection
according to some filtering/blocking rules. What is it?
(8.c) Two neighbouring hospitals
at a distance of 125 meters from each other decide to join their LANs using UTP
cable so that they can share their e- contents. But due to loss of signals in
between they were unable to share resources. Which device can be used to
overcome the problem?
(8.d) Which of the following are
open standards & which are proprietary standards?
i)
WMA ii)
DOC iii) JPEG iv) HTML
(8.e) What are DoS attacks?
(8.f) What is significance of
UNICODE ?
(8.g)
Give two advantages & two disadvantages of Star and Bus Topology.
(9.a)
Amitesh want to use Internet on his computer. Which protocol must be
installed on his
computer to use Internet?
(9.b) PACK N PICK is
a food supply company with kitchen and market unit 110
meters away from each other. The
company recently connected their networks using
UTP cable to share the stock
related information. But after joining their networks,
they are not able to share the
information due to loss of signal in between. Which
device is to be installed for a
smooth communication? (9.c) KVS RO, Raipur is planning to connect all
networks the KV schools at Raipur.
Which type of network will result
into?
(i)
LAN (ii) WAN (iii) MAN (iv) PAN
(9.d)
Arrange the following communication channels in the ascending order of
their data
transfer range.
(i) Optical Fiber (ii)
Coaxial cable
(iii) UTP cable
(9.e) Mr. Gaurav is confused between Free
and Freeware software Mention at least two
points of differences to help her
understand the same.
(9.f) Identify the type of Topology from the
following:
(i) If each node is connected with the help of
independent cable with the help of a
central
switching (communication controller)
(ii) If each node is connected with
the help of a single co-axial cable.
(9.g)Define the following with reference to Threats to Network
Security.
(i)
Snooping
(ii) Trojan Horse
10.A)Utkarsh wants to upload his own
web site on internet, write the necessary protocol
to upload the web site.
10.b) 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. (1)
10.c) Arrange
the following communication channels in ascending order of their data
transmission rates (1)
Optical Fiber, Co-axial
Cable , Ethernet Cable, Telephone Cable
10.d) Distinguished
between Open Source software and Proprietary Software with
reference to
customizability of the software. (1)
10.e) Write one
advantage and one disadvantage of the following topologies in network
i) Bus
Topology ii) Star Topology (2)
f) Expand
the following term: (2)
i) XML
ii) URL iii) PAN iv) PPP
10.g) What is „Trojan
Horse‟ program?
11.A)
Why do we use repeater?
11.B)
What is an IP address?
11.C
) Differentiate between gateway and router.
11.D)
What is Mozilla software used for?
11.E)
What do you mean by the term open source software?
11.F)What do you mean by the term Ogg Vorbis?
11.G)What is difference between IP and MAC
address.
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(12.a) Ms. Taufiq Ahmed wants to
prevent unauthorized access to/from his company's
local area network. Write the
name of a system (software/ hardware), which
he should install to do the same
1
(12.b) Beauty Lines Fashion Inc.
is a fashion company with design unit and market
unit 135 metres away from each
other. The company recently connected their
LANs using Ethernet cable to
share the stock related information. But after
joining their LANs, they are not
able to share the information due to loss of
signal in between. Which device
out of the following. should you suggest to
be installed for a smooth
communication?
(i) UPS
(ii) Modem
(iii) Repeater
(12.c) which of the following is
not a feature of Networking? 1
(i) Resource sharing
(ii) Uninterrupted power supply
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