Rajasthan Board Class 12 Question Paper 2025 Telecom

RAJASTHAN BOARD

QUESTION
PAPER
2025

ANNUAL EXAMINATION

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Zm_m§H$ Roll No.

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Sl.No. :

No. of Questions – 42 V-112
No. of Printed Pages – 7

ì`mdgm{`H$ {ejm (H$jm - XII) narjm, 2025
Vocational Education (Class - XII) Examination, 2025
bodb - MVwW©

TEAR HERE TO OPEN THE QUESTION PAPER
Level - IV
{df` - Q>obrH$m°_
Sub. - TELECOM

àíZ nÌ H$mo ImobZo Ho$ {bE `hm± \$m‹S>|
g_` : 3 KÊQ>o 15 [_ZQ>] [nyUmªH$ : 30
Time : 3 Hours 15 Minutes] [Max. Marks : 30

narjm{W©`m| Ho$ {bE gm_mÝ` {ZX}e …
GENERAL INSTRUCTIONS TO THE EXAMINEES :
1) narjmWu gd©àW_ AnZo àíZ-nÌ na Zm_m§H$ A{Zdm`©V… {bI| &
Candidate must write First his/her Roll No. on the question paper
compulsorily.
2) g^r àíZ hb H$aZo A{Zdm`© h¢ &
All the questions are compulsory to attempt.
3) àË`oH$ àíZ H$m CÎma Xr JB© CÎma-nwpñVH$m _| hr {bI| &
Write the Answer to each question in the given answer book only.
`hm± go H$m{Q>E

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IÊS> - "A'
SECTION - 'A'
~hþ{dH$ënr` àíZ - [14 × ½ = 7]
Multiple Choice Questions -
1) Amn {H$gr Q>obrH$m°‘ H$ånZr ‘| gm‘Zo H$s ‘oO na H$m¶© H$a aho hmo & AmnHo$ H$m¶© H$aVo g‘¶ EH$ J«mhH$
AmnHo$ nmg AmVm h¡ & J«mhH$ H$mo {~b go gå~pÝYV nyN>VmN> H$aZr h¡ & Amn ³¶m H$aoJ|? [½]
(A) J«mhH$ na ܶmZ Zht XoJ|
(~) H$m‘ EH$ Va’$ aIoJ| d J«mhH$ H$s ‘XX H$aoJ|
(g) J«mhH$ go ~onadmhr go ~mV H$aVo hþE AnZm H$m‘ H$aVo ahoJ|
(X) J«mhH$ H$mo {H$gr Amoa go ~mV H$aZo Ho$ {bE H$hoJ|
You work at the front desk of a telecom company. A customer approaches you
while you are working. The customer has a query regarding a bill. What would you do?
(A) Not pay attention to the customer
(B) Keep the work aside and help the customer
(C) Continue doing your work while talking inattentively to the customer
(D) Ask the customer to talk to someone else
2) {ZåZ{b{IV ‘| go H$m¡Z Ep³Q>d {bgqZJ ‘| ~mYm h¡? [½]
(A) emoa ¶w³V dmVmdaU (~) d³V go Am±I go g§nH©$ Z ~ZmE aIZm
(g) ܶmZ Z XoZm (X) CnamoŠV g^r
Which of the following can be a barrier to active listening?
(A) Noisy Environment
(B) Not maintaining an eye contact with the speaker
(C) Not being attentive
(D) All of the above
3) dm³¶ ‘| dñVw H$s nhMmZ H$a|, "The children played Football". [½]
(A) ~ƒ| (~) ~ƒ| IobVo Wo
(g) Iobm (X) ’w$Q>~m°b
Identify the object in the sentence, "The children played Football".
(A) The children (B) Children played
(C) Played (D) Football
4) ‘moZm AnZr ~hZ H$mo ì¶{³VËd {dH$ma go C~aZo ‘| ‘XX H$a ahr h¡ & Cgo ³¶m H$aZm Mm{hE? [½]
(A) AnZr ~hZ go ~mV H$a| (~) Cgo CgHo$ em¡H$ (hobby) ‘| ì¶ñV aI|
(g) CgH$m AmË‘{dídmg ~‹T>mZo ‘| ‘XX H$a| (X) CnamoŠV g^r
Mona is helping her sister to overcome a personality disorder. What should she do?
(A) Talk to her sister (B) Engage her in hobbies
(C) Help her build confidence (D) All of the above

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5) ........... gobg (Cells) H$s j¡{VO ì¶dñWm h¡ & [½]
(A) amo (Row) (~) H$m°b‘ (Column)
(g) dH©$erQ> (X) CnamoŠV g^r
A _______ is an arrangement of cells in a horizontal manner.
(A) Row (B) Column
(C) Worksheet (D) All of the above
6) í¶m‘ OmZVm h¡ {H$ dh H$m¡Z gm ì¶dgm¶ H$aZm MmhVm h¡ bo{H$Z ¶h Zht OmZVm {H$ Cgo MbmZo Ho$ {bE ³¶m
H$X‘ CR>mZ| hmoJ| & Cgo amoH$Zo dmbr ~mYm h¡ .............. [½]
(A) ghr Q>r‘ H$m {Z‘m©U (~) ßbmZ H$s H$‘r
(g) Omo{I‘ boZo H$s j‘Vm (X) CnamoŠV g^r
Shyam knows what business he wants to do but does not know what steps he has
to take to get it running. The barrier stopping him is __________ .
(A) Building the right team (B) Lack of plan
(C) Risk taking capacity (D) All of the above
7) arZm Ho$ ~ƒo ~‹S>o hmo JE h¢ & CZHo$ nmg ~hþV gmao H$n‹S>o h¢ Omo A~ CZHo$ {bE ~hþV N>moQ>o h¢ & arZm H$mo BZ nwamZo
H$n‹S>m| H$m ³¶m H$aZm Mm{hE? [½]
(A) CÝh| Hy$‹S>oXmZ ‘| ’|$H$ X| (~) CÝh| Obm Xmo
(g) ^bo hr do ~hþV N>mQo >o hm|, CZH$m Cn¶moJ H$aVo ah| (X) CÝh| XmZ H$a| ¶m CZgo W¡bo ~ZmE§
Reena's children have grown up. They have a lot of clothes that are too small for
them now. What should Reena do with these old clothes?
(A) Throw them in the trash can
(B) Burn them
(C) Keep using them even though they are too small
(D) Donate them or make bags out of them
8) § {‘eZ {‘‹S>r¶m {Og‘| Xmo {‹S>dmB©g Ho$ ‘ܶ H$Zo³eZ {~Zm dm¶a Ho$ Ûmam hmoVm h¡, Cgo H$hm OmVm h¡ - [½]
dh Q´>mg
(A) dm¶a‹S> Q´>m§g{‘eZ {‘‹S>r¶m (~) dm¶abog Q´>m§g{‘eZ {‘‹S>r¶m
(g) (A) d (~) XmoZm| (X) CnamoŠV ‘| go H$moB© Zht
The transmission media in which two devices are connected without cable or wire
is called.
(A) Wired transmission media (B) Wireless transmission media
(C) Both (A) and (B) (D) None of them
9) ’$mB~a Am°pßQ>H$ Ho$~b ~Zr hmoVr h¡ & [½]
(A) bmoho H$s (~) ½bmg ¶m ßbmpñQ>H$
(g) H$m°na H$s (X) CnamoŠV g^r
Fiber optic cable is made of -
(A) Iron (B) Glass or Plastic
(C) Copper (D) All of them
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10) Am°pßQ>H$b ’$mB~a {H$g {gÕmÝV na H$m¶© H$aVr h¡? [½]
(A) nyU© AmpÝVaH$ namdV©Z (~) nyU© ~møm namdV©Z
(g) Mwå~H$s¶ àoaU (X) {dÚwV Mwå~H$s¶ àoaU
On which principle is optical fiber is to be laid -
(A) Total Internal Reflection (B) Total External Reflection
(C) Magnetic Induction (D) Electro Magnetic Induction

11) ’$mB~a AmpßQ>H$ H$mo H$m‘ ‘| {b¶m OmVm h¡ - [½]
(A) Cƒ J{V g§Mma àUmbr ‘| (~) Cƒ j‘Vm g§Mma àUmbr ‘|
(g) (A) d (~) XmoZm| ‘| (X) CnamoŠV ‘| go H$moB© Zht
Fiber optic is used for -
(A) In high speed communication (B) In High capacity communication
(C) (A) and (B) Both (D) None of them

12) ’$mB~a Am°pßQ>H$ Ho$~b H$mo EH$ ñWmZ go Xÿgao ñWmZ na bo OmZo Ho$ {bE {H$gH$m à¶moJ {H$¶m OmVm h¡? [½]
(A) Ho$~b S´>‘ (~) H«o$Z
(g) H$ma (X) CnamoŠV g^r
What is used to move fiber optical cable from one place to another?
(A) Cable Drum (B) Crane
(C) Car (D) All of the above

13) FSO go VmËn¶© h¡ - [½]
(A) ’«$s gmD$W Am°pßQ>³g (~) ’«$s ñnog Am°pßQ>³g
(g) ’o$¶a ñnog Am°pßQ>³g (X) Cnamo³V g^r
FSO means -
(A) Free south optics (B) Free space optics
(C) Fair space optics (D) All of them

14) Li Fi VH$ZrH$ h¡ - [½]
(A) dm¶abog (~) dm¶a‹S>
(g) (A) d (~) XmoZm|> (X) Cnamo³V ‘| go H$moB© Zht
Li Fi is a technique -
(A) Wireless (B) Wired
(C) Both (A) and (B) (D) None of them

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IÊS> - ~
SECTION - B
A{VbKwÎmamË_H$ àíZ - [16 × ½ = 8]
Very short answer type questions
15) g§km H$mo n[a^m{fV H$s{OE & [½]
Define Noun.
16) dm³¶ H$mo n[a^m{fV H$s{OE & [½]
Define sentence.
17) dm³¶ "I wrote a letter" ‘| {df¶ H$s nhMmZ H$a| & [½]
Identify the subject in the sentence "I wrote a letter".
18) ì¶{³VËd H$mo n[a^m{fV H$s{OE & [½]
Define personality.
19) g’$b CÚ‘r H$s H$moB© Xmo {deofVmE± {b{IE & [½]
Write any two qualities of a successful entrepreneur.
20) ñào‹S> erQ> Ho$ {H$Ýht Xmo KQ>H$m| Ho$ Zm‘ {b{IE & [½]
Write the name of any two components of spread sheet.
21) h[aV Zm¡H$[a¶m| Ho$ H$moB© Xmo ‘hËd {b{IE & [½]
Write any two importance of Green Jobs.
22) Am°pßQ>H$b ’$mB~a ‘| àH$me H$mo {Xem XoZo Ho$ {bE H$m¡Zgm ^mJ {Oå‘oXma h¡? [½]
Which part of an Optical fiber is responsible for guiding the light?
23) Am°pßQ>H$b ’$mB~a ‘| ’¡$bmd (Dispersion) ³¶m hmoVm h¡? [½]
What is dispersion in optical fibers?
24) FTTH H$s ’w$b ’$m‘© {b{IE & [½]
Write the full form of FTTH.
25) Am°pßQ>H$b ’$mB~a Ho$~b H$mo ‘mo‹S>Vo g‘¶ {H$g ‘w»¶ H$maH$ H$m ܶmZ aIZm Mm{hE? [½]
What is the most important factor to consider when bending fiber optic cables?
26) H$moB© EH$ gwajm gmdYmZr {b{IE {OgH$m nmbZ ’$mB~a Am°pßQ>³g Ho$ gmW H$m‘ H$aVo g‘¶ {H$¶m OmZm
Mm{hE & [½]
Write any one safety precaution which should be followed while working with fiber
optics?

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27) ’$mB~a Am°pßQ>H$ pñßbg Q´>o ³¶m h¢? [½]
What is a fiber optic splice tray?
28) Am°pßQ>H$b ’$mB~a g§¶w³V (joint) na àH$me hm{Z H$m H$moB© EH$ H$maU {b{IE & [½]
Write any one reason of light loss at optical fiber joint.
29) {dOwAb ’$m°ëQ> bmoHo$Q>a Ûmam {H$g àH$ma H$m àH$me CËg{O©V {H$¶m OmVm h¡? [½]
Which type of light is typically emitted by a visual Fault Locator?
30) DTV go ³¶m VmËn¶© h¡? [½]
What does DTV stand for?

IÊS> - "g'
SECTION - 'C'
bKwÎmamË_H$ àíZ - [9 × 1 = 9]
Short answer type questions -
31) AmË‘ OmJê$H$Vm (Self-Awareness) H$mo n[a^m{fV H$s{OE & [1]
Define Self-Awareness.
32) {H$gr gob ‘| S>oQ>m H$mo {H$g àH$ma hQ>m¶m (Delete) OmVm h¡? [1]
How data is deleted from any cell?
33) ñQ>mQ>© An (Startups) H$mo n[a^m{fV H$s{OE & [1]
Define Startups.
34) ’$mB~a Am°pßQ>³g Ho$ Aݶ g§Mma àm¡Úmo{J{H$¶m| H$s VwbZm ‘| ³¶m bm^ h¡? [1]
What are the advantages of using fiber optics over other communication technologies?
35) Am°pßQ>H$b ’$mB~a g§aMZm Ho$ ‘w»¶ KQ>H$ ³¶m h¡? [1]
What are the main components of an optical fiber structure?
36) Am°pßQ>H$b \$mB~a ‘| ³b¡qS>J (cladding) H$s ³¶m ^y{‘H$m h¡? [1]
What is the role of the cladding in optical fiber?
37) Ho$~b ñWm{nV H$aZo Ho$ {bE E¶a ãbmoB§J ‘oW‹S> g‘PmB¶o & [1]
Explain air blowing method of cable installing.
38) â¶yOZ pñßbqgJ à{H«$¶mAm| Ho$ Ho$db Zm‘ {b{IE & [1]
Write only the name of steps of process of Fusion splicing.
39) {dOwAb ’$m°ëQ> bmoHo$Q>a H$m H$m¶© {gÕmÝV {b{IE & [1]
Write the working principle of Visual Fault Locator.

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7
IÊS> - "X'
SECTION - 'D'
{Z~ÝYmË_H$ àíZ - [3 × 2 = 6]
Essay type questions -
40) ’$mB~a Am°pßQ>H$ Ho$~b Ho$ àH$mam| H$m g§{já dU©Z H$s{OE & [2]
Write short note on types of fiber optics cable.
AWdm/OR
Q´>m§g{‘eZ ‘r{‹S>¶m ³¶m h¡?
What is Transmission Media?

41) ’$mB~a Am°pßQ>H$ pñQ´>ng© d ’$mB~a ³brda Ho$ H$m¶© {b{IE & [2]
Write working of Fiber optic stripper and Fiber Cleavers.
AWdm/OR
â¶yOZ ñnmBga ³¶m h¡? â¶yOZ pñßbqgJ Ho$ nm§M ~w{Z¶mXr MaU {b{IE &
What is fusion splicer? Write the basic five steps of fusion splicing.

42) Li-Fi H$s H$m¶© àUmbr g‘PmB¶o & [2]
Explain working of Li-Fi technique.
AWdm/OR
boOa gwajm na g§{já {Q>ßnUr {b{IE &
Write short note on LASER safety.

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