Telecommunication General Questions And Answers

21⟩ Explain the difference between NOC & NMS?

Network operation center (NOC). NOCs are responsible for

monitoring the network for alarms like as power fail,

Service affected alarm (site down,LAPD OML fault, TRX close

HPA alarm etc)& communicate its field engineer to solved the

problem. if need any support for software base they provide

to recover the problem.

A Network Management System (NMS) is a combination of

hardware and software used to monitor and administer a

network. Communicate with NOC recover the Alarm.

NMS-->NOC-->Field Engineers=Solved the problem

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22⟩ Explain What kind of internet speed control facilities (exact name) do internet service provider use and is it possible to check internet speed of each individual consumer like speedtest.net does?

make a server and check individual internet speed

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23⟩ What is VSWR?

VSWR STANDS FOR VOLTAGE STANDING WAVE RATIO

THE RATIO OF THE MAXIMUM TO MINIMUM VALUE OF STANDING WAVE

PATTERN ALONG A TRANSMISSION LINE TO WHICH A LOAD IS CONNECTED.

IT SHOW HOW MUCH SIGNAL IS TRANSMITTED AND REFLECTED BACK.

USING SITE MASTER WE CAN MEASURE VSWR.

ITS RANG IS 1.00-1.30

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24⟩ Tell me What is the frequency range used for Bluetooth in INDIA?

Bluetooth Works on 2.4 GHz

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25⟩ Tell me What is the time taken for 1 satellite hop in voice communication?

The time taken for 1 satellite hop in voice

communication is 1/2 seconds

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26⟩ Tell me What is the Maximum number of satellite hops allowed in voice communication?

Only Two Hops

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27⟩ Tell me At what Frequency voice is sampled?

It is sampled at 8Khz as per Sampling theorem to reproduce

successfully in the other end.

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28⟩ Explain Buffering?

Buffering is a method of overlapping the computation of a

job with its execution. It temporarily stores input or

output data in an attempt to better match the speeds of two

devices such as a fast CPU and a slow disk drive. If, for

example, the CPU writes information to the buffer, it can

continue in its computation while the disk drive stores the

information.

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29⟩ Do you know What is the type of signaling used between two exchanges?

different type of signalling in used betweeb two

exchanges. its depend upon type of exchange some exchange

used q sig between each other some excahnges used isdn

between exchanges. so many other type. there are five tyope

of signaling is being used in the world

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30⟩ Tell me What is the layered architecture of the Internet? In a wireless network, describe how each layer would be different from a wired network?

5- Layer architecture of the Internet:

Application (Layer 5)

Transport (Layer 4)

Network (Layer 3)

Data Link (Layer 2)

Physical (Layer 1)

Differences between wireless network and wired network:

(1) Wired network uses wires (e.g., twisted pair, coax,

fiber optic) as transmission

media in physical layer. Wireless network uses air waves,

which requires different coding,

modulation schemes.

(2) Interference and collision is much more severe in

wireless networks. Data link

layer in wireless network uses different techniques to avoid

collision and make sure data

was received.

(3) Wireless network needs to deal with device location and

handover in network

layer. In wireless ad hoc networks, routing can be different

than wired networks.

(4) No big difference between wireless and wired network in

transport layer.

(5) Application layer is unaware of the physical aspects of

the network. Application

layer in wired network supports services like FTP, SMTP etc.

One can also take the

physical layer characteristics into account when writing an

application.

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31⟩ Tell me what is the difference between tcp and udp?

TCP is Transmission Control Protocol and connection oriented

protocol.

UDP is User Datagram Protocol and connectionless protocol.

use in stock market for information sending and receiving.

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32⟩ Do you know How does the traceroute work?

Trace route finds out when the packet has reached the

destination point by including a port number that is outside

of the normal range. When it is received, a "port

unreachable" message is returned, enabling trace route to

determine the time length of the final hop.

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33⟩ What is mean by bts?

I dont know

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Telecommunication General

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33 Telecommunication General Questions And Answers

21⟩ Explain the difference between NOC & NMS?

22⟩ Explain What kind of internet speed control facilities (exact name) do internet service provider use and is it possible to check internet speed of each individual consumer like speedtest.net does?

23⟩ What is VSWR?

24⟩ Tell me What is the frequency range used for Bluetooth in INDIA?

25⟩ Tell me What is the time taken for 1 satellite hop in voice communication?

26⟩ Tell me What is the Maximum number of satellite hops allowed in voice communication?

27⟩ Tell me At what Frequency voice is sampled?

28⟩ Explain Buffering?

29⟩ Do you know What is the type of signaling used between two exchanges?

30⟩ Tell me What is the layered architecture of the Internet? In a wireless network, describe how each layer would be different from a wired network?

31⟩ Tell me what is the difference between tcp and udp?

32⟩ Do you know How does the traceroute work?

33⟩ What is mean by bts?

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Telecommunication General

Home Telecommunication Telecommunication General

33 Telecommunication General Questions And Answers

21⟩ Explain the difference between NOC & NMS?

22⟩ Explain What kind of internet speed control facilities (exact name) do internet service provider use and is it possible to check internet speed of each individual consumer like speedtest.net does?

23⟩ What is VSWR?

24⟩ Tell me What is the frequency range used for Bluetooth in INDIA?

25⟩ Tell me What is the time taken for 1 satellite hop in voice communication?

26⟩ Tell me What is the Maximum number of satellite hops allowed in voice communication?

27⟩ Tell me At what Frequency voice is sampled?

28⟩ Explain Buffering?

29⟩ Do you know What is the type of signaling used between two exchanges?

30⟩ Tell me What is the layered architecture of the Internet? In a wireless network, describe how each layer would be different from a wired network?

31⟩ Tell me what is the difference between tcp and udp?

32⟩ Do you know How does the traceroute work?

33⟩ What is mean by bts?

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