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Multiple Choice Qs related to RF Tests.
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Q. Trunking gain is the gain that you get when you have less entry points to the resources (e.g. 1 line in front of the 10 airport check-in counters works much better than 10 lines in front of the same 10 airport check-in counters).
Q: Effective Frequency Load is a way of measuring spectral efficiency with a hopping system.
Q: It is good enough to use RF hopping reuse 1/1 with MA list length 15 in the area with 6+6+6 BTS .
Q: Increment in the down tilt can optimize overshooting site .
Q: Increasing the Antenna Heights does not increase the coverage of a site.
Q: Cell/Site splitting can be used for capacity enhancement as well?
Q: Cell/Site splitting is often ignored for capacity enhancement due to more cost to hardware & limitation of frequency.
Q: If we increase TRX for capacity would we need more frequency as well?
Q: Micro cell layer is often deployed to enhance the capacity in high traffic areas within a macro cell.
Q: What are the problems with high-rise buildings?
Q: DR is helpful for which of the following?
Q: Which of the following happens in a network if there are legacy MS that don't support C2?
Q: C2 can be used for traffic management in dual band, and Microcell.
Q: TIMING ADVANCE measure the distances MS and BTS with resolution of 550 meters. Which of the following measures the distances in time and in space?
Q: What is criteria of the suitable cells for MS to camp on?
Q: TMSI and TIMSI are same.
Q: Which one of the following CCCH are in DL?
Q: How do you measure CONGESTION in?
Q: How do you measure BLOCKING in?
Q: Which of the following size can we achieve practically for the cell?
Q: How many paging messages does IMSI (International Mobile Subscriber Identity) require?
Q: How many MS can you page with 1 paging message done without IMSI?
Q: How many MS can you page with 1 paging message done without (Temporary IMSI) TIMSI?
Q: Can you change the Paging method without BSS parameters?
Q: If AGCH=0, which of the following is correct?
Q: How many paging messages does IMSI require?
1.5
1
2
3Q: TMSI and TIMSI are same.
TRUE
FALSEQ: How many MS can you page with 1 paging message done w/ IMSI?
3
1
2
4Q: How many MS can you page with 1 paging message done w/ TIMSI?
4
3
2Q: Can you change the Paging method w/ BSS parameters?
Yes
Q: The GSM network is structured into a number of discrete sections. They are:
Q: The Network and Switching Subsystem is also known as _______________.
Q: The first operators in Pakistan were Mobilink. Their vendors are:
Q: Due to historical reasons, radio frequencies used for cellular networks differ in ______________.
Q:
The _______MHz GSM frequency channel is stronger and better for the country's rural areas.
Q: EGSM Downlink frequency range is (MHz) ____________________.
Q: ________ technique spreads the content of one traffic block across several TDMA timeslots.
Q: What are the limitations for GSM cell coverage?
Q: MSC is responsible for which of the following?
Q: In GSM networks, the transcoder is located at ________________.
Q: In SS7 protocol, Point Codes are handled by which layer
Q: SS7 is categorized as __________.
Q: An ANM message is part of which SS7 layer?
Q: What is the SS7 message exchanged between SMSC and HLR?
Q: Which SIGTRAN layer protocol exists between SSP and IN?
Q: What is Half Power Beamwidth (HPBW)?
Q: What are the air interface data rate used for full rate and half rate?
Q: Erlangen B model is true for:
Q: What is the difference between Mechanical and Electrical tilt of an Antenna in a GSM Network?
Q: Which Modulation technique is used in GSM?
Q: Which GPRS Node is directly connected to BSCs
Q: If a Mobilink Subsciber Receives SMS from Warid; Which SMSC will be used
Q: Which SS7 application protocol is used for Voice mail IVR announcement?
Q: CAMEL stands for_________.
Q: SCP stands for ___________________
Q: Mobile Number Portability (MNP) is:
Q: The key goals of implementing Mobile Number Portability (MNP) is to foster effective competition and establish a globally competitive telecom sector with multiple players offering:
Q: Mobile Number Portability (MNP) fosters competition by increasing the barrier for customers who wish to change operators.
Q: Mobile Number Portability (MNP) requires additional capabilities in the network to properly route the call to the final destination. The common types of solutions includes:
Q: In Pakistan Telecom industry, which of the following suited the best with regard to Mobile Number Portability (MNP) in order to facilitate ported subscribers to make or receive calls?
Q: In the GSM system, the transmission network is generally considered to be the network between the base stations and the __________
Q: The transmission network connects the radio network to the ______________
Q: Owing to the introduction of packet data, core network planning is subdivided into two major parts: planning for the circuit core and for the packet core. The most important aspect of packet core network planning is dimensioning of the three interfaces:
Q: The elements of the core network include:
Q: In GPRS systems, there are ___coding schemes that are used for the packet data:
Q: The GSM 900 Uplink band is ___________.
Q: CCH Channel in DL is ______.
Q:
Retainibility can be checked by _______________.
Q: The legacy MS does support which of the following?
Q:
What is the inherent difference between UL and DL transmission?
Q: Rayleigh Fading is caused due to ______________.
Q: Which one of the following is reverse link channel (from MS to BSC)?
Q: MSC is involved in all handover types except:
Q: Which of the following information is not stored in a SIM card?
Q: An STP is connected to its mated pair node via ________.
Q:
For an outgoing sms from Mobilink number to Telenor number, which operator's HLR will not be involved:
Q: The sensitivity and TRX output power for METROSITE is generally.
Q: Sensitivity and TRX output power for _____ULTRASITE is typically.
Q: Which is a typical PathLoss you can have in a GSM connection?
Q: What is the GSM rejection ratio for the first adjacent channel interference (if -18 dB for the second adjacent interferer)?
Q: What is the GSM rejection ratio for co-channel interference?
Q: When a cell is being interfered with by another cell with the same carrier frequency the interference is_____
Q: When a cell is being interfered with by another cell with a carrier frequency which is separated by 200kHz for the interferer, 400kHz for the 2nd interferer, the interference is _____
Q: Hopping scheme to be used is determined by the number of TRX and combiner type.
True
FalseQ: Do you have MAL with _____
RF hopping only
BB hopping only
Or both RF and BB HoppingQ: Which are the parameters you will not need to define in the BTS when you want to use a MAL?
HSN
Maio Step
MAIO Offset
All of the above
Q:
Which Layer 2 Timer guards the channel seizure during a Handover is:
Q:
Same LAC in multiple MSCs __________________.
Q:
PCH is not used in ____________.
Q:
Timer T3113 is used in:
Q:
Difference in Values of RxLev "Sub" and Rxlev "Full" is due to:
Q: The radio network is the part of the network that includes:
Q: The mobile station is made up of:
Q: The most important SIM functions include all EXCEPT the following:
Q: The main aim of radio network planning is to provide a cost-effective solution for the radio network in terms of :
Q: The final radio plan consists of all EXCEPT the following:
Q: Which of the following interconnects different GPRS operators' backbones, thereby facilitating the roaming feature, and is based on the standard IP router technology?
Q: In the GPRS backbone, SGSN uses which of the following to get GGSN and SGSN IP addresses?
Q: Which of the following is a card that is implanted in the BSC to manage the GPRS traffic?
Q: What physical material is used to connect a telephone to a telephone switch?
Q: What is the circuit connecting a telephone to a telephone switch called?
Q: What are the services offered by GSM
Q: Which uplink/ downlink spectrum is allocated to GSM-900?
Q: Which uplink/ downlink spectrum is allocated to DCS-1800?
Q: What is chipering ?
Q: Which statement best defines the purpose of chipering?
Q: Can we achieve practically the cell size more than 60Km?
Q: Can you change the Paging method w/ BSS parameters?
Q: Can you modify the setting of the TA stats in the OSS?
Q: Do you need the Synch Cable between cabinets in order to share the T1?
Q:
Full measurement in the Air I/F is when you use DTX.
Q: C2 can be used for traffic management in dualband, microcell.
Q: Cell Selection is when you switch on the MS. Cell ReSelection when it is already on
Q: Electrical Down tilt reduces also side lobes and back lobes.
Q: GSM 1900 has 7dB propagation gain over GSM 850.
Q: Sensitivity and TRX output power for METROSITE is -112 to -115 dBm, 5W TRX
Q: Are FULL and SUB stats always sent?
Q: DR is helpful for:
Q: FULL Is measured on:
Q: How do you measure BLOCKING in?
Q: How do you measure CONGESTION in?
Q:
Which of following behaviors don't use SDCCH channel?
Q: GSM system uses which type(s) of multiple accesses?
Q: How SDCCH Blocking can be reduced on a cell?
Q: 1 TA is equals to ________m?
Q:
After intra-BSC handover is finished, BSC reports to MSC the ________ message.
Q: Path Loss is ________?
Q: System Information 5 & 6 is sent on ________?
Q: In the GPRS/EDGE system, the multiframe of the Packet Data Channel includes ________TDMA frames; each multiframe includes _________ radio blocks; each radio block is formed by __________ continuous TDMA frames.
Q: Length of a SACCH multiframe is?
Q: How many frames are in 1 SACCH multiframe?
Q: MS sensitivity for power class 4 is?
Q: What is the number of frames in traffic multiframe?
Q: What are the 2 components of BSIC?
Q: Minimum SDCCH configures in a cell?
Q: What are different types of Handover reasons?
Q: What are the tradeoffs between a Large LAC and a Small LAC?
Q: Can 2 MSCs have same LAC?
Q: Gb is the interface between ______ and PCU; Pb is the interface between _________ and PCU.
Q:
If the value of "NCC Permitted" MS received in SI6 in service cell is "00101000", and there are two adjacent cell with their NCC values are 3 and 4, then which one is correct in following description?
Q: What is the difference between Full and Sub values in drive test?
Q:
The radio network is the part of the network that includes:
Q: The mobile station is made up of:
Q:
Pico-cells are defined as the same layer as micro-cells and are usually used for outdoor coverage.
Q:
Optimization involves monitoring, verifying and improving the performance of the radio network.
Q:
Erlang B model is true for:
Q:
Electromagnetic waves consist of an oscillatory electric field E and an oscillatory magnetic field B. Both fields are _______.
Q:
As a result of interference, energy ______.
Q:
Doppler's Effect applies to________.
Q:
The diagram below shows the hierarchical structure of the cellular network. What is (i) and (ii)?
Q:
Why is a digital network preferred over an analogue one? Q:
Electromagnetic waves consist of an oscillatory electric field E and an oscillatory magnetic field B. Both fields are _______.
Q:
As a result of interference, energy ______.
Q:
Doppler's Effect applies to________.
Q:
The diagram below shows the hierarchical structure of the cellular network. What is (i) and (ii)?
Q:
Why is a digital network preferred over an analogue one?
Q: The SS7 network consists of _____________.
Q: What are the different links in a SS7 network?
Q: The network is made up of which of the following signaling nodes?
Q: Because SS7 signaling does not require seizure of a channel for a conversation prior to the exchange of control information, ___________________ became possible.
Q: The function of transferring signaling services from one signaling link or route to another signaling link or route in case of faults or congestion is performed at?
Q: Best coverage is offered by __________ frequency.
Q: Telecommunication today involves the use of an electronic transmitter. This may be:
Q: The basic elements that are necessary for a telecommunication system to work include:
Q: Transmitters and receivers along with their mediums of transmission are often combined together to form networks. These networks are becoming ______________________.
Q: GSM & CDMA protocols include all except:
Q: Network Management System (NMS) are not only responsible for the detection of faults, but also for collecting device statistics over a period of time.
Q: What physical material is used to connect a telephone to a telephone switch?
Q: What is the circuit connecting a telephone to a telephone switch called?
Q: Why is wire twisted together?
Q: What do traditional telephone switches do?
Q: Out of the following, which is DSL most similar to?
Q: What is the general name for a company that provides service on the first mile?
Q: What is a MAN?
Q: How often is the SQI updated in TEMS Investigation?
Q: TEMS can not be used for radio coverage measurement
Q: TEMS Investigation has a very flexible and intuitive user interface that keeps training costs at a minimum and allows the user to take full advantage of the powerful features. This feutre would come under which head ?
Q:
The implementation of a formal ______ solution can bridge the gap that exists between an organization's communication technology and business processes.
Q:
The GSM Module in TEMS CellPlanner Universal supports ___________ of today's and tomorrow's networks.
Q:
What is the frequency range of MW?
Q: Formula for FSL
Q:
How antenna Gain can be increased?
Q:
Any Unwanted Signal in the frequency of interest is called interference.
Q:
How many types of Transmission Media are there?
Q:
The super imposition of a low freq on a high freq carrier is Modulation.
Q:
Data rate of 1E1:
Q: Power Margin to overcome non ideal behavior of the link is Fade Margin.
Q: Polarization can be defined as the direction of oscillation of the magnetic field vector.
Q: The type of interference is caused by an undesired signal generated within the system is called;
Q: Call Setup Success Rate depends on which factors?
Q: What are different types of Handover reasons?
Q: What are the major reasons for TCH dropped calls?
Q: How can you tell that a handover must be performed?
Q: How MSC initiates the paging process to provide a response to an incoming call?
Q: Mapinfo provides which of the following functions?
Q: Mapinfo table consists of which type of files?
Q:
Mapinfo can help to perform drive test analysis by displaying drive test results in processing measurement data & graphics modes. The most used analysis includes:
Q: Mapinfo can assist to perform cell coverage analysis with its labeling function. It labels the data such as ______________ .
Q: One of the main element of TEMS is that it uses mobiles with _________________ .
Q:
Topology has an important place in synchronisation planning. For your current transmission planning project, you want to avoid long chains of timing distribution. Which of the following should you recommend?
Q:
The Base Station Controller (BSC) is capable of many functions. Which of the following functions is handled by the BSC itself?
Q:
Transcoder and Sub-multiplexer (TCSM) are used between the BSC and the MSC. Which of the following functions is the Transcoder and Sub-multiplexer (TCSM) capable of?
Q:
When microwave is the chosen medium of transmission, link budget calculations are generally based on which of the following?
Q:
Assume that radio planners have decided that there are five sites of 2 + 2 configuration under a single BSC. Air interface blocking is 2% and Ater.
Based on the assumed scenario above, which of the following capacity requirements calculations on the Ater interface is correct?
Q: By removing redundancy, digital signal processing can compress a video signal into a reasonably narrow bandwidth.
Q: An important application of DSP is in _________ compression and decompression.
Q: LTE supports:
Q: An analog signal does not need to be converted into digital form before DSP techniques can be applied.
Q: Processing systems can be classified as:
Q: In EDGE, high volume movement of data is possible, but still the packet transfer on the air interface behaves like:
Q: ____________ is the modulation scheme used for signals in GSM and GPRS networks.
Q:
New elements such as ____________ were added to the existing GSM system. These elements made it possible to send packet data on the air-interface. This part of the network handling the packet data is also called the 'packet core network'
Q: The core network in 3G networks consists of the following domain/s:
Q: As the network technology evolved from 2G to 3G, so did the network management systems. The Network Management Systems in 3G systems were capable of managing _____________ also, as against voice- and circuit-switched data in 2G systems
