The questions are wide ranging and the following are some of the topics which can be tested.
GSM Architecture and UMTS Architecture: Explain all the interfaces. You can be asked to draw the block diagram of a packet GSM and UMTS network and name all the interfaces. You also need to know the frequency ranges for both. The GSM carrier frequencies?
Explain how you can achieve a 64Kbit signal from a human speech.
How do you power a BTS or any telecommunication equipment given these three blocks: KPLC, GENERATOR, RECTIFIER BANK, BTS?
2G and 3G technology: You can be asked to list differences between the two
You can be asked to name all the seven (7) OSI layers in their correct order.
What is frequency hopping? Frequency hopping in GSM can be classified as? Reasons for frequency hopping?
State the full name and briefly explain the use of the following GSM Channels:
AGCH
CBCH
RACH
PCH
SDCCH
What are concentric cells in GSM and state the advantages of using concentric cells.
What is AMR and how does it help to allow for more subscribers in WCDMA cell when the cell load is high?
What is PSC and how is it used in WCDMA networks?
Distinguish between the following:
HSDPA
HSUPA
LTE
What is a node B and what is RNC
What will be the service impact on voice and data if the cell serving the UMTS mobile is not created in the MSC?
Name at least 4 major RDBMS (Relational Database management systems) systems
Define the following terms:
GPRS, GSM, CDMA, EGPRS, LTE, USSD, WAP, CAMEL, HRL, VLR, MSC, BSS, TRX, PSTN, AuC, EIR,NSS,GMSC, IMEI, IMSI, ITU, UTRAN,SGSN,SDH,PDH,PDMA
Merits of SDH over PDH
Why is -48V DC used in powering telecommunication equipment?
Mobile Originated call: Draw a diagram to show the call routing and signaling required to locate a user and set up a call.
Mobile terminated call
Routing and external call
What is a radio wave ?
Define an electromagnetic spectrum
Name types of GSM antennae and show their configuration
What is Polarization?
What is modulation? Define PCM, SKM, FDMA, TDMA, CDMA,
What is interleaving?
Time dispersion effects
Define TCP and UDP. What are the differences between the two?
What is KPI? Name at least 4 KPI’s.
To prepare adequately, ensure that you also familiar with CCNA terms and technics as well as familiarity with the micro-processor technologies: For example you might be asked to differentiate between RISC and CISC.
To succeed in this career I might also suggest that you commit fully into take at least CCNA1 and CCNA2.
Do you have more suggestions or additions to this list? Please comment below.
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