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To check your knowledge of 4G LTE for any LTE Certification Program, here are some sample questions. These questions will help you to test your understanding of LTE technology. It’s not Nokia, Ericsson, Qualcomm, or Huawei specific, but these are general technology-based questions

  1. Interface between  PGW & PDN is:
  1. Gx
  2. SGi
  3. S6a
  4. S11
  1. RRM management in LTE performed by:
  1. eNodeB
  2. PGW
  3. SGW
  4. MME
  1. Total number of subcarriers in 10 MHz bandwidth:
  1. 900
  2. 600
  3. 300
  4. 84
  1. Guard in LTE bandwidth is:
  1. 2 MHZ
  2. 5 MHZ
  3. 3 MHZ
  4. 2.5 MHZ
  1. Most popular band in LTE
  1. Band 15
  2. Band 12
  3. Band 21
  4. Band 7
  1. Flexible bandwidth concept is in
  1. GSM
  2. WCDMA
  3. LTE
  4. EVDO
  1. IP allocation to UE performed by:
  1. SGW
  2. PGW
  3. PDN
  4. eNodeB
  1. OFDMA concept is used in :
  1. DL & UL
  2. UL only
  3. DL only
  4. None
  1. To lower power consumption of UE which concept is used:
  1. SCFDMA
  2. OFDMA
  3. MIMO
  4. All of the above
  1. Each carrier in LTE is of:
  1. 120 khz
  2. 150 khz
  3. 180khz
  4. 200 khz
  1. Rank Indicator defines:
  1. No. of spatial layers
  2. No. of antennas
  3. Type of modulation
  4. All of above
  1. Duration of  LTE frame:
  1. 5msec
  2. 10msec
  3. 20 msec
  4. 40msec
  1. In case of NCP , total symbols used are:
  1. 6
  2. 5
  3. 7
  4. 8
  1. Total no. of PCIs in LTE
  1. 512
  2. 204
  3. 368
  4. 504
  1. Total groups in PCIs
  1. 150
  2. 168
  3. 172
  4. 160
  1. When DL reference signal is obtained, mobile can decode
  1. PSCH
  2. PDCCH
  3. PBCH
  4. PDSCH
  1. Priority allocation of subframes is known as
  1. Resource allocation
  2. Scheduling
  3. Intelligent scheduling
  4. Priority based assignment
  1. Buffer Status report is send by:
  1. eNode B
  2. UE
  3. MME
  4. None
  1. Fractional frequency reuse:
  1. 1/3rd BW reused at cell edge
  2. Entire BW reused
  3. No frequency reuse
  4. All
  1. Channel Raster in LTE is of
  1. 200 khz
  2. 100khz
  3. 20 khz
  4. 2 mhz
  1. Which layer is not present in EUTRAN
  1. RLC
  2. PDCP
  3. MAC
  4. BMC
  1. Who performs header compression:
  1. RLC/MAC
  2. NAS
  3. AS
  4. PDCP
  1. Cell reselection is in which mode:
  1. RRC connected
  2. RRC idle
  3. Both
  4. None
  1. Tx and reTx interval in HARQ is
  1. 10msec
  2. 5msec
  3. 8msec
  4. 12msec
  1. Total QCI classes in LTE
  1. 9
  2. 8
  3. 7
  4. 12
  1. Max periodicity of SRS signal is
  1. 320 msec
  2. 180msec
  3. 80 msec
  4. 20 msec
  1. Total number of neighbors in LTE 
  1. 32
  2. 64
  3. 36
  4. 46
  1. AS security deals with
  1. UE-eNodeB security
  2. UE-MME security
  3. UE-SGW security
  4. UE-PDN security
  1. Cell specific information is stored in:
  1. MIB
  2. SIB
  3. Both
  4. None
  1. Dynamic BCH has information about
  1. PBCH
  2. PDSCH
  3. PSCH
  4. PDCCH
  1. TM 2 is for:
  1. Diversity
  2. SISO
  3. MIMO
  4. 4*4 MIMO
  1. RIM is:
  1. Radio information manager
  2. RAN information management
  3. Radio information management
  4. None
  1. GUTI is of:
  1. 128 bits
  2. 48 bits
  3. 80 bits
  4. 32 bits
  1. Range of femto cell
  1. 20 m
  2. 10 m
  3. 100 m
  4. 40 m
  1. Fourier transform will change:
  1. Time domain to frequency
  2. Frequency domain to time
  3. Time to space domain
  4. Space to time domain
  1. One RB carriers how many subcarriers
  1. 15
  2. 18
  3. 21
  4. 12
  1. MIB is transmitted every
  1. 10msec
  2. 50msec
  3. 40msec
  4. 12msec
  1. Error correction is through:
  1. ARQ
  2. MAC
  3. RRC
  4. LLC
  1. TB is:
  1. Transmission block
  2. Transport block
  3. Time block
  4. Transmission bit
  1. Total number of RB in 20 MHz
  1. 40
  2. 50
  3. 80
  4. 100

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