McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Electronics and Telecommunication Engineering [ENTC] .
| 101. |
GSM system includes……..frequency bands. |
| A. | 900MHz |
| B. | 1800MHz |
| C. | a and b |
| D. | None of the above |
| Answer» C. a and b | |
| 102. |
PSTN stands for…… |
| A. | Public System Telephone Network |
| B. | Public Security Telephone Network |
| C. | Public Switched Telephone Network |
| D. | Public System Telecommunication Network |
| Answer» C. Public Switched Telephone Network | |
| 103. |
ISDN stands for…… |
| A. | Integrated Services Digital Network |
| B. | Integrated System Digital Network |
| C. | Integrated Services Data Network |
| D. | Integrated System Data Network |
| Answer» A. Integrated Services Digital Network | |
| 104. |
Uplink means communication link from |
| A. | BS to MS |
| B. | MS to BS |
| C. | MS to MS |
| D. | BS to BS |
| Answer» B. MS to BS | |
| 105. |
Downlink means communication link from |
| A. | BS to MS |
| B. | MS to BS |
| C. | MS to MS |
| D. | BS to BS |
| Answer» A. BS to MS | |
| 106. |
GMSC is |
| A. | Guided Mobile Service Switching Center |
| B. | Gateway Mobile Service Switching Center |
| C. | Gateway Mobile Service Switching Controller |
| D. | Guided Mobile Service Switching Controller |
| Answer» B. Gateway Mobile Service Switching Center | |
| 107. |
AMPS stands for |
| A. | Advanced Mobile Phone Switching |
| B. | Advanced Mobile Phone System |
| C. | Accesed Mobile Phone System |
| D. | Advanced Mobility Phone Switching |
| Answer» B. Advanced Mobile Phone System | |
| 108. |
AMPS is used in |
| A. | 1G |
| B. | 2G |
| C. | 3G |
| D. | 4G |
| Answer» A. 1G | |
| 109. |
GPRS technology was introduced in |
| A. | 2G |
| B. | 2.5G |
| C. | 3G |
| D. | 4G |
| Answer» A. 2G | |
| 110. |
GPRS stands for |
| A. | Group Packet Radio Service |
| B. | Group Packet Radio System |
| C. | General Processing Radio Service |
| D. | General Packet Radio Service |
| Answer» D. General Packet Radio Service | |
| 111. |
Which functional block in GSM architecture,consists of the radio transmitters and receivers circuits and their associated antennas? |
| A. | BTS |
| B. | BSC |
| C. | MSC |
| D. | GMSC |
| Answer» A. BTS | |
| 112. |
Which functional block in GSM architecture, allocates radio resourses to a mobile call and for handovers? |
| A. | BTS |
| B. | BSC |
| C. | MSC |
| D. | GMSC |
| Answer» B. BSC | |
| 113. |
Which functional block in GSM architecture is responsible for necessary switching functions required for MSs located in an associated geographical area? |
| A. | BTS |
| B. | BSC |
| C. | MSC |
| D. | BSS |
| Answer» C. MSC | |
| 114. |
………………provides MS information used by MSC and maintains a list of legitimate,fraudulent or faulty MSs. |
| A. | AUC |
| B. | EIR |
| C. | HLR |
| D. | VLR |
| Answer» B. EIR | |
| 115. |
……….. Is the database that allows checking of the user with assigned SIM card. |
| A. | AUC |
| B. | EIR |
| C. | HLR |
| D. | VLR |
| Answer» A. AUC | |
| 116. |
……recognizes that the MS is from another PLMN when roaming is allowed. |
| A. | AUC |
| B. | EIR |
| C. | HLR |
| D. | VLR |
| Answer» D. VLR | |
| 117. |
…….stores the subscrier information and part of mobile information from home PLMN. |
| A. | AUC |
| B. | EIR |
| C. | HLR |
| D. | VLR |
| Answer» C. HLR | |
| 118. |
IMEI stands for |
| A. | Integrated Master Equipment Identity |
| B. | International Mobile Equipment Identity |
| C. | International Master Equipment Identifier |
| D. | Interlinked Mobile Environment Interface |
| Answer» B. International Mobile Equipment Identity | |
| 119. |
IMSI stands for.... |
| A. | Integrated Master Subscriber Identity |
| B. | International Master System Interface |
| C. | International Mobile Subscriber Identity |
| D. | Interlinked Mobile Systems Identifier |
| Answer» C. International Mobile Subscriber Identity | |
| 120. |
The IMEI can be found by entering what on the handset keypad? |
| A. | #6*0# |
| B. | *#06# |
| C. | 06#*# |
| D. | 6#*0# |
| Answer» B. *#06# | |
| 121. |
In GSM-900 system, two subbands of ………..are assigned. |
| A. | 200kHz |
| B. | 20kHz |
| C. | 20 MHz |
| D. | 25 MHz |
| Answer» D. 25 MHz | |
| 122. |
In GSM-900 system, total number of radio carriers are…………… |
| A. | 120 |
| B. | 124 |
| C. | 125 |
| D. | 200 |
| Answer» B. 124 | |
| 123. |
In GSM-900 system, uplink frequency is …………… |
| A. | 935MHz-960MHz |
| B. | 930MHz-955MHz |
| C. | 940MHz-965MHz |
| D. | 945MHz-970MHz |
| Answer» A. 935MHz-960MHz | |
| 124. |
In GSM-900 system, downlink frequency is …………… |
| A. | 895MHz-920MHz |
| B. | 880MHz-905MHz |
| C. | 885MHz-910MHz |
| D. | 890MHz-915MHz |
| Answer» D. 890MHz-915MHz | |
| 125. |
In GSM-900 system, uplink and downlink carrier frequency differ by …………… |
| A. | 20MHz |
| B. | 45MHz |
| C. | 25MHz |
| D. | 200kHz |
| Answer» B. 45MHz | |
| 126. |
A single 2G GSM frame consists of……..time slots |
| A. | 20 |
| B. | 8 |
| C. | 10 |
| D. | 15 |
| Answer» B. 8 | |
| 127. |
GSM Architecture consists of ….. |
| A. | BTS |
| B. | BSC |
| C. | MSC |
| D. | All the above |
| Answer» D. All the above | |
| 128. |
GSM Architecture consists of ….. Interface |
| A. | Um |
| B. | Abis |
| C. | A |
| D. | All the above |
| Answer» D. All the above | |
| 129. |
GSM Architecture consists of ….. |
| A. | HLR |
| B. | EIR |
| C. | VLR |
| D. | All the above |
| Answer» D. All the above | |
| 130. |
DCS 1800 has the uplink frequency range |
| A. | 1700MHz-1775MHz |
| B. | 1710MHz-1785MHz |
| C. | 1720MHz-1795MHz |
| D. | 1725MHz-1800MHz |
| Answer» B. 1710MHz-1785MHz | |
| 131. |
DCS 1800 has the uplink frequency range |
| A. | 1815MHz-1890MHz |
| B. | 1800MHz-1875MHz |
| C. | 1805MHz-1880MHz |
| D. | 1810MHz-1885MHz |
| Answer» C. 1805MHz-1880MHz | |
| 132. |
DCS 1800 has the uplink and downlink frequency interval of ….. |
| A. | 25MHz |
| B. | 45MHz |
| C. | 95MHz |
| D. | 90MHz |
| Answer» C. 95MHz | |
| 133. |
DCS 1800 has ……number of duplex channels |
| A. | 354 |
| B. | 374 |
| C. | 385 |
| D. | 395 |
| Answer» B. 374 | |
| 134. |
……..services are supported by the GSM |
| A. | Bearer Services |
| B. | Teleservices |
| C. | Supplementary Services |
| D. | All the above |
| Answer» D. All the above | |
| 135. |
2G GSM architecture follows ……. Reference Model |
| A. | OSI Model |
| B. | TCP/IP Model |
| C. | both a and b |
| D. | None of the above |
| Answer» A. OSI Model | |
| 136. |
Which kind of switching technique indicates the transfer of coded values from input to output during the same interval of time? |
| A. | Space Switching |
| B. | Time Switching |
| C. | Combination Switching |
| D. | None of the above |
| Answer» A. Space Switching | |
| 137. |
Which form/s of grading design has/have the tendency to share every trunk between equal number of groups? |
| A. | Homogeneous Grading |
| B. | Heterogeneous Grading |
| C. | Skipped Grading |
| D. | All of the above |
| Answer» A. Homogeneous Grading | |
| 138. |
The-------------- is a circuit switched network, while the -------------- is a packet- switched network |
| A. | telephone, ATM |
| B. | SONET and FDDI |
| C. | satellite, telephone |
| D. | FDDI and SONET |
| Answer» A. telephone, ATM | |
| 139. |
When a switch capacity is full, calls coming into that switch are said to be____. |
| A. | open |
| B. | shorted |
| C. | blocked |
| D. | shunted |
| Answer» C. blocked | |
| 140. |
Example of circuit switching and S&F (Stored and Forward) switching is |
| A. | Telephone and Post of Telegraph |
| B. | Video Signal Post or Telegraph |
| C. | Digital Signal Post or Telegraph |
| D. | None of above |
| Answer» A. Telephone and Post of Telegraph | |
| 141. |
In ------------- each packet is treated independently of all others |
| A. | circuit switching |
| B. | datagram switching |
| C. | frame switching |
| D. | none of the above |
| Answer» B. datagram switching | |
| 142. |
In message switching system, an incoming message gets ____ especially if the required route is busy. |
| A. | Lost |
| B. | Stored in a queue & retransmitted |
| C. | Sampled |
| D. | Recovered |
| Answer» B. Stored in a queue & retransmitted | |
| 143. |
Which type of switching network involves the establishment of a dedicated path between two stations? |
| A. | Message Switching |
| B. | Packet Switching |
| C. | Circuit Switching |
| D. | Manual Switching |
| Answer» C. Circuit Switching | |
| 144. |
In packet switching, what does the header of each short size of packet consist of? |
| A. | Source address |
| B. | Destination address |
| C. | Intermediate nodes |
| D. | All of the above |
| Answer» D. All of the above | |
| 145. |
If a group of trunk is offered 1200 calls during the busy hour & 20 calls are lost along with the average call duration of about 7 min, then what would be the total duration of congestion period? |
| A. | 21.6 sec |
| B. | 42.2 sec |
| C. | 57.6 sec |
| D. | 98.2 sec |
| Answer» C. 57.6 sec | |
| 146. |
In two-stage network, which phenomenon/situation occurs due to impossible connectivity of given incoming trunk to selected outgoing trunk specifically because of link utilization for other connection between primary and secondary switches? |
| A. | Bursting |
| B. | Blinking |
| C. | Blocking |
| D. | Burning |
| Answer» C. Blocking | |
| 147. |
By how many times does the time division exchange exhibit connection and disconnection with respect to every millisecond, due to its ability of using rearrangeable networks? |
| A. | 2 |
| B. | 4 |
| C. | 8 |
| D. | 16 |
| Answer» C. 8 | |
| 148. |
Which signals are regarded as call-progress signals as they are sent back to inform the caller about the progress of the call? |
| A. | Address Signals |
| B. | Status Signals |
| C. | Call request Signals |
| D. | ANSWER Signals |
| Answer» B. Status Signals | |
| 149. |
Which among the following can be adopted as a dedicated path between the source and destination in circuit switching? |
| A. | Physical Wire |
| B. | Radio Link |
| C. | Co-axial Cable |
| D. | All of the above |
| Answer» D. All of the above | |
| 150. |
Consider the statements given below. Which among them represents the operational step executed in datagram Packet Switched Network? |
| A. | Fixed Path is assigned between nodes from source to destination |
| B. | First Come First Serviced basis is applicable |
| C. | Necessity of an identifier for a connection between source host & destination host |
| D. | Transmission of short messages of one or two packet length |
| Answer» D. Transmission of short messages of one or two packet length | |
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