Mobile Computing Questions and answers PDF
Mobile Computing Multiple Choice Questions with Answers pdf for the preparation of academic and competitive IT examinations. Show 1. It is defined as the process of transferring a call (or data transfer) in progress from one channel to another channel. 2. In this type of handover, the handover occurs between different cells but within the reach of the same BSC. 3. ___ effect is the repeated handover between two base stations. 4. High-Speed Circuit Switched Data (HSCSD) uses connection-oriented traffic channels. (True/False) 5. In High-Speed Circuit Switched Data (HSCSD) several TDMA slots are allotted within a TDMA frame to bundle the
___ channels. 6. For n channels, HSCSD requires n times signaling during handover, connection setup, and release. (True/False) 7. General Packet Radio Service (GPRS) technology exhibits traffic patterns in ___ mode. 8. Depending on the coding, a transfer rate up to ___ kbit/s is possible in GPRS. 9. In GPRS quality of service, the Reliability class ___ could be used if applications exhibit greater error
tolerance. 10. The function of Gateway GPRS Support Node (GGSN) is to connect___ network with the external packet data networks (PDN). 11. The function of the GPRS register (GR) is to store all GPRS-relevant data. (True/False) 12. MS gets attached to the GPRS network by assigning a temporal identifier, called a ___, and a ___ for data encryption. 13.
This protocol is used to adapt to the different characteristics of the underlying networks between an SGSN and the MS. 14. All MSs are assigned private IP addresses which are then translated into ___ addresses at the GGSN. 15. These services of GSM permit transparent and non-transparent, synchronous or asynchronous data transmission. 16. As the logical channels are all associated with user traffic, the multi-frame is called ___ multi-frame. 17. This layer of protocol architecture for signalling handles all radio-specific functions. 18. The main tasks of ___ are the setup, maintenance, and release of radio channels. 19. Temporary Mobile Subscriber Identity (TMSI) replaces the ___ and hides the real identity of an MS user over the air interface. 20.
Changing VLRs with uninterrupted availability of all services is also called ___. 21. The MSISDN follows the ITU-T standard and consists of: the country code (CC), ___, and ___. 22. Mobile Terminated Call (MTC) is a situation in which a station calls a mobile station. (True/False) 23. A Mobile Station (MS) is connected to the GSM-PLMN via the ___ interface. 24.
The access network domain contains the ___. 25. The direct sequence (DS) CDMA technology spreads the signal and can separate different users by the use of a unique ___ sequence. 26. UMTS uses a constant chipping rate of ___ Mchip/s. 27. How many chips do the radio frame structure of UTRA-FDD consist of? 28. In the UTRA TDD
(TD–CDMA) frame structure 15 slots with ___ chips per slot form a radio frame with a duration of 10 ms. 29. A node B connects to one or more antennas creating one or more cells that can either use FDD or TDD or both. (True/False) 30. The CSD connects to the RNS via a part of the IU interface called ___. 31. Which tunneling protocol is used to encapsulate all packets (e.g., IP, PPP) destined for the UE? 32. All inter-system handovers in UMTS are ___ handovers. 33. Soft handover in UMTS is available only in the ___ mode. 34. This type of handover occurs when UE moves between different node B’s of the same RNC. 35. A data rate of ___ kbit/s per time slot is available in EDGE. 36. The UMTS system is compatible with GSM, ATM, IP, and ISDN-based networks. (True/False) 37. The User Equipment domain of UMTS architecture consists of the ___ domain and the ___ equipment domain. 38. Which of the following is/are the example/s of WPANs? 39. WLANs are standardized by the IEEE ___ standards. 40. WLANs are flexible as nodes can communicate without restriction within radio coverage. (True/False) 41. In Infrared technology, transmitters can be simple light-emitting diodes (LEDs) or ___ whereas ___ acts as receivers. 42. In Ad hoc network, an ___ comprises a group of stations using
the same radio frequency. 43. IEEE 802.11 does not specify any special nodes that support routing, forwarding of data, or exchange of topology information. (True/False) 44. This standard defines Quality of service and prioritization. 45. The PMD sub-layer of IEEE 802.11 protocol architecture and management handles ___ and ___ of signals. 46. IEEE 802.11n provides high-speed data transport at ___ Mbps peak. 47. The frequency band used in WLANs is license-free and is called___ band. 48. Radio transmission technology can offer much higher transmission rates than infra-red. (True/False) 49. In Infrastructure based networks, the function of the ___ point is to control the medium access. 50. Satellite-based cellular phones are also an example of an infrastructure-based networks. (True/False) 51. Mobile IP adds mobility support to the internet ___ layer protocol. 52. This term defines the current location of the MN from an IP point of view. 53. The tunnel for packets toward the MN starts
at the HA. (True/False) 54. During IP packet delivery, the foreign agent (FA) removes the additional ___ and forwards the original packet with ___ as source and MN as the destination to the MN. 55. Foreign agents and home agents advertise their presence periodically using special agent ___ messages. 56. When the COA is at the FA, the MN sends its registration request containing the ___ to the FA which is forwarding the
request to the HA. 57. In this technique, an outer IP header is inserted before the datagram’s existing IP header. 58. In the minimum encapsulation technique, a minimal forwarding header is defined for datagrams that are not fragmented prior to the encapsulation. (True/False) 59. One of the following mechanisms allows the encapsulation of packets of one protocol suite into the payload portion of a packet of another protocol suite. 60. Binding update is the message sent by the ___ to CNs to reveal the current location of an MN. 61. To optimize
the mobile IP, if a node decapsulates a packet for an MN, but it is not the current FA for this MN, this node sends a binding ___. 62. DHCP allows hosts to obtain necessary TCP/IP configuration information from a ___ server. 63. DHCP is based on a client/server model. (True/False) 64. In DHCP, a client sends requests using ___ broadcasts to reach all devices in the LAN. 65. The two basic
variants of wireless networks especially in the case of WLANs are ___ and ___ based. 66. The extended network in infrastructure-based network IEEE 802.11 architecture is called a/an ___. 67. The distribution system in an infrastructure-based network connects the wireless networks via the ___ and with a portal to form the interworking unit to other LANs. 68. In TCP,
connection-oriented transmission requires three phases: ___, ___, and ___. 69. At what level does TCP uses flow and error control mechanisms? 70. Congestion control involves two factors that measure the performance of a network: ___ and ___. You may also like Mobile Computing MCQs with Answers If you like the post on Mobile Computing Multiple Choice Questions with Answers, please share it on social media. You can download pdf form You may watch the video format of these MCQs on Youtube What is mobile computing answer?Generally, a mobile computing system involves a mobile device, such as a laptop computer, tablet or smartphone, and a wireless network connection based on Wi-Fi or cellular wireless technology, such as 5G. Mobile devices typically can store data locally, and access to that data doesn't require a network connection.
What are the main concept of mobile computing?Mobile Computing is a technical field that covers the design, development and evaluation of mobile applications using appropriate solutions that meet user requirements. This includes learning the technology that is used to perform a wide variety of tasks on devices that are portable.
What are the two types of mobility in mobile computing?There are two different kinds of mobility: • user mobility and device portability. User mobility refers to a user who has • access to the same or similar telecommunication services at different places, i.e.,the user can be mobile, and the services will follow him or her.
What is mobile computing and its issues?Mobile computing involves mobile communication, mobile hardware, and mobile software. Communication issues include ad hoc networks and infrastructure networks as well as communication properties, protocols, data formats, and concrete technologies. Hardware includes mobile devices or device components.
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