MANET, WSN and Satellite Networks: Mobile IP and Orbits

1. 1Mobile IP is a .............................. solution to node mobility in the Internet.

   1. Anetwork layer
   2. Bocation managemen
2. 2Each node in MANETs expected to serve as

   1. Aa repeater
   2. Ba router
3. 3MANETs have

   1. Asingle points of failure
   2. BNo single points of failure
4. 41) In MANETs, information transmission Using

   1. Asingle-hop routing
   2. Bmulti-hop routing
5. 5In MANETs, Route computation must be

   1. ADistributed
   2. BCentralized
6. 6In MANETs, As ………………..nodes as possible involved in route computation and state propagation

   1. AFew
   2. BMuch
7. 7In MANETs, …………………….should be avoided

   1. AUnicast​
   2. BBroadcasts
8. 8Keep routes ready at all times

   1. AProactive routing protocols
   2. BReactive routing protocols
9. 9Use too much bandwidth for control-updating routing information

   1. AReactive routing protocols
   2. BProactive routing protocols
10. 10 too slow for real-time applications

    1. AProactive routing protocols
    2. BReactive routing protocols

11. 11WSNs are data-centric networks means that the interest is in

    1. Awhat is the data
    2. Bwhere is the data
12. 12Routing protocols for WSNs must be

    1. Aapplication-data-specific
    2. BNon -- application-data-specific
13. 13In WSNs, Nodes often send

    1. Aaggregated data​
    2. Braw data
14. 14complete rotation time depends on

    1. Adistance of satellite - earth
    2. Binclination angle
15. 15angle between center of satellite beam and surface

    1. Aelevation angle
    2. Binclination angle
16. 16) angle between satellite orbit and equator

    1. Ainclination angle
    2. Belevation angle
17. 17complete rotation exactly one day

    1. AGEO
    2. BLEO
18. 18satellite is synchronous to earth rotation

    1. ALEO
    2. BGEO
19. 19fix antenna positions , no adjusting necessary

    1. ALEO
    2. BGEO
20. 20satellites typically have a large footprint ( up 34 % of earth surface ) GEO

    1. AGEO
    2. BLEO
21. 21 not useful for global coverage for small mobile phones and data transmission , typically used for radio and TV transmission

    1. AGEO
    2. BLEO
22. 22Most useful for global coverage for small mobile phones and data

    1. ALEO
    2. BGEO
23. 23satellite Orbit ca. 500-1500 km above earth surface

    1. ALEO
    2. BGEO
24. 24visibility of a satellite ca. 10-40 minutes

    1. ALEO
    2. BGEO
25. 25latency comparable with terrestrial long distance connections , ca. 5-10 ms

    1. AGEO
    2. BLEO
26. 26compared with LEO systems , MEO systems have

    1. Aslower - moving satellites
    2. Bfaster - moving satellites
27. 27compared with LEO systems , MEO systems need

    1. Afewer satellites
    2. Bmore satellites
28. 28compared with LEO systems , MEO systems have

    1. Alower latency
    2. Bhigher latency
29. 29Mobile IP is ............................ with a very specific purpose.

    1. Arouting protocol
    2. Blocation update protocol
30. 30is a new bearer service for GSM that greatly improves and simplifies wireless access to packet data networks ,

    1. AGPRS
    2. BHSCSD
31. 31Fully packet - oriented switching 2.5 Generation

    1. AHSCSD
    2. BGPRS
32. 32Fully packet - oriented switching 2.5 Generation

    1. AGPRS
    2. BHSCSD
33. 33uses Soft Handoff , reducing the likelihood of dropped calls .

    1. A2.5G
    2. B3G
34. 34100's Mbps per device possible

    1. A3G
    2. B4G
35. 35Considered as all IP network

    1. A4G
    2. B3G
36. 36wake up periodically ( 100's msec ) to check for downstream transmissions

    1. Adeep sleep
    2. Blight sleep
37. 37mobile may change cells while deep sleeping - need to re - establish association

    1. Adeep sleep
    2. Blight sleep
38. 38) manages wireless radio resources , mobile devices in its coverage area ( " cell " ) in LTE

    1. AeNode
    2. BHome Subscriber Service
39. 39stores info about mobile devices for which the HSS's network is their " home network " in LTE .

    1. AHome Subscriber Service
    2. BeNode

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Test sobre Sin título, creado por نوره G el 17/02/2023.

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نوره G

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Creado el 17 feb 2023 · actualizado el 20 feb 2023

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