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| 76)One prominent disadvantage of Star topology is | |||
| Difficult to find fault | Long cable length | ||
| Complicated structure | Depends on central node | ||
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| 77)Bluetooth is a | |||
| LAN | PAN | ||
| WAN | MAN | ||
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| 78)Internet is an example of | |||
| WAN | MAN | ||
| PAN | LAN | ||
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| 79)Which network is fastest? | |||
| WAN | LAN | ||
| MAN | None of these | ||
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| 80)Which one has highest error rate? | |||
| WAN | LAN | ||
| MAN | Equal error rate | ||
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| 81)Which of the following is the fastest transmission medium? | |||
| Twisted pair | Co-exial cable | ||
| Fibre optics | Infrared | ||
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| 82)PAN stands for | |||
| Permanent Arial Network | Personal Area Network | ||
| Prominent Atomic Network | Pointed Area Network | ||
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| 83)Which of the following device is required to access Internet via telephone line? | |||
| Hub | Switch | ||
| Router | Modem | ||
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| 84)Device used to connect two dis-similar network |
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| Gateway | Bridge | ||
| Repeater | hub | ||
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| 85)Device that is used to segment a big network | |||
| Hub | Switch | ||
| Bridge | Gateway | ||
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| 86)Repeater is used to | |||
| Connect to segments of a network | Amplify signal | ||
| Block signal | Segment a big network | ||
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| 86)To connect two networks using similar protocol we use | |||
| Router | Gateway | ||
| Bridge | Switch | ||
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| 88)Router is used to connect two networks using | |||
| Any protocol | Similar protocol | ||
| Dis-similar protocol | None of them | ||
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| 89)Number of layers in OSI network model is | |||
| 5 | 4 | ||
| 3 | 7 | ||
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| 90)In OSI network model billing is taken care of in | |||
| Datalink layer | Network layer | ||
| Presentation Layer | Session layer | ||
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