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Routers work at the Network Layer of the International Standards Organisation/Open Systems Interconnection (ISO/OSI) established sequence of OSI Layers. What is the correct and complete OSI sequence in order from user interface (Layer 7) to the delivery of binary bits (Layer 1)?

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Important Questions on Networking

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Objective Computer Awareness>Chapter 5 - Networking>Routers>Q 21
Most networks employ devices for routing services. Routers work at which of the following OSI layers?
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Objective Computer Awareness>Chapter 5 - Networking>Routers>Q 22
A local area network (LAN) administrator must be restricted from _____.
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Objective Computer Awareness>Chapter 5 - Networking>Routers>Q 23
A port protection device controls access to _____.
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Objective Computer Awareness>Chapter 5 - Networking>Switches>Q 24
You manage a company network and the network budget. You want to minimise costs, but desire to prevent crackers from sniffing your local network (LAN). Which of the following devices would you recommend for meeting your goals?
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Objective Computer Awareness>Chapter 5 - Networking>Switches>Q 25
Which of the following statements apply to security concerns when using a switch in the LAN?
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Objective Computer Awareness>Chapter 5 - Networking>Switches>Q 26
Which of the following is a type of hub that forwards packets to an appropriate port based on the packet's address?
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Objective Computer Awareness>Chapter 5 - Networking>Wireless/Modems/RAS/Telecom/PBX>Q 27
Which of the following is actually considered a critical wireless device?
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Objective Computer Awareness>Chapter 5 - Networking>Wireless/Modems/RAS/Telecom/PBX>Q 28
Which of the following are true statements about modems?