Networking Basics - Networking Basics (3)
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- Networking Basics - Networking Basics
| 17. | Which router command allows you to view the entire contents of all access lists? |
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Answer: Option B Explanation: To see the contents of all access lists, use the show access-lists command. |
| 18. | What does the command routerA(config)#line cons 0 allow you to perform next? |
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Answer: Option C Explanation: The command line console 0 places you at a prompt where you can then set your console user-mode password. |
| 19. | How many broadcast domains are created when you segment a network with a 12-port switch? |
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Answer: Option A Explanation: By default, switches break up collision domains but are one large broadcast domain. |
| 20. | How often are BPDUs sent from a layer 2 device? |
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Answer: Option B Explanation: Every 2 seconds, BPDUs are sent out from all active bridge ports by default. |
| 21. | Which protocol is used to send a destination network unknown message back to originating hosts? |
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Answer: Option C Explanation: ICMP is the protocol at the Network layer that is used to send messages back to an originating router. |
| 22. | What does the passive command provide to dynamic routing protocols? |
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Answer: Option B Explanation: The passive command, short for passive-interface, stops regular updates from being sent out an interface. However, the interface can still receive updates. |
| 23. | Where is a hub specified in the OSI model? |
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Answer: Option B Explanation: Hubs regenerate electrical signals, which are specified at the Physical layer. |
| 24. | Which command is used to determine if an IP access list is enabled on a particular interface? |
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Answer: Option C Explanation: The show ip interface command will show you if any outbound or inbound interfaces have an access list set. |