When would you use ISDN? A.) To connect LANs using POTS B.) To support applications requiring voice, data, and video C.) When you need a consistent and very high rate of data speed D.) To connect to IBM mainframes

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Given the following IP address from the Class C address range 192.168.21.12. Your network plan needs addresses for 28 small prkps Each office uses its own shored. The network design specifies that you confound for five bits of subnetting. When you confound for this in Cisco IOS software which shored mask should you use? A. 255.255.0.28 B. 255.255.255.0 C. 255.255.255.28 D. 255.255.255.248 E. 255.255.255.252

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Define the virtual channel?

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What is the main advantage of using switches?

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On which bas ospf take decision?

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what's the difference between Symmetric and Asymmetric cryptosystem?

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What are some standards supported by the Presentation layer?

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Define ios?

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Identify the mode reflected by the following prompt 'Router'? A.) Setup B.) RXBoot C.) Boot mode D.) Privileged exec mode

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What are 10baset ethernet lans?

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What is the maximum hop count for Link-State protocols? A.) 15 B.) there is no hop count limit C.) 256 D.) 16

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What command can you type to view the connections after telneting into multiple routers simultaneously? A.) sh users B.) sh ports C.) sh host D.) sh sessions

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