Computer Networking
You want to create a standard access list that denies the subnet of the following host: 172.16.50.172/20. Which of the following would you start your list with?

access-list 10 deny 172.16.64.0 0.0.31.255
access-list 10 deny 172.16.0.0 0.0.255.255
access-list 10 deny 172.16.48.0 0.0.15.255
access-list 10 deny 172.16.48.0 255.255.240.0

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Computer Networking
Bulletin board system

converts analog signals to digital signals
None of these
is a modem capable of accepting commands
converts digital signals to analog signals
is a public access message system

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Computer Networking
Terminals are required for

realtime, timesharing, and message switching
realtime, batch processing, and timesharing
realtime, timesharing, and distributed processing
realtime, distributed processing, and manager inquiry
None of these

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