Computer Networking
A 6-MHz channel is used by a digital signaling system utilizing 4-level signals. What is the maximum possible transmission rate?

1.5 Mbaud/sec
24 Mbaud/sec
6 Mband/sec
None of these
12 Mbaud/sec

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Computer Networking
X.21 is

a method access control technique for multiple-access transmission media
network access standard for connecting stations to a circuit-switched network
None of these
a method of determining which device has access to the transmission medium at any time
a very common bit-oriented data link protocol issued by ISO

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Computer Networking
You are working on a router that has established privilege levels that restrict access to certain functions. You discover that you are not able to execute the command show running-configuration. How can you view and confirm the access lists that have been applied to the Ethernet 0 interface on your router?

show ip interface Ethernet 0
show ip access-lists
show interface Ethernet 0
show access-lists

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