Computer Networking
The term 'duplex' refers to the ability of the data receiving stations to echo back a confirming message to the sender. In full duplex data transmission, both the sender and the receiver

cannot talk at once
can receive and send data simultaneously
can send or receive data one at a time
None of these
can do one way data transmission only

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Computer Networking
If routers in a single area are configured with the same priority value, what value does a router use for the OSPF Router ID in the absence of a loopback interface?

The highest IP address of any physical interface
The lowest IP address of any logical interface
The highest IP address of any logical interface
The lowest IP address of any physical interface

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

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