Computer Networking
Routers operate at layer _____. LAN switches operate at layer _____. Ethernet hubs operate at layer _____. Word processing operates at layer _____.

3, 3, 1, 7
3, 3, 2, none
All of these
3, 2, 1, 7
3, 2, 1, none

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Computer Networking
Which of the following is true when describing a unicast address?

These are your typical publicly routable addresses, just like a regular publicly routable address in IPv4.
These are like private addresses in IPv4 in that they are not meant to be routed.
Packets addressed to a unicast address are delivered to a single interface.
These addresses are meant for nonrouting purposes, but they are almost globally unique so it is unlikely they will have an address overlap.

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Computer Networking
You configure the following access list:access-list 110 deny tcp 10.1.1.128 0.0.0.63 any eq smtpaccess-list 110 deny tcp any eq 23int ethernet 0ip access-group 110 outWhat will the result of this access list be?

Email and Telnet will be allowed in E0.
No IP traffic will be allowed out E0.
Everything but email and Telnet will be allowed out E0.
Email and Telnet will be allowed out E0.

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