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

Identifies multiple interfaces and is only delivered to one address. This address can also be called one-to-one-of-many.
Packets are delivered to all interfaces identified by the address. This is also called a one-to-many address.
These addresses are meant for nonrouting purposes, but they are almost globally unique so it is unlikely they will have an address overlap.
Packets addressed to a unicast address are delivered to a single interface.

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Computer Networking
Which of the following series of commands will restrict Telnet access to the router?

Lab_A(config)#access-list 10 permit 172.16.1.1Lab_A(config)#line vty 0 4Lab_A(config-line)#access-class 10 out
Lab_A(config)#access-list 10 permit 172.16.1.1Lab_A(config)#line con 0Lab_A(config-line)#ip access-group 10 in
Lab_A(config)#access-list 10 permit 172.16.1.1Lab_A(config)#line vty 0 4Lab_A(config-line)#access-class 10 in
Lab_A(config)#access-list 10 permit 172.16.1.1Lab_A(config)#line vty 0 4Lab_A(config-line)#ip access-group 10 in

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