Computer Networking
Which of the following TCP/IP protocol allows an application program on one machine to send a datagram to an application program on another machine?

None of these
UDP
X.25
VMTP
SMTP

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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 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.
Packets are delivered to all interfaces identified by the address. This is also called a one-to-many address.

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Computer Networking
ICMP (Internet Control Message Protocol) is

a TCP/IP protocol used to dynamically bind a high level IP Address to a low-level physical hardware address
a protocol used to monitor computers
a protocol that handles error and control messages
a TCP/IP high level protocol for transferring files from one machine to another
None of these

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