Computer Networking
ARP (Address Resolution Protocol) is

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

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Computer Networking
The fundamental requirements of private-to-public network interconnection methods which need to be provided in gateways is/are

A and B both
adequate cost control mechanisms for administration of the private networks
to assign address to private network DTEs
universal accessibility for private network Data Terminal Equipment (DTE)
None of these

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Computer Networking
The data-link layer, in reference to the OSI model, specifies

data link procedures that provide for the exchange of data via frames that can be sent and received
the interface between the X.25 network and packet mode device
All of these
None of these
the virtual circuit interface to packet-switched service

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