<u>The first tools that analyzed and extracted data from floppy disks and hard disks were MS-DOS tools for </u><u>IBM</u><u> PC file systems</u>. A file system is a structured representation of data and a set of metadata describing this data. The file system of the IBM supports stream input/output and storage management, providing a structure over all information stored in the system. A floppy disk consists of a thin plastic disk coated with magnetic material (it was designed by IBM in the early 1970s). A hard disk is fixed on the system unit. It is made up of several circular disks called platters. MS-DOS (Microsoft Disk Operating System) is a licensed operating system for use on microcomputers from various manufacturers.
Answer:
Answered below.
Explanation:
The three general methods consist of unicasting, broadcasting and multicasting.
Casting implies the transfer of data from one computer (sender) to another (recipient).
Unicasting is the transfer of data from a single sender to a single recipient.
Broadcasting deals with the transfer of data from one sender to many recipients.
Multicasting defines the transfer of data from more than one sender to more than one recipients.
Answer:
Choice B, "choose which goods and services to buy"
Explanation:
Consumers choose which goods and services to buy. Companies only want to provide goods and services they know will be bought. Therefore, consumers affect which goods and services are produced because they choose which goods and services to buy.
Answer:
Check the explanation
Explanation:
A packet filter firewall is used as a check point between internal corporate network to the outside internet. It blocks all the inbound traffic from the outside hosts trying to initiate a direct TCP connection to the internal corporate webserver. The network design with firewall is shown in the attached image below:
The figures in the attached image below shows an internal corporate network is protected with a packet filter firewall to minimize the inbound traffic from the external network or an internet. Therefore, the packet filter is used as a check point between the network.
The packet filter blocks all attempts by the outside hosts in order to initiate a direct TCP connection to the internal webserver of the internal corporate network.
Going by the second part of the attached image below can can therefore conclude that:
• Rule 1 specifies that, deny any packet with the destination address 5.6.7.8 if the STN flag of TCP header is set.
• Rule 2 specifies that, allow the inbound email traffic from the external source.
• Rule 3 specifies, allows the Outbound TCP traffic from the internal corporate network.
• Rule 4 specifies, allows outbound Email traffic from the internal corporate network to the external network.
• Rule 5 specifies, block any traffic from any source to the any destination.