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Orlov [11]
2 years ago
8

We are given a set of n countries that are engaged in trade with one another. For each country i, we have the value si of its bu

dget surplus; this number may be positive or negative, with a negative number indicating a deficit. For each pair of countries i, j, we have the total value eij of all exports from i to j; this number is always nonnegative. We say that a subset S of the countries is free-standing if the sum of the budget surpluses of the countries in S, minus the total value of all exports from countries in S to countries not in S, is nonnegative.Give a polynomial-time algorithm that takes this data for a set of n countries and decides whether it contains a nonempty free-standing subset that is not equal to the full set.
Computers and Technology
1 answer:
olga_2 [115]2 years ago
6 0

Answer: what is this

Explanation:

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What specific record type is found in every zone and contains information that identifies the server primarily responsible for t
ValentinkaMS [17]

The SOA is the specific record type found in every zone and contains information that identifies the sever primarily responsible for the zone as well as some operational properties for the zone.

Explanation:

The Start of Authority Records (SOA) has the following information they are

Serial Number: This number is used to find when zonal information should be replicated.

Responsible person: The Email address of a person is responsible for managing the zone.

Refresh Interval: It specifies how often a secondary DNS server tries to renew its zone information.

Retry Interval: It specifies the amount of time a secondary server waits before retrying the zone information has failed.

Expires After: IT specifies the amount of time before a secondary server considers its zone data if it can't contact with the primary server.

Minimum TTL: It specifies the default TTL value for a zone data when a TTL is not supplied.

4 0
3 years ago
What section in an ethernet frame will you find a Virtual Local Area Network (VLAN) header?
Vadim26 [7]

Answer:

Preamble

Explanation:

In the computer network , the ether-net is the frame of link layer protocol data. This frame is used ether net with physical layer of transport mechanism. The ether net frame is of different type.

  • The ether-net II
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  • IEEE 802.2 LLC
  • IEEE 802.2 SNAP

Each of the Ethernet frame started from Ether net header. It contains the source and the destination. The MAC address is called its first two address.

8 0
3 years ago
Why did scientists who study weather need more advanced technology? Check all that apply.
kobusy [5.1K]

Answer:

All options are correct.

Explanation:

All options apply to the question because they all need technology for development and improvement. Scientists needed to develop more technologies in order to attend all their necessities, such as anticipating weather changes, forecasting weather previously, predicting weather behaviour in different places and in one specific place, accounting for reasons and natural resources related to weather changes, and much more. Therefore, technology provides faster and more consistent data for all these informations needed, since all technology tools to study weather were developed according to their specific needs.

4 0
3 years ago
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What sorts of routine, seemingly unimportant information would help you learn about or break into another company’s network?
tatuchka [14]

Answer and Explanation:

  • Reboot your Computer from which you need to break into.
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  • The Third Man ran a sniffer program that caught the majority of the LAN traffic within this organization. It was transmitted through the remote passageway straight into the Third Man's PC. Passwords. Agreements. Email.
4 0
3 years ago
What are the risks associated with this kind of connectivity?.
Eva8 [605]

Answer:

The risks associated with this kind of connectivity are that online hackers may see your information and that makes the human race too dependent on robots and technology which is never a good thing.

Explanation:

<h3>be happy</h3>
8 0
2 years ago
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