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Q2254275 Noções de Informática
 Numa rede de computadores,
Alternativas
Q2254274 Banco de Dados
Em relação às linguagens de definição e manipulação de dados:
Em um SGBD, em que a separação entre os níveis conceitual e interno são bem claras, é utilizada a linguagem ....I.... , para a especificação do esquema interno. Onde a separação entre os níveis interno e conceitual não é muito clara, o SGBD possui um compilador que permite a execução das declarações para identificar as descrições dos esquemas e para armazená-las no catálogo. Neste caso utiliza-se a ....II.... . No SGBD, cuja arquitetura utiliza os esquemas conceitual, interno e externo, é necessária a adoção da ....III.... .
Preenchem correta e respectivamente as lacunas I, II e III:
Alternativas
Q2254273 Arquitetura de Computadores
 Em relação aos sistemas de arquivos é correto afirmar:
Alternativas
Q2254272 Arquitetura de Computadores
 Em relação à arquitetura de computadores, é correto afirmar:
Alternativas
Q2254271 Inglês
The Internet at Risk

    Some 12,000 people convened last week in Tunisia for a United Nations conference about the Internet. Many delegates want an end to the U.S. Commerce Department's control over the assignment of Web site addresses (for example, http://www.washington-%20post.com/ ) and e-mail accounts (for example, [email protected]). The delegates' argument is that unilateral U.S. control over these domain names reflects no more than the historical accident of the Internet's origins. Why should the United States continue to control the registration of French and Chinese Internet addresses? It doesn't control the registration of French and Chinese cars, whatever Henry Ford's historic role in democratizing travel was.
    The reformers' argument is attractive in theory and dangerous in practice. In an ideal world, unilateralism should be avoided. But in an imperfect world, unilateral solutions that run efficiently can be better than multilateral ones that  ....51....
        The job of assigning domain names offers huge opportunities for abuse. ....52.... controls this function can decide to keep certain types of individuals or organizations offline (dissidents or opposition political groups, for example). Or it can allow them on in exchange for large fees. The striking feature of U.S. oversight of the Internet is that such abuses have not occurred.
        It's possible that a multilateral overseer of the Internet might be just as efficient. But the ponderous International Telecommunication Union, the U.N. body that would be a leading candidate to take over the domain registry, has a record of resisting innovation - including the advent of the Internet. Moreover, a multilateral domain-registering body would be caught between the different visions of its members: on the one side, autocratic regimes such as Saudi Arabia and China that want to restrict access to the Internet; on the other side, open societies that want low barriers to entry. These clashes of vision would probably make multilateral regulation inefficiently political. You may say that this is a fair price to pay to uphold the principle of sovereignty. If a country wants to keep certain users from registering domain names (Nazi groups, child pornographers, criminals), then perhaps it has a right to do so. But the clinching argument is that countries can exercise that sovereignty to a reasonable degree without controlling domain names. They can order Internet users in their territory to take offensive material down. They can order their banks or credit card companies to refuse to process payments to unsavory Web sites based abroad. Indeed, governments' ample ability to regulate the Internet has already been demonstrated by some of the countries pushing for reform, such as authoritarian China. The sovereign nations of the world have no need to wrest control of the Internet from the United States, because they already have it.

(Adapted from Washington Post, November 21, 2005; A14)
No geral, o texto
Alternativas
Q2254270 Inglês
The Internet at Risk

    Some 12,000 people convened last week in Tunisia for a United Nations conference about the Internet. Many delegates want an end to the U.S. Commerce Department's control over the assignment of Web site addresses (for example, http://www.washington-%20post.com/ ) and e-mail accounts (for example, [email protected]). The delegates' argument is that unilateral U.S. control over these domain names reflects no more than the historical accident of the Internet's origins. Why should the United States continue to control the registration of French and Chinese Internet addresses? It doesn't control the registration of French and Chinese cars, whatever Henry Ford's historic role in democratizing travel was.
    The reformers' argument is attractive in theory and dangerous in practice. In an ideal world, unilateralism should be avoided. But in an imperfect world, unilateral solutions that run efficiently can be better than multilateral ones that  ....51....
        The job of assigning domain names offers huge opportunities for abuse. ....52.... controls this function can decide to keep certain types of individuals or organizations offline (dissidents or opposition political groups, for example). Or it can allow them on in exchange for large fees. The striking feature of U.S. oversight of the Internet is that such abuses have not occurred.
        It's possible that a multilateral overseer of the Internet might be just as efficient. But the ponderous International Telecommunication Union, the U.N. body that would be a leading candidate to take over the domain registry, has a record of resisting innovation - including the advent of the Internet. Moreover, a multilateral domain-registering body would be caught between the different visions of its members: on the one side, autocratic regimes such as Saudi Arabia and China that want to restrict access to the Internet; on the other side, open societies that want low barriers to entry. These clashes of vision would probably make multilateral regulation inefficiently political. You may say that this is a fair price to pay to uphold the principle of sovereignty. If a country wants to keep certain users from registering domain names (Nazi groups, child pornographers, criminals), then perhaps it has a right to do so. But the clinching argument is that countries can exercise that sovereignty to a reasonable degree without controlling domain names. They can order Internet users in their territory to take offensive material down. They can order their banks or credit card companies to refuse to process payments to unsavory Web sites based abroad. Indeed, governments' ample ability to regulate the Internet has already been demonstrated by some of the countries pushing for reform, such as authoritarian China. The sovereign nations of the world have no need to wrest control of the Internet from the United States, because they already have it.

(Adapted from Washington Post, November 21, 2005; A14)
O pronome it, no final do texto, refere-se a
Alternativas
Q2254269 Inglês
The Internet at Risk

    Some 12,000 people convened last week in Tunisia for a United Nations conference about the Internet. Many delegates want an end to the U.S. Commerce Department's control over the assignment of Web site addresses (for example, http://www.washington-%20post.com/ ) and e-mail accounts (for example, [email protected]). The delegates' argument is that unilateral U.S. control over these domain names reflects no more than the historical accident of the Internet's origins. Why should the United States continue to control the registration of French and Chinese Internet addresses? It doesn't control the registration of French and Chinese cars, whatever Henry Ford's historic role in democratizing travel was.
    The reformers' argument is attractive in theory and dangerous in practice. In an ideal world, unilateralism should be avoided. But in an imperfect world, unilateral solutions that run efficiently can be better than multilateral ones that  ....51....
        The job of assigning domain names offers huge opportunities for abuse. ....52.... controls this function can decide to keep certain types of individuals or organizations offline (dissidents or opposition political groups, for example). Or it can allow them on in exchange for large fees. The striking feature of U.S. oversight of the Internet is that such abuses have not occurred.
        It's possible that a multilateral overseer of the Internet might be just as efficient. But the ponderous International Telecommunication Union, the U.N. body that would be a leading candidate to take over the domain registry, has a record of resisting innovation - including the advent of the Internet. Moreover, a multilateral domain-registering body would be caught between the different visions of its members: on the one side, autocratic regimes such as Saudi Arabia and China that want to restrict access to the Internet; on the other side, open societies that want low barriers to entry. These clashes of vision would probably make multilateral regulation inefficiently political. You may say that this is a fair price to pay to uphold the principle of sovereignty. If a country wants to keep certain users from registering domain names (Nazi groups, child pornographers, criminals), then perhaps it has a right to do so. But the clinching argument is that countries can exercise that sovereignty to a reasonable degree without controlling domain names. They can order Internet users in their territory to take offensive material down. They can order their banks or credit card companies to refuse to process payments to unsavory Web sites based abroad. Indeed, governments' ample ability to regulate the Internet has already been demonstrated by some of the countries pushing for reform, such as authoritarian China. The sovereign nations of the world have no need to wrest control of the Internet from the United States, because they already have it.

(Adapted from Washington Post, November 21, 2005; A14)
Segundo o texto, a escolha de um órgão supervisor multilateral da Internet poderia tornar o registro de domínio
Alternativas
Q2254268 Inglês
The Internet at Risk

    Some 12,000 people convened last week in Tunisia for a United Nations conference about the Internet. Many delegates want an end to the U.S. Commerce Department's control over the assignment of Web site addresses (for example, http://www.washington-%20post.com/ ) and e-mail accounts (for example, [email protected]). The delegates' argument is that unilateral U.S. control over these domain names reflects no more than the historical accident of the Internet's origins. Why should the United States continue to control the registration of French and Chinese Internet addresses? It doesn't control the registration of French and Chinese cars, whatever Henry Ford's historic role in democratizing travel was.
    The reformers' argument is attractive in theory and dangerous in practice. In an ideal world, unilateralism should be avoided. But in an imperfect world, unilateral solutions that run efficiently can be better than multilateral ones that  ....51....
        The job of assigning domain names offers huge opportunities for abuse. ....52.... controls this function can decide to keep certain types of individuals or organizations offline (dissidents or opposition political groups, for example). Or it can allow them on in exchange for large fees. The striking feature of U.S. oversight of the Internet is that such abuses have not occurred.
        It's possible that a multilateral overseer of the Internet might be just as efficient. But the ponderous International Telecommunication Union, the U.N. body that would be a leading candidate to take over the domain registry, has a record of resisting innovation - including the advent of the Internet. Moreover, a multilateral domain-registering body would be caught between the different visions of its members: on the one side, autocratic regimes such as Saudi Arabia and China that want to restrict access to the Internet; on the other side, open societies that want low barriers to entry. These clashes of vision would probably make multilateral regulation inefficiently political. You may say that this is a fair price to pay to uphold the principle of sovereignty. If a country wants to keep certain users from registering domain names (Nazi groups, child pornographers, criminals), then perhaps it has a right to do so. But the clinching argument is that countries can exercise that sovereignty to a reasonable degree without controlling domain names. They can order Internet users in their territory to take offensive material down. They can order their banks or credit card companies to refuse to process payments to unsavory Web sites based abroad. Indeed, governments' ample ability to regulate the Internet has already been demonstrated by some of the countries pushing for reform, such as authoritarian China. The sovereign nations of the world have no need to wrest control of the Internet from the United States, because they already have it.

(Adapted from Washington Post, November 21, 2005; A14)
In the third paragraph, such abuses have not occurred means that
Alternativas
Q2254267 Inglês
The Internet at Risk

    Some 12,000 people convened last week in Tunisia for a United Nations conference about the Internet. Many delegates want an end to the U.S. Commerce Department's control over the assignment of Web site addresses (for example, http://www.washington-%20post.com/ ) and e-mail accounts (for example, [email protected]). The delegates' argument is that unilateral U.S. control over these domain names reflects no more than the historical accident of the Internet's origins. Why should the United States continue to control the registration of French and Chinese Internet addresses? It doesn't control the registration of French and Chinese cars, whatever Henry Ford's historic role in democratizing travel was.
    The reformers' argument is attractive in theory and dangerous in practice. In an ideal world, unilateralism should be avoided. But in an imperfect world, unilateral solutions that run efficiently can be better than multilateral ones that  ....51....
        The job of assigning domain names offers huge opportunities for abuse. ....52.... controls this function can decide to keep certain types of individuals or organizations offline (dissidents or opposition political groups, for example). Or it can allow them on in exchange for large fees. The striking feature of U.S. oversight of the Internet is that such abuses have not occurred.
        It's possible that a multilateral overseer of the Internet might be just as efficient. But the ponderous International Telecommunication Union, the U.N. body that would be a leading candidate to take over the domain registry, has a record of resisting innovation - including the advent of the Internet. Moreover, a multilateral domain-registering body would be caught between the different visions of its members: on the one side, autocratic regimes such as Saudi Arabia and China that want to restrict access to the Internet; on the other side, open societies that want low barriers to entry. These clashes of vision would probably make multilateral regulation inefficiently political. You may say that this is a fair price to pay to uphold the principle of sovereignty. If a country wants to keep certain users from registering domain names (Nazi groups, child pornographers, criminals), then perhaps it has a right to do so. But the clinching argument is that countries can exercise that sovereignty to a reasonable degree without controlling domain names. They can order Internet users in their territory to take offensive material down. They can order their banks or credit card companies to refuse to process payments to unsavory Web sites based abroad. Indeed, governments' ample ability to regulate the Internet has already been demonstrated by some of the countries pushing for reform, such as authoritarian China. The sovereign nations of the world have no need to wrest control of the Internet from the United States, because they already have it.

(Adapted from Washington Post, November 21, 2005; A14)
No segundo parágrafo, should indica
Alternativas
Q2254265 Inglês
The Internet at Risk

    Some 12,000 people convened last week in Tunisia for a United Nations conference about the Internet. Many delegates want an end to the U.S. Commerce Department's control over the assignment of Web site addresses (for example, http://www.washington-%20post.com/ ) and e-mail accounts (for example, [email protected]). The delegates' argument is that unilateral U.S. control over these domain names reflects no more than the historical accident of the Internet's origins. Why should the United States continue to control the registration of French and Chinese Internet addresses? It doesn't control the registration of French and Chinese cars, whatever Henry Ford's historic role in democratizing travel was.
    The reformers' argument is attractive in theory and dangerous in practice. In an ideal world, unilateralism should be avoided. But in an imperfect world, unilateral solutions that run efficiently can be better than multilateral ones that  ....51....
        The job of assigning domain names offers huge opportunities for abuse. ....52.... controls this function can decide to keep certain types of individuals or organizations offline (dissidents or opposition political groups, for example). Or it can allow them on in exchange for large fees. The striking feature of U.S. oversight of the Internet is that such abuses have not occurred.
        It's possible that a multilateral overseer of the Internet might be just as efficient. But the ponderous International Telecommunication Union, the U.N. body that would be a leading candidate to take over the domain registry, has a record of resisting innovation - including the advent of the Internet. Moreover, a multilateral domain-registering body would be caught between the different visions of its members: on the one side, autocratic regimes such as Saudi Arabia and China that want to restrict access to the Internet; on the other side, open societies that want low barriers to entry. These clashes of vision would probably make multilateral regulation inefficiently political. You may say that this is a fair price to pay to uphold the principle of sovereignty. If a country wants to keep certain users from registering domain names (Nazi groups, child pornographers, criminals), then perhaps it has a right to do so. But the clinching argument is that countries can exercise that sovereignty to a reasonable degree without controlling domain names. They can order Internet users in their territory to take offensive material down. They can order their banks or credit card companies to refuse to process payments to unsavory Web sites based abroad. Indeed, governments' ample ability to regulate the Internet has already been demonstrated by some of the countries pushing for reform, such as authoritarian China. The sovereign nations of the world have no need to wrest control of the Internet from the United States, because they already have it.

(Adapted from Washington Post, November 21, 2005; A14)
Ainda no primeiro parágrafo, os dois períodos Why should the United States continue to control the registration of French and Chinese Internet addresses? e It doesn't control the registration of French and Chinese cars, whatever Henry Ford's historic role in democratizing travel was. podem ser ligadas, sem alteração de sentido, pela conjunção
Alternativas
Q2254264 Inglês
The Internet at Risk

    Some 12,000 people convened last week in Tunisia for a United Nations conference about the Internet. Many delegates want an end to the U.S. Commerce Department's control over the assignment of Web site addresses (for example, http://www.washington-%20post.com/ ) and e-mail accounts (for example, [email protected]). The delegates' argument is that unilateral U.S. control over these domain names reflects no more than the historical accident of the Internet's origins. Why should the United States continue to control the registration of French and Chinese Internet addresses? It doesn't control the registration of French and Chinese cars, whatever Henry Ford's historic role in democratizing travel was.
    The reformers' argument is attractive in theory and dangerous in practice. In an ideal world, unilateralism should be avoided. But in an imperfect world, unilateral solutions that run efficiently can be better than multilateral ones that  ....51....
        The job of assigning domain names offers huge opportunities for abuse. ....52.... controls this function can decide to keep certain types of individuals or organizations offline (dissidents or opposition political groups, for example). Or it can allow them on in exchange for large fees. The striking feature of U.S. oversight of the Internet is that such abuses have not occurred.
        It's possible that a multilateral overseer of the Internet might be just as efficient. But the ponderous International Telecommunication Union, the U.N. body that would be a leading candidate to take over the domain registry, has a record of resisting innovation - including the advent of the Internet. Moreover, a multilateral domain-registering body would be caught between the different visions of its members: on the one side, autocratic regimes such as Saudi Arabia and China that want to restrict access to the Internet; on the other side, open societies that want low barriers to entry. These clashes of vision would probably make multilateral regulation inefficiently political. You may say that this is a fair price to pay to uphold the principle of sovereignty. If a country wants to keep certain users from registering domain names (Nazi groups, child pornographers, criminals), then perhaps it has a right to do so. But the clinching argument is that countries can exercise that sovereignty to a reasonable degree without controlling domain names. They can order Internet users in their territory to take offensive material down. They can order their banks or credit card companies to refuse to process payments to unsavory Web sites based abroad. Indeed, governments' ample ability to regulate the Internet has already been demonstrated by some of the countries pushing for reform, such as authoritarian China. The sovereign nations of the world have no need to wrest control of the Internet from the United States, because they already have it.

(Adapted from Washington Post, November 21, 2005; A14)
No primeiro parágrafo, reflects no more than the historical accident of the Internet's origins significa
Alternativas
Q2254263 Inglês
The Internet at Risk

    Some 12,000 people convened last week in Tunisia for a United Nations conference about the Internet. Many delegates want an end to the U.S. Commerce Department's control over the assignment of Web site addresses (for example, http://www.washington-%20post.com/ ) and e-mail accounts (for example, [email protected]). The delegates' argument is that unilateral U.S. control over these domain names reflects no more than the historical accident of the Internet's origins. Why should the United States continue to control the registration of French and Chinese Internet addresses? It doesn't control the registration of French and Chinese cars, whatever Henry Ford's historic role in democratizing travel was.
    The reformers' argument is attractive in theory and dangerous in practice. In an ideal world, unilateralism should be avoided. But in an imperfect world, unilateral solutions that run efficiently can be better than multilateral ones that  ....51....
        The job of assigning domain names offers huge opportunities for abuse. ....52.... controls this function can decide to keep certain types of individuals or organizations offline (dissidents or opposition political groups, for example). Or it can allow them on in exchange for large fees. The striking feature of U.S. oversight of the Internet is that such abuses have not occurred.
        It's possible that a multilateral overseer of the Internet might be just as efficient. But the ponderous International Telecommunication Union, the U.N. body that would be a leading candidate to take over the domain registry, has a record of resisting innovation - including the advent of the Internet. Moreover, a multilateral domain-registering body would be caught between the different visions of its members: on the one side, autocratic regimes such as Saudi Arabia and China that want to restrict access to the Internet; on the other side, open societies that want low barriers to entry. These clashes of vision would probably make multilateral regulation inefficiently political. You may say that this is a fair price to pay to uphold the principle of sovereignty. If a country wants to keep certain users from registering domain names (Nazi groups, child pornographers, criminals), then perhaps it has a right to do so. But the clinching argument is that countries can exercise that sovereignty to a reasonable degree without controlling domain names. They can order Internet users in their territory to take offensive material down. They can order their banks or credit card companies to refuse to process payments to unsavory Web sites based abroad. Indeed, governments' ample ability to regulate the Internet has already been demonstrated by some of the countries pushing for reform, such as authoritarian China. The sovereign nations of the world have no need to wrest control of the Internet from the United States, because they already have it.

(Adapted from Washington Post, November 21, 2005; A14)
No texto, a palavra que preenche corretamente a lacuna é 
Alternativas
Q2254262 Inglês
The Internet at Risk

    Some 12,000 people convened last week in Tunisia for a United Nations conference about the Internet. Many delegates want an end to the U.S. Commerce Department's control over the assignment of Web site addresses (for example, http://www.washington-%20post.com/ ) and e-mail accounts (for example, [email protected]). The delegates' argument is that unilateral U.S. control over these domain names reflects no more than the historical accident of the Internet's origins. Why should the United States continue to control the registration of French and Chinese Internet addresses? It doesn't control the registration of French and Chinese cars, whatever Henry Ford's historic role in democratizing travel was.
    The reformers' argument is attractive in theory and dangerous in practice. In an ideal world, unilateralism should be avoided. But in an imperfect world, unilateral solutions that run efficiently can be better than multilateral ones that  ....51....
        The job of assigning domain names offers huge opportunities for abuse. ....52.... controls this function can decide to keep certain types of individuals or organizations offline (dissidents or opposition political groups, for example). Or it can allow them on in exchange for large fees. The striking feature of U.S. oversight of the Internet is that such abuses have not occurred.
        It's possible that a multilateral overseer of the Internet might be just as efficient. But the ponderous International Telecommunication Union, the U.N. body that would be a leading candidate to take over the domain registry, has a record of resisting innovation - including the advent of the Internet. Moreover, a multilateral domain-registering body would be caught between the different visions of its members: on the one side, autocratic regimes such as Saudi Arabia and China that want to restrict access to the Internet; on the other side, open societies that want low barriers to entry. These clashes of vision would probably make multilateral regulation inefficiently political. You may say that this is a fair price to pay to uphold the principle of sovereignty. If a country wants to keep certain users from registering domain names (Nazi groups, child pornographers, criminals), then perhaps it has a right to do so. But the clinching argument is that countries can exercise that sovereignty to a reasonable degree without controlling domain names. They can order Internet users in their territory to take offensive material down. They can order their banks or credit card companies to refuse to process payments to unsavory Web sites based abroad. Indeed, governments' ample ability to regulate the Internet has already been demonstrated by some of the countries pushing for reform, such as authoritarian China. The sovereign nations of the world have no need to wrest control of the Internet from the United States, because they already have it.

(Adapted from Washington Post, November 21, 2005; A14)
No texto, o verbo que preenche corretamente a lacuna é 
Alternativas
Q2254261 Banco de Dados
O SQL Server 2000 implementa três tipos de funções definidas pelo usuário (UDF):
I. scalar valued, que retorna um único valor em resposta a cada uma das chamadas à função; II. inline table valued, cuja cláusula RETURNS especifica uma tabela com suas colunas e tipos de dados; III. multi-statement table valued, cuja cláusula RETURNS é seguida da palavra TABLE sem uma lista de colunas.
Está correto o tipo de UDF descrito em
Alternativas
Q2254260 Banco de Dados
 Informações úteis para o DBA diagnosticar problemas no DB2 são geradas pelo utilitário 
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Q2254259 Banco de Dados
Uma transação envolvendo um banco de dados atingirá seu término planejado com a execução de uma operação
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Q2254258 Banco de Dados
A transferência de produtos entre as lojas da empresa será melhor representada em um Modelo E/R por meio de
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Q2254257 Banco de Dados
NÃO é um princípio fundamental dos bancos de dados distribuídos:
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Q2254256 Banco de Dados
Um processo que tem comandos SELECT, INSERT, UPDATE ou DELETE, para o controle de concorrência, requer, respectivamente, locks
Alternativas
Q2254255 Banco de Dados
Sobre definição e manipulação de visão, analise:
I. Na criação de uma VIEW pode-se utilizar UNION e ORDER BY. II. Uma VIEW provê mais segurança, pois permite esconder parte dos dados da tabela real. III. Os dados que compõem a VIEW são armazenados separadamente da tabela real. IV. Uma linha inserida na VIEW, com todas as colunas, será inserida na tabela real. V. Se contiver as cláusulas JOIN e GROUP BY, uma VIEW só poderá ser usada para SELECT.
É correto o que consta APENAS em
Alternativas
Respostas
1741: C
1742: B
1743: D
1744: A
1745: E
1746: D
1747: C
1748: A
1749: C
1750: D
1751: B
1752: E
1753: A
1754: B
1755: E
1756: D
1757: C
1758: A
1759: E
1760: B