更多"America's first backbone Internet S"的相关试题:
[单项选择]Most marriages in America, particularly first marriages involving young couples, are the result of mutual attraction and affection rather than______ considerations.
A. actual
B. applicable
C. original
D. practical
[单项选择]__________ went to America first.
[单项选择]A service provider wants to prevent the repeat of a denial of service (DoS) attack that recently disabled Internet access for several thousand customers. Which Cisco solution best matches this business need?（）
A. Network security
B. Wireless network
C. Content networking
D. Virtual Private Network (VPN)
[单项选择] A service provider is operating a Routed 1483 network where the ATM PVCs are treated as a large subnet.What is a consequence of this configuration？（）
A. ItburnsupIPaddresses.
B. ItconservesIPaddresses.
C. Itresultsinasmallerroutingtable.
D. EachPVChasaseparate/30subnet
[单项选择]The first English permanent settlement in America was founded in 1607 in ______.
A. New Mexico
B. Iowo
C. California
D. Virginia
[单项选择]A service provider is assigning a/30 subnet to each ATMPVC in a Routed 1483 environment.What is a consequence of this configuration？（）
A. It burns up IP addresses.
B. It conserves IPaddresses.
C. It results in a smaller routing table.
D. The group of PVCs is treated as a large LAN
[单项选择]The first English colony in America established in
A. New Jersey.
B. New York
C. Jamestown.
D. Georgia.
[单项选择]Black people were first brought to America from Africa as______.
A. workers in factories
B. cotton pickers
C. migrants
D. slaves
[单项选择]
Black people were first taken to North America as slaves in the seventeenth century. Sold by Arab or Mrican slave-traders in West Mrica, they were on the tobacco, sugar and cotton plantations.
Towards the end of the eighteenth century, more and more people began to condemn (谴责) slavery, but it was not until after the bitter Civil war-between the Northern and Southern states of America that is was abolished there. In 1865 the 13th Amendment to the Constitution gave blacks the right to live and work where they liked. Then ,in 1867, came further legislation (立法)guaranteeing citizenship and other civil rights.
However, there were setbacks almost immediately. The Supreme Court declared the civil rights legislation of 1867 unconstitutional and a number of new segregation (种族隔离)laws were enacted. Consequently ,as more and more blacks deserted the rural areas in search of work in the cities, they found themselves forced to .live in areas with the worst housing and poores
A. come into being
B. stopped
C. begun
D. reduced
[单项选择]The service in the first advertisement is directed to the following EXCEPT ______.
A. contract organizations
B. real estate companies
C. individual persons
D. special construction companies
