People choose to build Astronomy on Manna Kea because it's the highest mountain among the
A.Y
B.N
C.NG
A.Y
B.N
C.NG
The diffserv approach to providing QoS in networks employs a small, well-defined set of building blocks from which you can build a variety of(). Its aim is to define the differentiated services (DS) byte, the Type of Service (ToS) byte from the Internet Protocol Version 4 ()and the Traffic Class byte from IP Version 6, and mark the standardized DS byte of the packet such that it receives a particular forwarding treatment, or per-hop behavior (PHB), at each network node. The diffserv architecture provides a()within which service providers can offer customers a range of network services, each differentiated based on performance. A customer can choose the ()level needed on a packet-by-packet basis by simply marking the packet&39;s Differentiated Services Code Point (DSCP) field to a specific value.This () specifies the PHB given to the packet within the service provider network.
A.servicesB.UsersC.networksD.structuresA.messageB.PacketC.headerD.packageA.informationB.StructureC.meansD.frameworkA.performanceB.SecureC.privacyD.dataA. packetB.valueC.serviceD.paragraph
to find jobs in London has led to immigrants from many different parts of the world living there.Also, because it was the home of London s docks, it was easy for people to get there by ship.One famous bui lding in Brick Lane has been a church, a synagogue and is now a mosque Nowadays this part of London, which is known as the East End.is home to people from many different parts of the world.including Africa, Asia and the Caribbean.This means that there are many shops and restaurants selling ethnic food.In the past the East End was one of the poorest parts of London, but now it is becoming more fashionable and house prices are rising rapidly.This is because many people want to live near to where they work in the centre of the city.Also improved transport links to both other parts of London and to other countries via the Channel Tunnel train station and Dock lands Airport have attracted more people to the area.
21.East London has()
A.has never been a home for immigrants
B.has recently become a home for immigrants
C.has always been a home for immigrants
22.Immigrants are attracted by()
A.low house prices
B.jobs
C.ethnic food
23.London' s docks were()
A.easy to reach by plane
B.mainly in East London
C.a good place to find work
24.East London()
A.is a cheap place to live
B.has never been a cheap place to live in
C.ued to be a cheap place to live in
25.House prices are rising rapidly because()
A.it has good transport links and more people want to live there near the center of London
B.there are lots of jobs in East London
C.there are lots of good shops and restaurants
A.broaden
B.board
C.broad
D.boarding
Producers choose the participants ______.
A.on the ground of their talent
B.with certain standards
C.according to the order of people's sign-ups
D.only for special-living-environment shows
A.paradox
B.zeugma
C.pun
D.synecdoche
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