Why is the Cisco Integrated Services Router product line A good choice for customers?（）

A . to provide a mechanism to dynamically assign vlan membership to switch ports B . to allow traffic to be carried from multiple vlans over a single link between switches C . to allow native vlan information to be carried over a trunk link D . to provide a mechanism to manually assign vlan membership to switch ports E . to allow for managing the additions,deletions,and changes of vlans between switch

A .  Because Banks are still connecting via dial-up. B .  Because Banks need to save cost. C .  Because Banks find themselves with an obsolete branch infrastructure. D .  Many banks need back-office process streamlining.

A . There is an error in the router DRAM. B . Te IOS image is corrupt. C . The configuration register is set to 0x2142. D . The TFTP server that contains the router configuration file is unreachable. E . A boot system configuration command has placed the router into setup mode.

A .  Dual-rank DIMMs are not supported. B .  16-GB DIMMs are too slow. C .  The largest DIMM an Intel 55xx or 56xx CPU can address is 32 GB D .  The memory bus would be too long. E .  The blade would run too hot.

A．Because she's writing a book. B．Because she's learning how to use a computer. C．Because she's making computers.

A、enhance the students' communicative competence B、combine pronunciation, vocabulary and grammar C、Combine words,phrases and sentences D、use body language and pictures

A.Because it is not important B.To make it easier to read C.To make it clear to see D.For’emphasis

A．The trains were delayed. B．He couldn't find a bus stop. C．Something went wrong with his friend's motorbike.

A．Because he is good at motivating people and getting them to work together as a team. B．Because he is hard-working, responsible and diligent. C．Because his graduate school training combined with his internship qualifies him for the job.

A．To describe how the differences between Pleistocene and Cambrian quartz reveal information about dating rocks B．To point out that the chemical composition of quartz makes it more difficult to date than other rocks C．To provide an example of how regional differences in rock sequences can make a particular rock difficult to date D．To explain that rocks are difficult to use for dating because their chemical compositions always remain the same over time

A．Because the examination system is not fine. B．Because it is too examination-oriented. C．Because the examination system is not scientific. D．Because the examination system is out of date.

A．Because Americans love making cars B．Because Americans depend much on cars in their daily life C．Because Americans constantly move from city to city in their cars D．Because the car industry has earned the United States its reputation

A.migrants B.transformers C.immigrants D.emigrants