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生物化学家们宣布，他们已掌握了有效控制植物体内拟南芥酶的技术。使用这种技术，人类就可以改变蔬

菜和水果的气味。拟南芥酶是两种物质的综合体，包括二烯烃氧化物和过氧化氢酶，它能产生茉莉叶和绿叶挥发物GLV，后者决定了蔬菜和水果的芳香特点。由此可以推出()。

A．茉莉花中含有的拟南芥酶比其他花多

B．如果去掉了拟南芥酶，蔬菜和水果将改变气味

C．在掌握这项技术之前，人类无法改变植物的气味

D．决定蔬菜和水果气味的是二烯烃氧化物和过氧化氢酶

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更多“生物化学家们宣布，他们已掌握了有效控制植物体内拟南芥酶的技术…”相关的问题

第1题

What are three valid reasons to assign ports on VLANs on a switch？（）

A. to make VTP easier to implement

B. to isolate broadcast traffic

C. to increase the size of the collision domain

D. to allow more devices to connect to the network

E. to logically group hosts according to function

F. to increase network security

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第2题

What are three valid reasons to assign ports to VLANs on a switch？（）

A. to make VTP easier to implement

B. to isolate broadcast traffic

C. to increase the size of the collision domain

D. to allow more devices to connect to the network

E. to logically group hosts according to function

F. to increase network security

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第3题

What can be inferred about the gift certificate？A．It is valid for three months.B．It is acc

What can be inferred about the gift certificate？

A．It is valid for three months.

B．It is accepted by a specific airline.

C．It can be exchanged for a cash prize.

D．It will be mailed within one week.

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第4题

What is the purpose of the cisco Vlan Trunking protocol？（）

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 switchs

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第5题

What are three valid LDP message types？（）

A．Path

B． Session

C． discovery

D． establishment

E． Advertisement

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第6题

By default, what are three valid routing tables？（）

A．inet.0

B． inet4.0

C． inet.6

D． inet6.0

E． inet.3

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第7题

Bye default, what are three valid routing tables？（）

A．inet.0

B． inet4.0

C． inet.6

D． inet6.0

E． inet.3

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第8题

What are three valid Juniper Networks IPS attack object types？（）（Choose three.)

A．signature

B． anomaly

C． trojan

D． virus

E． chain

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第9题

What are three valid LDP message types？（）（Choose three.)

A. peer discovery

B. label distribution

C. path initialization

D. session management

E. connection establishment

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第10题

the network administrator has been asked to give reasons for moving from ipv4 to ipv6. what are two valid reasons for adopting ipv6 over ipv4？（）

A. telnet access does not require a password

B. nat

C. no broadcast

D. chanage of destination address in the ipv6 header

E. chanage of source address in the ipv6 header

F. autoconfiguration

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