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[主观题]

现在，在黄金领域进行投资将是一项有利可图的商业活动。《中国黄金》杂志的一项调查表明，该杂志读者

中有88%的人正在计划最近购买一批金条，而对于黄金投资市场的研究显示，目前每年推出的金条购赎业务只能满足购买需求的70%。下面哪项如果为真，最能对上文投资建议的正确性构成质疑？()

A．购买金条的人中大约有一半的人为了购买金条而进行抵押贷款

B．在金条购赎业务开展的前两个星期里，金条只卖出了总数的20%

C．购买金条的人中大约有一半的人曾经有过黄金投资行为

D．那些宣称购买金条的人中仅仅只有的20%的人最后真的购买了金条

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更多“现在，在黄金领域进行投资将是一项有利可图的商业活动。《中国黄…”相关的问题

第1题

What are the possible trunking modes for a switch port？（）

A．transparent

B． auto

C． on

D． desirable

E． client

F． forwarding

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第2题

You are bringing up a new Cisco Catalyst switch, and wish to connect it via a trunk to ano

ther switch from a different vendor, which uses the IEEE standard for the trunking method.When setting the encapsulation type on the trunk, what should you configure on the Cisco switch？（）

A. Switch(config)# switchport trunk encapsulation isl

B. Switch(config)# switchport trunk encapsulation ietf

C. Switch(config-if)# switchport trunk encapsulation isl

D. Switch(config-if)# switchport trunk encapsulation ietf

E. Switch(config-if)# switchport trunk encapsulation dot1q

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第3题

You are bringing up a new Ezonexam switch, and wish to connect it via a trunk to another s

witch from a different vendor, which uses the IEEE standard for the trunking method. When setting the encapsulation type on the trunk, what should you configure on the Cisco switch？

A．Switch(config)# switchport trunk encapsulation isl

B．Switch(config)# switchport trunk encapsulation ietf

C．Switch(config-if)# switchport trunk encapsulation isl

D．Switch(config-if)# switchport trunk encapsulation ietf

E．Switch(config-if)# switchport trunk encapsulation dot1q

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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

Which are valid modes for a switch port used as a VLAN trunk？（）

A．transparent

B．auto

C．on

D．desirable

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第6题

Under which circumstance will a branch ISR router contain interface vlan configurations？（）

A. performing inter - VLAN routing

B. performing 802.1Q trunking

C. performi ng ISL trunking

D. Ethernet Switch Module installed

E. ADSL WIC installed

F. running Call Manager Express

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第7题

Which are valid modes for a switch port used as a VLAN trunk？（）

A．transparent

B．auto

C．on

D．desirable

E．blocking

F．forwarding

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第8题

Which are valid modes for a switch port used as a VLAN trunk （Choose three.)（）。

A．transparent

B．auto

C．on

D．desirable

E．blocking

F．forwarding

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第9题

When a switch port is used as a VLAN trunk, which of the following trunk modes are valid？（）

A．Blocking

B． Auto

C． Desirable

D． On

E． Transparent

F． Learning

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第10题

What are some characteristics of the typical VLAN arrangement？（）

A. VLANs logically divide a switch into multiple, independent switches at Layer 2.

B. Trunk links can carry traffic for multiple VLANs.

C. VLAN implementation significantly increases traffic due to added trunking information.

D. A VLAN can span multiple switches.

E. VLANs extend the collision domain to include multiple switches.

F. VLANs typically decrease the number of multiple switches.

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