After properly configuring multiple VLANs， an administrator has decided to secure its VLAN network. Which three steps are required to secure this environment？（Choose three.）（）A、 If a port is connected to a foreign device make sure to disable CDP， DTP， RP

题目

After properly configuring multiple VLANs， an administrator has decided to secure its VLAN network. Which three steps are required to secure this environment？（Choose three.）（）

A、 If a port is connected to a foreign device make sure to disable CDP， DTP， RPR， PAgP， UDLP， and any other unnecessary protocols， and enable UplinkFast/BPDU guard on it.
B、 Enable root guard feature to prevent a directly or indirectly connected STP-capable device from affecting the location of the root bridge.
C、 Configure VTP domains appropriately or turn off VTP altogether to limit or prevent possible undesirable protocol interaction with regards to the network-wide VLAN configuration.
D、 Set the native VLAN ID to match the port VLAN ID of any 802.1q trunk to prevent spoofing.
E、 Disable all unused ports and place them in an unused VLAN to avoid unauthorized access.

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第1题：

在路由器的“Router(confi9—if)#”模式下，执行命令end将切换到 (60) 模式。 A．Router> B．Router#C．Router(config)#D．Router(confi9—line)#

正确答案：B
要点解析：在“Router(confi9．if)#”端口模式下，执行命令end将直接退回到特权用户模式“Router#”。在“Router(confi9．if)#”端口模式下，执行命令exit将退回到全局配置模式“Router(config)#”。

第2题：

If the period between twenty and thirty is the critical one in the formation of intellectual and professional habits, the period below twenty is more important still for the fixing of personal habits, properly so called, such as vocalization and pronunciation, gesture, motion, and address. Hardly ever is a language learned after twenty spoken without a foreign accent. Hardly, ever, indeed, can he even learn to dress like a gentleman-born. Hardly ever, indeed, no matter how much money there be in his pocket, can he eve n learn to dress like a gentleman-born.

正确答案：如果说二三十岁这个时期是(一个人的)形成知识和职业习惯的关键时期，那么，二十 7 岁以下的时期对形成所谓的个人习惯更为重要，如发声发音习惯、手势步态习惯，动作和讲话习惯等。二十岁以后学的语言不可能不带外来腔的;不管他口袋有多少钱，也不可能穿戴得像个生就的绅士那样。

第3题：

This machine _______ properly.

A. functions

B. acts

C. runs

D. operation

参考答案：A

第4题：

A recommended PTF is released to resolve reliability issues with bos .net.tcp.server. A Maintenance windows has been scheduled to install the PTF on all nodes. In order to complete the maintenance，what are the next logical steps to be completed after the install of the PTF on all nodes？（）

A、 Test Ethernet fallover and bring all of the resource groups online.
B、 Upgrade the firmware on all Ethernet adapters and bring all of the resource groups online.
C、 Verify all necessary applications and resource groups are functioning properly and test ethernet fallover on all nodes.
D、 Verify all necessary applications and resource groups are functioning properly and bring all of the resource groups online.

正确答案:C

第5题：

AFTER DROPPING THE PILOT means ______.

A.After boarding the pilot

B.After the pilot leaving the ship

C.After the pilot going on board

D.After taking the pilot

正确答案：B

第6题：

Bras Basah Road is named____________．

A．after a person

B．after a place

C．after an activity

D．by its shape

正确答案：C
由“Some places were named after the activities that used to go on at those places．Bras Basah Road is an interesting example．”可知。

第7题：

（）

A．careful

B．carefully

C．proper

D．properly

正确答案：D

第8题：

The saying“He who dies rich, dies disgraced” properly means that

A． the wealthy people should give away their fortunes after death

B． the wealthy people should feel ashamed for their assets

C． the wealthy people should abandon their careers for charities

D． it is shameful for the wealthy people to keep their wealth till death

正确答案：D
语义理解题。选项A“the wealthy people should give away their fortunes after death”(富人死后应放弃财产)；选项B“the wealthy people should feel ashamed for their assets”(富人应为自己的财产感到耻辱)；选项C“the wealthy people should abandon their careers for charities”(富人应该为了慈善放弃自己的事业);选项D“it is shameful for the wealthy people to keep their wealth till death”(有钱人到死都保留着自己的财产是件羞辱的事)。从上下文可知，只有D符合句义，因此D为正确答案。

第9题：

The carrier shall be bound before and at the beginning of the voyage to exercise due diligence to ______．

A.make the ship seaworthy

B.prepare the cargo properly for the carriage

C.clean the holds before discharging the goods and/or after loading the goods

D.train crew members in accordance with all regulations concerned

正确答案：A

第10题：

Before leaving the harbour, all derricks must be （）properly.

A、tightened
B、secured
C、unfastened
D、loaded

正确答案:B

After properly confi

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