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【单项选择题】

Before inserting a new switch in the network，the network administrator checks that the VTP domain name is correct，the VTP mode is set to server， and revision is lower than the switches in the network. The administrator then configures interfaces and trunks，erases existing VLANs，and connects the switch to the network. Following that procedure，there is no connectivity in the network. What is a possible cause of this problem？（）

A、A.Because the configuration revision of the new switches is lower than the rest of the network， it can change the VLAN database of the other switches.

B、B.As a VTP server， the new switch deleted all VLANs of the network.

C、C.Erasing VLANs increases the VTP configuration revision.

D、D.Since the configuration revision of the network is higher than the new switch， the VLAN database was automatically synchronized.

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更多“Before inserting a new switch in the network，the network administrator checks that the VTP domain name is correct，the VTP mode is set to server， and revision is lower than the switches in the network. The administrator then configures interfaces and trunks，erases existing VLANs，and connects the switch to the network. Following that procedure，there is no connectivity in the network. What is a possible cause of this problem？（）”相关的问题
第1题
[单选题] Which is the MOST important consideration before making a change to a server？（）

A、Explore the ramification of the change before implementation.  B、Determine the service level agreement in place before implementation.  C、Review the equipment disposal procedures and policies before implementation.  D、Notify all staff members of the planned system outage before implementation.  

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第2题
[单选题] Which of the following is the MOST important consideration before making a change to a server？（）

A、 Explore the ramification of the change before implementation.  B、 Determine the service level agreement in place before implementation.  C、 Review the equipment disposal procedures and policies before implementation.  D、 Notify all staff members of the planned system outage before implementation.  

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第3题
[单选题] You are developing a tax report for the payroll application. You created a before parameter form report trigger to create three temporary tables to store text that are need while the report is executed. Which report trigger would you use to delete these temporary tables?（）

A、Before parameter form.   B、After parameter form.   C、Before report.   D、After report.  

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第4题
[单选题] In a frame ，the MPLS label is imposed（）.

A、After the Layer3 header and before Layer2 header  B、After the Layer2 header and before Layer3 header  C、Within the Layer 3 header  D、Before the layer 2 header  

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第5题
[单选题] The manager asked me （）I could finish my work before the weekend.

A、what  B、whether  C、which  

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第6题
[单选题] On the Cisco Nexus 7000 Series Switch， Control Plane Policing is enforced on which component？（）

A、 The supervisor module enforces CoPP before out-of-policy traffic reaches the CPU  B、 The fabric modules enforce CoPP in the fabric before out-of-policy traffic reaches the CPU   C、 The linecards enforce CoPP locally before out-of-policy traffic reaches the CPU  D、 The egress virtual output queue enforces CoPP locally before out-of-policy traffic reaches the CPU  

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第7题
[] Where is the MPLS label imposed？（）

A、A.after the Layer 3 header and before the Layer 2 payload  B、B.after the Layer 3 header and before the Layer 4 payload  C、C.after the Layer 2 header and before the Layer 1 payload  D、D.after the Layer 1 header and before the Layer 2 payload  E、E.after the Layer 2 header and before the Layer 3 payload  

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第8题
[单选题] You work as a database administrator for Certkiller .com. In the Certkiller PRODUCTION database you have granted RESUMABLE system privilege to the CONNECT role.Resumablespace operation has been enabled for all user session. You want users NOT to be aware of any kind of space-related problems while performing transactions. Instead， you want the problem to be resolved by a database trigger automatically. Which combination of triggering time and event would you use to achieve this objective？（）

A、AFTER CREATE  B、AFTER SUSPEND  C、BEFORE CREATE  D、AFTER TRUNCATE  E、BEFORE SUSPEND  F、AFTER INSERT OR DELETE OR DELETE  H、BEFORE INSERT OR DELETE OR DELETE  

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第9题
[单选题] An administrator plans to apply a fix pack to the PowerHA software using a rolling migration. At what stage ofthe migration is a cluster verification supported？（）

A、Individually before each node is upgraded  B、Individually before and after each node is upgraded  C、Individually after each node has been upgraded  D、Collectively after all nodes have been upgraded  

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第10题
[简答题] You have two NTP servers 10.1.1.1 & 10.1.1.2 and want to configure a router to use 10.1.1.2 as its NTP server before falling back to 10.1.1.1. Which command will you use？

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