单选题What is true if you want to switch undo tablespaces from the current one， called UNDO1， to a new one called UNDO2？（）A It is NOT possible to switch unless no active transaction exist in UNDO1. B It is possible to switch to UNDO2； but current active tran

第1题：

第2题：

A new Catalyst switch is connected to an existing switch using a crossover cable. As a result of this, what would the switch port link lights display?（）

• A、The switch port link lights will be off on both switches indicating the ports are not connected.
• B、The switch port link light will be off on one switch indicating that STP has disabled the port.
• C、The switch port link lights will flash amber indicating an error.
• D、The switch port link lights will be green indicating normal operation.

第3题：

第4题：

You have just created a new VLAN on your network.  What is one step that you should include in your VLAN-based implementation and verification plan？ （）

• A、Verify that trunked links are configured to allow the VLAN traffic.
• B、Verify that the switch is configured to allow for trunking on the switch ports.
• C、Verify that each switch port has the correct IP address space assigned to it for the new VLAN.
• D、Verify that different native VLANs exist between two switches for security purposes.

第5题：

As a network administrator, you have configured a Catalyst 6500 Series Switch with redundant supervisor engine in a CIS network. What is the result of issuing the redundancy force-switchover command on that switch?（）

• A、Automatic switchover from active to standby on primary supervisor failure
• B、Reset of the primary supervisor.
• C、Manual switchover from active to standby supervisor
• D、Manual switchover from standby to active supervisor

第6题：

You have just created a new VLAN on your network for inter-VLAN routing.  What is one step that you should include in your VLAN-based implementation and verification plan？（）

• A、Verify that different native VLANs exist between two switches for security purposes.
• B、Verify that the switch is configured to allow for trunking on the switch ports.
• C、Verify that each switch port has the proper IP address space assigned to it for the new VLAN. 
• D、Verify that the VLAN virtual interface has been correctly created and enabled.

第7题：

A VTP domain has six active VLANs. Without notice， all VLANs except VLAN1 fail. Just prior tothe failure， Switch2 was added to the network. Which three issues on Switch2 could be the cause？（）

• A、Switch2 is configured for only VLAN1
• B、Switch2 is a VTP server in a different domain
• C、Switch2 is a VTP server in the Company domain
• D、Switch2 is not a VTP domain.
• E、Switch2 has a lower VTP configuration revision number than the current VTP revision
• F、Switch2 has a higher VTP configuration revision number than the current VTP revision

第8题：

第9题：

What does the command show | compare rollback 1 display?（）

• A、the difference between the current candidate configuration and the candidate configuration from one commit ago
• B、the difference etween the current active configuration and the active configuration from the one commit ago
• C、the difference between the current active configuration and the active configuration from one commit ago
• D、the difference between the current candidate configuration and the archived configuration from one commit ago

第10题：

What will happen if you issue the redundancy force-switchover command on a Catalyst 6500Series Switch with redundant supervisor modules?（）

• A、reset of the primary supervisor
• B、manual switchover from standby to active supervisor
• C、manual switchover from active to standby supervisor
• D、automatic switchover from active to standby on primary supervisor failure