单选题A technician wants to increase the reliability of a DHCP server. Which of the following components should be installed to increase the server’s uptime on the network？（）A  Increase the amount of RAMB  Use a lower voltage power supplyC  Add a hardware fi

第1题：

第2题：

Which three best describe the customer benefits of the Cisco Lifecycle Services approach？（）

• A、improve the skill sets of its staff members
• B、increase the value of and return on investment for its networks
• C、increase network staff productivity
• D、increase the amount of server room rack space
• E、improve network availability， resiliency， security， and scalability
• F、increase the amount of time required to integrate network changes

第3题：

第4题：

A technician wants to use an existing DHCP server for three additional VLANs. Which of the following features needs to be configured to allow for this addition?（）

• A、DHCP server
• B、Proxy server
• C、Repeater
• D、DHCP relay

第5题：

A technician wants to decrease the overall attack surface of the servers in a data center through decreasing the number of open network ports on each server. Which of the following could the technician implement to increase security？（）

• A、Host based intrusion detection software
• B、Software firewall
• C、NTFS
• D、ACL

第6题：

A network technician arrives to work and discovers users are having a problem connecting the company server. The server operator was working on upgrades the night before. Which of the following documents should the technician use to attempt to discover the problem?（）

• A、Network maps
• B、Change management
• C、Baselines
• D、Cable management

第7题：

Which of the following is true regarding the use of switches and hubs for network connectivity（）。

• A、Switches take less time to process frames than hubs take.
• B、Switches do not forward broadcasts.
• C、Hubs can filter frames.
• D、Using hubs can increase the amount of bandwidth available to hosts.
• E、Switches increase the number of collision domains in the network.

第8题：

第9题：

An administrator wants to rackmount a new server.  Power and network outlets are available and cooling in the room is adequate to support the additional server. The new server is identical to the other servers already installed.  Which of the following items should the administrator FIRST verify before installing the server？（）

• A、HBA is compatible with the SAN fiber switch.
• B、Update the newly installed server with the latest KVM drivers.
• C、The UPS will continue to perform as expected with the additional load.
• D、Verify the server NIC is compatible with the NAS.

第10题：

Which of the following are benefits to server virtualization？（）

• A、Operating system standardization
• B、Increased hardware utilization
• C、Increase of unused resources
• D、Ease of administration
• E、Simplification of disaster recovery
• F、Ease of new server deployment