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单选题
A second network card in a server that activates if the primary card fails is an example of which of the following network performance optimization？（）
A
Load balancing
B
QoS
C
High availability
D
Fault tolerance
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单选题An administrator needs to add fault tolerance capabilities to a server. Which of the following is the BEST solution to accomplish this？（）A
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单选题An administrator replaces the network card in a web server. After replacing the network card some users can access the server but others cannot. Which of the following is the FIRST thing the administrator should check?（）A
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单选题A company plans to upgrade a network server. Before proceeding with the upgrade， the HCL （Hardware Compatibility List） and hardware is checked and necessary backups and documentation are made. The existing 512 MB of SDRAM is replaced with 1024 MB. The 10 Mbps network card is replaced with a 10/100 PCI network card. When the server restarts， beeps sound and the server does not pass the POST. Which of the following is the MOST likely cause of the problem？（）A
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To achieve the goal， the Connection should be set to None for the network interface card.B
To achieve the goal， the Microsoft Loopback Adapter should be installed.C
To achieve the goal， a new Virtual Network should be created.D
To achieve the goal， Internet Connection Sharing （ICS） should be enabled.
考题
单选题Which action increases server availability？（）A
configuring a second network card with a different IP addressB
replacing the existing 100 Mbps NIC with a gigabit Ethernet NICC
using adapter teaming and configuring the second network card with the same IP address as the first network cardD
installing a dual-port network card that can handle the future growth and setting one NIC to 10 Mbps and one NIC to 100 Mbps
考题
单选题An administrator replaces the network card in a web server. After replacing the network card some users can access the server but others cannot. Which of the following is the FIRST thing the administrator should check？（）A
Default gatewayB
The ports on the switchC
Port security on the servers switch portD
Ethernet cable
考题
多选题Your company has a server named Server1 that runs Windows Server 2008 and Microsoft Hyper-V. Server1 hosts three virtual machines. Company policy states that the virtual machines must not connect to the company network. You need to configure all of the virtual machines to connect to each other. You must meet the company policy. Which two actions should you perform？（）ASelect the Not connected option for each virtual machine.BEnable the Enable virtual LAN identification option for each virtual machine.CSet the Connection to Host for the network interface card.DSet the Connection to None for the network interface card.
考题
单选题On an Aironet card， LED 0 and LED 1 are blinking alternately. What does this indicate？ （）A
The Aironet card is in power save mode.B
The Aironet card is looking for a network association.C
The Aironet card is joined to a network， but there is no network activity.D
The Aironet card is joined to a network， and there is network activity.
考题
单选题Which of the following expansion cards would be necessary to increase fault tolerance in a VoIP server？（）A
Second ModemB
Second CPUC
Second HBAD
Second PBX card
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