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An administrator needs to configure a server to restrict mail traffic to an application server for security reasons. Which of the following techniques can be used to manage this？（）
- A、 PAT
- B、 ACLs
- C、 Subnet masking
- D、 Port blocking
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更多 “ An administrator needs to configure a server to restrict mail traffic to an application server for security reasons. Which of the following techniques can be used to manage this？（）A、 PATB、 ACLsC、 Subnet maskingD、 Port blocking” 相关考题
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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 server's switch portD、Ethernet cable
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You are the network administrator for your company. A Windows Server 2003 computer named Router11 is used to connect the network to the Internet. You find out that some computers on the network are infected with a worm， which occasionally sends out traffic to various hosts on the Internet. This traffic always uses a certain source TCP port number.You need to identify which computers are infected with the worm. You need to configure a solution on Router11 that will perform the following two tasks： Detect and identify traffic that is sent by the worm. Immediately send a notification to a network administrator that the infected computer needs to be repaired. What should you do？（）A、Configure a WMI event trigger.B、Configure a Network Monitor capture filter.C、Configure a Network Monitor trigger.D、Configure a System Monitor alert.
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单选题A new server was installed for the purpose of monitoring network traffic. The network has been configured in such a way that all traffic will be mirrored out the port this server is connected to. When reviewing the network traffic logs on the server only traffic destined to the server is listed in the logs. Which of the following is preventing the server from seeing all network traffic?（）A
NIC filtering is enabled.B
Port security is configured.C
NIC is not in promiscuous mode.D
NIC is in promiscuous mode.
考题
单选题An administrator needs to configure a server to restrict mail traffic to an application server for security reasons. Which of the following techniques can be used to manage this？（）A
PATB
ACLsC
Subnet maskingD
Port blocking
考题
单选题Which of the following could be used to restrict access to the local web server to only certain IP addresses？（）A
Create an ACL.B
Create an application exception.C
Configure IPSec.D
Block port 80.
考题
单选题Which of the following BEST describes how server virtualization can cut down IT costs？ （）A
Server virtualization increases server application performance allowing productivity to be increased.B
Server virtualization simplifies server administration and reduces the IT department staffing needs.C
Server virtualization implements higher security measures at the server OS level reducing the need for other security implementations.D
Server virtualization is a more efficient use of hardware for multiple servers reducing the resource utilization.
考题
单选题A new server was installed for the purpose of monitoring network traffic. The network has been configured in such a way that all traffic will be mirrored out the port this server is connected to. When reviewing the network traffic logs on the server only traffic destined to the server is listed in the logs. Which of the following is preventing the server from seeing all network traffic？ （）A
NIC filtering is enabled.B
Port security is configured.C
NIC is not in promiscuous mode.D
NIC is in promiscuous mode.
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
单选题While reviewing the backup logs a server administrator notices that a backup job for an application server on the same subnet has failed. Which of the following is MOST likely the problem？（）A
The remote agent was not running.B
The management card has failed.C
The proxy server was blocking access.D
The hardware firewall was blocking access.
考题
单选题An administrator needs a network that can support up to 800 hosts on the same subnet. Which of the following is the MINIMUM subnet mask that should be used？（）A
255.0.0.0B
255.255.0.0C
255.255.252.0D
255.255.255.0
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