CMS专题

单选题An administrator needs to update the anti-virus， security patches， BIOS， and the web server software on a production system.  Which of the following is the BEST method to accomplish this？（）AUpdate anti-virus， security patches， BIOS software， and then t

题目
单选题
An administrator needs to update the anti-virus， security patches， BIOS， and the web server software on a production system.  Which of the following is the BEST method to accomplish this？（）
A

 Update anti-virus， security patches， BIOS software， and then the web software.

B

 Update the web software， security patches， anti-virus， and then the BIOS.

C

 Update security patches， BIOS， web software， and then the anti-virus.

D

 The order does not matter， only one change at a time should be done.

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相似问题和答案

第1题：

An administrator has a malfunctioning uninterruptible power supply (UPS). Which of the following is the MOST likely cause of the problem?()

A. Battery needs to be replaced

B. Light switch is turned off

C. Smart cable is disconnected

D. UPS needs a firmware update


参考答案：A

第2题：

A network administrator needs to configure port security on a switch.which two statements are true？（）

  • A、The network administrator can apply port security to dynamic access ports
  • B、The network administrator can configure static secure or sticky secure mac addresses in the voice vlan.
  • C、The sticky learning feature allows the addition of dynamically learned addresses to the runningconfiguration.
  • D、The network administrator can apply port security to EtherChannels.
  • E、When dynamic mac address learning is enabled on an interface，the switch can learn new addresses，up to the maximum defined.

正确答案:C,E

第3题：

A network administrator has configured source NAT, translating to an address that is on a locally connected subnet.The administrator sees the translation working, but traffic does not appear to come back.What is causing the problem?（）

A. The host needs to open the telnet port.

B. The host needs a route for the translated address.

C. The administrator must use a proxy-arp policy for the translated address.

D. The administrator must use a security policy, which will allow communication between the zones.


参考答案：C

第4题：

An administrator has a malfunctioning uninterruptible power supply (UPS). Which of the following is the MOST likely cause of the problem?（）

  • A、Battery needs to be replaced
  • B、Light switch is turned off
  • C、Smart cable is disconnected
  • D、UPS needs a firmware update

正确答案:A

第5题：

Refer to the exhibit. A junior network administrator was given the task of configuring port security on SwitchA to allow only PC_A to access the switched network through port fa0/1. If any other device is detected, the port is to drop frames from this device. The administrator configured the interface and tested it with successful pings from PC_A to RouterA, and then observes the output from these two show commands.Which two of these changes are necessary for SwitchA to meet the requirements? （）

  • A、Port security needs to be globally enabled.
  • B、Port security needs to be enabled on the interface.
  • C、Port security needs to be configured to shut down the interface in the event of a violation.
  • D、Port security needs to be configured to allow only one learned MAC address.
  • E、Port security interface counters need to be cleared before using the show command.
  • F、The port security configuration needs to be saved to NVRAM before it can become active.

正确答案:B,D

第6题：

For security reasons, the network administrator needs to prevent pings into the corporate networks from hosts outside the internetwork. Which protocol should be blocked with access control lists()。

A.IP

B.ICMP

C.TCP

D.UDP


参考答案：B

第7题：

A network administrator needs to configure port security on a switch.which two statements are true?（）

  • A、The network administrator can apply port security to dynamic access ports
  • B、The network administrator can configure static secure or sticky secure mac addresses in the voice vlan.
  • C、The sticky learning feature allows the addition of dynamically learned addresses to the running configuration.
  • D、The network administrator can apply port security to EtherChannels.
  • E、When dynamic mac address learning is enabled on an interface,the switch can learn new addresses,up to the maximum defined.

正确答案:C,E

第8题：

Which command do you use to display the status of an antivirus database update?()

A. show security utm anti-virus status

B. show security anti-virus database status

C. show security utm anti-virus database

D. show security utm anti-virus update


参考答案：A

第9题：

An administrator needs to update the anti-virus, security patches, BIOS, and the web server software on a production system. Which of the following is the BEST method to accomplish this?（）

  • A、Update anti-virus, security patches, BIOS software, and then the web software.
  • B、Update the web software, security patches, anti-virus, and then the BIOS.
  • C、Update security patches, BIOS, web software, and then the anti-virus.
  • D、The order does not matter, only one change at a time should be done.

正确答案:C

第10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、 PAT
  • B、 ACLs
  • C、 Subnet masking
  • D、 Port blocking

正确答案:B

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