A user plugged a cable between two network jacks that attach to the same switch and caused a broadcast storm.<br /> Which of the following would have prevented the broadcast storm?（）..

第1题

[单选题] A user is attempting to connect to the network remotely using a laptop and dial-up. The user plugsthe cable into the only available laptop connection, but the connector is loose inside the port. TheMOST likely reason the connector is loose is the:（）

A、RJ-11 connector needs to be re-crimped B、User has plugged into the laptop's NIC port C、User has plugged the wrong end of the cable into the port D、RJ-11 connector needs to be replaced with an RJ-45 connector

点击查看答案

第2题

[单选题] A user reports that their touchpad no longer works on their laptop. Which of the following is the FIRST troubleshooting step?（）

A、Plug in USB keyboard B、Check for a disable switch C、Contact the laptop manufacturer D、Plug in a USB mouse

点击查看答案

第3题

[单选题] You have an Exchange organization.All servers in the organization have Exchange Server 2010 Service Pack 1 （SP1） installed.The network contains an internal root certification authority （CA）.Users on the network use Outlook Anywhere.A Client Access server uses a wildcard certificate issued by a trusted third-party root CA.You need to ensure that users can send and receive encrypted e-mail messages by using S/MIME. What should you do？（）

A、Instruct all users to import the third-party root CA certificate. B、Import the internal root CA certificate to the Client Access server. C、Instruct all users to import the internal root CA certificate. D、Issue a certificate to each user from the internal root CA

点击查看答案

第4题

[单选题] Your company has a single Active Directory directory service domain. All servers in your environment run Windows Server 2003. You have a stand-alone server that serves as a Stand-alone root certification authority （CA）. You need to ensure that a specific user can back up the CA and configure the audit parameters on the CA. What should you do？（）

A、 Assign the user account to the CA Admin role. B、 Add the user account to the local Administrators group. C、 Grant the user the Back up files and directories user right. D、 Grant the user the Manage auditing and security log user right.

点击查看答案

第5题

[] An organization has Exchange server 2010.Network contains internal root Certification Authorization （CA）.Users on network use Outlook Anywhere.A CAS server uses a wildcard certificate issued by a trusted third party root CA.You need to ensure that users can send and receive encrypted e-mail messages by using S/MIME.What should you do？（）

A、A.Instruct all users to import the 3d-party root CA certification B、B.Configure CAS server to use a certificate issued by a third-party CA C、C.Instruct all users to import an internal root CA certificate D、D.Deploy Outlook Web Access with the S/MIME control to the client system

点击查看答案

第6题

[单选题] A precaution you should take before bunkering is to （） .

A、plug the vents B、plug the sounding pipes C、plug the scuppers D、close the lids on the vents

点击查看答案

第7题

[单选题] A user reports that when the phone rings in their house the wireless on their laptops becomes disconnected. Which of the following BEST describes the issue?（）

A、The cordless phones are plugged into same outlet as the router B、The cordless phones are 5.8Ghz which interferes with wireless C、The cordless phones are 2.4Ghz which interferes with wireless D、The cordless phones are plugged into the RJ-11 jack

点击查看答案

第8题

[] A user reports that a newly installed external CD-RW is not working. Jill, a technician, is called and notes the user has the CD-RW drive, a flash disk, a rarely used external hard drive and a wireless network adapter plugged into an external USB hub. Which of the following is the MOST likely reason for the problem?（） A user reports that a newly installed external CD-RW is not working. Jill, a technician, is called and notes the user has the CD-RW drive, a flash disk, a rarely used external hard drive and a wireless network adapter plugged into an external USB hub. Which of the following is the MOST likely reason for the problem?（）

A、A. The USB hub needs more USB ports. B、B. The USB hub is a version 1.1. C、C. The USB hub was not externally powered. D、D. The USB hub is a version 2.0.

点击查看答案

第9题

[] NJ2型内燃机车共有7个控制区，分别是CA1、CA2、CA3、CA4、CA5、CA6和（）。

A、A.CA7 B、B.CA8 C、C.CA9

点击查看答案

第10题

[单选题] C38-AChe型机车共有7个控制区，分别是CA1、CA2、CA3、CA4、CA5、CA6和（）。

A、CA7 B、CA8 C、CA9

点击查看答案

A user plugged a cable between two network jacks that attach to the same switch and caused a broadcast storm.<br /> Which of the following would have prevented the broadcast storm?（）

请使用微信扫码支付