单选题A technician is trying to connect from a home computer to their office computer, but cannotconnect via Remote Desktop. Which of the following ports needs to be open for RDP traffic to be allowed?（）A 21B 80C 443D 3389

题目

单选题

A technician is trying to connect from a home computer to their office computer, but cannotconnect via Remote Desktop. Which of the following ports needs to be open for RDP traffic to be allowed?（）

443

3389

参考答案和解析

正确答案： D

解析：暂无解析

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第2题

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第3题

A technician is trying to connect from a home computer to their office computer, but cannotconnect via Remote Desktop. Which of the following ports needs to be open for RDP traffic to be allowed?（）A、21B、80C、443D、3389

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第4题

A customer reports they are unable to connect to any computers outside of the office and they are unable to connect to the Internet. When the technician runs ipconfig, the customer gets the following output: IP address169.254.2.4 Subnet Mask.255.255.0.0 Default Gateway. Which of the following could be causing the issue?（）A、The subnet mask is not correctly configured.B、The DNS client has not been configured on the computer.C、The DHCP client is unable to obtain an IP address from the DHCP server.D、The default gateway is not specified

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第5题

A technician notices a machine’s performance has degraded. The machine has constant errorswhen trying to read data from the drive. Which of the following should be used to repair the disk errors?（）A、DEFRAGB、MSCONFIGC、EDITD、CHKDSK

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第6题

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第7题

A technician needs to ensure that a specific application on a single home user's computer receives Internet traffic reliably. The home network provides access to three other users and the application relies on a specific protocol. Which of the following should the technician use?（）A、DHCPB、PATC、ProxyD、IPX

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A technician is trying to connect from a home computer to th

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