更多"A user is trying to connect a mobil"的相关试题:
[单项选择] A user is trying to use Remote Desktop to connect to another computer on the LAN. Theconnection fails. The technician opens up a command prompt and types the following: “telnetcomputernamE. 3389” and also gets the same error message. Which of the following is the MOSTlikely cause of this error, assuming that the OS firewall has been disabled?（）
A. The antivirus software is blocking the incoming connection.
B. The ISP is blocking Remote Desktop at their end.
C. The RDP connection has been configured to use a non-standard port.
D. The telnet service has not been installed.
[单项选择]A user states that they are trying to project their laptop to a screen for a presentation. They have plugged the projector cable into their laptop, and turned the projector on, but no signal is found. Which of the following should the technician perform FIRST?（）
A. Ensure the projector is receiving power
B. Verify the laptop is not running on battery
C. Toggle the function key for displays
D. Replace the projector cable with another
[单项选择] A user is trying to connect their new desktop to the network but is unable to get an IP address. The technician tests the cable and finds that there are too many open pairs. Which of the following wiring standards needs to be used in the replacement cable?（）
A. 568B
B. Crossover
C. 569-A
D. 607-A
[单项选择]A user is trying to boot a desktop PC from their A: drive. Which of the following devices is the userdescribing？（）
A. The floppy drive
B. The hard drive
C. The CD-ROM drive
D. The DVD-ROM drive
[单项选择]A Windows user is trying to get to a shared folder on a server but is receiving an error message that multiple connections to the same resource are not allowed. Which of the following tools can the technician use from the user’s workstation to get the user reconnected as quickly as possible？（）
A. nbtstat with the/reload parameter
B. nbtstat with the/resolved parameter
C. net use with the/delete parameter
D. net use with the/persistent parameter
[单项选择]The user is trying to execute a SELECT statement. Which of the following background processes will obtain data from a disk for the user?（）
A. DISPATCHER
B. USER
C. SERVER
D. LGWR
E. DBW0
[单项选择]A remote user is trying to telnet to the production server. The session is getting a timeout error. Which command should the user issue to verify the network connection？（）
A. iptrace
B. nslookup
C. netstat
D. traceroute
[单项选择] Juan prefiere ir :
A. a las monta as;
B. al partido;
C. al centro de la ciudad;
D. a comprar las entradas.
[单项选择]免疫应答(Ir)基因
A. 与X染色体连锁
B. 控制免疫球蛋白V区氨基酸序列的多样性
C. 被认为是组织相容性基因复合体的一部分
D. 控制免疫球蛋白稳定区的同种型
E. 见于所有动物，从软体动物到人
[填空题]若中断控制器8259的中断请求寄存器IRR状态为10100000B，说明IR5，IR7引脚上有中断请求。ISR状态为（）说明出现了中断嵌套。
[简答题]8259A中断控制器的IR0——IR7的主要用途是什么？如何使用8259A上的CAS0——CAS2引脚？
[单项选择]某微机系统采用8259 中断控制器，若其IR1 的中断向量码为29H，则IR3 的中断向量码是__(32)__。
A. 2BH
B. 31H
C. 39H
D. 3BH
[简答题]怎样用8259A的屏蔽命令字来禁止IR2和IR4引脚上的中断请求?又怎样撤销该禁止命令？设8259A的端口地址为53H和54H。
[判断题]在8259级联系统中，作为主片的8259A的某些IR引脚连接从片，同时也可以在另一些IR引脚上直接连接外设的中断请求信号端。
[简答题]一个8259A主片，连接两片8259A从片，从片分别经主片的IR2以及IR5引脚接入，问系统中优先排列次序如何？
[简答题]某系统中有两片8259A，从片的请求信号连主片的IR2引脚，设备A中断请求信号连从片IR5引脚。说明设备A在一次I/O操作完成后通过两片8259A向8086申请中断，8086CPU通过两片8259A响应中断，进入设备A中断服务程序，发送中断结束命令，返回断点的全过程。
[单项选择]Economists and government officials are trying to get at the cause of the current inflation.
A. discover
B. eliminate
C. inaugurate
D. devise
[填空题]有3片8259A级联，从片分别接入主片的IR2和IR5，则主片8259A的ICW3中的内容为（）；2片从片8259A的ICW3的内容分别为（）、（）。
