单项选择题

A user reports that their system is starting to run slower, especially when opening large local files. The system has sufficient RAM for the users applications, but the hard drive seems to have higher than normal activity when opening large files.
Which of the following would be the BEST tool to diagnose and troubleshoot this problem? （）

A. Task Manager
B. NTBACKUP
C. FDISK
D. Disk Defragmenter

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单项选择题

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

单项选择题

Which of the following is the BEST solution for repairing a hard drive that results in the NTLDR ismissing display upon booting?（）

A. Use recovery console and the fixmbr command.
B. Use recovery console and the bootcfg /rebuild command.
C. Use recovery console and the fixboot command.
D. Use recovery console and the chkdsk command.

单项选择题

A technician is called for a computer that is not connecting to the network. Which of the following would be the MOST common tool used to identify the issue? （）

A. Cable tester
B. Multimeter
C. Loop back plugs
D. Crossover cable