单项选择题

An administrator needs to know the workstation name of a user who called in for support in orderto remotely manage it. After calling the user and having the user open a command prompt, whichof the following commands would the administrator ask the user to type?（）

A. Netstat
B. Ifconfig
C. Hostname
D. Ping

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单项选择题

A technician is troubleshooting a network connectivity issue with a user's desktop configured to
use a static IP address. The technician notes the following configuration:

Which of the following changes will allow the desktop to communicate properly with remote networks?（）

A. Changing the DNS to 172.16.1.100
B. Changing the WINS server to 172.174.136
C. Changing the netmask to 255.255.255.0
D. Changing the default gateway to 172.16.3.1

单项选择题

A technician temporarily needs an additional network connection in their office to test a newworkstation. Which of the following is the BEST solution to add a temporary network connection?（）

A. Install a small network switch
B. Use port mirroring on the switch
C. Split the pairs of the existing jack
D. Install a CSU/DSU

单项选择题

A network at a small business utilizes a star topology and is experiencing frequent collisionsamong data packets. Which of the following devices is MOST likely being used?（）

A. Unmanaged switch
B. Hardware firewall
C. Hub
D. Managed switch