Which of the following ports can Mike, a technician, use with an IP address to test FTPconnectivity?（）
第1题：
Which of the following command line utilities can Karen, a technician, use to check for open ports?（）
第2题：
Which of the following components must be elected before the Spanning Tree Protocol can converge in a switched LAN?（）
第3题：
Which of the following components must be elected before the Spanning Tree Protocol can converge in a switched LAN?
A. Designated ports.
B. Duplex operating mode.
C. Fast mode ports.
D. Root bridge.
E. Root ports.
F. BDPU priority.
第4题：
An administrator replaces the network card in a web server. After replacing the network card some users can access the server but others cannot. Which of the following is the FIRST thing the administrator should check?（）
第5题：
Which of the following ports is the default for HTTP?（）
第6题：
When installing a cisco wcs，which two ports can be changed during installation？（）
第7题：
Which of the following protocols is used to disable switch ports automatically to prevent switchingloops?（）
第8题：
Which one of the following characteristics is true regarding the use of hubs and switches?
A．Hubs can have their ports be configured with VLANs
B．Using hubs is costly with regard to bandwidth availability.
C．Switches can not forward broadcasts.
D．Switches are more efficient than hubs in processing frames.
E．Switches increase the number of collision domains in the network.
第9题：
An administrator replaces the network card in a web server. After replacing the network card some users can access the server but others cannot. Which of the following is the FIRST thing the administrator should check？（）
第10题：
Which of the following expansion ports can a server boot from？（）