Which of the following bus speeds is used for a PCIe ca……

单项选择题Which of the following connector types is used with twisted pair cable?（）

A. T-Connector
B. BNC
C. RJ-45
D. LC

单项选择题Which of the following allows verification of the port that a printer is currently using?（）

A. The print queue window from system tray
B. Properties of the printer from the Printers Control Panel
C. Print spooler view in the Printers Control Panel
D. Properties of the port within Device Manager

单项选择题Which of the following protocols uses port 80?（）

A. SMTP
B. HTTP
C. HTTPS
D. FTP

单项选择题While performing a preventative maintenance check on a personal computer, a technician notices thatseveralunused expansion card slots have open ports. Which of the following BEST describes why the covers for these card slots should be reinstalled?（）

A. Help limit radio frequency interference (RFI) inside the case.
B. Help ensure proper air flow through the case.
C. Help prevent moisture buildup in the case.
D. Help limit electrostatic discharge (ESD) inside the case.

多项选择题Which of the following are valid ports for printing over a network? （）

A. USB 001
B. \\computername\sharename
C. SNMP
D. IP_ip_address
E. IEEE 1394