单项选择题
A. Secures network traffic through shared key encryption.
B. Provides resolution of host names to IP addresses.
C. Provides security for a network through the use of ACLs.
D. Dynamically assigns IP addresses for easy client configuration.
单项选择题 A user calls and says they cannot get to the Internet. How would a technician walk the user through checking the IP address and default Gateway on the computer?（）
多项选择题 Which of the following bus speeds is used for a PCIe card?（）
单项选择题 Which of the following connector types is used with twisted pair cable?（）