单项选择题
A.Layer 1 B.Layer 2 C.Layer 6 D.Layer 7
Which of the following OSI model layers is used for log...
单项选择题Which of the following OSI model layers is used for logical addressing?（）
A. Physical B. Transport C. Network D. Data link
Which of the following is the MOST efficient way to tro...
单项选择题Which of the following is the MOST efficient way to troubleshoot network problems?（）
A. Create an action plan B. Implement and test a solution C. Determine if anything has changed D. Identity a probable cause
Physical and logical network diagrams are used for whic...
单项选择题Physical and logical network diagrams are used for which of the following configuration management goals?（）
A. Track DHCP distribution B. Compare MAC and IP addresses C. Document Internet access history D. Identity network devices
