Which of the following items are used to remind customers of information security? (Multiple Choice)
Answer : A, B, C, D
On a Layer 2 switching network devices forward data based on MAC addresses. Therefore, data filtering can be performed based on MAC addresses, and a firewall in transparent cannot filter out Layer 3 information in data packets.
Answer : B
Which of the following is the core idea of network troubleshooting?
Answer : A
Which of the following functions is not achieved by formulating a project delivery process?
Answer : B
Which of the following routers provides the cluster function?
Answer : D
Which of the following statements regarding network maintenance work are true? (Multiple Choice)
Answer : B, D
Which of the following fiber interface types is usually used on the device side?
Answer : A