Assume that you received a phone call at your office seat. An employee said he/she could not access the Internet on the PC and needed your technical support. Then you ran the ping command on his/her PC and ran the tracert command to check where packet loss occurred.
Which of the following troubleshooting methods is used in this process?

• A.Top-down
• B.Configuration comparison
• C.Bottom-up
• D.Service traffic path check

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On the border between an enterprise network and its external network, which of the following devices is deployed at the outermost side of the enterprise network?

• A.VPN
• B.FW
• C.IDS
• D.IPS

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Which of the following statements regarding network maintenance work are true? (Multiple Choice)

• A.The device software running is closely related to services running on the device.
• B.The external environment where hardware runs does not need special attention.
• C.For device software maintenance, onsite operations are allowed but only remote operations are recommended.
• D.For device environment maintenance, maintenance personnel need to go to the site or even use some professional tools for observation and measurement.

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Assume that you received a phone call at your office seat. An employee said he/she could not access the Internet on the PC and needed your technical support. Then you ran the ping command on his/her PC and ran the tracert command to check where packet loss occurred. Which of the following troubleshooting methods is used in this process?

• A.Top-down
• B.Bottom-up
• C.Service traffic path check
• D.Configuration comparison

Comment: *

Name: *

Email: *

Verification: *

Which of the following aspects should be considered during preliminary analysis of a migration project?
(Multiple Choice)

• A.Feasibility
• B.Necessity
• C.Costs
• D.Risks

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