A user reported a failure to receive emails through the email client. Which of the following are possible causes? (Multiple Choice)

• A.The email server is faulty.
• B.The link is faulty.
• C.The client settings are incorrect.
• D.The user does not have the required rights.

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A DHCP relay agent exists between a DHCP server and DHCP clients. If IP addresses in the global address pool of the DHCP server and IP addresses of VLANIF interfaces connecting the DHCP relay agent to clients are on different network segments, a DHCP fault will occur.

• A.FALSE
• B.TRUE

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The structured network troubleshooting process is triggered by a fault report. The basic principle is to simplify troubleshooting by narrowing down or isolating all possible causes of a fault into several small subsets. In what sequence are structured network troubleshooting steps carried out? 1. Information collection 2. Fault identification 3. Cause list 4. Troubleshooting assessment 5. Fault analysis 6. One-by-one check 7. Fault rectification

• A.1->2->3->6->4->5->7
• B.2->l->5->3->4->6->7
• C.1->2->3->6->5->4->7
• D.2->l->3->5->6->4->7

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Which of the following routers provides the cluster function?

• A.NE20S
• B.NE40E
• C.NE5000E
• D.AR G3

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A large-scale network migration project can be divided into multiple small migration tasks that are relatively independent but also associated with each other.

• A.FALSE
• B.TRUE

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