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Huawei HCIA-Security V4.0 Sample Questions:

1. While working for a company, Tom receives an email with an attachment. Which of the following operations is correct?

A) Opening the attachment directly because email attachments do not affect information security
B) Checking the sender and email information, and using antivirus software to check the attachment
C) Checking the email sender. If the email was sent from the company's mailbox, Tom can open and save the attachment
D) Checking the email's content. If the email is related to work, Tom can open and save the attachment

2. Which of the following statements are correct about the PKI system structure?

A) A PKI system consists of three parts: entity, certificate authority, and certificate registration authority.
B) CAs are classified into the root CA and subordinate CAs according to the hierarchy of CAs.
C) A PKI entity is an end user of PKI products or services. It can be an individual, an organization, a device such as a router or firewall, or a process running on a computer.
D) A CA is a trusted entity that issues and manages digital certificates.

3. Which of the following statements is incorrect about information transmission through the heartbeat link between two firewalls that work in hot standby mode?

A) Heartbeat packets are periodically sent by the two firewalls to check whether the peer device is alive.
B) Configuration consistency check packets are sent to check whether key configurations of the two firewalls are consistent.
C) Heartbeat packets are sent to synchronize configuration commands and status information between the two firewalls.
D) VGMP packets are sent to check the status of the peer device, so as to determine whether a switchover is required.

4. A three-way handshake is required to establish a TCP connection, and a four-way handshake is required to end a TCP connection.

A) FALSE
B) TRUE

5. Under normal circumstances, the Emai1 protocols we often talk about include ____, POP3, and SMTP.

Solutions: