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單項(xiàng)選擇題

A user receives an email slating that their account was compromised and there is a need to verify
account credentials by submitting the correct information on a website.
Which of the following security threats is occurring?（）

A. Phishing
B. Smurf attack
C. Denial of service
D. Man-in-the-middle

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單項(xiàng)選擇題

Which of the following protocols should be used to monitor network performance?（）

A.SNTP
B.SMTP
C.HTTP
D.SNMP

單項(xiàng)選擇題

An administrator is setting up a security camera that will send the same feed to twelve of the
twenty workstations on the network.
Which of the following addressing schemes was designed for this scenario?（）

A.Multicast
B.Unicast
C.Broadcast
D.Peer-to-peer

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