121.
__________ is a method for expanding an email list.
- A.VRFY
- B.EXPN
- C.RCPT TO
- D.SMTP
- Answer & Explanation
- Report
Answer : [B]
Explanation :
Explanation :
| The EXPN command will display the recipients of an email list. |
122.
An attacker can use __________ to enumerate users on a system.
- A.NetBIOS
- B.TCP/IP
- C.NetBEUI
- D.NNTP
- Answer & Explanation
- Report
Answer : [A]
Explanation :
Explanation :
| NetBIOS can be used to enumerate the users on a system. |
123.
A __________ is used to connect to a remote system using NetBIOS.
- A.NULL session
- B.Hash
- C.Rainbow table
- D.Rootkit
- Answer & Explanation
- Report
Answer : [A]
Explanation :
Explanation :
| A NULL session can be used to connect to a remote system via the ipc$ share. |
124.
__________ is used to synchronize clocks on a network.
- A.SAM
- B.NTP
- C.NetBIOS
- D.FTP
- Answer & Explanation
- Report
Answer : [B]
Explanation :
Explanation :
| NTP (Network Time Protocol) is used to synchronize clocks on a network. |
125.
Port number __________ is used for SMTP.
- A.25
- B.110
- C.389
- D.52
- Answer & Explanation
- Report
Answer : [A]
Explanation :
Explanation :
| Port 25 is for SMTP. |
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