The following message appeared on my Red Hat 7.3 system when I logged on via a telnet session. ******** stands for the password entered.

What will be an ideal response?

```
$ telnet 172.28.40.1
Trying 172.28.40.1...
Connected to 172.28.40.1.
Escape character is '^]'.
Welcome to the LUMS linux research lab (reslab1)
Unauthorised use of this system is prohibited
login: msarwar
Password:********
Last login: Mon Dec 2 19:03:43 from 172.28.15.73
You have mail.
$
```

Computer Science & Information Technology

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Computer Science & Information Technology

Which type of password cracking attack uses a predefined dictionary to attempt to discover the password?

a. Dictionary attack b. Brute force attack c. Hybrid attack d. Rainbow table attack

Computer Science & Information Technology