Part 1: Type 5 Cisco Password Hashes

To keep your routers, firewalls, and switches secure, they need good passwords. Type 5 Cisco password hashes employ a technique called salting. Discuss password hashes and salting and discuss password cracking tools or websites that can be used to crack Cisco password hashes. Some of the most popular Linux tools are John the Ripper and Hashcat, which are both already included with the Kali Linux distribution. The Windows tool Cain can also crack Cisco passwords. Use the as is choice and the default wordlist that comes with Cain on the password hashes below. You may elect to crack some of them and explain how you did it for part of this discussion. Include screenshots:

$1$mERr$TMFGl3gjZgTURz2zWGujv1

$1$mERr$j2lBkUQmIwqeeIUhzEMH/1

$1$mERr$UeZ8mb786UhNnpZquiKwc0

Part 2: Type 7 Cisco Password Hashes

The Cisco type 7 password is not much better than putting the password in clear text, which is the default if you do not type the command service password-encryption. Discuss password hashes and discuss password cracking tools or websites that can be used to crack Cisco type 7 password hashes. Here is a list of some Cisco password hashes. You may elect to crack some of them and explain how you did it for part of this discussion. Include screenshots.

11280B061F1B583342

532E26010C082B070B6F02

46152908515041

09611E590A565451

023057495B085E226D6E

062B3D0D1C4A0E4A44

  

A bank branch located in a commercial district of a city has developed an improved process for serving customers during the noon-to-1:00 P.M. lunch period. The waiting time (defined as the time the customer enters the line until he or she reaches the teller window) of all customers during this hour is recorded over a period of 1 week. A random sample of 15 customers is selected, and the results are as follows:
 

4.21 5.55 3.02 5.13 4.77 2.34 3.54 3.20 4.50 6.10 0.38 5.12 6.46 6.19 3.79
 

a. At the 0.05 level of significance, is there evidence that the population mean waiting time is less than 5 minutes?
b. What assumption about the population distribution is needed in order to conduct the t test in (a)?
c. Use a boxplot or a normal probability plot to evaluate the assumption made in (b).
d. Do you think that the assumption needed in order to conduct the t test in (a) is valid?
e. As a customer walks into the branch office during lunch hour, she asks the branch manager how long she can expect to wait. The branch manager replies “Almost certainly not longer than 5 minutes.” On the basis of the results of (a), evaluate this statement.