Cipher password guess-cryptography, Computer Networking

Assignment Help:

a. If a password to a cipher is exactly 8 characters long, and each character can be selected from [0-9], [a-z], and [A-Z], how many different passwords are possible?

b. Suppose a system requires passwords be 8 characters long, include at least one capital letter, at least one digit and at least one character from the set of 5 special characters { !,#,%,&,*} . What advantage does this provide an attacker who is trying to guess a password?

 

 


Related Discussions:- Cipher password guess-cryptography

What is the virtual channel, A logical circuit that is created by Virtual c...

A logical circuit that is created by Virtual channel links. It carries data among two endpoints in a network. The one more name for Virtual Channel is Virtual Circuit.

Describe a basic communication model, NETWORK MANAGEMENT & SECURITY 1. ...

NETWORK MANAGEMENT & SECURITY 1. Describe a basic communication model. 2. State the following terms: a. Configuration Management b. Fault Management c. Security Management

What is wdm, What is WDM? WDM is conceptually the similar as FDM, excep...

What is WDM? WDM is conceptually the similar as FDM, except that the multiplexing and demultiplexing includes light signals transmitted by fiber optics channel.

Running netware 4.11 and you cant commune with your router, You are a syst...

You are a system administrator on a NetWare network, you are running  NetWare 4.11 and you cannot commune with your router. What do think what problem is? Ans)NetWare 4.11 defau

Connection to packet switches, CONNECTION TO PACKET SWITCHES:  A packe...

CONNECTION TO PACKET SWITCHES:  A packet switch many join to devices and to other packet switches. But the speeds are different in both parts. There are typically high-speed j

Flow control in TCP, Q. Flow control in TCP? The amount of data a s...

Q. Flow control in TCP? The amount of data a source is able to send before receiving an ACK from the destination Whether to send 1 byte of data as well as wait for ACK

What security risks present on the networks, Security risks present on the ...

Security risks present on the networks Lots of risks are present everywhere on Internet as well as on Intranet, if it is not known what is being done. Every day a number of

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd