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

Difference between baseband and broadband transmission , What is difference...

What is difference between Baseband and Broadband Transmission in ccna? Ans) In a baseband transmission, the entire bandwidth of the cable is consumed by a one signal. In bro

Initialization - network layer and routing , Initialization Imagine t...

Initialization Imagine that all routers in our sample internetwork comes up at the same time. Each router sends a greeting packet to its neighbours to find out the sta

Working of internet, As discussed in the earlier section each computer link...

As discussed in the earlier section each computer linked to the Internet has a unique address. Let's assume your IP address is 1.2.3.4 & you wish to send a message to the computer

Building and running mpi programs, MPI parallel programs are written with c...

MPI parallel programs are written with conventional languages like, C and Fortran .One or more header files such as "mpi.h" may be needed to give the necessary definitions and dec

Show the seven layers of iso''s osi model, Q. Show the seven layers of ISO'...

Q. Show the seven layers of ISO's OSI model? Ans:- The seven layers are given below: - Application Layer - Presentation Layer - Session Layer - Transport Laye

Advantages, What are advantages of having e-commerce over extranets

What are advantages of having e-commerce over extranets

Determine the load and throughput in slotted aloha system, In slotted Aloha...

In slotted Aloha system, it has been measured that 70% of slots are occupied by frames (i.e. the remaining slots are empty). a) How many frames need to be transmitted, on aver

What is the mesh network, A network in which there is multiple network link...

A network in which there is multiple network links among computers to provide multiple paths for data to travel.

Difference between a domain and workgroup, What is a difference between a d...

What is a difference between a domain and workgroup?

What are the station types of bss, Station Types No-transition mobility...

Station Types No-transition mobility moreover stationary or moving only inside a BSS BSS-transition mobility is able to move from one BSS to another, but confined inside one

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages