Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Question:
(a) What is a script kiddie? Is it a significant security threat, and why?
(b) Assume that UNIX uses the user login name in lieu of the traditional salt, what is the effect on the security of the password?
(c) Explain the rationale behind the fact that many banks and credit card companies allow their customers to access their accounts from ATM machines using only 4 digits personal identification numbers (PIN).
(d) Consider Alice and Bob communicating. Compare the following two possible messages M1 and M2 sent by Alice. K is the secret key shared between Alice and Bob and K {m} denotes m encrypted using K.
M1: I'm Alice, K{timestamp} M2: I'm Alice, timestamp, hash{K, timestamp}
(i) What three security features are provided by M1 and M2?
(ii) Which message M1 or M2 is more secure and why?
Explain what are the External Threats External security threats are the most problematic ones. Till date the greatest threat was the virus menace. Now, with the sophisticated
Question: (a) Short Message Service (SMS) is a service available on most mobile phones that allows the sending of short messages between mobile phones, other handheld devices
Twisted Pair Cable Twisted pair cable consists of two insulated copper wires each about 1 mm thick arranged in a regular spiral pattern. The wires are twisted together
Consider the similar conditions as the last problem, except for the following: what's the minimum possible response time for the 1 Gbps and a 1 Mbps line? What does the diffrentia
In formation sharing at regular intervals For example every 30 seconds each router sends its information about the whole network to its neighbours. This sharing occurs
Q. What are the main categories based on which applications of computer network will be categorized? Ans: The main areas under which the applications for computer network will
Use Packet Tracer software to model the network that you have designed, and configure the network to make sure it is running properly. The following requirements should be met:
What is the difference among URL instance and URL Connection instance? Ans) A URL instance represents the location of a resource, and a URL Connection instance shows a link for
Features of FDM 1.The FDM channel carries only one phone circuit at a time. 2.If an FDM channel is not in sue then it is sits idle and cannot be used by other user
Delivering message through LAN: We have to devise method for delivering message through LAN phase to single, specific destination device. Sending device uses a hardware addres
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!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd