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Q. What are the Tools sued for Cryptography and Web Security?
Tools - Cryptography
VPN
- remote access
PGP
- email
Dedicated Circuits
-tunnels'
- IPSec
Tools - Web Security
Firewalls
- denial of services vs threats
Remote Access
Human Element
- keeping info in is harder in comparison of keeping people out
A multimeter is used to measure a sinusoidal signal and reads 2V RMS; what is the peak-to-peak voltage of the signal? A mark will be deducted if you do not quote your answer to 2 s
Round Trip Time (RTT) and Time Out The size and the complexity of computer networks have grown in past years. To achieve an efficient and reliable transmission some
Assume the following 64-bit DES key (expressed in hexadecimal): FEFE FEFE FEFE FEFE (a) What is the term for such a key? (b) State the value of each of the 48-bit round keys
differntiate between error control and flow control in data link layer
What are the basic LAN topologies? The three simple LAN topologies that are combined to shape any practical topology are called as basic LAN topologies. They are, Bus Topology
stop and wait arq
Q. What is Two Types of Errors? Single-Bit Errors: Merely one bit in the data unit has changed Burst Errors of length 'n': 2 or more bits in the data unit have changed (
What is a Counter A software code that indicates how many times a site has been visited. It gets automatically updated and is usually represented by a small rectangle with n
Data Alignment Arrays are aligned to templates by the ALIGN directive. The ALIGN directive is used to align elements of different arrays with each other, indicating that they s
Determine about the Security Systems If the company intends to connect to the Internet, then it should pay great attention to the configuration of firewalls. Just as no one wo
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