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QUESTION
(a) Hashing and salting is commonly used as password storage techniques for most applications. Describe how hashing and salting enable secure storage of password
(b) What is the benefit of adopting a password aging policy?
(c) Name the providers in ASP.NET that can be used for
(i) authentication and (ii) authorisation
(d) Why is it advisable to provide a virtual keypad to the user for entering the password or any sensitive information such as credit card numbers?
(e) Discuss the key management issue when using biometric for authentication
IP DATAGRAM Various options can be included to IP header, e.g., source route, record route and timestamp. Header with no function has H. LEN field value 5; data starts immedia
Routers They transfer packets among multiple interconnected network machines (i.e. LANs of different kind). They perform in the data link, physical and network layers. They ha
what are the participant of marketing channal?
Limitations of firewall Firewalls cannot protect a network if security rules are not followed properly by an organization or if the rules are not defined properly. Firewalls ar
QUESTION a) Determine the RTT (round trip time) between a client requesting a web page of 1024 bytes in size from an internal web server on a 100 Base-T Ethernet. Consider a o
IP DATAGRAM SIZE: Datagrams may have different sizes i.e. Header area is generally fixed (20 octets) but can have various options. Data area may contain between 1 octet and 6
REASON FOR MULTIPLE TOPOLOGIES Every topology has disadvantages and advantages, which are described below: IN A RING: It is simple to coordinate access to other dev
table for inverse z transform
Question a) From the capture below: Give the datagram source IP address, upper layer protocol, Total length in decimal and header checksum in hexadecimal; the segment source po
Discuss how developers should apply the following countermeasures to improve the security of their code:
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