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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 immediately after DESTINATION IP ADDRESS. Options are included between DESTINATION IP ADDRESS and packet data in multiples of 32 bits. Header with 96 bits of function has H. LEN field value 8.
DATAGRAM TRANSMISSION AND FRAMES:
IP Internet layer has basic tasks: It creates datagram, calculates next hop and gives to network interface layer. Network interface layer has basic tasks: It related next hop address to hardware address and makes datagram for transmission. But hardware frame doesn't understand IP how datagram is send.
COMPONENTS OF AN INFORMATION SYSTEM The components of an information system are software, data, hardware, people, procedures and Networks. These 6 components are critical to ena
explaain it?
Problem (a) Describe RSA algorithm with an example. (b) Answer the following RSA encryption, given the values of the primes are: p = 17, q = 11 and choosing e = 7. (c)
Netfilter Firewall Netfilter is the popular name for the packet filtering system installed by default in the Linux kernel. The filtering system can be used as a very effective
Threat Identification After identifying and performing a primary classification of an organization’s information assets, the analysis phase moves onto an examination of threats
Information asset classification-risk management A number of organizations have data classification schemes (for instance confidential, internal, public data). The classificat
what is relation ship between computer security goals?
Internet Protocol IP Gives computer-to-computer communication. Host and receiver addresses are computers. This is also known machine-to-machine communication.
Cryptographic algorithms Cryptographic algorithms are broadly classified into two broad categories. They are stated below 1. Symmetric Encryption and 2. Asymmetric Encryptio
Attacks on Cryptosystems Attacks are attempts to achieve unauthorized access to secure communications have characteristically used brute force attacks. Attacker may alternatively
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