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(a) Figure is a representation of a TCP header. For each of the fields lettered from A to G, state the name of the field and provide a brief explanation for the function of each field in the header.
(b) Justify the use of UDP (User Datagram Protocol), despite the fact that another transport layer protocol, TCP gives reliability, flow control as well as congestion control.
(c) Explain the following network layer protocols:
i. NAT ii. DHCP iii. ICMP.
(d) State two main differences between an IPv4 and an IPv6 address.
Protocols for Secure Communications Securing Internet Communication by using S-HTTP and SSL Secure Socket Layer (SSL) protocol is a protocol that uses public key encryption t
Describe the process a proposed standard goes through to become an RFC
SUCCESS OF IP: IP has accommodated dramatic modification since real design. But basic rules are still appropriate today. There are many new kinds of hardware. SCALING:
(a) Describe DES encryption with a block diagram and brief steps. (b) How does triple DES improve security. What is the effective key length of triple DES? How can 3DES be compa
UDP COMMUNICATION SEMANTICS: UDP needs IP for all delivery, that is, similar best effort delivery as IP. To use UDP, an application have to either be immune to the causes or
Computer networks are defined by four factors which are as given below: 1) NETWORK SIZE: According to the size of networks. 1) Local Area Network ( LAN) 2) Wide Area Ne
Systems-Specific Policy (SysSP) SysSPs are codified as standards and procedures which are used when configuring or maintaining systems. Systems specific policies fall into 2 g
Question: a) Give two reasons why the building-block approach is favoured to the traditional network design approach. b) With reference to network monitoring parameters, dis
The project will be involving a design and a report of which explain the simulation and how it functions. The aim of the project is to help the administrators and staff at the war
You are an IT Security administrator in a banking organization. Your organization hired an outside IT firm to do a proof of Concept for new equipment which is a computer based syst
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