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QUESTION:
(a) Explain, with the aid of a diagram, a Star topology of a network of your choice.
(b) Illustrate on the use of a MAN and give an example of one.
(c) Describe the functionality of a router
(d) Show the improvements over HTTP 1.0 which has led to HTTP 1.1.
(e) HTTP gives different methods for loading information from a client to a web server, namely: Post, Get and Head. Justify the use of each method.
(f) A cookie is used to maintain the "State" of an HTTP transaction. Explain the content of such a cookie.
(g) You have been hired as a consultant in network administration for the setting up of a campus wide LAN for the UTM campus. Each department in the campus can have its own LAN, running its own services, resources, control policies and security measures.
Telecommunication service provider has allocated an IP Address of 101.168.160.0 and Subnet Mask of 255.255.224.0 to the campus. Determine all possible range of IP Addresses that will be worked out from these two values. Show the details of your working out the addresses.
Cryptographic algorithms Cryptographic algorithms are broadly classified into two broad categories. They are stated below 1. Symmetric Encryption and 2. Asymmetric Encryptio
COLLISION: The receiver can get simultaneous requests, which gives in collision at receivers and both service lost and in this way no transmitter accepts reservations and both use
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RING TOPOLOGY In this topology of network the devices are connected to each other in packed loop. In this network first computer passes data packet to the second and then seco
Encode the following plaintext, using the Caesar cipher: LORD OF THE RINGS b) The following ciphertext jw njbh lxmn cx kanjt has been encoded using a
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Cipher Methods There are 2 methods of encrypting plaintext: • Bit stream method – every bit in the plaintext bit is transformed into a cipher bit one bit at a time. • Block cip
With explain the encryption model the help of diagram. Symmetric cipher model uses the secret-key or a single-key for encryption/decryption purposes. It employs a symmetric encr
Network diagram for a mediacal care
Dropbox’s tool shows how chatbots could be future of cybersecurity
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