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Bridges perform both in the data link layers and physical of LANs of same kind. They split a bigger network in to smaller segments. They have logic that accept them to store the traffic for every segment separate and thus are repeaters that transfer a frame only the side of the segment having the control congestion and intended recipient.
Confidentiality Confidentiality of information ensures that only those with sufficient privileges may access specific information. When unauthorized individuals can access inform
Question: a) Explain what the following intermediate systems are and how they work? i. Repeater ii. Bridge b) A service is formally specified by a set of primitives (op
Question: (a) What is the use of digital certificate? (b) What is meant by a hierarchical trust model in a Public Key Infrastructure? How does the Pretty Good Privacy (PG
what is computer network?
QUESTION a) Below is a capture of an Ethernet II frame which contains an IPv4 packet and a segment. Give the source MAC address in hexadecimal; the source IP address, the uppe
ERROR REPORTING MECHANISM (ICMP) INTRODUCTION: IP gives best-effort delivery. Delivery causes can be ignored; datagrams may be 'dropped on the ground'. Internet Control Me
Evaluations, Assessment, and Maintenance of Risk Controls When the control strategy has been implemented, it should be monitored and measured on an ongoing basis to determine ef
WHY USE AN IDS? IDS prevent from problem behaviors by increasing the perceived risk of discovery and punishment. Detect the attacks and other security violations. Detect and at
For this assessment, students must research and analyse two different scenarios. The two scenarios must be chosen from those described below and submitted as one Microsoft PowerPoi
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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