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Question: (a) What is a script kiddie? Is it a significant security threat, and why? (b) Assume that UNIX uses the user login name in lieu of the traditional salt, what is
Go Back ( GBN) Go back N ARQ is specific instance of the automatic repeat request protocols in which the sending process continues to send a number of frames specific
Q. What is Source Routing? Source Routing - Sender of packet defines bridges and routes that packet should take - Complete path of bridge IDs and destination address i
It is an additional 16-bit number which uniquely identifies the specific service on any given machine on the Internet. Port numbers are 16 bit wide, so each of the computers on the
Q. Define Unicast - Multicast and Reserved Addresses? Unicast, Multicast, and Reserved Addresses Unicast address - identifies a specific device Multicast address
Packet Switching In the packet switching network type on specific path is used for data transfer. Instead the data is chopped up into small pieces called packed and s
A communication protocol is an agreement which specifies a common language two computers use to exchange messages. For instance, a protocol denotes the exact format and meaning of
Virtual Private Network ( VPNs) When we use the internet or the risks to the security of our data arise. The solve the security problem a virtual private network used for
Different layers of OSI Model ?
What are the types of Transmission media? Signals are usually transmitted over some transmission media that are broadly divided in to two categories:- Guided Media: Th
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