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Q. What is Bipolar Encoding?
- Uses three voltage levels negative, positive and zero
- Zero level represents binary 0; 1s are represented with alternating positive and negative voltages even when not consecutive
- Alternate mark inversion (AMI)
State the Example of security audit as case study Linda narrates one of her experience about a security audit. She was performing a spot audit where she was checking certain
State about the Bus Topology Comments 1 - Requires less cabling than a star network 2 - If there is a central cable problem entire netwo. rk goes down 3 - Less e
Microcells As cells become smaller, antennas move from the tops of tall buildings or hills, to the tops of small buildings or the sides of large buildings, and finally to lamp
Define Routing? The process of determining systematically hoe to forward messages toward the destination nodes based on its address is known as routing.
What needs should a VPN fulfill?
What is Applets Little programs that can make the Web pages more aesthetically beautiful by means of animations, text, and graphics moving across the screen.
Explain Network Services Network services are the thing that a network can do. The main networking services are File Services: This contains file transfer, storage, data m
Ethernet Frame Fields Preamble - seven bytes of alternating 0s also 1s to notify receiver of incoming frame and to provide synchronization SFD (Start frame delimiter)
By entering a 16 as the hop count, the other routers recognize that the destination is unreachable.
DNS - Protocol Attacks Generally, in the DNS protocol, flaws are based on the implementation issues. The three common issues are generally, associated which can be of one of t
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