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Radio Waves
- Frequency ranges: 3 KHz to 1 GHz
- Omni directional
- Susceptible to interference by other antennas utilizing same frequency or band
- Ideal for long-distance broadcasting
- May penetrate walls
- Propagate in SKY mode
- Utilized for multicast communication such as radio and TV etc
The LAN switch copies the whole frame into its onboard buffers and then looks up the destination address in its forwarding, or switching, table and verifies the outgoing interface
Process Switching It applies the brute force method to switch packets wih consumption of large amount of CPU time List of items are needed when switching packets Routing
State about the Packet filter firewalls They remain the most common type of firewall in use as of today. They were the earliest firewalls developed and were capable of permitt
Distribution of DNS 1.By centralized data base The information contained in the domain name space must be stored. A simple design or DNS would have one DNS server that co
Q. Explain the Public-Key Cryptography? Public-Key Cryptography - Each user has the same encryption algorithm and key - Decryption algorithm also key are kept secret
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
Describe the static routing process A static routing method does not adapt to changing conditions on the network but uses a fixed method developed ahead of time. With alternat
Default size of frame is 1518 bytes
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
Can you describe the concept of NAT
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