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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
PACKET SWITCHES: To span large distances or several computers, networks must removed shared phase with packet switches. Each switch moves whole packet from one connection to
How can the use of NAT and PAT, be considered a security mechanism? Research the acronym(s) if it is not a part of your collection.
Can you define the method of CIDR?
802.11g OFDM a) Uses OFDM with same 2.4 GHz band b) Achieves a 54-Mbps data rate c) Works with same 802.11b equipment
Q. Example on Multiplicative Decrease? w = 1 for (each new ACK received) w = w+1 until (loss detected or w >= ssthresh) Not so slow - Exponential increase
When we specifically block, single router update for other routers
You have been tasked with the job of designing the new network layout for R2I's new location. R2I has a fractional T1 line that enters the premises at Site B. You can use: 1
Q. Advantages of Fiber Optics? - Higher bandwidth in comparison to twisted-pair and coaxial cable is not limited by medium but by equipment used to generate and receive signals
DNS spoofing This process is generally refers to the process of responding a DNS request that was supposed to implement for another server. This can be in the case where the s
Define the term - Hot swapping The reliability of the machine can be dramatically improved by installing the best components. Hot swapping is a concept through which component
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