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- Light source is LED (light-emitting diode) or a laser
- LEDs are cheaper however not as precise (unfocused) limited to short-distance use
- Lasers is able to have a narrow range and better control over angle
- Receiving device requires a photosensitive cell (photodiode) capable of receiving the signal
- Utilizes SC- Subscriber channel & ST-straight tip connectors
What is Single-mode fiber Single-mode fiber is competent of higher bandwidth and greater cable run distances than multi-mode fiber. For the reason that of these characterist
Router(config-if)# no cdp enable is the command to disable CDP on an interface
Describe DHCP concept
What are the different kinds of host in multicasting?
different framing methods
Fragmentation - Wireless environment is very noisy - Corrupt frames must be retransmitted - Large frames must be divided into smaller ones to increase efficiency
802.11 CSMA/CA a) Wait a DIFS time to avoid collision b) Send RTS and wait for CTS reply to obtain the use of the Medium (air) c) Use of SIFS time for control informatio
Develop traffic flow mapping and performance requirements for flows. A) Traffic Flow Mapping B) Performance Requirements
Single company or organization owns this. They are usually LAN technologies. There can be multiple LANs in a campus or building linked together. They are sometimes known Intranet.
Q. Describe about Cryptography? - Some media cannot be protected from unauthorized reception (or interception) - Encryption involves transforming the original information in
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