INSY 3303 Exam 3 Review Study Guide with Complete Solutions
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Course
INSY
Institution
INSY
INSY 3303 Exam 3 Review Study Guide
with Complete Solutions
Access Point (AP) - Answer-a radio transceiver used on wireless LANs that enables the computers
near it to communicate with each other and it also connects them into wired LANs.
Backbone Designs - Answer-- switched backbones (designed ...
CIR (Committed Information Rate) - Answer✔✔-the data rate the PVC (Permanent Virtual Circuits)
guarantees to transmit.
Core Layer - Answer✔✔-The network layer that the campus backbone (routed backbone) is built on.
CSMA/CD (Carrier Sense Multiple Access with Collision Detection) - Answer✔✔-A contention based
media access control technique where computers wait until the circuit is free before transmitting, that
can also detects collisions by jamming the signals.
CSU/DSU (Channel Service Unit/Data Service Unit) - Answer✔✔-a device that is the WAN equivalent of a
NIC that takes the outgoing packet and translates it to use the data link layer and network protocols used
in the WAN.
Distribution Layer - Answer✔✔-the network layer that building backbones (switched backbones) are
built on.
ESP (Encapsulating Security Payload) - Answer✔✔-an encapsulated packet that is encrypted using IPSec
encryption and contains the IP packet, TCP segment and HTTP packet.
Ethernet - Answer✔✔-a layer 2 protocol that operates at the data link layer developed by DEC, Xerox and
Intel.
Wired Ethernet (IEEE 802.3)
Wireless Ethernet (IEEE 802.11)
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