S 3413 test 3 review Study guides, Class notes & Summaries
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S 3413 Test 3 Review| Questions with 100% Correct Answers | Verified
- Exam (elaborations) • 17 pages • 2023
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Backbone Network Components - Network Cables, Switches, Routers 
Layer-2 Switches - Forward packets using data link layer (MAC) address 
Physical ports (16-24); logical star topology for point-to-point circuits 
Layer 3 Switches - Combine features of layer-2 switches and routers, primarily for virtual LANs 
Routers - Network layer devices; use IP addresses, strip off data link layer frames 
Provides clear segmentation of connected sub-netted LANs 
Switched BN - Most common BN used in distributio...
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Refrigeration And Air Conditioning Technology 8th Edition Tomczyk - Test Bank
- Exam (elaborations) • 199 pages • 2023
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1. The component used to switch the heat pump unit between the heating and cooling modes of operation is the ____. 
 	a. 	four-way valve	b. 	bi-valve 
 	c. 	two-way valve	d. 	switching valve 
ANSWER: 	a 
POINTS: 	1 
REFERENCES: 	Reverse-Cycle Refrigeration 
QUESTION TYPE: 	Multiple Choice 
HAS VARIABLES: 	False 
DATE CREATED: 	3/12/2015 12:23 PM 
DATE MODIFIED: 	12/19/2015 6:31 PM 
 
 
2. An air-to-air heat pump ____ heat from the outside air and deposits it in the conditioned space. 
 	a...
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