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Networking - Internetworking

Exercise : Internetworking - Internetworking
  • Internetworking - Internetworking
16.
How to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Thicknet coax
Thinnet coax
Category 5 UTP cable
Fiber-optic cable
Answer: Option
Explanation:
Fiber-optic cable provides a more secure, long-distance cable that is not susceptible to EMI interference at high speeds.
17.
Segmentation of a data stream happens at which layer of the OSI model?
Physical
Data Link
Network
Transport
Answer: Option
Explanation:
The Transport layer receives large data streams from the upper layers and breaks these up into smaller pieces called segments.
18.
When data is encapsulated, which is the correct order?
Data, frame, packet, segment, bit
Segment, data, packet, frame, bit
Data, segment, packet, frame, bit
Data, segment, frame, packet, bit
Answer: Option
Explanation:
The encapsulation method is data, segment, packet, frame, bit.
19.
Which of the following are unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
  1. Half-duplex Ethernet operates in a shared collision domain.
  2. Half-duplex Ethernet operates in a private collision domain.
  3. Half-duplex Ethernet has higher effective throughput.
  4. Half-duplex Ethernet has lower effective throughput.
2 only
1,2 and 3
1 and 4
4 only
Answer: Option
Explanation:
Unlike full duplex, half-duplex Ethernet operates in a shared collision domain, and it has a lower effective throughput than full duplex.
20.
What type of RJ45 UTP cable is used between switches?
Straight-through
Crossover cable
Crossover with a CSU/DSU
Crossover with a router in between the two switches
Answer: Option
Explanation:
To connect two switches together, you would use a RJ45 UTP crossover cable.
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