Internetworking

What type of RJ45 UTP cable is used between switches?

A:

Straight-through

B:

Crossover cable

C:

Crossover with a CSU/DSU

D:

Crossover with a router in between the two switches

Answer: B

To connect two switches together, you would use a RJ45 UTP crossover cable.

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Which of the following are unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?

Half-duplex Ethernet operates in a shared collision domain.
Half-duplex Ethernet operates in a private collision domain.
Half-duplex Ethernet has higher effective throughput.
Half-duplex Ethernet has lower effective throughput.

A:

2 only

B:

1,2 and 3

C:

1 and 4

D:

4 only

Answer: C

Unlike full duplex, half-duplex Ethernet operates in a shared collision domain, and it has a lower effective throughput than full duplex.

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When data is encapsulated, which is the correct order?

A:

Data, frame, packet, segment, bit

B:

Segment, data, packet, frame, bit

C:

Data, segment, packet, frame, bit

D:

Data, segment, frame, packet, bit

Answer: C

The encapsulation method is data, segment, packet, frame, bit.

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Segmentation of a data stream happens at which layer of the OSI model?

A:

Physical

B:

Data Link

C:

Network

D:

Transport

Answer: D

The Transport layer receives large data streams from the upper layers and breaks these up into smaller pieces called segments.

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How to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?

A:

Thicknet coax

B:

Thinnet coax

C:

Category 5 UTP cable

D:

Fiber-optic cable

Answer: D

Fiber-optic cable provides a more secure, long-distance cable that is not susceptible to EMI interference at high speeds.

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Questions for: Internetworking