Module 3 Flashcards

1
Q

Over which port does the hyper-text transfer protocol (HTTP) operate?

A

80

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2
Q

Which statements are correct about TCP vs. UDP?

A

TCP is slower, but more reliable
UDP is faster, but less reliable
TCP uses a three-way handshake and acknowledgments

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3
Q

Routers operate at which layer of the OSI model?

A

Routers operate at OSI Level 3, which is the network layer, where you would find IP addresses.

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4
Q

Which type of wireless networking device creates a new SSID in addition to the original?

A

Extender

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5
Q

Which statement best describes the functionality of a patch panel?

A

A device used to terminate network cables in a central location.

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6
Q

Which statement correctly applies to a stateful firewall?

A

A firewall capable of inspecting packets to intelligently determine context.

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7
Q

What is the maximum wattage that can be supplied to a device using Power over Ethernet?

A

100

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8
Q

Which statement correctly identifies what will happen to a packet that enters a hub?

A

It will be forwarded out every other port.

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9
Q

A DSL modem operates over which physical medium?

A

Phone cabling

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10
Q

Which action or operation is not performed by an optical network terminal (ONT)?

A

Modulating or demodulating signals

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11
Q

At which layers of the OSI model do network interface cards operate?

A

Data link - 2
Physical - 1

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12
Q

Software defined networking is conceptually similar to which other type of computing architecture?

A

Virtual machines

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