JS NET+ CH4 Flashcards

1
Q

What is a hardware address? pg.94

A

MAC address is burned right into the network card of a PC.

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2
Q

How do you get someone’s MAC address if all you know is there name not the IP address?pg94

A

You use name resolution (hostname-to-IP-address resolution)

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3
Q

If two hosts are on the same LAN they don’t need DNS to broadcast, when asking information. T or F pg.94

A

True.

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4
Q

What does ARP stand for? pg95

A

Address Resolution Protocol.

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5
Q

_____ is a contention media-access method that allows all hosts on a network to share the same bandwidth of a link.pg 95

A

Ethernet. pg.95 It is popular because of its readily scalable–easy to integrate new technologies.

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6
Q

Ethernet uses both __ __ and __ __ specifications.pg95

A

Data Link, Physical layer

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7
Q

What is the Ethernet term for a network scenario where one device sends a packet out and forces every other device on that network to pay attention to it? pg95

A

Collision domain.

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8
Q

___ ___ is a situation where each device’s digital signals interfere with another on the wire and forces the devices to retransmit late.pg96

A

Collision event.

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9
Q

Collision events are typically found in what type of environment.pg96

A

Hub environment. pg96 Where each host segment connects to a hub that represents only one collision domain and one broadcast domain.

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10
Q

What is a broadcast domain? pg96

A

It refers to the set of all devices on a network segment that hear all the broadcasts sent on that segment.

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11
Q

What is a media access control method that helps devices share the bandwidth evenly without having two devices transmit at the same time on the network medium.pg96

A

(CSMA/CD) Carrier Sense Multiple Access with Collision Detection. pg96 It was created to overcome the problem of those collisions that occur when packets are transmitted simultaneously from different hosts.

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