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CompTIA Network+ (N10-007) > Ethernet Basics > Flashcards

Ethernet Basics Flashcards

1
Q

What is a network technology standard based on a bud topology?

A

Ethernet

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2
Q

The ____ committee defines wired network standards that share the same basic frame type and network access method.

A

802.3

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3
Q

What 802.3 standard is the following?

10Mbps Ethernet using twisted pair cabling

A

802.3i

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4
Q

What 802.3 standard is the following?

Gigabit Ethernet over twisted pair

A

802.3ab

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5
Q

What 802.3 standard is the following?

25 Gigabit Ethernet over fiber

A

802.3by

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6
Q

All network technologies break data transmitted between computers into smaller pieces called ____.

A

Frames

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7
Q

What is the bus cable to which the computers on an Ethernet network connect?

A

Segment

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8
Q

The MAC address of the frame’s recipient is the ___.

A

Destination

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9
Q

The MAC address of the sending system is the ___.

A

Source

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10
Q

Transmission of a frame starts with a ____.

A

Preamble

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11
Q

What is a 7-byte series of alternating ones and zeros?

A

Preamble

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12
Q

What are special 48-bit(6-byte) binary addresses?

A

MAC addresses

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13
Q

What is the minimum Ethernet frame size?

A

64 bytes

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14
Q

If an Ethernet frame has fewer than 64 bytes of data to haul, the sending NIC will automatically ___ extra data.

A

Add

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15
Q

What enables Ethernet nodes to recognize when bad things happen to good data?

A

Frame check sequence (FCS)

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16
Q

What interprets the ones and zeros coming in from one port and repeats the same signal out to the other connected ports?

A

Repeater

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17
Q

____ means that the cable only carries one type of signal.

A

Baseband

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18
Q

____ means the cable carries multiple signals or channels.

A

Broadband

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19
Q

An Ethernet LAN designed to run on UTP cabling that runs at 10 Mbps and uses baseband signaling is called ___.

A

10BaseT

20
Q

NICs that can communicate in only one direction at a time run in ____ mode.

A

Half-duplex

21
Q

NICs that send and receive at the same time run in ____ mode.

A

Full-duplex

22
Q

The act of installing a crimp o ton one end of a piece of UTP cable is called ___.

A

Crimping

23
Q

The tool used to secure a crimp onto the end of a cable is a ____.

A

Crimper

24
Q

____ means that all machines have equal access to the wire.

A

Multiple access

25
Q

A group of nodes that have the capability of sending frames at the same time as each other, resulting in collisions is called ___.

A

Collision domain

26
Q

What acts like a repeater to connect two networks and filters and forwards traffic between those segments based on the MAC addresses of the computers on those segments?

A

Bridge

27
Q

What is a table of MAC addresses of each connected computer?

A

Source address table (SAT)

28
Q

A Layer 2 multi port device that filters and forwards frames based on MAC addresses is called a ___.

A

Switch

29
Q

What is a port on a switch that enables you to connect two switches together using a straight-through cable?

A

Uplink port

30
Q

What are cables used to connect hosts to switches and are the connective opposite of crossover cables?

A

Straight-through cable

31
Q

What cables reverse the sending and receiving pairs on one end of the cable?

A

Crossover cable

32
Q

Special STP frames where switches communicate with other switches to prevent loops from happening in the first place are ___.

A

Bridge protocol data units (BPDUs)

33
Q

A BPDU that enables switches to rework themselves around the failed interface or device.

A

Topology change notification(TCN)

34
Q

A setting configured to enable the interface to come up right away without the normal latency introduced by STP.

A

PortFast

35
Q

A mechanism that will move a port into a root-inconsistent state if BPDUs coming from a certain direction indicate another switch is trying to become the root bridge.

A

Root guard

36
Q

The two categories of switch problems are:

A
  1. Obvious physical damage

2. Dead ports

37
Q

Ethernet hubs take an incoming packet and ___ it out to the other connected ports.

A

Repeat

38
Q

What is appended to the beginning of the Ethernet frame?

A

Preamble

39
Q

What type of bus does 10BaseT use?

A

Star bus

40
Q

What is the maximum distance that can separate a 10BaseT node from its hub?

A

100 meters

41
Q

When used for Ethernet, unshielded twisted pair uses what type of connector?

A

RJ-45

42
Q

What is the maximum number of nodes that can be connected to a 10BaseT hub?

A

1024

43
Q

Which of the following is not true of crossover cables?

A. They are a type of twisted-pair cabling.
B. They reverse the sending and receiving wire pairs.
C. They are used to connect hubs.
D. Both ends of a crossover cable are wired according to the TIA/EIA 568B standard.

A

D.

44
Q

Which of the following connectors are used by 10BaseFL cable? (Select two.)

A. SC
B. RJ-45
C. RJ-11
D. ST

A

A & D

45
Q

Which networking devices can use the Spanning Tree Protocol(STP)?

A

Switches

46
Q

What device directs packets based on MAC addresses?

A

Switch

CompTIA Network+ (N10-007) (3 decks)

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