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CompTia Network+ N10-007 > Lesson 2 Properties of Network Traffic > Flashcards

Lesson 2 Properties of Network Traffic Flashcards

In this lesson, you will: • Explain media types and access methods. • Deploy Ethernet standards. • Describe the properties of MAC addressing and ARP and configure packet sniffers/protocol analyzers to capture and examine network traffic.

1
Q

The physical channel through which signals travel to allow nodes to communicate with one another.

A

Transmission Medium

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2
Q

A physical signal conductor is provided between two nodes. Examples include cable types such as copper or fiber optic cable. Cabled media can also be described as bounded media.

A

Cabled

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3
Q

Uses free space between nodes (no signal conductor), such as microwave radio. Wireless media can also be described as unbounded media.

A

Wireless

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4
Q

Digital signaling is a transmission technique which are essentially a series of discrete pulses that is called?

A

Line Coding

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5
Q

The range of frequencies available to the communications channel are called?

A

Bandwidth

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6
Q

What is a Symbol?

A

A signal transmitted over a communications channel consisting of a series of events

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7
Q

The loss of signal strength, expressed in decibels (dB) over a distance would be named what?

A

Attenuation

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8
Q

A network segment connected by a shared medium or through repeaters where simultaneous data transmissions collide with one another is known as an what?

A

A collision domain

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9
Q

What are the two types of CSMA protocols?

A

CSMA/CDwithCollision Detection.

CSMA/CAwithCollision Avoidance.

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10
Q

When a request is being sent to gain access to the media network listens to the media before transmitting and transmit only if the media is clear defines the actions of which protocol?

A

CSMA/Collision Avoidance (wireless)

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11
Q

Copper (electrical) & Fiber Optic (Light Waves) are known as what?

A

Bounded Media which are things that you can touch.

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12
Q

Radio Waves or Wireless Media are Consider what?

A

Unbounded. items or things that you unable to touch or see.

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13
Q

What is measured by bits per second(bps)?

A

Bandwidth

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14
Q

The difference between Bps and bps is what?

A

Bps is Bites Per Second which is equal to 8 bps.

bps is Bits Per Second.

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15
Q

SNR is short for?

A

Signal to noise ratio which is the measurement of the desired signal sound compared to that of background sound or noise levels.

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16
Q

Broadcast domains are created by what device?

A

Routers

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17
Q

A simplex is what?

A

Simplex is when transmission of telecommunication is only allowed or able to travel in one direction (one device is always sending information to another device while the other one never sends anything back).

18
Q

A walkie talkie would be an example of what type of duplex?

A

Thats would be an example of Half-duplex due to communication being able transmitted from both directions but not at the same time.

19
Q

When you are able of receiving information from both sides of a signal or connection at the same time would consider what?

A

Full-Duplex is when communication is capable of happening from both end all at the same time example being a phone call.

20
Q

A wired network uses what type kind of detection?

A

All wired network use CSMA/CD which is Collision detection

21
Q

Every port on a switch that has a device plugged into it is consider what?

A

Collison Domain

22
Q

With CSMA/CD (wired) what will happen if a host has data to transmit and there is already data on the cable?

A

The host will wait until the cable is clear to transmit data

23
Q

The transmission of data to a single recipient goes by what name?

A

Unicast

24
Q

A mac address will be shown as all F’s when it is

A

MAC address is display as all F’s when it is broadcast

25
Q

MTU (Maximum Transmission Unit) has minimum frame length of?

A

MTU (Maximum Transmission Unit) Minimum is a standard Frame size of 1500 bytes
and the max would be the jumbo Fames that are 9000 bytes.

26
Q

Cyclic Redundancy Check (CRC)/ Frame Check Sequence (FCS) will inform you of what ?

A

You will be informed of any corruption to the frame or if anything was lost. There also no retransmission or error correction for frames just has to be resent.

27
Q

How would you define the breakdown of the xBase-y convention?

A

The X tells me what the data rate of the cable will be
The Base is just mean baseband
The informs me of what the wire type is
Example: 10BASE-T
Denotes a 10Mbps(X) baseband signal (Base) twisted pair network (-T)

28
Q

When would you use crossover cables?

A

Cross-Over cables would be used when connecting two like devices

29
Q

The maximum distance that is defined in documentation for all cables except the Cat6 10GBase-T Is what?

A

The maximum distance is 550m

30
Q

The first six digits of an MAC Address are what?

A

The first six digits of an MAC Address are OUI (Organizationally Unique Identifier) also known as the burned-in address.

31
Q

The last six digits of a MAC address is ?

A

The last six are unique identifier or locally administered address.

32
Q

Every frame will be sent to every interface that is on the same broadcast domain what is this called

A

This Broadcast traffic which when this happens hubs and switches are flooding to every port.

33
Q

ARP (Address Resolution Protocol) are designed to for what purpose?

A

ARP (Address Resolution Protocol) are designed to discover MAC addresses and map them to IP addresses. This task is achieved by a host sending a message out asking for certain MAC address and once the request target host see the message and send back its MAC address.

34
Q

When hardware addresses (MAC Address) are cached to reduced broadcast this called what?

A

ARP (Address Resolution Protocol) Cache Utility

35
Q

This is the tool that allows inspection of traffic received by a host or passing over a network link

A

Protocol Analyzer

36
Q

Captures frames moving over the network medium

A

Packet Sniffer

37
Q

A data network packet analyzer program that is run under a commend line interface allowing the user to display TCP/IP and packets that are being transmitted or received over a network

A

Tcpdump

38
Q

If a mapping for a local destination host is not found in a source host ARP cache, how does the source send an ARP request?

A

It will broadcast to all local host

39
Q

If a packet is address to a remote network, what destination MAC address will the sending node use?

A

The MAC address or the default gateway/router

40
Q

On a switched network what configuration changes must be made to allow a host to sniff unicast traffic from all host connected to a switch?

A

Port Mirroring or Port Spanning

CompTia Network+ N10-007 (16 decks)

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