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edX_Intro to open networking systems > Chapter 1_Introduction to Open Source Networking > Flashcards

Chapter 1_Introduction to Open Source Networking Flashcards

1
Q

1-What did networking professionals previously rely on?

A

rigid appliances .. rounting, firewalling, switching, and load balancing.

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2
Q

1-What does JBOD mean?

A

Just a bunch of disks

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3
Q

1-What do server and storage virtualization have in common>?

A

they have deseggregated the hardware and software to provide agile and flexible systems

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4
Q

1-Example of network software modules?

A

Spanning Tree
BGP
OSPF
VRRP
SNMP

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5
Q

1-What does BGP mean?

A

Border Gateway Protocol

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6
Q

1-What does OSPF mean?

A

Open Shortest Path First

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7
Q

1-What does VRRP mean?

A

Virtual Router Redundancy Protocol

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8
Q

1-What does SNMP mean?

A

Simple Network Management Protocol

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9
Q

1-What is Legacy networking based on?

A

Current Networking Technologies and products

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10
Q

2-Who produces current networking technologies?

A

Cisco, HP, juniper

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11
Q

2-What do current networking technologies have in common?

A

Form Factor - rack width box, with multiple interface ports.

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12
Q

2-What are some current networking technology components and architecture?

A

packet processor, CPU, and it’s memory, flash memory, and software firmware.

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13
Q

2-What are the main components that every Networking devise consist of? In other words, what does are he components of a fully integrated networking device?

A

Packet Processor
CPU, along with Ram and flash
Other controllers, such as a fan controller, console port, led controller, interface controllers
software

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14
Q

3-What is a packet processor?

A

refers to the wide variety of algorithms that are applied to a packet of data or information as it moves through the various network elements of a communications network.

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15
Q

3-How are legacy networking devices sold?

A

as bundles and software

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16
Q

3-Where is the software stored in a networking bundle?

A

Flash Memory

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17
Q

3-Can you decouple a Cisco Router from a Juniper JUNOS?

A

No, all legacy systems are proritary and will not work with one another

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18
Q

3-In a Hardware Structure what is connected to the CPU?

A

Ram
Flash
LED controller
Console Controller
Packet Processor

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19
Q

3-In a Hardware Structure what is connected to the Packet Processor?

A

PHY
SFP interface

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20
Q

3-What does PHY mean?

A

Physical Layer, which is an electronic circuit, implemented as an integrated circtui, required to implement physical layer functions.

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21
Q

3-What are some examples of a physical layer function?

A

OSI models in a network interface controller

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22
Q

3-What does OSI mean?

A

Open Systems Interconnection

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23
Q

3-In a Hardware Structure what is connected to the Packet Processor?

A

RJ45’s

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24
Q

3-What are some features of Legacy Networking Systems?

A

closed
layer 2 switching
latyer 3 routing
run rounting protocols

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25
Q

3-What are some examples of routing protocols?

A

RIP
OSPF

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26
Q

3-What does RIP mean?

A

Routing information protocol

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27
Q

3-What is an RJ45?

A

An 8-pin/8-position plug or jack is commonly used to connect computers onto Ethernet-based local area networks (LAN)

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28
Q

3-Whare are routing protocols used for?

A

they are used for communicating with each other to perform functions for the network

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29
Q

3-What kind of routing protocol is use4d the build a topology vew of a network?

A

Link state Routing

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30
Q

3-What is link state rounting?

A

Link state protocols are also called shortest-path-first protocols. Link state routing protocols have a complete picture of the network topology.

31
Q

3-What was the main driver of change for the networking industry?

A

the move to the cloud and building private clouds

32
Q

4-What resources does a cloud enviroment vitualize?

A

compute
storage
network

33
Q

4-How did companies get the network virtualized?

A

the community started building vitrual networking to work atop existing legacy systems

34
Q

4-What are some examples of vitrulization s?

A

OpenStack Neurtron
VMWare NSX

35
Q

4-What does NFV mean?

A

Network Function Vitrulization

36
Q

4-What is the Open Compute Project>?

A

donated hardware and software design donated by Facebook

37
Q

5-How can a single processor run Windows and Linux?

38
Q

5-BIOS is a key piece to allow?

A

basic communication bwtween the OS and underlying hardware.

39
Q

5-What does the BIOSdo?

A

helps the computer run an OS kernel

40
Q

What does SDN stand for?

A

Software Defining Network

41
Q

5-What does ONIE stand for?

A

Open Network Install Environment

42
Q

What does ONIE allow?

A

OS’s to be installed on a switch in the router and take control of packet processing

43
Q

5-What does the ONIE do?

A

Disaggregates the hardware and software

44
Q

5-What does disaggregating the hardware and software allow?

A

For the insallation of any network operating system

45
Q

5-What are some examples of the NOS?

A

Pica8, Cumulus, ONL, OPpen Switch

46
Q

6-What festures do modern networking bring?

A

flexible packet forwarding
vendor-agnostic
analytics
disaggregation
integration with the cloud

47
Q

6- What does SDN mean?

A

Software-Defined Network

48
Q

6- What are the different ways to build and SDN network?

A

Rip and Replace
Overlay
Hybrid

49
Q

6-What is another term for Rip and Replace?

A

Direct Fabric Programming

50
Q

6-What manages the networking devices in a rip and replace?

A

SDN controller cluster

51
Q

6-How are the newtorking devices managed?

A

By a forwarding table such as OpenFlow

52
Q

6-in rip and replace, do the neworking devices run routing protocl?

A

No. Instead they are run by the SDN controller

53
Q

6-What is OVerlay?

A

Method is built on top of another system, however the underlying network is unaware oif the overlay network

54
Q

6-What are some examples of overlay?

A

VMware NSX, openstack Neturon, Tungsten Fabric

55
Q

6-What does VXLAN mean?>

A

Virtual Extensible Local Area Networks

56
Q

7-layer 1 of OSN

A
  1. Disaggregated Hardware
57
Q

7-layer 2 of OSN

A

IO abstraction and datapath

58
Q

7-layer 3 of OSN

A

newtork operating systemsn

59
Q

7-layer 4 of OSN

A

network control

60
Q

7-layer 5 of OSN

A

network viortulization

61
Q

7-layer 6 of OSN

A

cloud and virtual management

62
Q

7-layer 8 of OSN

A

Orchestration, management and policy

63
Q

7-layer 9 of OSN

A

Network Data Analysis

64
Q

7-layer 3 of OSN

A

Application layer

65
Q

8-What is the main requirement for Open Hardware?

A

to have software separated from hardware

66
Q

8-What are the simplest forms of open networking hardware?

A

standard PC
Server with multiple network adapter cards

67
Q

8-Bare Metal?

A

standard hardware that can be purchased from an off the shelf market

68
Q

9-what is another name for a router?

A

48 port switch

69
Q

9-What does IO abstraction hardware do?

A

allows vendors to program the hardware

70
Q

SAI?

A

Switcvh Abstraction Interface

71
Q

SDK?

A

software development kit

72
Q

API

A

application programming interface (API)

73
Q

What is a network operating system?>

A

operating system that runs on the management plane of a network device.

74
Q

Network Control Layer

A

that can manage multiple network operating systems via agents and protocols

edX_Intro to open networking systems (2 decks)

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