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Pipeline - Mod 4 > 1a - IP Networks > Flashcards

1a - IP Networks Flashcards

1
Q

LAN

A

Covers a small area
(A single building, a group of small buildings, or a small number of computers)

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2
Q

WAN

A

Covers a large area;
A grouping of multiple LANs that are connected together.

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3
Q

MAN
CAN
GAN

A

Metropolitan Area Network: A group of networks with a sociopolitical boundary

Campus Area Network: A group of interconnected LANs within a small geographical area (school campus)

Global Area Network: A single network with connection points spread around the world

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4
Q

Internet

A

A large, public network and the largest WAN

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5
Q

Intranet

A

A TCP/IP network that is scaled down for a very specific group of users.

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6
Q

Extranet

A

A private network accessible to select outside users.

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7
Q

Server

A

A computer that shares and manages network resources.

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8
Q

Client

A

Uses the shared resources that are managed and controlled by servers.

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9
Q

Network Classification

A

Client/Server
Peer-to-peer

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10
Q

Client/Server Network

A

A large network that has one or more computers acting as a server and the rest as clients.

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11
Q

Peer-to-peer Network

A

Contains computers that act as both clients and servers.

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12
Q

NIC

A

Network Interface Card;
A circuit card inside a network-capable device that enables a computer to access a network.
Every NIC has a MAC address.

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13
Q

MAC Address

A

Media Access Control;
A 48-bit unique identifier either on the NIC or the motherboard.

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14
Q

Network Media

A

The actual path over which a signal travels as it moves from one component to another.

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15
Q

Types of Network Media

A

Coaxial cable
Twisted pair cable
Optical-fiber cable
Wireless media

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16
Q

Coaxial cable

A

Original cable used in Ethernet networking

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17
Q

Common coax connectors

A

BNC (Bayonet Neil-Concelman) and F-type

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18
Q

BNC is mainly used in ____

A

RF applications

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19
Q

F-type connectors are typically used on ____

A

Televisions and modems used for broadband Internet access

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20
Q

Twisted-pair cable

A

Most commonly used media in modern IP ethernet networks

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21
Q

Typical colors used for wire insulation

A

Blue, Orange, Green, and Brown

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22
Q

Two types of twisted-pair media

A

STP and UTP

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23
Q

UTP

A

Has no metallic shielding around the pair of wires;
More susceptible to interference and gives off more emanations.

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24
Q

STP

A

Has metal foil surrounding the pairs of wires to prevent interference and “crosstalk”

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25
Q

What is the modern network’s standard connector?

A

RJ45 connector

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26
Q

The two major Ethernet wiring standards for twisted pair cables

A

T568B and T568A

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27
Q

What do T568B and A provide?

A

Guidance on how to build a twisted pair cable using an RJ45 connector.

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28
Q

The preferred guidance of twisted pair wire building in the US

A

T568B

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29
Q

The four main configurations of Twisted-pair

A

Straight through
Crossover
Rollover
Loopback

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30
Q

Straight through cable

A

Uses the T568B standard;
Used to connect dissimilar devices, such as connecting a computer to a network switch.

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31
Q

Crossover cable

A

Uses the T568A standard;
Used to connect similar devices, such as connecting two computers together or two switches together.

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32
Q

Rollover cable

A

Used to connect the administrator’s system to the console port of a Cisco router or switch.

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33
Q

Loopback cable

A

Used for troubleshooting a system.

34
Q

Categories of twisted pair

A

1, 3, 5, 5e, 6/6a

35
Q

CAT1

A

1Mbps;

Used for telephone voice, not for data communications

36
Q

CAT3

A

10Mbps;

Used for phone and data;

Called 10BaseT when data is transmitted using Ethernet.

37
Q

CAT5

A

100Mbps;

Used for phone and data;

Called 100BaseT when data is transmitted using Ethernet.

38
Q

CAT5e

A

1Gbps;

Used for phone and data;

Called 1000BaseT when data is transmitted using Ethernet.

39
Q

CAT6/6a

A

Up to 10Gbps

40
Q

Optical Fiber

A

Used for long distances and high speeds;
Data is transmitted using light instead of using electricity like twisted pair cable.

41
Q

Two types of optic fiber cables

A

Single-mode and Multimode

42
Q

Single-mode optic fiber

A

Uses a single ray of light to carry the transmission over long distances.

43
Q

Multimode optic fiber

A

More commonly used;
Uses multiple rays of light simultaneously, with each ray of light running at a different reflection angle to carry the transmission over short distances.

44
Q

Types of connectors for fiber cables

A

Straight tip and Subscriber connector

45
Q

Straight tip connector

A

Stick-and-twist connector;
Operates like a BNC coax connector.

46
Q

Subscriber connector

A

Stick-and-click connector

47
Q

LEDs are typically used with ______

A

Multimode fiber optic cables.

48
Q

What provides the standard for wireless media?

A

IEEE 802.11

49
Q

Software

A

The language the machines on the network use;
i.e: Linux, Windows, TCP/IP

50
Q

Applications

A

Programs used to accomplish tasks like accessing shared files or web browsing;
i.e: Microsoft word, Google chrome, Calculator

51
Q

Provides a general description of how the devices on the network link to each other physically and logically.

A

Network topology

52
Q

Describes precisely how each devices connect, such as how the wires run from machine to machine.

A

Physical topology

53
Q

Describes how the signals used on the network travel from one computer to another.

A

Logical topology

54
Q

5 principal topologies used in LAN

A

Bus
Ring
Star
Mesh
Hybrid

55
Q

Bus

A

Used coax cable for media;
All devices are connected by one cable.

56
Q

Star

A

All end devices connected to a single infrastructure device, such as a hub or a switch.

57
Q

Ring

A

Every computer system is connected in a complete loop.

58
Q

Mesh

A

Connects each node / device is connected with multiple links to other devices.

59
Q

Hybrid

A

A combination of the topologies.

60
Q

OSI Model

A

Physical, Data Link, Network, Transport, Session, Presentation, Application

61
Q

Includes cabling, connectors, hubs, and NICs.

A

Physical

62
Q

Where bridges and switches operate.

A

Data Link

63
Q

The two sublayers of DLL

A

LLC (Logical Link Control) - error correction and flow control
MAC (Media Access Control) - addresses networking devices by using the MAC address

64
Q

Responsible for routing functions and logical addressing (IP addressing); IPv4 & IPv6

A

Network Layer

65
Q

Breaks data into smaller, manageable chunks for transmission that will fit inside two or more packets; TCP and UDP

A

Transport Layer

66
Q

Responsible for managing and terminating sessions between programs on devices; RPC (remote procedure call) & SMB (remote message block)

A

Session Layer

67
Q

Encryption occurs on this layer; includes TLS (Transport layer security), SSL (secure socket layer), GIF (graphic interchange format), JPEG (joint photographic experts group), MP3, and MP4

A

Presentation Layer

68
Q

Represents network-related program code and the functions computers need to initiate or service requests; SMTP and POP3

A

Application Layer

69
Q

IPv4

A

A 32-bit binary value;
A connectionless protocol used in packet-switched layer networks (such as ethernet).

70
Q

Class A address range

A

1-126

71
Q

Class B address range

A

128-191

72
Q

Class C address range

A

192-223

73
Q

Class D address range

A

224-239

74
Q

Class E address range

A

240-254

75
Q

Subnet mask

A

Used to help devices distinguish the host’s network
Class A - 255.0.0.0
Class B - 255.255.0.0
Class C - 255.255.255.0
Class D and E - 255.255.255.255

76
Q

Network ID

A

First part of the IP address and provided by IANA.

77
Q

Host ID

A

Gets specific host information for that part of the network;
the last octet of the IP address

78
Q

Uses subnets;
Enables the use of IP addresses with different subnet masks in the same network.

A

Classless IP Addresses

79
Q

Subnet ID

A

Used for dividing a network into sub-networks.

80
Q

Broadcast address

A

A special type of networking address that is reserved for sending messages to all nodes on a given network or network segment.

81
Q

IPv6

A

A 128-bit address displayed in hexadecimal format;
Used for carrying data in packets from a source to a destination over various networks.

82
Q

Fragmentation

A

Breaking up data into smaller chunks.

Pipeline - Mod 4 (7 decks)

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