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Network Protocols > Net Fundamentals > Flashcards

Net Fundamentals Flashcards

1
Q

1-3 buildings, mostly wired

A

LAN

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2
Q

Home/Office space, “flexibility”, game console/streaming

A

PAN

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3
Q

Same as LAN, but mostly wireless

A

WLAN

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4
Q

Large geographic area, State/Country/World

A

WAN

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5
Q

Small geographic, multiple LANs, ‘Campus’/’Downtown’

A

MAN

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6
Q

Email/websites-client requests, server provides

A

Client-Server

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7
Q

Battle buddy system- everyone provides for everyone

A

Peer-to-Peer

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8
Q

2 directly connected nodes(fastest, simple, cheap, and great for confidential information)

A

point-to-point

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9
Q

‘Daisy Chain’ & ‘Terminators’(very cheap, old, and bad–not for large networks)

A

Bus

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10
Q

Every device connected to 2 neighboring nodes–‘Unidirectional’(if anything breaks, (cable/device), everything breaks- Data goes through everyone at a time

A

Ring

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11
Q

Everything connected individually to a central(Most common–‘Node redundant’ NOT redundant for central device

A

Star

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12
Q

Very redundant, expensive, and more redundancy-multiple connections for everyone(full mesh(everyone knows everyone else)–Partial Mesh(everyone has more than 1 connection)

A

Mesh

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13
Q

‘Interconnection of multiple topologies’ (based on individual needs)

A

Hybrid

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14
Q

The IT infrastructure for Department of Defense(subsets into NIPR/SIPR/JWICS)

A

DoDIN

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15
Q

Exchange ‘sensitive, but unclassified’ (access to public internet)

A

NIPR

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16
Q

Exchange ‘up to and including SECRET’(Travels through/over NIPR. Does not touch normal internet)

A

SIPR

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17
Q

Exchange ‘up to and including TOP SECRET’(Completely separate from Internet—“Air Gapped network”

A

JWICS

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18
Q

Standards that dictate network communication

A

IEEE Project 802

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19
Q

802.3

A

Ethernet

20
Q

802.11

A

Wireless Technologies

21
Q

old, reliable over short distance

A

Coaxial

22
Q

this type of cabling is used for home/office use

A

UTP (unshielded twisted pair)

23
Q

this type of cabling has a shielded jacket for extra protection (infrasructure use)

A

STP (shielded twisted pair)

24
Q

this type of cabling can send large amounts of data over large distances–connects servers and main infrastructure

A

fiber optic

25
Q

regarding wireless connections, this is point-to-point?

A

mesh topology

26
Q

regarding wireless connections, this is point to multi point and multi point to point

A

Star topology

27
Q

“analog” phone system-converts voice to electronic signals

A

public switched telephone network (PSTN)

28
Q

allowed for voice and data, replacing POTS (old system)

A

public switched telephone network (PTSN)

29
Q

“digital” phone system - converts voice to digital signals

A

VoIP

30
Q

uses RTP and H.323

A

VoIP

31
Q

used with PSTN, determine connection type of individual customers(upload vs download)

A

Digital Subscriber Line (DSL)

32
Q

used with PSTN, backbone of PSTN network-supports voice/video/data- replaced by VoIP

A

Asynchronous Transfer Mode (ATM)

33
Q

permanent and switched circuits are?

A

Aysnchronous Transfer Mode (ATM)

34
Q

List the OSI Model

A

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

35
Q

What are the three types of DSL?

A

ADSL(asymmetric DSL), SDSL(symmetric DSL), VDSL(very high bitrate DSL)

36
Q

Which form of DSL is typically seen in residential environments?

A

ADSL

37
Q

Which form of DSL is typically seen in business oriented?

A

SDSL

38
Q

This is considered the ‘visual layer’. the function is controlling interface method & displaying information to user; Protocols: HTTP/HTTPS, Telnet/SSH, FTP/TFTP, TLS/SSL, DHCP/DNS, POP/IMAP/SMTP, LDAP/SNMP

A

Application Layer (layer 7)

39
Q

This is considered the ‘formatting layer’. The function is data compression, encryption/decryption, and string representation. Protocols are TLS/SSL. Services are JPEG/MPEG/ASCII

A

Presentation layer (layer 6)

40
Q

This is considered the ‘sessions/connections’. This function is providing communication modes, and session management. Services are authentication and authorization

A

Session layer (layer 5)

41
Q

This is considered the ‘reliability’ and ‘quality’ of traffic. This function is segmentation, flow control & congestion avoidance. Provides standard view of layer 1-4 for layers 5-7. Protocols are TCP and UDP.

A

transport layer (layer 4)

42
Q

P.D.N.T.S.P.A

A

Please Do Not Throw Sausage Pizza Away

43
Q

HTTP & HTTPS

A

we

44
Q

cat /etc/services|grep “ “

A

linux

45
Q
A
46
Q
A

Network Protocols (11 decks)

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