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Andre's A+ > Networking > Flashcards

Networking Flashcards

1
Q

Cable internet connection

A

Modulating analog to digital (from NIC) and vise versa

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2
Q

ADSL

A

Takes signal from NIC and passes to phone line

Download speed faster than upload speed (24 down/3.3 up

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3
Q

Dialup

A

Network with voice telephone lines

56 Kbps connections

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4
Q

Basic-rate ISDN

A

Integrated Services Digital Network

3 channels: two 64 Kbps (B channel) and one 16 Kbps line as controller (D channel)

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5
Q

Primary-rate ISDN

A

Interpreted Services Digital Network

Uses twenty-three 64 Kbps B data channels (1.44 Mbps) and one 64 Kbps D channel for control information

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6
Q

FTP

A

Uses TCP port 21 to transfer files across the Internet

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7
Q

SSH

A

A secure remote management protocol that runs on TCP port 22

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8
Q

Telnet

A

Uses TCP port 23 to perform remote management of a system with the communication unencrypted

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9
Q

SMTP

A

Protocol of the Internet for sending email. Uses TCP port 25

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10
Q

DNS

A

Uses to resolve Fully Qualified Domain Names to IP addresses. Uses UDP port 53

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11
Q

HTTP

A

Uses TCP port 80

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12
Q

POP3

A

Internet protocol uses to read email; TCP port 110

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13
Q

IMAP

A

Newer protocol used for reading email–replacement for POP3. Can get list of messages and download only desired ones (also left on sever); can work OFFLINE; uses TCP port 143

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14
Q

HTTPS

A

TCP port 443

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15
Q

RDP

A

Remote Desktop Protocol: used to carry screen-shot information and keyboard input during remote session. Uses TCP 3389

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16
Q

NetBIOS/NetBT

A

Use of NetBIOS names to connect to resources on TCP/IP network. Uses UDP PORTS 137-139

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17
Q

SLP

A

Service Location Protocol: now known as CIFS; file sharing protocol in Windows.

TCP/UDP port 427

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18
Q

AFP

A

Apple Filing Protocol: file sharing protocol for OS X; TCP port 548

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19
Q

DNS

A

Domain Name System: name resolution protocol that converts Fully Qualified Domain Names (FQDN) to IP addresses

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20
Q

LDAP

A

Lightweight Directory Access Protocol: internet protocol for accessing a directory service

X.500 spec

TCP 389 and UDP 389

21
Q

SNMP

A

Simple Network Management Protocol: allows you to remotely manage and gather statistics from a device

UDP 161

22
Q

SMB/CIFS

A

Server Message Blocks: (Common Internet Filing System) underlying protocol for allowing Microsoft systems to share network resources

Uses TCP 445 (NetBIOS-less)

Uses NetBIOS over TCP/IP for backwards compatibility

23
Q

AFP

A

Apple Filing Protocol: file sharing protocol for OS X

24
Q

NNTP

A

Network News Transfer Protocol: transmits news artichokes between news server and NNTP news client

25
Q

WEP

A

Wired Equivalent Privacy

  • easily breakable
  • 64-bit key: 40-bit encryption key w/ 24-bit Initialization Vector (IV)
                       OR

• 128-bit key: 104-bit encryption key w/ 24-bit IV

26
Q

WPA

A

Wifi Protected Access

  • Uses TKIP (Temporal Key Integrity Protocol): 128-bit encryption key w/ 48-bit IV
  • Every PACKET gets a unique encryption
27
Q

WPA2

A
  • Uses AES (Advanced Encryption Standard) inside CCMP (Counter Mode with Cipher Block Chaining Message Authentication Code Protocol)
  • Password keys act as method of authorizing the client
  • Most secure encryption
28
Q

Which 802 project standard defined Ethernet?

A

802.3

29
Q

Which 802 project standard defined Token Ring?

A

802.5

30
Q

Which 802 project standard defined wireless standards?

A

802.11

31
Q

568A Wiring standard

A 
Wire 1: White/Green Stripe
Wire 2: Green
Wire 3: White/Orange stripe
Wire 4: Blue
Wire 5: White/Blue stripe
Wire 6: Orange 
Wire 7: White/Brown stripe
Wire 8: Brown
32
Q

568B Wiring standard

A 
Wire 1: White/orange stripe
Wire 2: Orange
Wire 3: White/green stripe
Wire 4: Blue
Wire 5: White/blue stripe
Wire 6: Green
Wire 7: White/brown stripe
Wire 8: Brown
33
Q

10 BaseT

A

Typically uses Star topology, can issue hybrid star-bus

Primarily uses CAT3 UTP

34
Q

10Base2

A

Uses Bus, sometime hybrid star bus

Thicknet coaxial cabling

35
Q

10Base5

A

Bus topology

Thicknet

36
Q

10Base FL

A

Used in fiber optic cabling (old)

37
Q

Access method for ALL Ethernet architectures

A

CSMA/CD

38
Q

100BaseT

A

Star topology, found in star-bus

Primarily CAT5 UTP

39
Q

100BaseFX

A

Uses fiber optic instead of UTP

“Fast Ethernet”

40
Q

1000BaseT

A

UTP cabling

41
Q

1000BaseSX

A

Multimode fiber optic cabling

SHORT distances

42
Q

1000BaseLX

A

Single-mode fiber optic cabling

LONG distances

43
Q

802.11a

A

5 GHz

54 Mbps (expect half)

100ft (30 meters) range

44
Q

802.11b

A

Built on DSSS (Direct Sequence spread spectrum)

2.4Ghz

Ushers CSMA/CA: 11 Mbps - expect 6.5

100 ft (30 meter) range

45
Q

802.11g

A

Update of b

2.4 GHz backward compatible with b

54 Mbps (expect half)

100ft (30 meters) range

46
Q

802.11n

A

2.4 and/or GHz

MIMO technology

200 Mbps or 600 Mbps when multiplexed (expect half)

47
Q

802.11ac

A

5 GHz

Faster than 802n

48
Q

PLC

A

Power-line communication (Ethernet over Power)

IEEE 1901

Up to 500 Mbps

Andre's A+ (9 decks)

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