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CompTIA A+ 220-1101 > Misc. Core 1 > Flashcards

Misc. Core 1 Flashcards

1
Q

802.11a

A

5GHz frequency
54 Mbit/s

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2
Q

802.11b

A

2.4 GHz frequency
11 Mbit/s

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3
Q

802.11g

A

2.4 GHz frequency
54 Mbit/s

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4
Q

802.11n

A

5 GHz & 2.4 GHz
150 Mbit/s per stream
4 x MIMO - 600 Mbit/s total

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5
Q

802.11ac

A

5 GHz
867 Mbit/s per stream
8 x MU-MIMO - 6.9 Gbit/sec total

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6
Q

802.11ax

A

5 GHz & 2.4 GHz
1.2 Gbit/sec per stream
8 x MU-MIMO - 9.6 Gbit/sec total

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7
Q

FTP

A

TCP
20, 21

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8
Q

Telnet

A

TCP
23
Insecure console access

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9
Q

SMTP

A

TCP
25
Simple Mail Transfer Protocol

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10
Q

DNS

A

UDP/TCP
53

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11
Q

DHCP

A

UDP
67, 68

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12
Q

POP3

A

TCP
110
Post Office Protocol
takes mail off the mail server

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13
Q

IMAP4

A

TCP
143
Internet Message Access Protocol
leaves the mail on the server, maintains the read unread status

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14
Q

NetBIOS

A

UDP 137 - name service: register, remove, and find Windows services by name

TCP 139 - session service: Windows connection oriented data transfer

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15
Q

SMB

A

TCP
445
Server Message Block
Windows file transfer and printer sharing

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16
Q

SNMP

A

UDP 161 - Query - gather metrics and manage network devices

UDP 162 - trap - receive alerts from network devices

17
Q

LDAP

A

TCP
389
directory services

18
Q

RDP

A

TCP
3389
remote desktop

19
Q

USB 1.1

A

Low speed: 1.5 Mbit/s, 3 meters

High speed: 12 Mbit/s, 5 meters

20
Q

USB 2.0

A

480 Mbit/s, 5 meters

21
Q

USB 3.0
aka
USB 3.1 Gen 1

A

SuperSpeed
5 Gbit/s, 3 meters (does not specify cable length)

22
Q

USB 3.1
aka
USB 3.1 Gen 2

A

SuperSpeed+
10 Gbit/s

23
Q

USB 3.2 Gen 2x2

A

SuperSpeed++
20 Gbit/s

24
Q

Thunderbolt v1

A

10 Gbit/s per channel, 20 Gbit/s total throughput

Mini-DisplayPort connector

25
Q

Thunderbolt v2

A

20 Gbit/s aggregated channels

Mini-DisplayPort Connector

26
Q

Thunderbolt v3

A

40 Gbit/s aggregated throughput

USB-C

27
Q

SATA Revision 3.2

A

SATA 16 Gbit/s, 1 meter

CompTIA A+ 220-1101 (4 decks)

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