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CompTIA A+ 1101 > Memorize - Other > Flashcards

Memorize - Other Flashcards

1
Q

TCP Transmission Control Protocol

A

Reliable
CONNECTION oriented
Segment retransmission & flow control (windowing)
With segmentation sequencing

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2
Q

UDP User Datagram Protocol

A

NOT reliable
CONNECTIONLESS
NO transmission and NO windowing
WITHOUT sequencing

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3
Q

Identify the problem

A

1

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4
Q

Establish a theory of probable cause

A

2

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5
Q

Test the theory to determine the cause

A

3

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6
Q

Establish a plan of action to resolve the problems and implement the solution

A

4

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7
Q

Verify full system functionality

A

5

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8
Q

Document findings, actions, and outcome

A

6

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9
Q

802.11a

A

Band: 5GHz
Bandwidth: 54Mbps

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10
Q

802.11b

A

Band: 2.4 GHz
Bandwidth: 11Mbps

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11
Q

802.11g

A

Band: 2.4 GHz
Bandwidth: 54 Mbps

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12
Q

802.11n (Wi-Fi 4)

A

Band: 2.4 GHz AND 5Ghz
Bandwidth: 150 Mbps/600 Mbps MIMO

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13
Q

802.11ac (Wi-Fi 5)

A

Band: 5GHz
Bandwidth: 3 Gbps MU-MIMO

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14
Q

802.11ax (Wi-Fi 6)

A

Band: 2.4GHz, 5GHz, and 6GHz
Bandwidth: 9.6 Gbps MU-MIMO

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15
Q

Public Cloud

A

Systems and users interact with devices on public networks, such as the
Internet and other clouds

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16
Q

Private Cloud

A

Systems and users that only have access with other devices inside the
same private cloud or system

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17
Q

Hybrid Cloud

A

Combination of private and public clouds

18
Q

Community Cloud

A

Collaborative effort where infrastructure is shared between several
organizations from a specific community with common concerns

19
Q

NAT Network Address Translation

A

allows for routing of private IPs through a public IP

20
Q

APIPA Automatic Private IP Address

A

Used when a device does not have a static IP address or cannot reach a DHCP server

21
Q

PoE Power over Ethernet

A

Supplies electrical power from a switch port over an ordinary data cable to a power device

22
Q

Cable Moden

A

Device that translates coaxial cable signals into phone lines

23
Q

ONT Optical Network Terminal

A

Terminates fiber connection

24
Q

SDN Software Defined Netowrking

A

Way of virtualizing network hardware

25
Q

Fiber Optic Cable

A

Uses light from an LED or laser to transmit information through a thin glass fiber

26
Q

Single Mode Fiber

A

used for longer distances and has a smaller core size

27
Q

multimode fiber

A

used for shorter distances and has a larger

28
Q

10 range

A

Class A

29
Q

172.16-172.31

A

Class B

30
Q

192.168

A

Class C

31
Q

DNS Record - A

A

Address, links a hostname to an IPv4 address

32
Q

DNS Record - AAAA

A

Address, Links a hostname to an IPv6 address

33
Q

DNS Record - CNAME

A

Canonical Name, points a domain to another domain or subdomain

34
Q

DNS REcord - MX

A

Mail Exchange, Directs emails to a mail server

35
Q

DNS REcord - TXT

A

Text, adds text into the DNS

36
Q

DNS Record - NS

A

Nameserver, indicates which DNS nameserver has the authority

37
Q

DKIM, DomainKeys Identified Mail

A

provides cryptographic authentication mechanism for mail using a public key published as a DNS record

38
Q

DMARC, Domain-based Message Authentication, Reporting & Conformance

A

Framework that is used for proper application of SPF and DKIM, utilizing a policy that’s published as a DNS record.

39
Q

Cable stripper

A

used to cut a piece of cable off a larger spool or run of cable

40
Q

Cable crimper

A

Used to attach the connector to the end of the cable

41
Q

Wire mapping tool

A

works like a cable tester, but specifically for twisted pair ethernet cables

42
Q

Punchdown block

A

terminates the wires and strips off excess installation of extra wires that are no longer needed

CompTIA A+ 1101 (4 decks)

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