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Comptia A+ Core 1 > Chapter 19 - Local Area Networking > Flashcards

Chapter 19 - Local Area Networking Flashcards

1
Q

Class C IP address

A

First three numbers are locked. 254 hosts

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2
Q

Class B IP address

A

First two number are locked. 65,534 hosts

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3
Q

Class A IP address

A

only the first number is locked. Millions of hosts.

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4
Q

IP address is made of what?

A

four characters/Octets that go from 0 - 255, three dots/periods between those characters. And never end with 0(zero defines a whole LAN) or 255.

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5
Q

IP address ending in 0 are?

A

The IP address for the LAN.

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6
Q

IP address with 255 is what?

A

the subnet mask.

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7
Q

ARPANET

A

Formed the basis for Internet

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8
Q

TCP/IP is what?

A

adopted as protocol for ARPANET/the Internet.

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9
Q

IPv4

A

IP with the four Octets. Built the internet.

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10
Q

Static IP address

A

manually setting in IP address/IPv4, Subnet Mask, and Default Gateway.

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11
Q

Class D

A

All characters are locked. And is called multicast

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12
Q

Class E

A

Is Reserved no one uses.

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13
Q

Private IP address

A

Are only for private networks.

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14
Q

Loopback IP address

A

refers to your own system.

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15
Q

Ipconfig

A

Is a command used in command prompt to find/figure out what your systems IP address is.

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16
Q

ping

A

a command used in the command prompt to ping your router.

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17
Q

NAT stands for what?

A

Network Address Translation saves IP addresses. Internal networks use private IP addresses and share a public address.

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18
Q

All routers come with what?

A

NAT-enabled by default.

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19
Q

DHCP stands for what?

A

Dynamic Host Configuration Protocol(DHCP)

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20
Q

What does DHCP do?

A

Automatically provides any computer on a network all the IP address that it needs. DHCP servers usually double as Routers for their internal LAN.

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21
Q

APIPA stands for what?

A

Automatic Private IP Addressing. Is the fall back if system can’t find a DHCP server.

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22
Q

APIPA always gives a what?

A

a 169.254.X.X IP address. Or a class B IP address.

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23
Q

IPv6

A

Uses a 128-bit addressing scheme, that uses hexadecimal notation. Eight groups of character divided between seven colons. (2001:0db8:85a3:0000:0000:8a2e:0370:7334)

24
Q

Link-Local Address

A

Is the section of the IPv6 address that always start with fe80 and followed by 0’s.

25
Q

Internet address

A

Internet Address or Global Unicast Address. If from the router

26
Q

IPv4 vs. IPv6

A

192.168.86.114(IPv4), fe80::3c57:4581:2bae:a145%9(IPv6).

27
Q

DNS stands for what?

A

Domain Name System. Speed dialer. Replaced host files. Resolves fully-qualified domain names(FQDN) to IP addresses.

28
Q

Port Number

A

Port numbers go from 0-65535, and like IP address your always gonna have a source and destination port number. Helps get to the right application.

29
Q

Three types of Port numbers

A

0-1023 are well known ports, 1024-49151 are registered ports, 49152-65535 are Dynamic/Ephemeral.

30
Q

TCP/IP stands for what?

A

Transmission Control Protocol/Internet Protocol. A connection oriented protocol.

31
Q

UDP is what kind of protocol?

A

User Datagram Protocol. Is a connectionless protocol.

32
Q

ICMP is what kind of protocol?

A

Internet Control Message Protocol. Is a single-packet only protocol.

33
Q

PDU stands for what?

A

Protocol Data Unit(PDU).

34
Q

What does FQDN stand for?

A

Fully Qualified Domain Name(FQDN). Has a 256-character limit.

35
Q

nslookup

A

a command prompt command used to verify a DNS server is running.

36
Q

Netbios/netbt

A

window’s naming convention for computers. And is designed for LANs.

37
Q

windows systems get placed in either what two groups?

A

workgroup or Active Directory.

38
Q

workgroup

A

workgroup is the oldest and basic network organization that there is. Just an organization tool with no security. Can be used from small networks.

39
Q

Domain

A

Domains require a windows server system.

40
Q

Active Directory Domain

A

The type of domain used today. Has great security, good for large networks.

41
Q

Homegroup

A

The in between for Workgroup and Domain. Not really seen anymore.

42
Q

Routers

A

Read IP packets and send them out. Routers make the internet work. Some routers are a router and a switch with a WAP(Wireless Access Point).

43
Q

DB-9 connector

A

a display connector with the other end being a RJ-45.

44
Q

SOHO stands for what?

A

Small Office/Home Office.

45
Q

DHCP Reservation

A

Allow you to set aside IP addresses in the DHCP pool.

46
Q

QoS stands for what?

A

Quality of Service a tool set that gives control on network bandwidth by many different criteria.

47
Q

UPnP stands for what?

A

Universal Plug and Play. Helps with network device identification

48
Q

SNMP stands for what?

A

Simple Network Management Protocol. Enables querying of network devices. A much more powerful descriptive version of UPnP, used by Network admins.

49
Q

LLDP stands for what?

A

Link Layer Discovery Protocol. Helps with network device identification.

50
Q

VLAN stands for what?

A

Virtual Local Area Network. takes a single switch and electronically turns it into multiply switches. Very popular.

51
Q

Managed Switch

A

is a switch with an IP address.

52
Q

No connectivity

A

Are you physically connected. IP address issues.

53
Q

IP conflict

A

identifying IP address issues.

54
Q

Limited Connectivity

A

DHCP issues. APIPA addresses. DHCP server issues.

55
Q

Intermittent Connectivity

A

Problem with the actually cabling. Move the cable

56
Q

Unavailable Resources.

A

unplugged from a share resource

57
Q

Slow Transfer speeds.

A

more of a wireless issues but can be a wired issues. have to start task manager, how hard is your network card is working, and remove processes that are using a lot of bandwidth.

Comptia A+ Core 1 (26 decks)

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