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Mark/Scott/Troy-Lanes Study > scott Networking > Flashcards

scott Networking Flashcards

1
Q

NAT

A

Network Address Translation

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2
Q

Translates one private IP to one public IP, also known as one-to-one NAT

A

Static NAT

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3
Q

Randomly routes a private IP address to an available pool of public IP addresses.

A

Dynamic NAT

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4
Q

PAT

A

Port Address Translation

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5
Q

Allows multiple private IP addresses to share a common connection to the internet over a single IP address
(also known as NAT overload)

A

Port Address Translation or PAT

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6
Q

LAN

A

Local Area Network

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7
Q

Geographically close set of computers one a network that uses the same communication device.

A

Local Area Network or LAN

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8
Q

WAN

A

Wide Area Network

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9
Q

A group of connected computers that are geographically apart.

A

Wide Area Network or WAN

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10
Q

Permits or blocks web traffic

A

Firewall

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11
Q

VPN

A

Virtual Private Network

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12
Q

Establishes a secure connection to an organization’s private network using a public network

A

Virtual Private Network or VPN

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13
Q

MAC

A

Media Access Control

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14
Q

Identifies a device globally

A

IP Address

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15
Q

DHCP

A

Dynamic Host Configuration Protocol

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16
Q

Assigns private IP addresses to all devices on the local network.

A

Dynamic Host Configuration Protocol or DHCP

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17
Q

ISP

A

Internet Service Provider

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18
Q

TCP

A

Transmission Control Protocol

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19
Q

UDP

A

User Datagram Protocol

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20
Q

A combination of a IP address and a port number.

A

Socket Address

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21
Q

SMTP

A

Simple Mail Transfer Protocol

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22
Q

HTTP

A

Hypertext Transfer Protocol

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23
Q

HTTPS

A

Hypertext Transfer Protocol Secure

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24
Q

DNS

A

Domain Name Server

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25
Q

SSH

A

Secure Shell

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26
Q

POP3

A

Post Office Protocol Version 3

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27
Q

NTP

A

Network Time Protocol

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28
Q

IMAP

A

Internet Message Access Protocol

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29
Q

SNMP

A

Simple Network management Protocol

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30
Q

TFTP

A

Trivial File Transfer Protocol

31
Q

FTP Data

A

File Transfer Protocol Data

32
Q

FTP

A

File Transfer Protocol Control

33
Q

Expressed as 4 octets.

A

IPv4

34
Q

Expressed as 8 quartets

A

IPv6

35
Q

An IP address that is dedicated and does not change.

A

Static IP

36
Q

CIDR

A

Classless Inter Domain Routing

37
Q

Notation used to identify all IP addresses in a subnet block.

A

Classless Inter Domain Routing or CIDR

38
Q

CIDR notation for 5 usable static IP addresses?

A

/29

39
Q

What is the subnet mask for a 5 static IP block?

A

255.255.255.248

40
Q

/30

A

CIDR notation for 1 subnet block.

41
Q

255.255.255.240

A

Subnet mask for a 13 static IP block.

42
Q

CIDR notation for 13 static IP block?

A

/28

43
Q

Subnet mask for 1 static IP block.

A

255.255.255.252

44
Q

Allows the customer to forward incoming internet traffic arriving on a specific part to an internal IP address.

A

Port Fowarding

45
Q

A way to automate Port Forwarding

A

Port Triggering

46
Q

Means that the download and upload speeds are not the same

A

Asymmetrical

47
Q

Means the download and upload speeds provided are the same

A

Symmetrical

48
Q

What are the two basic types of firewalls?

A

Hardware and software based.

49
Q

A fixed 12 digit hexadecimal number embedded into the manufacturers network controller hardare.

A

a MAC Address

50
Q

IEEE

A

the Institute of Electrical and Electronics Engineers

51
Q

Connection oriented protocol considered reliable for data transfer.

A

Transmission Control Protocol (TCP) Port.

52
Q

Connectionless Protocol that is faster then TCP, however lost packets are not retrasmitted.

A

User Datagram Protocol (UDP) Port.

53
Q

The 3 categories that ports are assigned in.

A

1- Well known (0-1023)
2- Registered (1024-49151)
3-Ephemeral (49151- 65535)

54
Q

Reserved for devices on a local are network

A

Private IP addresses

55
Q

Includes any range beginning with 127.x.x.x

A

Loopback IPv4 Addresses

56
Q

This range of IPv4 addresses allows a computer to loopback to itself for testing purposes.

A

Loopback IPv4 Addresses

57
Q

APIPA

A

Automatic Private IP Addressing

58
Q

Enables a computer to assign an IP address automatically to itself when a DHCP server is unreachable.

A

Automatic Private IP Addressing or APIPA

59
Q

IP range includes and IP that begins with 169.254.x.x

A

Automatic Private IP Addressing or APIPA

60
Q

A subnet block contains these IP addresses

A

1- Network
2- Routable
3- Gateway
4- Broadcast

61
Q

First physical address in the subnet block identified with a CIDR notation

A

Network Address

62
Q

Address used by all devices assigned a routable IP address as an entry and exit point.

A

Gateway Address

63
Q

The Preferred and alternate DNS server IP addresses for all Comcast customers.

A

Preferred is 75.75.75.75
Alternate is 75.75.76.76

64
Q

Last physical address in the subnet block.

A

Broadcast Address

65
Q

10.0.0.32 is an example of this type of IPv4 address.

A

Private

66
Q

How many bits in an IPv4 address?

A

32 bits

67
Q

How many bits in an IPv6 address?

A

128 bits

68
Q

How many IP addresses would a customer require if they have multiple servers of the same type and use the same port?

A

5 or 13

69
Q

How many IP addresses would a customer require if multiple servers using different ports?

A

As long as the services are using different ports only 1 is needed.

70
Q

Allows a selected computer to bypass the firewall features of the gateway and permit unrestricted access from the internet to that computer.

A

Definitized Zone or DMZ

71
Q

Tightens security to restrict access for certain users or applications.

A

Port Blocking

72
Q
A
73
Q

In order to receive a _____ IP address, the customer must use a Comcast-issued IP gateway.

A

Static

Mark/Scott/Troy-Lanes Study (11 decks)

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