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

Scott Flashcards

1
Q

Tightens security to restrict access for certain users or applications.

A

Port Blocking

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2
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

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3
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.

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4
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

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5
Q

How many bits in an IPv6 address?

A

128 bits

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6
Q

How many bits in an IPv4 address?

A

32 bits

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7
Q

10.0.0.32 is an example of this type of IPv4 address.

A

Private

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8
Q

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

A

Static

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9
Q

Last physical address in the subnet block.

A

Broadcast Address

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10
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

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11
Q

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

A

Gateway Address

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12
Q

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

A

Network Address

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13
Q

A subnet block contains these IP addresses

A

Network, Routable, Gatewat, Broadcast

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14
Q

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

A

Automatic Private IP Addressing or APIPA

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15
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

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16
Q

APIPA

A

Automatic Private IP Addressing

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17
Q

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

A

Loopback IPv4 Addresses

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18
Q

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

A

Loopback IPv4 Addresses

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19
Q

Reserved for devices on a local are network

A

Private IP addresses

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20
Q

The 3 categories that ports are assigned in.

A

Well Known, Registered, Ephemeral

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21
Q

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

A

User Datagram Protocol (UDP) Port.

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22
Q

Connection oriented protocol considered reliable for data transfer.

A

Transmission Control Protocol (TCP) Port.

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23
Q

IEEE

A

the Institute of Electrical and Electronics Engineers

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24
Q

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

A

a MAC Address

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25
Q

What are the two basic types of firewalls?

A

Hardware and software based.

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26
Q

Means the download and upload speeds provided are the same

A

Symmetrical

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27
Q

Means that the download and upload speeds are not the same

A

Asymmetrical

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28
Q

A way to automate Port Forwarding

A

Port Triggering

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29
Q

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

A

Port Fowarding

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30
Q

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

A

Classless Inter Domain Routing or CIDR

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31
Q

CIDR

A

Classless Inter Domain Routing

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32
Q

An IP address that is dedicated and does not change.

A

Static IP

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33
Q

Expressed as 8 quartets

A

IPv6

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34
Q

Expressed as 4 octets.

A

IPv4

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35
Q

FTP

A

File Transfer Protocol Control

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36
Q

File Transfer Protocol Control

A

File Transfer Protocol Data

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37
Q

TFTP

A

Trivial File Transfer Protocol

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38
Q

SNMP

A

Simple Network management Protocol

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39
Q

IMAP

A

Internet Message Access Protocol

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40
Q

NTP

A

Network Time Protocol

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41
Q

POP3

A

Post Office Protocol Version 3

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42
Q

SSH

A

Secure Shell

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43
Q

DNS

A

Domain Name Server

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44
Q

HTTPS

A

Hypertext Transfer Protocol Secure

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45
Q

HTTP

A

Hypertext Transfer Protocol

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46
Q

SMTP

A

Simple Mail Transfer Protocol

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47
Q

A combination of a IP address and a port number.

A

Socket Address

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48
Q

UDP

A

User Datagram Protocol

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49
Q

TCP

A

Transmission Control Protocol

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50
Q

ISP

A

Internet Service Provider

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51
Q

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

A

Dynamic Host Configuration Protocol or DHCP

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52
Q

DHCP

A

Dynamic Host Configuration Protocol

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53
Q

Identifies a device globally

A

IP Address

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54
Q

MAC

A

Media Access Control

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55
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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56
Q

VPN

A

Virtual Private Network

57
Q

Permits or blocks web traffic

A

Firewall

58
Q

A group of connected computers that are geographically apart.

A

Wide Area Network or WAN

59
Q

WAN

A

Wide Area Network

60
Q

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

A

Local Area Network or LAN

61
Q

LAN

A

Local Area Network

62
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

63
Q

PAT

A

Port Address Translation

64
Q

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

A

Dynamic NAT

65
Q

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

A

Static NAT

66
Q

NAT

A

Network Address Translation

67
Q

OSI

A

Open Systems Interconnection

68
Q

What are the OSI 7 layers?

A

Physical, Data Link, Network, Transport, Session, Presentation, Application.

69
Q

Hubs, repeaters, and network interfaces are examples of equipment is what layer?

A

Physical layer or layer #1

70
Q

Responsible for overseeing the movement of data in and out of the communication path.

A

Data Link or Layer # 2

71
Q

Primary responsibility is getting data from one end to another.

A

Network Layer or Layer #3

72
Q

Segments and reassembles data from the upper layers.

A

Transport Layer or #4

73
Q

Ensures that an application’s data is separate from other users data.

A

Session Layer or #5

74
Q

Responsible for encryption, decryption, compression, and decompression.

A

Presentation Layer or #6

75
Q

Examples of this layer are email, HTTP, DNS, Telnet, SNMP.

A

Application Layer or #7

76
Q

Layer #1

A

Physical

77
Q

Layer #2

A

Data Link

78
Q

Layer #3

A

Network

79
Q

Layer #4

A

Transport

80
Q

Layer #5

A

Session

81
Q

Layer #7

A

Application

82
Q

Layer #6

A

Presentation

83
Q

Sends and receives bits on the network.

A

Physical Layer or #1

84
Q

Switches are a part of this layer.

A

Data Link or #2

85
Q

Protocols included with this layer are IP, ICMP, and RIP.

A

Network layer or #3

86
Q

Establishes a logical connection between sending and receiving hosts.

A

Transport Layer or #4

87
Q

Sets up, Manages and tears down sessions between presentation layer.

A

Session Layer or #5

88
Q

Specifications includes MPEG, and SSL.

A

Presentation Layer or #6

89
Q

Ensures that data transferred from one systems application layer can be read by application layer on receiving system.

A

Presentation Layer or #6

90
Q

HTTP, SMTP, DNS, FTP

A

Layer 7, Application Layer

91
Q

UDP/TCP, Flow control

A

Layer 4, Transport layer

92
Q

QoS, Voltages, physical addressing, MAC, LLC

A

Layer 2, Data link Layer

93
Q

Voltages, hubs, repeaters, Cables

A

Layer 1, Physical Layer

94
Q

Routers, IP, ICMP, RIP

A

Layer 3, Network layer

95
Q

MPEG, SSL

A

Layer 6, Presentation layer

96
Q

Net Bios, PPTP

A

Layer 5, Session layer

97
Q

When cellular light displays ORANGE the wireless radio is in this
mode

A

Orange

98
Q

When cellular light displays Green its in this mode

A

Active

99
Q

Which feature is not protected when using Connection Pro

A

Content filtering

100
Q

Designed for the business internet customer who requires continuous internet connectivity

A

Connection Pro

101
Q

ConnectionPro 1.0 wired throughput

A

300 Mbps

102
Q

LTE services provide what speed download and upload

A

10/1 Mbps

103
Q

4 Blue lights indicate this

A

Strong celluar signal

104
Q

Orange light

A

mobile data in standby

105
Q

Connection Pro 2 wired throughput

A

1 Gig

106
Q

Connection Pro UPS provides how many hours of backup

A

Up to 8 hrs

107
Q

Green light indicates

A

mobile data is active “fail over”

108
Q

Connection Pro 2 model

A

CP2(E110-C4d)

109
Q

Connection Pro uses this type of antenna

A

Taoglass

110
Q

What is the maximum number of internal batteries on Connection
Pro 2.0

A

2

111
Q

What are the 4 options customer can receive fail over usage notifications

A

250 MB, 500 MB, 750 MB, 1 GB

112
Q

Connection pro the customer will get a notification on cellular data exceeds this amount

A

1 GB

113
Q

Connectin Pro 1 model

A

AER1650

114
Q

Connection Pro can take up to this long to provision

A

25 - 40 mins

115
Q

Connection Pro doesn’t support these two Comcast services

A

Smart Office and SD-WAN

116
Q

Connection Pro doesn’t support this type of IP address

A

Static

117
Q

Connection Pro only work with this type of IP

A

Dynamic

118
Q

Connection 2 internet status is this color when 4G is active

A

Amber

119
Q

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

A

Dynamic Host Configuration Protocol or DHCP

120
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

121
Q

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

A

Dynamic NAT

122
Q

SMTP

A

Simple Mail Transfer Protocol

123
Q

TFTP

A

Trivial File Transfer Protocol

124
Q

HTTP

A

Hypertext Transfer Protocol

125
Q

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

A

Gateway Address

126
Q

This technology turns a band of radio frequencies into a data pipe

A

DOCSIS

127
Q

DOCSIS

A

Data Over Cable Service Interface Specification

128
Q

Devices communicate with each other unaided

A

P2P

129
Q

SSID

A

Service Set Identifier

130
Q

WEP encryption is used between how many hexadecimals

A

10-26 characters long

131
Q

WPA is required to supply a plain text password between how
many characters long

A

8-63 characters

132
Q

IP address can be assigned these three ways

A

Static, dynamic, Reserved

133
Q

The resistance of a circuit to alternating current

A

Impedance

134
Q

TCP/IP first saw its use by the DoD in what year

A

1983

135
Q

This IEEE standard was created for the use of radio signals over
specified frequencies to transmit data

A

802.11

136
Q

WOH

A

Wifi Optimized Home

137
Q

xFi service platform is built around providing industry leading
customer experiences in these 3 areas

A

Speed, coverage, control

138
Q

RSSI

A

Received Signal Strength Indicator

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

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