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Network+ > Section 7: IP Addressing > Flashcards

Section 7: IP Addressing Flashcards

1
Q

What is an Internet Protocol (IP) Address?

A

An assigned numerical label that is used to identify Internet communicating devices on a computer network

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2
Q

What is the Internet Protocol Version 4 (IPv4) Addressing?

A

Written in dotted-decimal notation. (172.21.243.67). Divided into network and host portions. (32 bits in address)

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3
Q

What is the Value in the First Octet of Class A addresses?

A

1 - 126

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4
Q

What is the Value in the First Octet of Class B addresses?

A

128 - 191

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5
Q

What is the Value in the First Octet of Class C addresses?

A

192 - 223

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6
Q

What is the Value in the First Octet of Class D addresses?

A

224 - 239

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7
Q

What is the Subnet Mask of Class A addresses?

A

/8 (255.0.0.0)

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8
Q

What is the Subnet Mask of Class B addresses?

A

/16 (255.255.0.0)

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9
Q

What is the Subnet Mask of Class C addresses?

A

/24 (255.255.255.0)

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10
Q

What is the RFC1918?

A

Used to document how organizations could conduct address allocation for private Internets (Intranets)

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11
Q

What is the Private Address Range of Class A?

A

10.0.0.0 - 10.255.255.255

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12
Q

What is the Private Address Range of Class B?

A

172.16.0.0 - 172.31.255.255

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13
Q

What is the Private Address Range of Class C?

A

192.168.0.0 - 192.168.255.255

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14
Q

What is the Loopback Address?

A

Refers to the device itself and used for testing (127.0.0.0)

Class A. (127.0.0.1)

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15
Q

What is the Automatic Private IP Addresses (APIPA)?

A

Dynamically assigned by OS when DHCP server is unavailable and address is not assigned manually.

Class B. (169.254.x.x)

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16
Q

What is a Virtual IP Address (VIP/VIPA)?

A

An IP address that does not correlate to an actual physical network interface.

17
Q

What are Subinterfaces?

A

A virtual interface that is created by dividing up one physical interface into multiple logical interfaces

18
Q

What is a Unicast?

A

Data travels from a single source device to a single destination device

19
Q

What is a Multicast?

A

Data travels from a single source device to multiple (but specific) destination devices

20
Q

What is a Broadcast?

A

Data travels from a single source device to all devices on a destination network

21
Q

What is a Static Assignment?

A

Manually typing in the IP address for the host, its subnet mask, default gateway, and DNS server.

22
Q

What is a Dynamic Assignment?

A

Dynamic allocation of IP addresses

23
Q

What is the Subnet Mask of Class C addresses?

A

/24 (255.255.255.0)

24
Q

What is Classless Interdomain Routing (CIDR)?

A

Shorthand notation used to summarize continuous networks

Also called Route Aggregation

25
What is the **Internet Protocol Version 6 (IPv6) Addressing**?
Written in hexadecimal notation (2018::4815:54ae). Each hexadecimal digit is 4 bits. (128 bits in address)
26
What are some **benefits** of **IPv6**?
No broadcasts and no fragmentation
27
What is **Dual Stack**?
IPv4 addresses run simultaneously with IPv6 addresses.
28
What is **Tunneling**?
IPv6 traffic can carry over an existing IPv4 router
29
What are the **3 types** of **IPv6 Addresses**?
Unicast, Multicast, Anycast
30
What is a **Unicast Address**?
Used to identify a single interface. Begins with 2000 to 3999
31
What is a **Multicast Address**?
Used to identify a group of interfaces so that a packet can be sent to a multicast address and then be delivered to all of the interfaces in the group. Begins with FF.
32
What is an **Anycast Address**?
Used to identify a set of interfaces so that a packet can be sent to any member of a set.
33
What is a **Link-Local Address**?
Uses a stateless address autoconfiguration, or SLAAC. Begins with FE80.
34
What is the **Stateless Address Autoconfiguration (SLAAC)**?
Discovers the current network that an interface is located on and then select its own host ID based on its MAC address using the EUI64 process.
35
What is the **Extended Unique Identifier (EUI)**?
Allows a host to assign a unique 64-bit IPv6 interface identifier
36
What is a **Router Advertisement**?
A router advertises their presence periodically and in response to solicitation

Network+ (22 decks)

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