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CompTIA Network+ > Address Categories > Flashcards

Address Categories Flashcards

(54 cards)

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1
Q

Bit

A

A bit is one digit, either a 1 or a 0.

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2
Q

Byte

A

A byte is 7 or 8 bits, depending on whether parity is used.

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3
Q

Octet

A

An octet, made up of 8 bits, is just an ordinary 8-bit binary number. A section of an ip address

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4
Q

Network address

A

uniquely identifies each network. This is the designation used in routing to send packets to a remote network—for example, 10.0.0.0, 172.16.0.0, and 192.168.10.0

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5
Q

Broadcast address

A

The broadcast address is used by applications and hosts to send information to all hosts on a network.

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6
Q

Broadcast address which designates

all networks and all hosts

A

255.255.255.255

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7
Q

Broadcast address which specifies all subnets and hosts on network 172.16.0.0

A

172.16.255.255

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8
Q

Broadcast address for all subnets and hosts on network 10.0.0.0

A

10.255.255.255

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9
Q

What is the network address of 172.16.30.56

A

172.16

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10
Q

Host address

A

assigned to, and uniquely identifies, each machine on a network. This part of the address must be unique because it identifies a particular machine—an individual—as opposed to a network, which is a group

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11
Q

What is the host address of 172.16.30.56?

A

30.56

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12
Q

Which octets are set aside for network and host addresses in a class A network?

A

Network.Host.Host.Host

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13
Q

Which octets are set aside for network and host addresses in a class B network?

A

Network.Network.Host.Host

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14
Q

Which octets are set aside for network and host addresses in a class C network?

A

Network.Network.Network.Host

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15
Q

APIPA

A

Automatic Private IP Addressing. With APIPA, clients can automatically self-configure an IP address and subnet mask

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16
Q

IP Range for APIPA

A

169.254.0.1 through 169.254.255.254

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17
Q

Subnet mask for APIPA

A

255.255.0.0

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18
Q

Layer 2 broadcasts

A

Hardware broadcasts are messages sent to all devices within a single Local Area Network (LAN).
How they’re identified: They use a special destination MAC address, which is typically set to FF:FF:FF:FF:FF:FF (all 1s in binary, or all Fs in hex). This address signifies to network devices like switches that the frame should be sent out on all ports (except the one it was received on).
Limited scope: Hardware broadcasts are confined to the LAN and do not go beyond the router. This is because routers operate at Layer 3 (the Network layer) and are designed to separate different networks, not to forward these Layer 2 broadcasts.

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19
Q

Layer 3 broadcasts

A

Network broadcasts. These are sent to all nodes on the network. Example: ARP (Address Resolution Protocol)

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20
Q

Unicast Address

A

A unicast address is assigned to a single interface, and this term is used both in IPv4 and IPv6 to describe your host interface IP address.
In simpler terms, it’s the standard way devices communicate with each other on a network, directly addressing a single recipient. Most internet traffic uses unicast communication.

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22
Q

172.16.255.255 is an example of what type of address

A

Layer 3 Broadcast

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23
Q

255.255.255 is an example of what type of address? What is the target of the address?

Study These Flashcards
A

Layer 3 Broadcast, all networks/all hosts

24
Q

How many addresses will IPv6 provide?

25
Q

How many bits is IPv6?

26
0:0:0:0:0:0:0:0
Equals ::. This is the equivalent of IPv4’s 0.0.0.0 and is typically the source address of a host when you’re using stateful configuration (DHCP).
27
0:0:0:0:0:0:0:1
Equals ::1. The equivalent of 127.0.0.1 in IPv4.
28
0:0:0:0:0:0:192.168.100.1
This is how an IPv4 address would be written in a mixed IPv6/ IPv4 network environment.
29
The global unicast address range in ipv6
2000::/3
30
The unique local unicast range in ipv6
FC00::/7
31
The link-local unicast range in ipv6
FE80::/10
32
The multicast range in ipv6
FF00::/8 Purpose: Reserved for multicast traffic (one-to-many communication)
33
Reserved for examples and documentation in ipv6
3FFF:FFFF::/32 and 2001:0DB8::/32
34
2002::/16
Used with 6to4, which is the transition system—the structure that allows IPv6 packets to be transmitted over an IPv4 network without the need to configure explicit tunnels
35
Class A Network Range
The IP range for a Class A network is 1 through 126. This | provides 8 bits of network addressing and 24 bits of host addressing by default
36
Class B Network Range
The IP range for a Class B network is 128 through 191. Class B addressing provides 16 bits of network addressing and 16 bits of host addressing by default.
37
Class C Network Range
The IP range for a Class C network is 192 through 223. Class | C addressing provides 24 bits of network addressing and 8 bits of host addressing by default
38
Class A Private IP Range
The Class A private address range is 10.0.0.0 through | 10.255.255.255.
39
Class B Private IP Range
The Class B private address range is 172.16.0.0 through 172.31.255.255
40
Class C Private IP Range
The Class C private address range is 192.168.0.0 through 192.168.255.255.
41
How many bits is ipv4?
32 bits
42
ipv6 is represented in ____
Hex
43
ipv4 is represented in ____
decimal
44
Link-local ipv6 address
Link-local is like an IPv4 private IP address, but it can’t be routed at all, not even in your organization
45
Unique local ipv6 address
This, like link-local, is like a private IP address in IPv4 and cannot be routed to the Internet. However, the difference between link-local and unique local is that unique local can be routed within your organization or company
46
What is the valid range used for a class C private IP address?
Class C private range is 192.168.0.0 through 192.168.255.255
47
Name some of the benefits of IPv6 over IPv4.
More available addresses, simpler header, options for authentication and other security
48
What is the term for the auto-configuration technology responsible for addresses that start with 169.254?
Automatic Private IP Addressing (APIPA)
49
What defines a unicast address?
An IP address assigned to an interface
50
What defines a multicast address?
One-to-many address
51
What is the name for a 48-bit (6-byte) numerical address physically assigned to a network interface, such as a NIC?
MAC address
52
What gives IPv6 the ability to reference more addresses than IPv4?
IPv6 has a 128 bit address (16 octet), compared to IPv4's 32-bit address (4-octet)
53
What is the Class C range of values for the first octet in decimal and in binary?
192-223, 110xxxxx
54
What is the private address range for class B networks?
172.16.0.0 through 172.31.255.255
55
What is the 127.0.0.1 address used for?
Loopback or diagnostics

CompTIA Network+ (30 decks)

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