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CompTIA Network+ > Chapter 7 - Supplement - Sheet1 (1) > Flashcards

Chapter 7 - Supplement - Sheet1 (1) Flashcards

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

Boradcast 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. These are sent to all nodes on a LAN. AKA hardware broadcasts. Don’t go beyond the router. All 1s, or in hex, Fs

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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

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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?

A

Layer 3 Broadcast, all networks/all hosts

24
Q

How many addresses will IPv6 provide?

A

3.4 x 10^38

25
Q

How many bits is IPv6?

A

128 bits

26
Q

0:0:0:0:0:0:0:0

A

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
Q

0:0:0:0:0:0:0:1

A

Equals ::1. The equivalent of 127.0.0.1 in IPv4.

28
Q

0:0:0:0:0:0:192.168.100.1

A

This is how an IPv4 address would be written in a mixed IPv6/
IPv4 network environment.

29
Q

The global unicast address range in ipv6

A

2000::/3

30
Q

The unique local unicast range in ipv6

A

FC00::/7

31
Q

The link-local unicast range in ipv6

A

FE80::/10

32
Q

The multicast range in ipv6

A

FF00::/8

33
Q

Reserved for examples and documentation in ipv6

A

3FFF:FFFF::/32 and 2001:0DB8::/32

34
Q

2002::/16

A

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
Q

Class A Network Range

A

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
Q

Class B Network Range

A

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
Q

Class C Network Range

A

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
Q

Class A Private IP Range

A

The Class A private address range is 10.0.0.0 through

10.255.255.255.

39
Q

Class B Private IP Range

A

The Class B private address range is 172.16.0.0 through 172.31.255.255

40
Q

Class C Private IP Range

A

The Class C private address range is 192.168.0.0 through 192.168.255.255.

41
Q

How many bits is ipv4?

A

32 bits

42
Q

ipv6 is represented in ____

A

Hex

43
Q

ipv4 is represented in ____

A

decimal

44
Q

Link-local ipv6 address

A

Link-local is like an IPv4 private IP address, but it can’t be routed
at all, not even in your organization

45
Q

Unique local ipv6 address

A

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
Q

What is the valid range used for a class C private IP address?

A

Class C private range is 192.168.0.0 through 192.168.255.255

47
Q

Name some of the benefits of IPv6 over IPv4.

A

More available addresses, simpler header, options for authentication and other security

48
Q

What is the term for the auto-configuration technology responsible for addresses that
start with 169.254?

A

Automatic Private IP Addressing (APIPA)

49
Q

What defines a unicast address?

A

An IP address assigned to an interface

50
Q

What defines a multicast address?

A

One-to-many address

51
Q

What is the name for a 48-bit (6-byte) numerical address physically assigned to a network
interface, such as a NIC?

A

MAC address

52
Q

What gives IPv6 the ability to reference more addresses than IPv4?

A

IPv6 has a 128 bit address (16 octet), compared to IPv4’s 32-bit address (4-octet)

53
Q

What is the Class C range of values for the first octet in decimal and in binary?

A

192-223, 110xxxxx

54
Q

What is the private address range for class B networks?

A

172.16.0.0 through 172.31.255.255

55
Q

What is the 127.0.0.1 address used for?

A

Loopback or diagnostics

CompTIA Network+ (30 decks)

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