mod 2 ch7

Question 1

Shorthand method of expressing the subnet mask. Mainly the number of bits in the subnet mask.

Answer 1

The Prefix Length

Question 2

identifies the network/host portion of the IPv4 address

Answer 2

Subnet mask -

Question 3

IP address of the local router interface.

Answer 3

Default gateway

Question 4

A __ is one of three basic binary operations used in digital logic.

Answer 4

logical AND

Question 5

host portion is all 0s (.00000000)

Answer 5

Network Address -

Question 6

host portion is all 0s and endswith a 1 (.00000001)

Answer 6

• First Host address -

Question 7

host portion is all 1s and ends with a 0 (.11111110)

Answer 7

• Last Host address -

Question 8

ONE TO ONE COMMUNICATION IS called

Answer 8

unicast

Question 9

one to all communication is

Answer 9

broadcast

Question 10

one to a select group communication is

Answer 10

multicast

Question 11

introduced in mid1990s due to depletion of IPv4 addresses

Answer 11

Private addresses

Question 12

(192.0.0.0 /24 – 223.255.255.0 /24) –Designed to support small networks with a maximum of 254 hosts.

Answer 12

• Class C

Question 13

(128.0.0.0 /16 – 191.255.0.0 /16) –Designed to support the needs of moderate to large-size networks up to approximately 65,000 host addresses.

Answer 13

Class B

Question 14

(0.0.0.0/8 to 127.0.0.0/8) – Designed to support extremely large networks with more than 16 million host addresses.

Answer 14

• Class A

Question 15

Allowed service providers to allocate IPv4 addresses on any address bit boundary (prefix length) instead of only by a class A, B, or C.

Answer 15

Classless Inter-Domain Routing (CIDR, pronounced “cider”)

Question 16

Devices run both IPv4 and IPv6 protocol stacks simultaneously.

Answer 16

Dual stack -

Question 17

The IPv6 packet is encapsulated inside an IPv4 packet

Answer 17

Tunneling

Question 18

Network address translation 64(NAT64) allows IPv6-enabled devices to communicate with IPv4 devices

Answer 18

Translation

Question 19

term of segment of 16 bits or 4 hexadecimal values

Answer 19

Hextet

Question 20

Single source IPv6 address.

Answer 20

Unicast-

Question 21

IPv6 packet to multiple destinations.

Answer 21

multicast

Question 22

An IPv6anycast address is anyIPv6 unicast address that can be assigned to multiple devices

Answer 22

Anycast -

Question 23

These are globally unique, internet routable addresses

Answer 23

global unicast

Question 24

used to communicate with other devices on the same local link. configured to a single link

Answer 24

link-local

Question 25

used for local addressing within a site or between a limited number of sites

Answer 25

unique local

Question 26

can be established dynamically or configured manually.

Answer 26

Link-local address

Question 27

A global unicast address has three parts:
-network, a portion of the address that is assigned by the provider. Typically /48.
-Used to a subnet within an organization.
-equivalent to the host portion of an IPv4

Answer 27

Global routing prefix, Subnet ID, Interface ID

Question 28

used by a host to send a packet to itself and cannot be assigned to a physical interface.
-pings to test configuration of TCP/IP on local host

Answer 28

loopback

Question 29

all-o’s addresses represented as ::/128 or ::
-only use is a source address when device has no IP address

Answer 29

unspecified address

Question 30

similar to private addresses for IPv4, used for local addresses within a site or between a limited number of sites,
EX: FC00::/7

Answer 30

unique local

Question 31

what is the binary table(hint everything is 2 to the nth power.)?

Answer 31

128 64 32 16 8 4 2 1

Question 32

These are examples of____ blocks :
10.0.0.0 /8 or 10.0.0.0 to 10.255.255.255
172.16.0.0 /12 or 172.16.0.0 to 172.31.255.255192.168.0.0 /16
192.168.0.0 to 192.168.255.255

Answer 32

Private address

Question 33

These are examples of____ blocks :
10.0.0.0 /8 or 10.0.0.0 to 10.255.255.255
172.16.0.0 /12 or 172.16.0.0 to 172.31.255.255192.168.0.0 /16
192.168.0.0 to 192.168.255.255

Answer 33

Private address