IP

Question 1

A network is a single _______ network that connects them to any other user on the internet

Answer 1

virtual

Question 2

TCP/IP provides ______ sets of services

Answer 2

three

Question 3

What are the 3 conceptual service layers from top to bottom?

Answer 3

• Application Services
• Reliable Transport Service
• Connectionless Packet Delivery Service

Question 4

The Reliable Transport Service Layer is where the data and ____ header is created and combined together

Answer 4

TCP

Question 5

The Connectionless Packet Delivery Service Layer is composed of the _______ and _______ layer

Answer 5

network, datalink

Question 6

In the ______ layer, the packet produced from the above TCP layer is given and IP header

Answer 6

network

Question 7

In the Datalink Layer, the packet produced from the above network layer is given an _______ header

Answer 7

Ethernet

Question 8

In connectionless delivery, a _____ _______ delivery system does not guarantee delivery

Answer 8

best effort

Question 9

In connectionless delivery, packets related to the same communication may take _______ routes from source to destination

Answer 9

different

Question 10

In connectionless delivery, what is a result of packets taking different routes from source to destination?

Answer 10

Packets may arrive out of order

Question 11

In connectionless delivery, packets may be lost due to ________ errors or ________

Answer 11

transmission, congestion

Question 12

The protocol that govern many aspects of the connectionless delivery system is the ___ protocol

Answer 12

IP

Question 13

The IP protocol determines the format of the ______

Answer 13

datagram

Question 14

What are the two version of IP currently in use?

Answer 14

IPv4 and IPv6

Question 15

Between IPv4 and IPv6, which one is more common?

Answer 15

IPv4

Question 16

IPv6 was introduced to address the ____________ of IPv4

Answer 16

shortcomings

Question 17

What are 3 reasons for the change from IPv4 to IPv6?

Answer 17

• Address space exhaustion
• Lack of security and authentication
• Requirements for new types of services

Question 18

What are 6 improvements in IPv6?

Answer 18

• Expanded address space
• Improved option mechanism
• Address auto configuration
• Increased addressing flexibility
• Support for resource allocation
• New version of ICMP

Question 19

How many bits are in IPv6 addresses?

Answer 19

128

Question 20

How does IPv6 improve option mechanisms?

Answer 20

The optional headers are now separate from the transport layer header. These additional headers are not examined by intermediate routers, improving processing speed.

Question 21

IPv6 introduces _________, a new type of casting

Answer 21

anycast

Question 22

IPv6 allows special handling of packets by _________ them to a particular flow of traffic

Answer 22

labeling

Question 23

In IPv4, a __ bit global internet address is used to uniquely identify a particular _______ _______ connected to a particular host as a destination for communication

Answer 23

32, network interface

Question 24

In IPv4, each IP address is split into _____ and ______ to identify the host and the network to which the host is connected

Answer 24

netid, hostid

Question 25

In IPv4, the number of bits dedicated to the netid determines the number of possible _______

Answer 25

networks

Question 26

In IPv4, the number of bits dedicated to the hostid determines the possible number of _____ on the _______

Answer 26

hosts, network

Question 27

In IPv4, what address format does the hostid have?

Answer 27

All 0's

Question 28

In IPv4, a network address is assigned to the network itself, not to a ____ or ______

Answer 28

host, router

Question 29

In IPv4, the network address defines the network to the rest of the ______

Answer 29

internet

Question 30

In IPv6, the 128 bit long address is divided into _ __ bit blocks each represented by 4 hexadecimal digits

Answer 30

8, 16

Question 31

In IPv6, what are the 3 parts the IP address is split into?

Answer 31

- Global Routing Prefix - Subnet ID - Interface ID

Question 32

The Global Routing Prefix is __ bits long and identifies the block of addresses

Answer 32

48

Question 33

The ________ ID is 16 bits long and identifies a particular site

Answer 33

subnet

Question 34

The _______ ID is 64 bits long and identifies a particular interface on the subnet

Answer 34

interface

Question 35

What does the "this" address indicates?

Answer 35

Indicates the absence of a valid address