Module 3: Internetworks: Principles of Internetworking, Architectures, IP Addressing

Question 1

What are the criterias for dividing the local network?

Answer 1

broadcast containment
security
locations
logical grouping

Question 2

Criteria for dividing the local network where routers in the distribution layer can limit broadcasts to the local network where they need to be heard.

Answer 2

broadcast containment

Question 3

Criteria for dividing the local network where routers in the distribution layer can separate and protect certain groups of computers where confidential information resides.

Answer 3

security

Question 4

Criteria for dividing the local network where routers in the distribution layer can be used to interconnect local networks at various locations of an organization that are geographically separated.

Answer 4

locations

Question 5

Criteria for dividing the local network where routers in the distribution layer can be used to logically group users, such as departments within a company, who have common needs or for access to resources.

Answer 5

logical grouping

Question 6

A table that contains information for how to reach local and remote networks.

Answer 6

routing table

Question 7

It is the router interface used when forwarding packets to a destination that is not in the routing table.

Answer 7

default route

Question 8

A table that shows a mapping of IP address to MAC address.

Answer 8

arp (Address Resolution Protocol) table

Question 9

A logical network address that identifies a particular host.

Answer 9

ipv4 (internet protocol version 4) address

Question 10

It is a series of 32 binary bits (ones and zeros).

Answer 10

ipv4 (internet protocol version 4) address

Question 11

what do you call the 8-bit bytes

Answer 11

octet

Question 12

IPv4 address is represented as decimal value separated by a period which is called _____________.

Answer 12

dotted-decimal notation

Question 13

What are the 2 parts of an IPv4 address?

Answer 13

network
host

Question 14

Designed to support extremely large networks with more than 16 million host addresses. It used a fixed /8 prefix (255.0.0.0).

Answer 14

Class A

Question 15

Designed to support the needs of moderate to large size networks with up to approximately 65,000 host addresses. It used a fixed /16 prefix (255.255.0.0).

Answer 15

Class B

Question 16

Designed to support small networks with a maximum of 254 hosts. It used a fixed /24 prefix (255.255.255.0).

Answer 16

Class C

Question 17

Private IPv4 address blocks

Answer 17

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 172.31.255.255
192.168.0.0 /16 or 192.168.0.0 to 192.168.255.255

Question 18

It is used to translate between private IPv4 and public IPv4 addresses.

Answer 18

Network Address Translation (NAT)

Question 19

Organization that manages both IPv4 and IPv6 addresses.

Answer 19

Internet Assigned Numbers Authority (IANA)

Question 20

Responsible for allocating IP addresses to ISPs, who in turn provide IPv4 address blocks to organizations and smaller ISPs

Answer 20

Regional Internet Registries (RIRs)

Question 21

Used for normal host-to-host communication in both a client/server and a peer-to-peer network.

Answer 21

Unicast communication

Question 22

Type of transmission where packets use the address of the destination device as the destination address and can be routed through an internetwork.

Answer 22

Unicast Transmission

Question 23

Type of transmission where a host is allowed to send a single packet to a selected set of hosts that subscribe to a multicast group.

Answer 23

Multicast Transmission

Question 24

Type of transmission where packets are sent to all hosts in the network using a broadcast address.

Answer 24

Broadcast Transmission

Question 25

Hosts that receive multicast data are called ______.

Answer 25

multicast clients

Question 26

It allows IPv4 and IPv6 to coexist on the same network segment.

Answer 26

Dual stack

Question 27

A method of transporting an IPv6 packet over an IPv4 network.

Answer 27

Tunneling

Question 28

It allows a host to create its own internet-routable IPv6 address without the need for a DHCP server.

Answer 28

Stateless Address Autoconfiguration (SLAAC)

Question 29

It is used to communicate with devices on the same IPv6 local network.

Answer 29

Link-local address

Question 30

identifies only the namespace of the resource without reference to the protocol

Answer 30

Uniform Resource Name (URN)

Question 31

defines the network location of a specific resource on the network

Answer 31

Uniform Resource Locator (URL)

Question 32

Component of a URL

Answer 32

Protocol/scheme Hostname Path and file name Fragment

Question 33

A 'best effort' delivery system that does not require acknowledgment of receipt.

Answer 33

User Datagram Protocol (UDP)

Question 34

A numeric identifier within each segment that is used to keep track of specific conversations between a client and server.

Answer 34

port

Question 35

Ports are assigned and managed by an organization known as _______

Answer 35

Internet Corporation for Assigned Names and Numbers (ICANN)

Question 36

three categories of ports

Answer 36

Well-Known Ports Registered Ports Private Ports

Question 37

A port number associated with the originating application on the local sending host.

Answer 37

source port number

Question 38

a port number associated with the destination application on the remote host.

Answer 38

destination port number

Question 39

The combination of the source IP address and source port number, or the destination IP address and destination port number is known as ________

Answer 39

socket

Question 40

A command that lists the protocols in use, the local address and port numbers, the foreign address and port numbers, and the connection state

Answer 40

netstat

Question 41

A protocol that resolves internet names to IP addresses.

Answer 41

Domain Name System (DNS)

Question 42

A protocol that is used to provide remote access to servers and networking devices

Answer 42

Secure Shell (SSH) or Secure Socket Shell

Question 43

A protocol that sends email messages and attachments from clients to servers and from servers to other email servers.

Answer 43

Simple Mail Transfer Protocol (SMTP)

Question 44

Two protocols that are used by email clients to retrieve email and attachments from a remote server

Answer 44

Post Office Protocol (POP) Internet Message Access Protocol (IMAP)

Question 45

A protocol that is used by web browsers to request web pages and web servers to transfers the files that make up web pages of the World Wide Web.

Answer 45

Hypertext Transfer Protocol (HTTP)

Question 46

A protocol that defines the content and formatting of the requests and responses that are exchanged between the client and server.

Answer 46

Hypertext Transfer Protocol (HTTP)

Question 47

A protocol that is used for interactive file transfer between systems

Answer 47

File Transfer Protocol (FTP)

Question 48

A protocol that is used to automatically configure devices with IP addressing and other necessary information to enable them to communicate over the internet.

Answer 48

Dynamic Host Configuration Protocol (DHCP)

Question 49

It provides a standard method of emulating text-based terminal devices over the data network.

Answer 49

Telnet

Question 50

A connection using Telnet is called a _________

Answer 50

virtual terminal (vty) session

Question 51

Enables users to communicate or chat over the internet in real-time

Answer 51

Text Messaging

Question 52

What suite of protocols does common internet services rely on to communicate information reliably?

Answer 52

transmission control protocol/internet protocol (TCP/IP)