Networking 3

Question 1

• delivers the packets
• allows the devices to really see their place

Answer 1

IP

Question 2

Message sources are people, or electronic devices, that need to send a message to other individuals or devices.

Answer 2

Message source (sender)

Question 3

The destination receives the message and interprets it.

Answer 3

Message Destination (receiver)

Question 4

This consists of the media that provides the pathway over which the message travels from source to destination.

Answer 4

Channel

Question 5

Common computer protocols include the following requirements

Answer 5

• message encoding
• message formatting and encapsulation
• message size
• message timing
• message delivery option

Question 6

is the process of converting information into another acceptable form, for transmission

Answer 6

encoding

Question 7

reverses this process to interpret the information.

Answer 7

decoding

Question 8

When a message is sent from source to destination, it must use a specific format or structure. Message formats depend on the type of message and the channel that is used to deliver the message.

Answer 8

Message Formatting and Encapsulation

Question 9

The size restrictions of frames require the source host to break a long message into individual pieces that meet both the minimum and maximum size requirements. The long message will be sent in separate frames, with each frame containing a piece of the original message.

Answer 9

Message Size

Question 10

The size restrictions of frames require the source host to break a long message into individual pieces that meet both the minimum and maximum size requirements. The long message will be sent in separate frames, with each frame containing a piece of the original message.

Answer 10

Message Size

Question 11

This is the process of managing the rate of data transmission. Flow control defines how much information can be sent and the speed at which it can be delivered.

Answer 11

Flow Control

Question 12

If a person asks a question and does not hear a response within an acceptable amount of time, the person assumes that no answer is coming and reacts accordingly.

Answer 12

Response Timeout

Question 13

This determines when someone can send a message

Answer 13

Access method

Question 14

Information is being transmitted to a single end device.

Answer 14

Uncast

Question 15

Information is being transmitted to a multiple end device.

Answer 15

Multicast

Question 16

Information is being transmitted to all end device.

Answer 16

Broadcast

Question 17

This identifies the sender and the intended receiver of the message using a defined addressing scheme

Answer 17

Addressing

Question 18

This function ensures that data flows at an efficient rate between two communicating devices. TCP provides flow control services.

Answer 18

Flow control

Question 19

This function uniquely labels each transmitted segment of data. The receiving device uses the sequencing information to reassemble the information correctly. This is useful if the data segments are lost, delayed or received out-of-order.

Answer 19

Sequencing

Question 20

This function is used to determine if data became corrupted during transmission

Answer 20

Error Detection

Question 21

This function contains information used for process-to-process communications between network applications.

Answer 21

Application Interface

Question 22

device sends a request to a web server for its web page.

Answer 22

HTTP
TCP
IP
ETHERNET

Question 23

governs the way a web server and a web client interact. HTTP defines the content and formatting of the requests and responses that are exchanged between the client and server. Both the client and the web server software implement HTTP as part of the application. HTTP relies on other protocols to govern how the messages are transported between the client and server.

Answer 23

Hypertext Transfer Protocol (HTTP)

Question 24

This protocol manages the individual conversations. TCP Is responsible for guaranteeing the reliable delivery of the information and managing flow control between the end devices.

Answer 24

Transmission Control Protocol (TCP)

Question 25

protocol Is **responsible for delivering messages from the sender to the receiver**. IP is used by routers to forward the messages across muitiple networks.

Answer 25

Internet Protocol (IP)

Question 26

protocol is responsible for the delivery of messages from one NIC to another NIC on the same Ethernet local area network (LAN).

Answer 26

Ethernet

Question 27

Protocols **enable two or more devices to communicate over one or more networks.** The Ethernet family of technologies involves a variety of protocols such as IP, Transmission Control Protocol (TCP), HyperText Transfer Protocol (HTTP), and many more.

Answer 27

Network Communications Protocol

Question 28

Protocols **secure data to provide authentication**, data integrity, and data encryption. Examples of secure protocols include Secure Shell (SSH), Secure Sockets Layer (SSL), and Transport Layer Security (TLS).

Answer 28

Network Security Protocol

Question 29

Protocols enable **routers to exchange route information**, compare path information, and then to select the best path to the destination network. Examples of routing protocols include Open Shortest Path First (OSPF) and Border Gateway Protocol (BGP).

Answer 29

Routing Protocols

Question 30

Protocols are used for the **automatic detection of devices or services**. Examples of service discovery protocols include Dynamic Host Configuration Protocol (DHCP) which discovers services for IP address allocation, and Domain Name System (DNS) which is used to perform name-to-IP address translation.

Answer 30

Service Discovery Protocols

Question 31

a group of inter-related protocols necessary to perform a communication function

Answer 31

protocol suite

Question 32

is Is the **most common and relevant protocol suite used today**. The TCP/IP protocol suite is an open standard protocol suite maintained by the Internet Engineering Tsk Force (IET).

Answer 32

TCP/IP

Question 33

Today OSI is mainly known for its layered model. The OSI protocols have largely been replaced by TCP/IP

Answer 33

Open Systems Interconnection (OSI)

Question 34

means it is freely avallable to the public and can be used by any vendor on their hardware or in their software.

Answer 34

Open standard protocol suite

Question 35

This means it has been **endorsed by the networking industry and approved by a standards organization**. Ihis ensures that products from different manufacturers can interoperate successfully.

Answer 35

standard-based protocol suite

Question 36

Translates domain names such as cisco.com, into IP addresses.

Answer 36

DNS - Domain Name System

Question 37

Enables reliable communication between processes running on separate hosts and provides reliable, acknowledged transmissions that confirm successful deliver

Answer 37

TCP - Transmission Control Protocol

Question 38

User Datagram Protocol

Answer 38

Enables a process running on one host to send packets to a process running on another host. However, UDP does not confirm successful datagram transmission.

Question 39

Provides dynamic address mapping between an IPv4 address and a hardware address.

Answer 39

ARP - Address Resolution Protocol.

Question 40

Defines the rules for wiring and signaling standards of the network access layer.

Answer 40

Ethernet

Question 41

Defines the rules for wireless signaling across the 2.4 GHz and 5 GHz radio frequencies.

Answer 41

WLAN - Wireless Local Area Network

Question 42

When messages are being sent on a network

Answer 42

encapsulation process works from top to bottom

Question 43

process of dividing a large data stream into smaller pieces prior to transmission

Answer 43

segmentation

Question 44

Responsible for delivering the IP packet from the original source to the final destination, which may be on the same network or a remote network.

Answer 44

Network layer source and destination addresses