Windows 7 Configuration 70-680 CH5

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Firewall

A software routine, which also acts as a filter that blocks certain type of incoming and outgoing traffic, while enabling other types is called

Network and Sharing Center

The tool provides a central access point for all of the network controls and connections on a computer running Windows 7

Router

A device that connects one network to another is called

Open Systems interconnection (OSI), Reference Model, Seven

The most common method for illustrating the operations of a networking stack is the _____, which consists of _____ layers

Connectionless Protocol

Protocols that do not guarantee delivery of their data, but do operate with a very low overhead that conserve network bandwidth are called.

Ping.exe

The Windows 7 command-line utility that can tell you if the TCP/IP stack of another system on the network is functioning normally is called.

Nslookup.exe

The Windows 7 command-line utility that enables you to generate DNS request messages and then transmit them to specific DNS servers on the network is called.

Dynamic Host Configuration Protocol (DHCP)

Most networks use ___ to dynamically assign addresses and configure computers to use them.

Tracert.exe

The Windows 7 utility that displays a list of routers currently forwarding packets to a particular destination is called.

Application and Physical

The top and bottom layers of the OSI model are called the _____ and _____ layers.

Protocols

Languages that all of the computers understand

Open Systems Interconnection (OSI) reference model

Physical, Data-link, Network, Transport, Session, Presentation, Application

internet

network of networks

Internet

Huge conglomeration of networks, all connected together by devices called routers.

Router

Device that connects one network to another.

255.0.0.0

Class A Subnet Mask

255.255.0.0

Class B Subnet Mask

255.255.255.0

Class C Subnet Mask

126

Number of possible networks, Class A (IPv4)

16,384

Number of possible networks, Class B(IPv4)

2,097,152

Number of possible networks, Class C(IPv4)

16,777,214

Number of possible hosts, Class A(IPv4)

65,534

Number of possible hosts, Class B(IPv4)

254

Number of possible hosts, Class C(IPv4)

Classess Inter-Domain Routing (CIDR)

IETF published a new standard for assigning IP addresses

Class A

IPv4 Address Range 10.0.0.0 -10.255.255.255

Class B

IPv4 Address Range 172.16.0.0 - 172.31.255.255

Class C

IPv4 Address Range 192.168.0.0 - 192.168.255.255

Network Address Translation (NAT)

Private IP addresses provide their computers with Internet access

Dynamic Host Configuration Protocol (DHCP)

Client/Server application and protocol that enables clients to obtain IP addresses from a pool provided by a server.

Automatic Private IP Addressing (APIPA)

When a Windows 7 computer with no IP address starts, and it fails to locate a DHCP server on the network, the TCP/IP client automatically configures itself using an address in the 169.254.0.0/16

Unicast

Identifies a single network interface.

Anycast

Identifies a set of network interfaces.

Multicast

Identifies a group of multiple network interfaces.

Node-local

Limited to an individual interface

Link-local

Limited to systems on the directly attached network.

Site-local

Limited to interfaces at a single site.

Organization-local

Designed to span multiple sites belonging to an individual organization.

Global

Unique throughout the IPv6 universe.

Link Local Multicast Name Resolution (LLMNR)

For computers with link-local addresses, which might not have access to a DNS server.

Stateless Address Autoconfiguration

Enables computers to configure their own addresses after transmitting router solicitation multicasts to the routers on the network and receiving router advertisement messages in return.

IPv4-compatible addresses

A hybrid IPv6/IPv4 address that enables an IPv6 system to communicate using an IPv4 infrastructure.

IPv4-mapped addresses

A hybrid IPv6/IPv4 address that enables an IPv6 system to recognize an IPv4-only system.

6to4

A tunneling technology that enables computers to transmit IPv6 packets over an IPv4 network.

Teredo

A tunneling protocol that enables computers to transmit IPv6 packets through NAT routers that do not support IPv6.

Datagram

The data-link layer packet that gets transmitted over the network consists of transport layer data.

Connection-Oriented Protocol

Two communicating systems establish a connection before they transmit any data.

Connectionless Protocol

Does not require the establishment of a connection, nor does it perform error detection or correction.

Socket

Combination of an IP address and a port number.

Well-Known Port

Numbers permanently assigned to specific application.

Ephemeral Port

Created automatically by client application.

Port:20

ftp-data

Port:21

ftp

Port:22

ssh

Port:23

telnet

Port:25

smtp

Port:53

domain

Port:67

bootps

Port:68

bootpc

Port:80

http

Port:110

pop3

Port:119

nntp

Port:123

ntp

Port:143

imap

Port:161

snmp

Port:443

https

Packet Acknowledgment

Informs the sender which packets have been delivered successfully.

Error Correction

Informs the sender which packets must be retransmitted.

Flow Control

Regulates the rate at which the sending system transmits its data.

Client for Microsoft Networks

Provides application layer services that enable programs to access shared files and printers on the network.

QoS Packet Scheduler

Enables the network client to prioritize network traffic based on bandwidth availability and changing network conditions.

File and Printer Sharing for Microsoft Networks

Enables the computer to share its files and printers with other users on the network.

Link Layer Topology Discovery Mapper I/O Driver and Link Layer Topology Discovery Responder

Implement the protocol that enables Windows 7 to compile a map of the computers on the network.

Netsh

Command line parameters to configure virtually any Windows 7 networking setting.

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