MVA slides lesson 5

Objectives
Skills/Concepts Objective Domain
Description
Objective Domain
Number
Using basic TCP/IP
commands
Understanding TCP/IP 3.6
Working with advanced
TCP/IP commands
Understanding TCP/IP 3.6

Common TCP/IP Tools (with Demos)
• command prompt
• ipconfig
• ping
• Tracert

• The Windows command prompt is Microsoft’s version of a command-line
interface or CLI
• Running the command prompt as an Administrator is also known as
running it in elevated mode
• Tools can be run using the command prompt
Command Prompt

• Displays the current configuration of the installed IP stack on a
networked computer using TCP/IP
• The /all switch can be used to view additional details about each
adapter
• Can be used to refresh Dynamic Host Configuration Protocol (DHCP)
and Domain Name System (DNS) settings
ipconfig

• Verifies IP-level connectivity to another TCP/IP device by sending
Internet Control Message Protocol (ICMP) Echo Request messages
• A number of switches can accommodate different testing scenarios
• Can be used to test IPv4 and IPv6 connectivity
ping
Hey, are you awake?
Why yes, yes I am...

• Determines the path taken to a destination by sending Internet Control
Message Protocol (ICMP) Echo Request messages to the destination
with incrementally increasing Time to Live (TTL) field values
• Used to “trace” a network path from sending to receiving device
• Useful if the local device is testing ok but connectivity can’t be
established
tracert
Hey, how do I get
there?
First you go
through me...
Second you go
through me...
Then you re here!

Advanced TCP/IP Tools (with Demos)
• Netstat
• NbtStat
• PathPing
• Nslookup
• Netsh
• Route (-print)
• Net
• Telnet

• Displays active TCP connections, ports on which the computer is
listening, Ethernet statistics, the IP routing table, IPv4 statistics (for the IP,
ICMP, TCP, and UDP protocols), and IPv6 statistics (for the IPv6, ICMPv6,
TCP over IPv6, and UDP over IPv6 protocols)
• Used without parameters, netstat displays active TCP connections
Netstat

• Displays NetBIOS over TCP/IP (NetBT) protocol statistics for local and
remote computers, NetBIOS name tables for both the local computer
and remote computers, and the NetBIOS name cache
• NetBIOS was developed in the 1980s to allow applications to
communicate over a network using the session layer of the OSI model
• NetBIOS establishes logical names on the network, establishes sessions
between two logical names on the network, and supports reliable data
transfer between computers that have established a session
• NetBIOS over TCP/IP sends the NetBIOS protocol within TCP and UDP
sessions
NbtStat

• A command-line route tracing tool that combines features of the tools
Ping and TraceRt that includes additional information
• PathPing sends packets to each router on the way to a final destination
over a period of time, and then computes results based on the packets
returned from each hop
• PathPing can show the degree of packet loss at any specified router or
link enabling you to pinpoint links that might be causing network
problems
PathPing

• Displays information that you can use to diagnose Domain Name
System (DNS)
• The Nslookup command-line tool is available only if you have
installed the TCP/IP protocol
• You should be familiar with DNS before using this tool
Nslookup

• A command-line scripting utility that enables you to display or
modify the network configuration of a computer currently
running
• Command works on local or remote computers
• Provides a scripting feature that allows you to run a group of
commands in batch mode against a specified computer
• Enables you to save a configuration script in a text file for
archival purposes or to help you configure other servers
Netsh

• Displays and modifies the entries in the local IP routing table
• The Route Print command can be used to display routing table for a
Windows machine
This command gives the same result as netstat –r, but it is more commonly used
• The Route command can also be used to add and delete static routes
Route

• Many services use networking commands that begin with the
word net
• Although not specifically part of the TCP/IP command set, the net
command can display various important networking data, and it
enables you to configure various networking options such as services
Net

• The telnet commands enables you to communicate with a remote
computer that is using the Telnet protocol
• You can run telnet without parameters in order to enter the telnet context,
indicated by the Telnet prompt (telnet>)
• From the Telnet prompt, use the following commands to manage a
computer running Telnet Client
• A network administrator can connect to a remote computer, server, router,
or switch by typing telnet [IPAddress].
• Telnet is an older, out-of-date protocol, and as such, it should be replaced
with a more secure program such as SSH.
• It can also be used for troubleshooting by adding a port number
• telnet server01 25
Telnet

• You have learned basic TCP/IP commands and their functionality.
• You have learned how to use advanced TCP/IP commands.
Summary

Additional Resources & Next Steps
Books
• Exam 98-366: MTA
Networking
Fundamentals (Microsoft
Official Academic
Course)
Instructor-Led Courses
• 40033A: Windows Operating System and Windows
Server Fundamentals: Training 2-Pack for MTA
Exams 98-349 and 98-365 (5 Days)
• 40349A: Windows Operating System Fundamentals:
MTA Exam 98-349 (3 Days)
• 40032A: Networking and Security Fundamentals:
Training 2-Pack for MTA Exams 98-366 and 98-367
(5 Days)
• 40366A: Networking Fundamentals: MTA Exam 98-
366
Exams &
Certifications
• Exam 98-366:
Networking
Fundamentals

MVA slides lesson 5

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