Exam Objectives Frequently Asked Questions


The following Frequently Asked Questions, answered by the authors of this book, are designed to both measure your understanding of the Exam Objectives presented in this chapter, and to assist you with real-life implementation of these concepts. You will also gain access to thousands of other FAQs at ITFAQnet.com.

1.

What is a metric and how is it used in choosing the best routes?

a metric is that value assigned to an ip route for a particular network interface that tells you how much it s going to cost to use that specific route. metrics can be assigned values based on link speed, number of hops, or even the time delay that might be associated with that particular route.

2.

What are the two principal packet-filtering methods supported by RRAS?

the two principal methods used in packet filtering are inbound and outbound filters. you basically accept all inbound packets except those expressly denied, or you deny all inbound packets except those expressly allowed. the same principle works for outbound traffic.

3.

How do I check my TCP/IP configuration in Windows Server 2003?

if you are troubleshooting your tcp/ip network, the first thing you want to do is check your tcp/ip configuration on the machine having the problem. you can do this by clicking start | run and typing cmd in the run text box. now press the enter key. this brings up the command prompt window. at the command prompt, type ipconfig /all, and then press the enter key. this command will display a detailed configuration report containing all of the information concerning your network interfaces, including dns suffix, ip address, subnet mask, and default gateway. make sure that your computer has all the correct settings for the dns and wins servers, a correct and available ip address, a correct subnet mask, a correct default gateway, and the correct host name.

4.

Which tools can I use to test my TCP/IP connections?

if you are having problems connecting to a remote server, you ll want to test your connections. there are two common tools that are used for this task: ping and tracert . the ping command is used to verify if a host computer can connect to network resources or not. the tracert command is used to examine the route being used from your computer to the destination. the tracert utility shows the series of ip routers that are used to deliver packets from your computer to the destination and how long it takes for each hop. if the packets cannot reach their destination, the name of the last router that successfully forwarded the packets is listed. two other commands that can also be used to test functionality are route and pathping.

Answers

1.

A metric is that value assigned to an IP route for a particular network interface that tells you how much it’s going to cost to use that specific route. Metrics can be assigned values based on link speed, number of hops, or even the time delay that might be associated with that particular route.

2.

The two principal methods used in packet filtering are inbound and outbound filters. You basically accept all inbound packets except those expressly denied, or you deny all inbound packets except those expressly allowed. The same principle works for outbound traffic.

3.

If you are troubleshooting your TCP/IP network, the first thing you want to do is check your TCP/IP configuration on the machine having the problem. You can do this by clicking Start | Run and typing cmd in the Run text box. Now press the Enter key. This brings up the command prompt window. At the command prompt, type ipconfig /all, and then press the Enter key. This command will display a detailed configuration report containing all of the information concerning your network interfaces, including DNS suffix, IP address, subnet mask, and default gateway. Make sure that your computer has all the correct settings for the DNS and WINS servers, a correct and available IP address, a correct subnet mask, a correct default gateway, and the correct host name.

4.

If you are having problems connecting to a remote server, you’ll want to test your connections. There are two common tools that are used for this task: PING and Tracert. The ping command is used to verify if a host computer can connect to network resources or not. The tracert command is used to examine the route being used from your computer to the destination. The Tracert utility shows the series of IP routers that are used to deliver packets from your computer to the destination and how long it takes for each hop. If the packets cannot reach their destination, the name of the last router that successfully forwarded the packets is listed. Two other commands that can also be used to test functionality are route and pathping.




MCSE Planning and Maintaining a Windows Server 2003 Network Infrastructure. Exam 70-293 Study Guide and DVD Training System
MCSE Planning and Maintaining a Windows Server 2003 Network Infrastructure: Exam 70-293 Study Guide and DVD Training System
ISBN: 1931836930
EAN: 2147483647
Year: 2003
Pages: 173

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