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| MCSE Windows 2000 Network Infrastructure Administrative 70-216 |
This book is the third book for the MCSE (Microsoft Certified System Engineer) Microsoft Professional exam. I have gone through it and read it, please be aware that this book is not necessarily the best book for this course. This author has inputted his own version of the account and if you like a lot of jokes then this is the book for you. But he also put into so much detail, I mean it would be okay if this course was this detailed but it is not.
Beginning
As with Windows 2000 Professional and Windows 2000 Server this book deals with DNS, DHCP, WINS, Routing, TCP/IP, NWLink IPX/SPX/NetBIOS, IPSec, NAT, Certificate Services and Remote Access with Virtual Private Network connections. You will be troubleshooting and creating a network infrastructure.
DNS
DNS is the name service for Internet address. The computer only reads in numbers I mean if you have a bunch of numbers say like 207.46.130.149 it doesnt even mean anything to us but if you go through DNS it will translate it to www.microsoft.com so it translates a host computer name to an IP address so the network can easily read it and deal with it.
There are 8 top-level domains that you probably heard of they are:
Identifier Organization
arpa Reverse DNS
com Commercial organizations
edu Educational institutions and universities
gov Nonmilitary government organizations
mil Military government organizations
net Networks (the backbone of the Internet)
num Phone Numbers
org Non-profit organizations
Middle:
DHCP
DHCP is a service that manages TCP/IP configurations and delivers it to clients dynamically. To have DHCP setup for your clients make sure in the property box of their LAN connection select Obtain an IP address automatically and same thing as DNS. Whenever a client starts their machine they request a IP address from the DHCP server, it will send out a packet to all of the DHCP servers out there and whoever responds back it will send out another packet to try to get a available IP address when the DHCP responds back it will respond by telling the client if there is a IP address available if yes then the DHCP server will reserve that IP address by the given time that the Administrator has given. It will hold on to that IP address until shut off. If the client doesnt receive an available IP address it will assign itself one by the reserved Class B network made by InterNIC that is non-routable by any router of 169.254.0.0 with the subnet mask of 255.255.0.0. Of course you can setup a network with static addresses but what kind of frustration are you putting yourself through just put on DHCP.
Remote Access
Remote Access is a way of getting into your network at any location through a dial-up connection or any kind of connection that lets you on the Internet. If a RRAS server is setup it will allow clients to connect into it with of course a user name and password. This is also called a Virtual Private Network, which is the ability to send data between two computers across an internetwork that mimics a normal network inside your company. Of course you will still have your policies and you can also setup so that clients can only get resources from just that RRAS server and stops there.
WINS
WINS is a service that resolves NetBIOS names. But for a client to resolve their IP address to NetBIOS or vice versa that clients computer and IP address must be registered with the WINS server. Now this what creates now a WINS database that is managed by the Administrator. One of the neat things here is that the information is always accurate because each time the client logs on it will update the database as well.
Now to equal out the load on a WINS Server there is something called the wins replication tool. This allows one WINS server to replicate to another WINS server to equal out the load and also for fault-tolerance. Now for this to happen each as to be configured as a push or pull partner.
NAT
NAT is another service that allows an private IP address to be translated into a public address to and from the Internet. This is very similar to when you share you Internet connection from your home. So this means that a company doesnt have to buy a ton of real IP addresses but use NAT so a company can survive with just 3 to 5 real IP addresses for 100 people. A NAT service can act as a NAT, DHCP server, DNS Proxy, and WINS proxy. It enables computers to share public (real) registered IP addresses.
Certificate Services
This is just like a driver license number, or a Social security number it just identifies and verifies who you are and who you belong with. This is of course all-digital and contains special public keys. Certificate services have two classes of CAs: Enterprise CAs and stand-Alone CAs. This just permits a CA what he or she can do or request or give certificates. An Enterprise CA is the most trusted and only one can be given to any given hierarch but more than one in a domain. Standalone CAs are people that issues out certificates to users or computers outside the organization.
Conclusion:
This book is the one of the worst of the Sybex collection on MCSE, so much detail and so boring to read but one thing I can comment on is the activities thats involved it is very well created. Other than that I cant say anything else on it but if any MCSE candidates want to pass this test I will suggest you getting another book. I will have to give it a rating 5 out of 10. |
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