Craigie's 70-647 Blog

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Well I have been off the 'pony' for the last two months since passing the Exchange 2007 exam.

Work has taken all of my time, with Cisco and Microsoft installations, migrations, meaning that I have worked pretty much every weekend off the last eight!

I have decided not to do any overtime for the next few weeks and concentrate on my studies.

So with that being said, it's time to get 'balls deep' in the 70-647 Windows Server Enterprise Administration.

I have installed Server 2008 numerous times and have my ML115 which is currently configured as follows:

Hardware

ML115 2.2Ghz Quad Core AMD
8GB RAM
RAID 1 500GB Hard Drive

Server 1 Roles

Active Directory
DHCP
DNS
File Server
Hyper V
Network Policy & Access Services
Routing & Remote Access

Server 2 (Hyper V) 2GB RAM

Active Directory Domain Services
Exchange 2007
File Server
Web Server

 

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Well done Craigie, as I have just ordered a new server as yours above from Ebuyer and would have to top the RAM and possibly get a higher PSU Happy days as you rightly say.

 

DNS

I had already implemented Active Directory Integrated DNS which has Forwarders to 208.67.222.222 and 208.67.220.220 (OpenDNS) so that I can then use this as a Proxy.

However, I shall endevour to go over some old but familiar topics below.

Forwarders DNS servers used to forward any DNS queries to which your own DNS Servers are not authoratitive. Most often ISP's DNS servers.

Stub Zones this is an abbreviated copy of a DNS zone, basically it just redirects queries to Name Servers it holds in it's records.

Secondary Zones Read Only copy of a Primary DNS Server namespace.

DNS Records

A - Host Name
MX - Mail Exchanger
CNAME - Canonical Name
SRV - Service Location
PTR - Pointer
NS - Name Server

 

I will be following this, thanks for the brief explanantions to Craigie it makes more sense seeing someone else do it.

 

DNS Infrastructure

When planning a DNS Infrastructure you have two choices open to you:

A - Different namespaces internally and externally e.g. netlab.local and netlab.com or internal.netlab.com
B - Same namespaces internally and externally. This can cause issues when internal users need to access external resources.

Fully Qualified Domain Name maximum length for a DC is 155 characters and 255 for everything else.

Bind Server these provide name resolution for UNIX

 

Looking into IPv6 now, I'm torn on this sub chapter, whether to learn it properly or just do enough to pass.

I know I won't be using it at work anytime soon as out clients are SMB's. Which means what I will learn will be lost and I will need to learn it again.

So I'm going to use the keypoints only, which I hope will be enough to pass the exam.

IPv6

- Seperators now colons
- 0000:0000 can be replaced by ::
- Global Unicast are the same as IPv4 Public Addresses
- No subnet mask in 255.255.255.0 only CIDR
- Site Local are the same as IPv4 Private Addresses
- Link Local are the same as APIPA Addresses (169.254.0.0/16)
- 128Bit Addresses

- Link Local always start with fe8
- Site Local always start with fec0
- Loop back address is ::1