Windows Update is a client-side scanning tool that can check for installed and missing patches and it certification(http://www.examshots.com ) service updates against the Windows Update web site or a locally installed SUS server. And along with Automatic Updates, Windows computers can be configured to download and install patches and service packs at scheduled intervals. Server and client computers can be configured to connect to and scan for available updates from SUS servers using Group Policy, SMS (Systems Management Server) with the SUS Feature Pack, or logon scripts if Active Directory has not been deployed. If users aren't granted local administrator level access to their desktop, Automatic Updates can be configured for a scheduled date and time to install the updates and restart the computer automatically. SUS servers deployed within a network allow administrators to collect, approve and distribute critical updates for server and client computers. SUS parent servers can be configured to synchronize with the Microsoft Windows Update Web site and pass updates to child SUS servers, which, in turn, distribute the updates to the server and client computers on the network. Tip: For failed deployments of patches or service packs with SUS, you must cancel approval of the update on the SUS server to prevent further installations. Implementing, Managing, and Troubleshooting Security for Network Communications Most of the topics here center on IPSec for free Microsoft practice tests(http://www.examshots.com/vendor/Microsoft-1.html ) securing network data. You'll also find a sprinkle of data security as it relates to wireless, SSL and remote access networks. My exam seemed to include many questions regarding IPSec authentication headers! I'll briefly cover each of the network data security protocols and methods. IPSec is a rule-based security protocol that protects data traffic. It uses on-demand authentication and encryption between two end points. IPSec packets are signed with certificates, verified, encrypted and decrypted at the OSI network layer, making the process transparent to upper layer protocols. L2TP and IPSec can be used to create VPNs. IPSec can be used in two modes; AH (Authentication Header) and ESP (Encapsulating Security Payload). AH packets can be routed without loss or change to the header signature. ESP packets can use either DES (Data Encryption Standard) or 3DES in the Transport or Tunnel modes. In Transport mode, ESP encrypts the entire data packet with the exception of the header. In Tunnel mode, ESP encrypts the entire packet for VPN connections. Using AH and ESP together provides the most secure data transmission. AH can be implemented using Kerberos, certificates, or preshared keys! IPSec is a wide-ranging protocol and includes many small details. Be sure and study it and 70-685(http://www.examshots.com/exams/70-685.html ) IPSec policies thoroughly prior to the exam. Windows Update is a client-side scanning tool that can check for installed and missing patches and it certification(http://www.examshots.com ) service updates against the Windows Update web site or a locally installed SUS server. And along with Automatic Updates, Windows computers can be configured to download and install patches and service packs at scheduled intervals. Server and client computers can be configured to connect to and scan for available updates from SUS servers using Group Policy, SMS (Systems Management Server) with the SUS Feature Pack, or logon scripts if Active Directory has not been deployed. If users aren't granted local administrator level access to their desktop, Automatic Updates can be configured for a scheduled date and time to install the updates and restart the computer automatically. SUS servers deployed within a network allow administrators to collect, approve and distribute critical updates for server and client computers. SUS parent servers can be configured to synchronize with the Microsoft Windows Update Web site and pass updates to child SUS servers, which, in turn, distribute the updates to the server and client computers on the network. Tip: For failed deployments of patches or service packs with SUS, you must cancel approval of the update on the SUS server to prevent further installations. Implementing, Managing, and Troubleshooting Security for Network Communications Most of the topics here center on IPSec for free Microsoft practice tests(http://www.examshots.com/vendor/Microsoft-1.html ) securing network data. You'll also find a sprinkle of data security as it relates to wireless, SSL and remote access networks. My exam seemed to include many questions regarding IPSec authentication headers! I'll briefly cover each of the network data security protocols and methods. IPSec is a rule-based security protocol that protects data traffic. It uses on-demand authentication and encryption between two end points. IPSec packets are signed with certificates, verified, encrypted and decrypted at the OSI network layer, making the process transparent to upper layer protocols. L2TP and IPSec can be used to create VPNs. IPSec can be used in two modes; AH (Authentication Header) and ESP (Encapsulating Security Payload). AH packets can be routed without loss or change to the header signature. ESP packets can use either DES (Data Encryption Standard) or 3DES in the Transport or Tunnel modes. In Transport mode, ESP encrypts the entire data packet with the exception of the header. In Tunnel mode, ESP encrypts the entire packet for VPN connections. Using AH and ESP together provides the most secure data transmission. AH can be implemented using Kerberos, certificates, or preshared keys! IPSec is a wide-ranging protocol and includes many small details. Be sure and study it and 70-685(http://www.examshots.com/exams/70-685.html ) IPSec policies thoroughly prior to the exam.
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