MCSE

Redirector is software that intercepts file or prints I/O requests and translates them into network requests. This comes under presentation layer.

Packet filter is a standard router equipped with some extra functionality. The extra functionality allows every incoming or outgoing packet to be inspected. Packets meeting some criterion are forwarded normally. Those that fail the test are dropped.

It is the protocol the routers in neighboring autonomous systems. It is used to identify the set of networks that can be reached within or via each autonomous system.

It is any routing protocol used within an autonomous system.

NETBIOS is a programming interface that allows I/O requests to be sent to and received from a remote computer and it hides the networking hardware from applications. NETBEUI is NetBIOS extended user interface. A transport protocol designed by Microsoft and IBM is for the use on small subnets.

It is an authentication service developed at the Massachusetts Institute of Technology. Kerberos uses encryption to prevent intruders from discovering passwords and gaining unauthorized access to files.

It is a very simple protocol used for transmission of IP datagrams across a serial line.

It is a simple protocol used to exchange information between the routers.

It is a set of rules defining a very simple virtual terminal interaction. The NVT is used in the start of a Telnet session.

TCP - Transfer Control Protocol.

* a. Reliable

* b.Connection oriented.

* c.Acknowledgement

UDP - User Datagram Protocol.

* a.Non Reliable

* b.Connectionless

* c.No Acknowledgement

Patch management is an area of systems management that involves acquiring, testing, and installing multiple patches (code changes) to an administered computer system. Patch management tasks include: maintaining current knowledge of available patches, deciding what patches are appropriate for particular systems, ensuring that patches are installed properly, testing systems after installation, and documenting all associated procedures, such as specific configurations required. A number of products are available to automate patch management tasks, including Ringmaster’s Automated Patch Management, Patch Link Update, and Gibraltar’s Ever guard

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