(a) Fire Wall It is the first line of defense for any computer system or network. All packets that enter the network should come though this point. A modern firewall is a system of applications and hardware working together. A Read More …
Category: MCS022
basic purpose and name the OSI layer where the following devices will be operating:
(1) repeater Repeaters: repeters also called regenerator, are physical hardware device. They connet two network segments and broadcast packets between them they have the primary function to regenerate the electrical signal: · Reshaping the wavefrom · Amplifying the waveform · Read More …
With the help of an example for each, write the usage and syntax for the following LINUX commands.
(1)cAT[OPTIONS] FILE – concatenate (list) a file (2) diff [option] file1 file2 – compare the two files and display the differnces (text files only) (3) sort [option] file – read commands form the file and execute them in the current Read More …
Explain the following with reference to domain name system(DNS):
(1) DNS architecture Name SERVERS are server programs, which hold information about the domain tree’s structure and set information. A name server may cache structure or set information about any part of the domain tree, but in general a particular Read More …
List and expain the characteristics of MOdern operating systems.
· To provide an enviroment for a computer user to execute programs on computer hardware in a convenient and efficient manner. · To allocate the separate resources of the computer as needed to solve the problem given. The allocation process Read More …
Explain the various computer security classification recognised by trusted computer system Evaluation criteria (TCSEC)
Trusted computer system evaluation criteria is a united states government Department of Defense standard that sets basic requirement for assessing the effectiveness of computer security controls built into a computer system. The TCSEC was used to evalute, classify and select Read More …
Explain the memory management concepts in LINUX o/s.
The memory management subsystem is one of the most important parts of the operating system. The memory management subsystem includes: Protection: Each process in th system has its own virtual address space. These virtual address space are compeletly separate from Read More …
Explain the following with refrence to WINDOWS 2000 O/S:
(1) Trust Relationships and Work Groups Trust Relationships: Trust relationship refers to a line between two domains, where one domain is referred to as the trusting domain and other the trusted domain. Trusting domain lets the trusted domain logon. User accounts Read More …
