Computer Network Assignment Free Essays

PC NETWORKS 4TH MARCH 2012 Examination Paper Answer ALL inquiries. Obviously cross out overflow answers. Time: 2 hours Any reference material brought into the diagnostic room must be given to the invigilator before the beginning of the assessment. We will compose a custom article test on PC Network Assignment or on the other hand any comparative subject just for you Request Now ANSWER ALL QUESTIONS Marks QUESTION 1 a) State FOUR (4) standards supporting the Open Systems Interconnection (OSI) Reference Model. b) Describe the reason for the physical layer of the OSI Reference Model. c) State THREE (3) components of system structure that identify with the physical layer of the OSI Reference Model. ) Describe the reason for the information interface layer. 4 1 3 2 Total 10 Marks QUESTION 2 a) b) c) d) Define the term a bundle as utilized in PC systems. Quickly depict the THREE (3) key segments of a bundle. Clarify the distinction between a LAN, MAN and WAN. Depict how signal reflection could be an issue in an Ethernet LAN and clarify how this is forestalled. 1 3 Total 10 Marks QUESTION 3 a) b) c) d) Explain why remote innovation was not at first generally received. State THREE (3) focal points to utilizing remote fringe gadgets. Portray what a remote connector is. Windows 7 Check Your Understanding iframe class=wp-inserted content sandbox=allow-contents security=restricted style=position: supreme; cut: rect(1px, 1px, 1px, 1px); src=https://phdessay.com/windows-7-registration understanding/implant/#?secret=8dUD0KAxNg information secret=8dUD0KAxNg width=500 height=282 title=#8220;Windows 7 Check Your Understanding#8221; #8212; Free Essays - PhDessay.com frameborder=0 marginwidth=0 marginheight=0 scrolling=no/iframe Portray what a passageway is. 3 2 Total 10 Marks QUESTION 4 a) b) c) d) Explain what physical topology is. Clarify what sensible topology is. Depict how physical topology and intelligent topology identify with one another. Portray how point to point systems work. 2 4 Total 10 Marks QUESTION 5 a) b) c) J State FIVE (5) components to consider while picking physical media for a PC arrange. State FOUR (4) favorable circumstances to utilizing fiber-optic link as a system medium. Express the primary disservice to utilizing fiber-optic link as a system medium. 4 1 Total 10 Marks QUESTIONS CONTINUE ON NEXT Page 2 of 3 Computer Networks March 2012 Formatted/HW Â © NCC Education Ltd 2012 Marks QUESTION 6 a) b) Explain what a repeater is and quickly portray how it functions. Clarify what a switch is and quickly depict how it functions. 6 4 Total 10 Marks QUESTION 7 a) b) c) List FIVE (5) key elements to consider when finding remote passages. You have found a passage in the best accessible spot for your remote system however it isn't giving the total inclusion you require. State THREE (3) choices you need to broaden the inclusion of the remote system. Your remote system permits community by means of a login page. Depict TWO (2) includes that ought to be remembered for your login page. 5 3 2 Total 10 Marks QUESTION 8 a) b) c) d) A safe system offers security. Clarify what security is in this unique circumstance. A protected system offers respectability. Clarify what uprightness is in this specific circumstance. A protected system offers accessibility. Clarify what accessibility is in this specific situation. Portray a man-in-the-center assault. 2 3 2 3 Total 10 Marks QUESTION 9 a) Firewall traffic blocking rules can be made for organize traffic dependent on various properties. State THREE (3) properties that are utilized to make firewall rules. b) Explain what a switch firewall does. c) List FOUR (4) key assignments that are essential for dealing with a firewall. 3 4 Total 10 Marks QUESTION 10 a) b) c) State the THREE (3) fundamental elements of a Network Operating System (NOS). Portray how a redirector functions. State THREE (3) arrange administrations that a NOS will commonly empower. 3 4 3 Total 10 Marks END OF EXAM Page 3 of 3 Computer Networks March 2012 Formatted/HW Â © NCC Education Ltd 2012 Instructions to refer to Computer Network Assignment, Papers