Fibre optic cable - Study guides, Class notes & Summaries

Fibre Optic Cable Exam Questions and Answers (Graded A)Fibre Optic Cable Exam Questions and Answers (Graded A)Fibre Optic Cable Exam Questions and Answers (Graded A)Fibre Optic Cable Exam Questions and Answers (Graded A) Cable Connector Types - ANSWER - - ST - SC - FC - LC - MU - ESCON - MTRJ - VF45 Loose Buffer Construction - ANSWER - The fiber is contained with a hard plastic tube having an inside diameter much greater than the fiber. Often filled with gel that keeps moisture out an...

Each question carries 2 marks. Choose the correct or best alternative in the following: Q.1 Which of the following is not an scripting language ? (A) HTML (B) XML (C) Postscript (D) Javascript Ans: C Postscript Q.2 Which of the following is a platform free language (A) Fortran (B) Assembly (C) C (D) Java Ans: D Java Q.3 A digital signature is (A) scanned signature (B) signature in binary form (C) encrypting information (D) handwritten signature Ans: C encrypting ...

Stand alone computer : a computer that is not connected to a network What is a network? : a number of computers linked together to allow then to share resources (hardware, software and data) What are the advantages of networks? : - files can be stored in one place - can share hardware (printers) - share files - easy communication What are the disadvantages of networks? : - buying cabling and file servers can be expensive - danger of hacking 2 - viruses can spread to other computer...

What is a network? A network is a set of connected computers and other devices in order to share resources. This includes files, application software and hardware. What are the two types of network? LAN and WAN What is a LAN? Local Area Network - covers a small geographical area What is a WAN? Wide Area Network - covers a large geographical area What is network infrastructure? Network infrastructure is the hardware and software resources of an entire network that...

What is a stand-alone computer? a computer that is not connected to a network What is a network? two or more electronic devices that are connected together. They can be wired or wireless Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:01 / 0:15 Full screen What are some advantages of using networks? • Communication between users • Sharing of files • Sharing of peripheral devices • Monitoring user activity • A...

Digital Convergence is the gradual merger of computing and communications into a new information environment, in which the same information is exchanged among many kinds of equipment, using the language of computers. Digital Signals that computer uses to process a series of datas 0s and 1s, off and on. Analog signals that use wave variations, continuously changing. Can an analog data be converted to digital data? yes, by using modems Modem short for modulate/ d...

CPU Central Processing Unit: The main part of the computer, consisting of the registers, ALU and control unit. Von Neumann Architecture Traditional computer architecture that forms the basis of most digital computer systems. Instructions are fetched, decoded and executed one at a time. Brainpower Read More MAR Memory Address Register: Holds the address of data ready for use by the memory data register. or the address of an instruction passed from the program counter. Step 2 ...

When the store-and-forward method of switching is in use, what part of the Ethernet frame is used to perform an error check? CRC in the trailer What is the purpose of the OSI physical layer? transmitting bits across the local media Why are two strands of fiber used for a single fiber optic connection? They allow for full-duplex connectivity. Which characteristic describes crosstalk? the distortion of the transmitted messages from signals carried in adjacent wires Which procedure ...

Local area network (LAN) - Answers-A type of network that covers a small area one a single site and are often found in homes, businesses and schools. It allows files to be easily shared, hardware to be shared, updates to be applied to all devices simultaneously. Wide Area Network (WAN) - Answers-A connection of LAN networks that are in different locations. It is more expensive than a LAN but it allows for a organisation to connect multiple places together. Bandwidth - Answers-The amount of...

A1) Benefits of pentesting -ANSWER Manage risk. Increase business continuity. Minimise client-side attacks. Protect clients, partners and third-parties. Comply with regulation. A1) Pentest structure -ANSWER Reconnaissance (i.e. find live hosts, sweeping, find services, scanning, banner matching, find vulnerabilities). Target prioritisation (e.g. assess servers rather than printers). Testing of services and exploitation if applicable. Consult/Confirm with customer if ok to exploit. Inform cust...