PPT-1 CMPT 471

Networking II Firewalls Janice Regan 20062013 Janice Regan 20062013 2 Security When is a computer secure When the data and software on the computer are available on demand only to those people who should have access. Dr. Alexandra Fedorova. Lecture . X. : . Transactions. Transactions. A transaction is a collection of actions logically belonging together. To the outside world, a transaction must appear as a . single indivisible operation. tutorial #5 : . javascript. . 2 guessing game. By Wendy Sharpe. 1. before we get started . . .. If you have not been to. the first tutorial introduction JavaScript then . you must catch up on your own time. 120 . Algorithms. Summer 2012. Instructor: Hassan . Khosravi. Searching. Searching is an important program in computing. “Searching” is the problem of looking up a particular value in a list or other data structure. You generally want to find the value (if it’s there) and determine its position.. Data Communications and Networking. Network Layer. ICMP . and fragmentation. © Janice Regan, 2007-2012. 1. IPv4 Protocol Header. Protocol. transport layer. Header. checksum. TTL. Source IP address. Destination IP address. Networking II. Address Resolution. IPv6 Neighbor Discovery. 1. © Janice Regan, 2012. © Janice Regan, 2006. 2. Modified from the TCP/IP Guide (online). ADDRESS RESOLUTION. DUPLICATE ADDRESS DETECTION. Phase: Design. Janice Regan, 2008. 2. Map of design phase. DESIGN. HIGH LEVEL. DESIGN. Modularization. User Interface. Module Interfaces. Data. . Persistance. Subsystem. User Manual. architecture. Introduction to Operating Systems. . File Systems Sample Questions. Delayed-Write. Q: Rather than writing updated files to disk immediately when they are closed, many UNIX systems use a delayed write policy in which dirty disk blocks are flushed to. Oliver Schulte. Introduction to . Artificial Intelligence. topics. Intelligent Agents . uninformed and informed search . Constraint Satisfaction Problems . Game playing . First-order Logic . Reasoning under uncertainty . Data Communications and Networking. Congestion Control. 0. Simple Congestion Scenario. Two pairs hosts share a connection through a common router.. Host A and host B are sending data at bytes/sec through a shared link (through the router) with capacity R. Topic: Software Development Process . . Last step -> Testing and Debugging. Learning outcomes. At . the end of this course, a student is expected to. :. Create (design) simple algorithms. Topic: . Binary Encoding – Part 1. Learning Outcome. At . the end of this course, a student is expected to:. Manipulate . binary encodings of simple data types. .. Do conversions . from binary . system to . . Operating Systems. Processes. Multiprogramming. When multiple programs share the same processor . An example of . pseudoparallelism. Processes share processor (each get a short turn) so that in a perceptible length of time it appears processes run in parallel . ClinicalandmolecularfindingsinaMoroccan patientwithpoplitealpterygiumsyndrome:a casereport IlhamRatbi 1,4* ,NawfalFejjal 2 ,MarieLegendre 3 ,NathalieCollot 3 ,SergeAmselem 3 andAbdelazizSefiani 1,4 Ab ,2n=4=28,AABBgenomes)andcommonwheat(T.aestivumL.,2n=6=42,AABBDDgenomes).Historicalepidemicshaveoccurred.Forexample,in1935morethan50%ofthewheatcropsinNorthDakotaandMinnesotawerelostowingtostemrust(Leon