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1Z0-539 - Oracle GoldenGate 10 Essentials - Dump Information

Vendor : Oracle
Exam Code : 1Z0-539
Exam Name : Oracle GoldenGate 10 Essentials
Questions and Answers : 72 Q & A
Updated On : December 14, 2018
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1Z0-539 Questions and Answers

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1Z0-539 Oracle GoldenGate 10 Essentials

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1Z0-539 exam Dumps Source : Oracle GoldenGate 10 Essentials

Test Code : 1Z0-539
Test Name : Oracle GoldenGate 10 Essentials
Vendor Name : Oracle
Q&A : 72 Real Questions

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Oracle Oracle GoldenGate 10 Essentials

Oracle Patched Over 300 Vulnerabilities in Its Q3 2018 vital Patch update | killexams.com Real Questions and Pass4sure dumps

Oracle launched their quarterly essential patch replace for October 2018 containing safety fixes for over 300 diverse vulnerabilities, a lot of them remotely exploitable devoid of the need of authentication.

additionally, Oracle's important Patch Updates (CPU) are constantly giant collections of safety fixes for Oracle's utility items designed to allow purchasers with valid guide contracts to rapidly replace their systems.

Oracle releases them on the Tuesday closest to the seventeenth day of January, April, July, and October, and it has set the subsequent 4 CPU dates to 15 January 2019, sixteen April 2019, sixteen July 2019, and 15 October 2019.

The flaw with the maximum base score in Oracle's October 2018 CPU is the CVE-2018-2913 affecting the Monitoring manager subcomponent of the Oracle GoldenGate and permitting unauthenticated attackers to take advantage of the vulnerability remotely over a TCP connection.

The possibility score was so excessive as a result of besides the fact that children this security concern most effective impacts the Oracle GoldenGate actual-time statistics integration and replication equipment, a hit attacks can lead to the breaking into extra software products installed on the compromised computer.

Oracle GoldenGate's vulnerability in the Monitoring manager element became the only one with a perfect 10 chance score

"due to the probability posed with the aid of a a success assault, Oracle strongly recommends that clients practice crucial Patch replace fixes as soon as feasible," says Oracle's advisory. "except you apply the crucial Patch replace fixes, it could be feasible to reduce the chance of a hit assault by using blocking community protocols required with the aid of an assault."

Oracle's October 2018 CPU addresses security vulnerabilities found in 101 utility items, ranging from usual ones such because the Java platform, the Solaris OS, MySQL Server, and the VM VirtualBox to greater vague ones such because the Oracle Banking Platform, the Oracle API Gateway, and Oracle WebCenter Portal to identify just a number of.

"Oracle continues to periodically get hold of reviews of attempts to maliciously take advantage of vulnerabilities for which Oracle has already launched fixes," says Oracle. "In some cases, it has been stated that attackers were a success because centered customers had didn't apply purchasable Oracle patches."

in addition, "Oracle therefore strongly recommends that consumers stay on actively-supported versions and apply crucial Patch replace fixes promptly."


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three approaches The next generation Of Chatbots Will trade enterprise | killexams.com Real Questions and Pass4sure dumps

“Siri, set an alarm for 6 a.m.”

“Alexa, play Bon Jovi.”

consumer digital assistants like these from Apple and Amazon have turn into usual in the domestic, but enterprise clients deserve to do tasks that are more advanced than checking the time or enjoying song—a lot more complicated, having to draw insight from a slew of commercial enterprise applications. That’s why a brand new generation of chatbots is needed at work. The aim is zero person interface, that means that people engage with a number of programs within their firm using voice or text messaging, using natural dialog by means of the systems they’re used to, from Siri to Slack to WeChat.

iStockphoto

What does it imply for personnel, and for agencies? listed here are three particular approaches Oracle Digital Assistant, which became launched last month to let groups build and use these next-era interfaces, will alternate your work life.

1. Context-delicate digital assistants.

the primary chatbots at work might most effective deliver standard assistance—for example, letting you comprehend whether your expense document has been paid, or your team’s sales reviews were submitted. That’s now not much smarter than an electronic mail alert. a true digital assistant will gain knowledge of your preferences and habits and actively work to make your life easier. “Oracle Digital Assistant understands context, it has abilities and reminiscence, it's capable of reasoning, and greater importantly, it is aware you, the user,” says Suhas Uliyar, Oracle vice president of bots, AI, and mobile product management.

“it is able to examine your characteristics and behaviors, be aware your responsibilities on your firm, and both suggest movements for you, or take action in your behalf.” as an instance, Uliyar’s digital assistant acknowledges when he’s touring and prompts him to install an out-of-workplace autoreply, nonetheless it also realizes when a visit has been canceled and deletes the autoreply automatically. The digital assistant has context since it’s built-in with business applications, from cloud fiscal and procurement programs to calendars and HR org charts that assist it bear in mind company guidance and hierarchies. Combining this built-in records entry with computing device studying capabilities offers the digital assistant this vital context.

2. consumer-dealing with digital assistants that have in mind emotion, complexity, and nuance.

at the moment, the tremendous majority of consumer feedback tools are very linear, letting purchasers rank their experiences on standard scales of 1 to 5 or 10. With the subsequent era of digital assistants, youngsters, consumers might be in a position to supply prosperous comments the same way they might on a platform such as Yelp or TripAdvisor—in specified, conversational language. “'The nachos had been respectable, but the provider was bad, and we needed to wait too lengthy for a desk,'” Uliyar says, for instance. “That’s complicated—two complaints and one accolade!”

The latest digital assistants may be capable of parse that form of observation, and then even ask for extra—thanking the client for the compliment, and requesting greater particulars concerning the problems. Or, says Uliyar, perhaps it asks for details about the compliment—your chef may want to be aware of what precisely the customer appreciated concerning the nachos. Likewise, these digital assistants will be able to kind via layered requests: Is it golfing weather in Las Vegas this weekend, and the way tons would it can charge to fly there? levels of nuance in the past unavailable with automatic surveys will now be extracted and replied to automatically.

Oracle CEO Mark Hurd anticipated right through last month's Oracle OpenWorld that by way of 2025, eighty five% of customer interactions could be automated. Digital assistants that can glean the emotional content material of customer interactions are one massive intent that may be viable.

three. Digital assistants that take over some jobs, however encourage the invention of latest ones.

When AI capabilities are built-in into each cloud application, and chatbots become the interface for essentially every typical business recreation, jobs like taking the initial call from a consumer may additionally become obsolete. That’s as a result of many client provider initiatives will be dealt with by bots, leaving individuals to tackle most effective the most problematic questions and requests.

Hurd, in a different of his Oracle OpenWorld predictions, forecast that some 60% of IT jobs in 2025 haven’t even been invented yet, and new roles like “bot boss” should be important to company success. americans will at all times play a vital function in making certain the bots having these interactions are making the appropriate selections, growing the appropriate impressions, and leaving individuals with an outstanding feeling about your company.

Ten years from now, predicts Uliyar, bots could be far and wide and conversational UI might be the fundamental interface of interaction. Bots will converge with immersive interfaces comparable to augmented truth and virtual reality to enable for instruments that are yet to be imagined. nevertheless it’s clear to Uliyar that even with the nature of those future devices, we’ll be getting access to their power by way of textual content and speech. 


1Z0-539 Oracle GoldenGate 10 Essentials

Study Guide Prepared by Killexams.com Oracle Dumps Experts


Killexams.com 1Z0-539 Dumps and Real Questions

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1Z0-539 exam Dumps Source : Oracle GoldenGate 10 Essentials

Test Code : 1Z0-539
Test Name : Oracle GoldenGate 10 Essentials
Vendor Name : Oracle
Q&A : 72 Real Questions

reap these 1Z0-539 questions.
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Oracle GoldenGate 10 Essentials

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Netflix Billing Migration to AWS — Part III | killexams.com real questions and Pass4sure dumps

In the billing migration blog post published a few weeks ago, we explained the overall approach employed in migrating our billing system to the cloud:

In this post, the database migration portion will be covered in detail. We hope that our experiences will help you as you undertake your own migrations.

Have you ever wondered about the elements that need to come together and align to get a complicated database migration right? You might ask, “What makes it complicated?”

Think of any challenge in database migration and pretty much all of them were there in this migration:

  • Different hardware between source and target
  • OS flavours
  • Migration across heterogeneous databases
  • Multiple datacenters — Netflix data center (DC) and AWS cloud
  • Criticality of the transactional billing data
  • Selective dataset migration
  • Migration of constantly changing data, with minimal downtime
  • Billing, as most of you would agree, is the critical service for any company. The database is the most essential element in any migration and getting it right determines the success or failure of the whole project. The Netflix CDE (Cloud Database Engineering) team was tasked with migrating this critical subsystem database. The following sections describe some of key areas we focused on in order to ensure a successful migration.

    Choice of the database

    Billing applications have transactions that need ACID compliance to process the payment for charged transactions. RDBMS seemed the right choice for the datastore.

    Oracle: As source database was in Oracle, migrating to Oracle in Cloud would avoid cross database migration, simplifying the coding effort and configuration setup. Our experience with Oracle in production gave more confidence with respect to its performance and scalability. However, considering the licensing costs and the technical debt required to migrate legacy data “as is”, prompted us to explore other options.

    AWS RDS MySQL: Ideally we would have gone with MySQL RDS as our backend, considering Amazon does a great job in managing and upgrading relational database as a service, providing multi-AZ support for high availability. However, the main drawback to RDS was the storage limit of 6TB. Our requirement at the time, was closer to 10TB.

    AWS Aurora: AWS Aurora would have met the storage needs, but it was in beta at that time.

    PostgreSQL: PostgreSQL is a powerful open source, object-relational database system, but we did not have much in house expertise using PostgreSQL. In the DC, our primary backend databases were Oracle and MySQL. Moreover, choosing PostgreSQL would have eliminated the option of a seamless migration to Aurora in future, as Aurora is based on the MySQL engine.

    EC2 MySQL: EC2 MySQL was ultimately the choice for the billing use case, since there were no licensing cost and it also provided a path to future Aurora migration. This involved setting up MySQL using the InnoDB engine on i2.8xlarge instances.

    Production Database Architecture

    High availability and scalability were the main drivers in designing the architecture to help the billing application withstand infrastructure failures, zone and region outages, and to do so with minimal downtime.

    Using an DRBD copy in another zone for the primary master DB, helped withstand zone outages, infrastructure failures like bad nodes, and EBS volume failures. “Synchronous replication protocol” was used to enable the write operations on the primary node to be considered completed, only after both the local and remote writes have been confirmed. As a result, the loss of a single node is guaranteed to have no data loss. This would impact the write latency, but that was well within the SLAs.

    Read replica setup in local, as well as cross region, not only met high availability requirements, but also helped with scalability. The read traffic from ETL jobs was diverted to the read replica, sparing the primary database from heavy ETL batch processing.

    In case of the primary MySQL database failure, a failover is performed to the DRBD secondary node that was being replicated in synchronous mode. Once secondary node takes over the primary role, the route53 DNS entry for database host is changed to point to the new primary. The billing application being batch in nature is designed to handle such downtime scenarios. The client connection do not fallback but establish new connections that would point to the new primary after the Cname propagation is complete.

    Choice of Migration Tool

    We spent considerable time and effort in choosing the right tool for the migration. Primary success criteria for the POC was the ability to restart bulk loads, bi-directional replication, and data integrity. We focused on the following criteria while evaluating a tool for the migration.

  • Restart bulk/incremental loads
  • Bi-directional replication
  • Parallelism per table
  • Data integrity
  • Error reporting during transfer
  • Ability to rollback after going live
  • Performance
  • Ease of use
  • GoldenGate stood out in terms of features it offered which aligned very well with our use case. It offered the ability to restart bulk loads in case of failures (a few tables were hundreds of GB in size), and its bi-directional replication feature provided easy rollback from MySQL to Oracle.

    The main drawback with GoldenGate was the learning curve in understanding how the tool works. In addition, its manual configuration setup is prone to human error, which added a layer of difficulty. If there is no primary key or unique key on the source table, GoldenGate uses all columns as the supplemental logging key pair for both extracts and replicats. We found issues like duplicate data at the target in incremental loads for such tables and decided to execute a full load during the cutover for those specific tables with no pre-defined primary or unique key. The advantages and features offered by GoldenGate far exceeded any challenges and was the tool of choice.

    Schema Conversion and Validation

    Since source and target databases were different, with data type and data length differences, validation became a crucial step in getting the data migrated while keeping the data integrity intact.

    Data type mismatch took sometime to fix the issues stemming from it. One example — many numeric values in Oracle were defined as the Number datatype for legacy reasons. There is no equivalent type in MySQL. The Number datatype in Oracle stores fixed and floating-point numbers which was tricky. Some source tables had columns where Number meant an integer, in other cases it was used for decimal values, while some had really long values up to 38 digits. In contrast, MySQL has specific datatypes like Int, bigInt, decimal, double etc and a bigInt cannot go beyond 18 digits. One should ensure that correct mapping is done to reflect the accurate values in MySQL.

    Partitioned tables needed special handling, since unlike Oracle, MySQL expects the partition key to be the part of the primary key and unique key. Target schema had to be redefined with proper partitioning keys to ensure no negative impact on application logic and queries.

    Default value handling also differs between MySQL and Oracle. For the columns with a NOT NULL value, MySQL determined the implicit default value for the column. Strict mode had to be enabled in MySQL to catch such data conversion issues, as such transactions would fail and show up in the GoldenGate error logs.

    Tools for schema conversion: We researched a variety of tools to assist in schema conversion as well as validation, but the default schema conversion provided by these tools did not work due to our legacy schema design. Even GoldenGate does not convert Oracle schema to the equivalent MySQL version, but instead depends on the application owners to define the schema first. Since one of our goals with this migration was to optimize schema, the database and application teams worked together to review the data types, and did multiple iterations to capture any mismatch. GoldenGate will truncate the value to fit the MySQL datatype in case of a mis-match. We relied heavily on data comparison tools and the GoldenGate error logs to help detect mismatches in data type mapping between source and target, in order to mitigate this issue.

    Data Integrity

    Once the full load completed and incrementals caught up, another daunting task was to make sure the target copy correctly maintained the data integrity. As the data types between Oracle and MySQL were different, it was not possible to have a generic wrapper script to compare hash values for the rowkeys to ensure accuracy. There are a few 3rd party tools which do the data comparisons across databases comparing the actual values, but the total dataset is 10 TB which was not easy to compare. Instead, we used these tools to match a sample data set which helped in identifying a few discrepancies related to wrong schema mapping.

    Test refreshes: One of the ways to ensure data integrity was to do the application testing on a copy of the production database. This was accomplished by scheduling database refreshes from the MySQL production database to test. Considering production was being backed by EBS for storage, a test environment was easily created by taking the EBS snapshots off the slave, and doing a point in time recovery into test. This process was repeated several times to ensure data quality.

    Sqoop jobs: ETL jobs and reporting were used to help with data reconciliation process. Sqoop jobs pulled data out of Oracle for reporting purposes. Those jobs were also configured to run against MySQL. With continuous replication between source and target, reports were run against specific time window on the ETLs. This helped in taking out the variation due to incremental loads.

    Row counts was another technique used to compare the source/target and match them. This was achieved by pausing the incremental loads on the target and matching the counts on Oracle and MySQL. Results from row counts were also compared after full GoldenGate load of the tables.

    Performance Tuning

    Infrastructure: Billing application persisted data in the DC on two Oracle databases residing on very powerful machines, using IBM power 7, 32 dual core 64 bit multiprocessors, 750GB RAM, TB’s storage allocated via SVC MCS cluster which is 8G4 cluster with 4GB/sec interface running with RAID 10 configurations.

    One major concern with the migration was performance, as the target database was consolidated on one i2.8xlarge server, using 32 vCPU and 244 GB RAM. The application team did a lot of tuning at the application layer to optimize the queries. With the help of Vector the performance team was able to find bottlenecks and eliminate them by tuning specific system and kernel parameters. See Appendix for more details.

    High performance with respect to reads and writes was achieved by using RAID0 with EBS provisioned IOPS volumes. To get more throughput per volume, 5 volumes of 4TB each were used, instead of 1 big volume. This was to facilitate faster snapshots and restores.

    Database: One major concern using MySQL was the scale of our data and MySQL throughput during batch processing of data by billing applications. Percona provided consulting support, and the MySQL database was tuned to perform well during and after the migration. The main trick is to have two cnf files, one while migrating the data and tweaking parameters like innodb_log_file_size to help with bulk inserts, and the second cnf file for the real time production application load by tweaking parameters like innodb_buffer_pool_instances to help with the transaction real time load. See Appendix for more details.

    Data load: During POC, we tested the initial table load with indexes in on/off combination and decided to go with enabling all indexes before the load. The reasoning behind this was that index creation in MySQL is single threaded (most tables had multiple indexes), and so we instead utilized Golden Gate’s parallel load feature to populate the table with indexes in reasonable time. Foreign key constraints were enabled during the final cutover.

    Another trick we learned was to match the total number of processes executing full and incremental load, to the number of cores on the instance. If the processes exceeded the number of cores, the performance of those data loads slowed down drastically as the instance would spend a lot of time in context switches. It took around 2 weeks to populate 10 TB in target MySQL database with the full loads and have incremental loads catch up.

    Conclusion

    Though the database piece is one of the most challenging aspects of any migration, what really makes a difference between success and failure is ensuring you are investing in the right approach up front, and partnering closely with the application team throughout the process. Looking back on the whole migration, it was truly a commendable effort by different teams across the organization, who came together to define the whole migration and make the migration a great success! Along with the individual and cross team coordination, it’s also the great culture of freedom and responsibility which makes these challenging migrations possible without impacting business.

    Appendix Database Tunables for Bulk Insert Database Tunables for High Transaction throughput Storage
  • RAID 0 with 5 x 4TB EBS PIOPS volumes
  • LVM to manage two Logical Volume’s (DB and DRBD Metadata) within single Volume Group.
  • CPU Scheduler Tunables

    Linux support automatic numa balancing feature that results in higher kernel overhead caused by frequent mapping/unmapping of application memory pages. One should disable it and instead use numa API in application or via sysadmin utility ‘numactl” to hint kernel on how its memory allocation should be handled.

    VM Tunables File system and IO Storage Metrics

    — Jyoti Shandil, Ravi Nyalakonda, Rajesh Matkar, Roopa Tangirala


    SQL Monitoring and ASH Analytics in Oracle Enterprise Manager: Q&A with Edward Whalen | killexams.com real questions and Pass4sure dumps

    Sep 20, 2013

    Edward Whalen, an Oracle ACE and the Chief Technologist at Performance Tuning Corporation (www.perftuning.com), was recently featured in an Oracle Enterprise Manager SIG webinar about Oracle Enterprise Manager 12c. Here, he shares his thoughts about the significance of the features provided in the latest release of Enterprise Manager and why they are important to Oracle users.

    Why are you interested in Enterprise Manager 12c?EW: Oracle Enterprise Manager Cloud Control is the latest and greatest Enterprise Manager product from Oracle. In terms of lifecycle management, in terms of managing the database, and in terms of just managing the whole enterprise, it has got some great features.

    In the webcast, I focused on the performance management tools within the Oracle Database, which are ASH Analytics and SQL Monitoring. The reason I was asked to participate is that Oracle Press actually just published a book that I wrote on this topic with my colleagues, Michael New and Matthew Burke, titled, “Oracle Enterprise Manager Cloud Control 12c Deep Dive.”

    Do you use Enterprise Manager?

    EW: I use this technology all the time. I am a database consultant and I mainly focus on performance problems as well as implementations and data migrations, so I use technologies such as Oracle GoldenGate, Data Guard, and Oracle RAC. Oracle Enterprise Manager Cloud Control 12c really provides a lot of capabilities for managing these features of Oracle and gives you the ability to not only manage but monitor and set up alerting. I implement, configure and manage Oracle Enterprise Manager 12c for a number of customers. I love Oracle Enterprise Manager 12c. I am a huge fan of the product.

    Do your customers find it helpful?

    EW: It is extremely useful. The database administrator’s main task in life is to keep the database up and running. So being able to set up proactive alerts and proactive monitoring and pinpoint when something is happening before the user community is calling to complain about it, is really essential to DBAs in order to provide a really great level of service for their customers and end users.

    How did Oracle Enterprise Manager 12c evolve as a product?

    EW: The 12c version of Oracle Enterprise Manager actually came out a full year before the 12c version of the database. The version 12c of Enterprise Manager doesn’t require the 12c version of the database and, in fact, 12c can manage and monitor not only 12c databases but 11g databases, 10g, 9i, and so forth. Prior to Oracle Enterprise Manager Cloud Control, the product was called Oracle Grid Control. Version 10 and version 11 of Oracle Grid Control have been out there for awhile and then with version 12c, Oracle named it Cloud Control.

    The new feature for performance monitoring and performance tuning is a feature only available in Oracle Enterprise Manager called ASH Analytics.  ASH stands for Active Session History so ASH Analytics is what I covered in the webinar – showing how it allows you to dig into what is actually happening in your system on a per-session level even to the point of allowing you to isolate which session and which SQL statement is using the most I/O, or has the greatest CPU utilization, or which ones are holding the most locks.  I am able to dig into those details with the ASH Analytics tool and that is a new feature that was not available in the earlier versions of Grid Control.

    How long have you been a member of the IOUG?

    EW: More than 15 years.

    What has your experience been?

    EW: I love the IOUG. I especially like the IOUG presentations at COLLABORATE because they provide more of the actual down and dirty database administration – really technical information. If you want to learn something about Oracle products and learn about how the DBAs work and what kind of things they run into, you tend to find more about that at COLLABORATE.

    What is it that you will be looking for more information on at Oracle OpenWorld this year?

    EW: I am mainly looking forward to getting more information about the new features in Oracle 12c Database. I also work quite a lot with Oracle GoldenGate and I know they are making a lot of improvements there, so I am planning on attending a few of those sessions as well.

    View the replay in the IOUG EM SIG Community’s File Library.  You must login with your IOUG user name and password.

    Join the IOUG at Oracle OpenWorld 2013.


    Solo travel to California | killexams.com real questions and Pass4sure dumps

    Article Views: 76

    By COCONUT TALES Everyone needs a pit-stop every now and then – to rejuvenate, refresh and recharge the batteries.It was a bright sunny day in Port Moresby and I had a warm fuzzy feeling about me – a tingly feeling that I was about to escape temporarily from the 9-5 rat race and travel solo to California.I packed my essentials in a bag. The trustworthy sky blue Caribbee that had travelled with me everywhere had been nibbled on by bandicoot-size rats at 5-Mile in Port Moresby.The plan was to buy a new suitcase in Brisbane, Australia. I thought I’d go easy on myself and buy a new suitcase in a city where I was more familiar with versus coping with being overwhelmed as a first time solo traveler and attempting to locate a shop that sold suitcases in a city as large as Los Angeles.Port Moresby disappeared beneath me as the plane soared over the Coral Sea to Brisbane. I put my face against the window on the Qantas aircraft and let the afternoon sun rays dance on my face as I closed my eyes.The two days stay in Brisbane began each day with an early morning run and then slow walks to book stores after a long bath and brunch. I love reading books and it had been a very long while since I had read a good book. I missed reading a good book, turning over each leaf in anticipation as Danielle Steele or John Grisham took me on an adventure.The books and a cup of latte kept me company at the Brisbane International Airport as I waited for QF 15 to take me from BNE to LAX direct.In front of me, a sports team of young kids were chatting excitedly. “I can’t wait to go home to a long shower. A California shower,” said one girl. Some more kids were taking photos with someone who from afar seemed like a celebrity.I took a closer look. It was Danny Glover of Lethal Weapon fame. “Funny we meet him for the first time for a photo and it’s not in America,” chuckled one of the kids. I quickly Googled to see what Danny Glover was doing in Brisbane. One headline read “Lethal Weapon Star catches footy match amid union campaign’ while another, “Unions recruit Danny Glover as lethal weapon in work rules campaign’.Super excited, I stayed awake throughout the 13-hour flight.“We will begin the decent to Los Angeles in 10 minutes. It’s a cloudy day today, 28 degrees out. Welcome to Los Angeles, ladies and gentlemen,” the pilot announced. I looked at my watch. It was 10.40 pm in PNG.I spent a few days in Los Angeles. I filled the days sipping fresh watermelon juice at the Olvera Street Market in downtown LA (a hanging ceramic string of garlic, capsicums, onions and chilli decorative piece of Mexican inspiration, now hangs in my kitchen to mark the moment), shopped at Third Street Promenade, visited Hollywood, hiked the Runyon Canyon, went on location to Dodger Stadium where in the beginning of Fast and Furious, Brian O’Conner (late Paul Walker) tests out his racing skills with the downtown LA skyline in the background. Brian returns with the rest of the ‘familia’ in Furious 7 as they discuss how to take down Jakande on their own turf. I took so many photos.I liked the service rendered to us at the Hard Rock Café in Hollywood where we had lunch.“Hi my name is Steve and I’ll be your servant. I can give you a few minutes to go through the menu, just let me know when you’re ready to order. I’ll be right over there,” said Steve the waiter as he pointed to the service counter.“After you’ve ordered, you can take a look around. This place is like a museum,” he added. A large frame held one of MC Hammer’s boots. I am an ‘80s kid and remember singing along to ‘You can’t touch this’ and ‘2 legit, 2 quit’ in primary school.I also took long drives with an old friend along Sunset Boulevard, Hollywood Boulevard, Beverly Hills and Bel Air – just talking, about everything and anything, ooh-ing and aah-ing over the mansions and randomly tailed behind some rich people to see which mansion they lived in. It was interesting how many mansions had very tall (and neat) garden hedges at five to ten metres high. I think they wanted privacy from prying eyes from the public, like mine.“OJ Simpson’s house is on this street,” my friend said. We turned into the street. “I’m not sure if it’s this house or that house,” she said pointing to two houses. “Does this look OJ Simpson-ish to you,” she asked vaguely, pointing to a house as we slowed down and peered past the large garden and stylish picket fence. A lone apple tree blocked our view partly.‘How is an OJ-Simpson house supposed to look like? Can’t tell,” I supplied. We looked at each other and burst into laughter until tears welled in our eyes.That ended our ‘mansion stalking’ and with the sunset and Hollywood sign behind us, we drove to the ‘Venice of America’, famous for its man-made canals. We took a walk along Muscle Beach and watched performers and skateboard enthusiasts along the boardwalk.My friend had taken me to Islands Restaurant one evening, some minutes away from Venice Pier in Marina Del Ray. The burger chain gets its menu inspiration from Hawaii and is known for the finest burger fix, cool happy hour deals and tropical drinks. My friend’s daughter had challenged me to try a ‘double double animal farm’ burger from In and Out. She was determined the fries were better at In and Out.We drove by an In and Out for burgers to complete the burger challenge. The burgers, fries and free endless drink refills from Islands Restaurant tickled the taste buds better.I had planned to ride the Mega Bus from Los Angeles to San Francisco but my friends said there was really not much to see on the drive and recommended I fly to SF.It cost me 80 dollars (about K190) for an airline ticket. I said goodbye to Los Angeles one evening and boarded an American Airline flight for San Francisco. I enjoyed the free wifi in the plane – I thought that was pretty cool for a domestic flight that was only a little over an hour. I hope someday soon Air Niugini can introduce free inflight internet wifi.Our government leaders travel all over the world, I thought to myself. Don’t they see these sort of services and want to take the idea back to our country? It’s hard to comprehend.While Los Angeles is very spread out, San Francisco is a neatly packed hilly city.When you ride a cable car over the hill, the whole city is tossed out in front of you – the iconic bright orange Golden Gate Bridge that spells out San Francisco, half immersed in fog and clouds welcomes you while Fisherman Wharf and Pier 39 wait at the bottom of the hill near the ocean. It is a beautiful city.San Fran or Frisco as it is fondly known by locals is easy. However, easy can be overrated. San Fran is expensive and like many other cities around the world, there are many homeless people (homeless but harmless).One place I always wanted to visit was the Silicon Valley. I explored Silicon Valley on a Tuesday with a friend.To me, Silicon Valley is a big village where simple ideas become million-dollar innovation that give birth to large corporations. It is the home of high technology and social media.Isn’t it amazing that these simple ideas came from a group of friends or nerds who were failing classes?Airbnb started when three friends turned an air mattress in their apartment into a $25 billion company. Uber is an app that has changed how the world hails a taxi. Uber is now worth more than $60 billion.I had visited the Airbnb and Uber headquarters (well, from the outside) in San Francisco. Hewlett and Packard (the makers of the HP laptop and computers) began with a one-car garage and $538 in capital.These stories come alive when you visit the Silicon Valley. There is an enterprising vibe around this place.My friend and I parked outside the Facebook headquarters at Menlo Park. We looked for a car park ticket machine to pay for parking but couldn’t see one so we decided to ask a group of young men standing under a white canopy. “Err… no this is all private property so you don’t pay for parking. The only place that’s open to the public is the Facebook like sign near the highway. Instagram’s on the other side,” was the answer we got.We thanked them and stood in the middle of the gardens and looked around. My eyes searched for the ‘young computer geeks with backpacks who rode bicycles to work’ that I often read about. There was a bicycle rank near the reception and yes, young people were coming and riding off in their bicycles.We took photos near the Facebook like sign and thought we’d chance our luck at the reception. A very casually dressed man greeted us inside the reception area and asked in a sing-song voice who we wanted to see. We said we were only taking a look around.“I’m sorry, you can’t go beyond that door unless you know someone who works here who can take you through,” he smiled apologetically. Beyond the glass door was a garden that led to more offices and I think more surprises!We walked out the reception and I asked the black American bouncer outside if I could take a picture at the entry to the reception. “I’m sorry sweetie, you aren’t allowed to take photos here but I could just turn my back and pretend I didn’t see you and you can take a quick photo in say 20 seconds?” he said. A quick-smile-for-the camera later, we thanked him and went on our way.The Google headquarters and campus (Googleplex) reflects the company’s philosophy, which is essentially ‘to create the happiest, most productive workplace in the world’. Some buildings, tables, benches and canopy are splashed in the Google colours of blue, red, yellow and green.There’s no place quite like Google with its fleet of hundreds of bicycles in blue, red, yellow and green that are available in all sizes to pretty much anyone who wants to ride and have a look-see around the campus.We passed by some Google employees playing beach volleyball while some were stretched out on the lawn on yoga mats.It seemed like the kind of work place where employees would look forward to coming to work at every day.Google’s garden of Android sculptures are spread out on the lawn. The sculptures or statues are versions of Google’s Android mobile operating system which are named after desserts and sweet treats such as Jelly Bean and Gingerbread.Silicon Valley is also home to other big corporations such as Apple, HP (Hewlett-Packard), Oracle, Amazon, Wells Fargo and Chevron.When people discuss Silicon Valley, the next thing they typically mention is Stanford University. The university is located in the heart of Silicon Valley and the relationship between the pair go a long way back in history.The presence of Stanford University was a key factor in the development of the technology enterprise now known as Silicon Valley. Stanford University is a private research university, dedicated to finding solutions to big challenges.I discovered so many new things on my trip to California. Travelling solo is awesome. It is a great stress buster, enhances creativity, makes me mentally resilient and helps me re-invent myself. I can’t wait for the next solo trip!

  • Freelance writer, Larina Makis, loves storytelling and writes stories of travel and true life stories for her blog Coconut Tales.
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