DevOps-SRE study help - DevOps Site Reliability Engineer (SRE) Updated: 2024
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Exam Code: DevOps-SRE DevOps Site Reliability Engineer (SRE) study help January 2024 by Killexams.com team
|DevOps Site Reliability Engineer (SRE)
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DevOps-SRE DevOps Site Reliability Engineer (SRE)
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When of the following BEST completes the definition of a canary release?
A new set of features 6 releasedâ..
A. using a roiling wave technique
B. first to a small group of users
C. to one small group after another
D. first to a trial test environment
Reliability is a key pillar to digital experience monitoring and the management of incidents.
Which of the following describes the BEST type of reliability monitoring strategy in SRE?
A. A strategy that uses traditional and familiar monitoring toots rather than advanced artificial intelligence
B. A strategy that instruments observability and provides monitoring insights across an components and layers
C. A strategy that focuses on monitoring and discovering useful patterns and the performance of all active networks
D. A strategy that harnesses advanced technologies to measure, analyze, and maintain the fitness of applications
Which of the following BEST describes capacity planning?
A. Monitoring the percentage of capacity of resources being used over a time period
B. Activities performed to manage provider resources and provide multiple services
C. Activates used to create a plan that manages resources to meet service demand
D. Determining the maximum amount that any resource can accommodate or deliver
Which or the following B6ST identifies a desired objective of the production reachless review (PRR)?
A. To ensure the service is ready for an SRE team to take over support and care for it
B. To Improve the reliability of the service in the development and testing environment
C. To validate the service meets international quality standards and frameworks
D. To ensure the service owner transitions operational accountability to the SRE team
Which of the following is the MOST accurate description of Kubemetes?
A. A proprietary system developed to automate the integration, building, testing and deployment of application
B. An independent platform mat enables organizations to implement continuous integration and delivery practices
C. A platform used to manage containers in a cloud environment and also includes automated scaling and failover
D. An open-source operating system on which containerized applications can be run monitored and managed
Which or the following BEST describes a business continuity plan?
A. The way me organization maintains operations during a disaster
B. The way mat data, flies applications, and systems are restored
C. The activity of returning a configuration item back to normal
D. The management of risks that seriously affect the organization
When outages are repetitive and similar they become a form of toll.
Which or the following describes the MOST compelling reason to adopt advanced technologies and artificial
A. To increase reliability by reducing MTTR and MTRS
B. To increase the mean time to repair services (MTTR)
C. To increase the mean tune to restore services (MTRS)
D. To increase reliability and achieve perfect MTRS
Identify the missing word(s) in the following sentence.
Site reliability engineering is a_________approach to IT operations.
A. ....structural engineering....
B. ....security engineering....
C. ....software engineering....
D. ....simulation engineering....
A. 1 and 2
B. 2 and 3
C. 3 and 4
D. 1 and 4
Which scenario BEST illustrates the swarming concept used during incident management?
A. An incident analyst rote escalates by assessing a consolidated list of next-level support teams and their area of
B. A high-level specialist support team constantly reviews their incoming incident queue to respond instantly to
C. A mid-level support team continually monitors escalated incidents to assigned teams to ensure they are making
D. A group of specialist teams meet and review a queue of escalated incidents to determine who should work on which
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Consumer Reports surveys its members about their car reliability experiences and owner satisfaction, empowering shoppers to make informed decisions backed by deep data. The reliability ratings show how well vehicles have held up and the odds that an owner could be inconvenienced by problems and repairs. And owner satisfaction reveals if a vehicle met expectations. We present highlights here with best and worst lists, and brand perspectives. Specific details can be found on theÂ car model pages.
Updated January 5, 2024
The latest weight loss craze could also help people control their drinking.
Semaglutide treatments such as Ozempic and Wegovy have been shown to reduce the symptoms of alcohol use disorder (AUD), according to a study published in The Journal of Clinical Psychiatry on Nov. 27.
The collaborative study from The University of Oklahoma (OU) and Oklahoma State University (OSU) found a âsignificant and noteworthy decreaseâ in the Alcohol Use Disorders Identification Test (AUDIT) scores of six patients who were receiving semaglutide treatment for weight loss.
Lead study author Dr. Jesse Richards, director of obesity medicine and assistant professor of medicine at the OU-TU School of Community Medicine, said the study was inspired by his conversation with Dr. Kyle Simmons, professor of pharmacology and physiology at the OSU Center for Health Sciences.
âI had been hearing from a significant number of patients that their alcohol intake was spontaneously decreasing while [they were] on the medication,â Richards told Fox News Digital.
As a bariatric surgery clinic employee, Richards noted that itâs standard to screen patients for alcohol use.
At the clinic, a number of patients tested positive for alcohol consumption, sometimes in concerning amounts.
Later, while on semaglutide medication, they reported reduced alcohol intake.
One of Richardsâ patients â who previously drank large amounts of alcohol â shared a new inability to drink more than two cans of beer now because it âjust doesnât sound good.â
This response piqued Richardsâ interest in learning more about patientsâ aversion to alcohol, which directly correlated to his research.
Research has shown that this effect is âmediated through adjustments in the reward pathway in the brain,â he said.
âThe GLP-1s are actually modifying dopamine, decreasing the craving and decreasing the motivation to acquire things in that compulsive intake category.â
The most surprising takeaway from the study, Richards said, was that the same significant treatment response was seen even at very low doses.
âWe found that even patients on the lowest dose of semaglutide â a quarter milligram â had a quite significant and relatively âŠ quick onset reduction in alcohol intake,â he said.
Of the six patients studied, all but one were on low doses â from a quarter to a half milligram.
âAnd thatâs very encouraging because we know that the lower doses of these medications are tolerated much better,â said Richards.
While the results seem promising, the doctor said he does not recommend that patients use semaglutide treatments for alcohol use disorder at this time, due to supply and safety issues.
âIf patients have [obesity and diabetes] indications for the medication and they also struggle with alcohol intake âŠ having them on this treatment may potentially be beneficial,â Richards said.
âBut because there has been a global medication shortage, and because we donât have prospective trials and donât know what the specific safety is versus the well-established safety data in obesity and diabetes, [I] would not recommend it just for patients who have AUD.â
There are three FDA-approved drugs available for alcoholic use disorder that are currently underused, the doctor noted.
Given that five million people in the U.S. are currently taking semaglutide medications, if it is proven that those drugs have a significant effect on alcohol use disorder, âby default, they are going to become the most widely used drug to Improve these symptoms â just by virtue of the fact that so many people are on them for diabetes or obesity,â Richards noted.
He confirmed that additional research is underway with two ongoing trials.
âSince we were able to show clinically meaningful reductions in alcohol intake and AUD symptomatology in a real-world setting, that bodes very well for these types of medications,â he said.
Looking ahead, Richard said there is a need for higher-quality evidence of the medicationâs impact on AUD compared to placebo drugs or environmental factors.
Even though itâs unclear whether GLP-1 producers will market the medication to AUD patients in the future, Richards said this could become an âestablished medical practice once the safety and efficacy has been determined.â
For patients who struggle with AUD, Richards recommended they talk to their health care providers about available treatment.
He also alerted patients that if they experience a reduced appetite and usually consume âa bunch of caloriesâ in alcohol, it may be necessary to look into a more balanced diet.
Avantika Waring, 9amHealthâs chief medical officer and a trained physician and endocrinologist in San Francisco, applauded the OU and OSU study findings for further supporting what clinicians âare already seeing in practice,â she told Fox News Digital.
âGLP-1 medications have a lot of effects that we are still learning about, and the ability to decrease cravings and the reward signals related to alcohol use are just some of the benefits,â she said.
âItâs an important starting point for further clinical trials,â she added.
Waring also warned that GLP-1 medications should not be used to treat AUD specifically, as they can cause side effects such as nausea and changes in appetite.
âPeople struggling with alcohol use disorder should consult with their physicians before starting GLP-1 medications to make sure that they can stay hydrated and safe on therapy,â she said.
Waring noted that if ongoing clinical trials find semaglutide treatments to be effective for AUD, the medical community will âhave another tool to help people living with alcohol addiction and weâll see expanded use of these already popular drugs.â
Fox News Digital reached out to Novo Nordisk for comment on the potential link between semaglutide medications and alcohol use disorder.
They say that there's no sense in crying over spilled milk. But what do they know? Crying can get you another glass of milk if you do it loud enough. Plus,Â crying may serve a real physiologic purpose,Â according to a study published recently in Emotion, meaning the journal and not in an Emo-kind of way.
For the study, three researchers from the University of Queensland (Leah S. Sharman, Genevieve A. Dingle, and Eric J. Vanman) and one from Tilberg University (Ad J. J. M. Vingerhoets) recruited 197 female undergraduate students. They said that they choose all women rather than including men because pilot testing of sad videos had revealed that more women than men cried or at least more women revealed that they were crying. This did not account for the men who cried inside or used some bro-language or high fives to hide the crying.
The research team then showed each of the study participants either a video that are supposed to make them feel sad (sad videos) or a video that was not supposed to elicit any emotion (neutral videos) like something from a documentary or a ted talk. Each video lasted for close to 18 minutes. After the video, the researchers noted whether or notÂ each participant had cried while watching the video. Ultimately, 65 participants watched the neutral video, 71 watched the sad video and cried during it, and 61 watched the sad video and did not cry. Presumably, no one cried during the neutral video. But then again, actor Bryce Dallas Howard was able to cryÂ whenÂ Conan O'Brien talked about Home Depot in thisÂ ConanÂ clip:
Then, each participant underwent a Cold Pressor Stress Test (CPT), which involved placing the participant'sÂ left hand, up to the wrist, in cold 0Â° toÂ 5Â°C water. Unless you are the Iceman or Killer Frost, this is supposed to be painful. The research team measured how long each participant could stay in this position until pullingÂ her hand out of the water. During the study, the research teamÂ continuouslyÂ measured each participant's heart rate and respiratory rate and periodically measured cortisol levels from saliva samples. Cortisol is a stress-hormone that's produced by the body.
Also, at four points during the study, participants answered questions from the Positive and Negative Affect Scale short form (PANAS). These questions asked the degree to which the participant was experiencing ten different emotions and to rank each on a five-point scale that ranged fromÂ aÂ one (very slightly or not at all) to a five (extremely).
When it came to cortisol levels and how long the participants could keep their hands submerged in the cold water, the study ended up finding not much difference between the neutral video watchers, the sad video non-criers, and the sad video criers.Â So if you are about to dunk yourself in cold water or take a cold shower, it may not help to cry first.
But here'sÂ a difference that the study found. Are you ready? Take a deep breath. The difference was breathing rates. While watching the videos, the non-criers tended to have elevations in their breathing rates, whereas, by contrast, the criers tended to maintain their initial breathing rates. In other words, tearing up could have helped participants better control their breathing rates. This provides further evidence that crying may help you better regulate arousal, serving as an emotional release.
Another interesting finding was that right before crying, participants tended to experience decreases inÂ their heart rates, seemingly in anticipation of the crying. Once the crying began, their heart rates then tended to creep back up but not above where their heart rates had been before everything began. This may be further evidence that crying has a beneficial regulatory effect on your physiology.
So perhaps next time you start crying you can tell people that you are regulating your physiology. You've probably heard of people saying that they had a good cry and feel better after they've let the tears flow. It can be important to find reasonable ways to periodically release your emotions. Otherwise, you may end upÂ bottling everything up like a hot air balloon that can explode when you least expect it.
Moreover, crying can be a way of communicating. It's really the only way that babies can express their needs before they learn how to say things like "why you throwing shade on me," or "I'm not Gucci." Crying can help communicate to others that you need more sympathy, comfort, or help. Of course, this can be misused. You don't want to cry every time your order at a restaurant doesn't come out right. And of course, there is the whole concept of crocodile tears: people crying to get something when they don't really mean it.
Crying can also be a way of communicating with yourself. Even when you cry alone, you may be telling yourself about your own state because, like many people, you could be terrible at reading your own emotions and situation. Tears could be your body's way of saying, "hey, take a break," or "something's not right," or "take care of yourself."Â Tearing up can then be a way of your body literally crying out to you.
Your body is a complex system. Crying can be complex. Your tears can flow when you are very sad, very angry, or even very happy. Better understanding what causes us to cry and what happens as a result could help us better handle our emotions and stress.
A new study suggests getting that cute dog in one's more mature years might be a good idea after all.Â
Researchers from the Sun Yat-sen University in Guangzhou, China, found that pet ownership can be associated with slower rates of developing dementia.Â
The study, published on Tuesday in JAMA Network Open, determined that owning a pet made a difference in verbal memory and fluency among adults who lived alone.
The study's author, professor Ciyong Lu, said in the study that slower rates of declining verbal memory and fluency were seen in those who lived alone â but not in those who lived with others.
"Pet ownership offset the associations between living alone and declining rates [of] verbal memory and verbal fluency," he said.Â
The research involved more than 7,900 participants over the age of 50, with roughly 35% of them owning pets and 27% of them living alone.
In the study, Lu said that those living alone with a pet showed slower rates of developing signs of dementia.
"These findings suggest that pet ownership may be associated with slower cognitive decline among older adults living alone," he said.
"Contrary to living alone," the authors also wrote, "pet ownership (for example, raising dogs and cats) is related to reduced loneliness, an important risk factor for dementia and cognitive decline."
Lu said that clinical trials will be necessary in order to confirm the study's findings.
Currently, more than 55 million people worldwide have dementia â with nearly 10 million new cases each year, according to the World Health Organization (WHO).Â
Alzheimer's disease is the most common form of dementia, which is currently the 7th leading cause of death, the WHO also notes.Â
Early symptoms of dementia include forgetfulness, being confused, losing track of time, misjudging distances, feeling anxious, personality changes, inappropriate behavior and more.
There is currently no cure for dementia or for someone developing signs of dementia, but the WHO suggests that staying active and continuing to stimulate the brain may help.
Fox News Digital reached out to Lu for further comment.Â
A study published in this monthâs Journal of the American Medical Association, or JAMA, found that tonsil and adenoid surgery in children with sleep difficulties due to snoring may help them with daytime issues such as behavior challenges and overall quality-of-life. The study was a randomized clinical trial of over 400 children with large tonsils and adenoids causing snoring and breathing issues during sleep.
The investigators randomly assigned half of the children with these issues to have their tonsils and adenoids removed, and the other half to undergo âwatchful waitingâ over a 12 month period. The study group, based out of multiple institutions in the U.S., evaluated several metrics of behavior and quality-of-life both before study enrollment and 12 months later. The study format was approved by institutional review boards at each of the investigation treatment sites.
The two groups of children, with an average age of six years, were assessed before study enrollment and 12 months later for improvement in behavior, focus, executive function and quality-of-life. Those who had their tonsils and adenoids removed were found to have improved quality-of-life, which was analyzed in parental questionnaire format based on standardized pediatric quality-of-life measuring tools, as well as improved behavior, also based on standardized measuring parameters, compared with those who did not undergo tonsillectomy and adenoidectomy surgery. However, the investigators found no difference between groups when measuring for changes in executive function and attention.
As is well documented, children who have sleep issues due to snoring, known as sleep disordered breathing, can have problematic daytime behaviors including focus issues and learning challenges. Snoring and mild sleep apnea disrupt sleep cycles and depth of sleep in both children and adults, whereby what seems like a full nightâs sleep may be functionally just half a nightâs sleep if the sleep quality is poor. Some children who snore have issues of sleepiness, but itâs actually more common for sleep-deprived kids to be âtired and wired.â Many of these children have been over-diagnosed with attention deficit hyperactivity disorder, or ADHD.
Dr. Ron Mitchell, Professor of Otolaryngology and Pediatrics at the University of Texas Southwestern, is a co-author and site principal investigator for the study. He notes that âparents should look for daytime symptoms of attention and concentration problems, sleepiness and poor school performance...over a 3 month [timeframe in a child] who is snoring at night.â If these issues are getting worse, he recommends that âthey should be evaluated by their pediatrician and considered for an ear, nose and throat evaluation.â
The study authors have some explanations as to why there was no discernible difference in executive function and attention in this group of children who had their tonsils and adenoids removed. One possibility is that cognitive testing in certain environments such as a testing center may not reflect real-world situations that could be impacted by sleep quality. In addition, there could have been other factors in the childrenâs lives, such as other medical conditions or learning differences that may have impacted the degree of change in test results from before to after surgery.
And while study data and clinical trials enhance our knowledge of medical conditions and their treatments, results should not be wholly used to guide care in all individuals. As Dr. Mitchell states, âClinical trials provide us with helpful data and can direct care. However, the decision to proceed with surgery is best done on a case by case basis.â
In exact years, there has been more awareness and understanding of how sleep quality, not just quantity, can impact a childâs ability to focus, learn and regulate behaviors. The results of this new study underscore the importance of identifying and addressing issues of sleep quality and how it may or may not impact a childâs daytime function on multiple levels.
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