CISY312TestIII
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Virginia State University
Reginald F. Lewis College of Business
Computer Information Systems
Operating Systems Administration (CISY 312) Online – Asynchronous
Test III (30 Points) - Linux System Administration and Resource Management
Keynote: DO NOT ignore the recommended TEXTBOOK (Linux Fundamentals-Paul Cobbaut (Complete Text)) for this Test. Read and ensure that you practice as instructed in the last reading and practice exercise. (
Test Hint: Try every command/answer/response on your Lab VM environment before typing your final answer
in this Test).
Chapter 37 - 38: Introduction to Processes
1.
What is a process in a Linux system? A process is nothing but a program in execution. A running instance of a program is called as process Whenever
a command is executed in Linux, it creates a new process.
2.
Specify the process name and its PID; which is the first process started by the kernel at boot time?
Init is the first process started by the kernel at boot time. The kernel, once it is loaded, finds init in sbin folder and executes it. When init starts, it becomes the parent or grandparent of all of the processes that start up automatically. As init is the first process designated, the process id i.e. PID=1.
3.
Services that start at system boot time and continue to run until the system shuts down are called what in
a Linux environment?
The services that start at system boot and run till system shuts down are also as Daemons . They will keep running in the background and do their job till shutdown. They are system-related background processes that often run with the permissions of root and services requests from other processes.Most of the time they run in the background.
4.
How much resources and CPU time do the Zombies’ processes take? After completing its execution a child process is terminated or killed. But at times even when the parent process
is killed before the termination of the child process,the child processes become orphan processes, with the parent of all processes “init” process,becomes their new parent. A process which is killed but still shows its entry in the process status is called a zombie process. They are dead and but also not used. A zombie process does not consume CPU and resources.It is simply exists as it gets automatically deleted once init gets stopped
5.
Why would you prefer the “top” command to the “ps” command to look at processes?
ps represents "Process Status"- It provides a snapshot of current processes and it's not in real time and top represents "Table Of Processes".It is a task manager program displays information about CPU and memory utilization in real time till continuously till stopped. top command is mostly used interactively and ps is for non-interactive use. As we need to what are the process that are currently running we prefer to use top command rather than ps command which only provides processes that did when ps command executed.
6.
Show the commands to find the PID of a running program Nginx and kill the process using the PID.
Virginia State University
Reginald F. Lewis College of Business
Computer Information Systems
Operating Systems Administration (CISY 312) Online – Asynchronous
Nginx-t
Nginx-k
Chapter 43: Introduction to storage
7.
An Ubuntu server has three hard disks. The first hard disk is known as/dev/sda, and the second to third will likely be known as: /dev/sdb , /dev/sdc
8.
Type the command with the option that best lists the attached block devices in question 7 (Hint: the command is also used for managing partitions)?
Fdisk-1
9.
List all block devices on the computer (not using ls)?
sudo fdisk -1 or df -h
Chapter 56 - 58: More Linux System Management
10. A runlevel is an operating state on a Unix-based operating system that is preset on the Linux-based system. If runlevel 6 is a reboot, then what is runlevel 0?
shut down 11. To see the init scripts running in runlevel 2, execute the ls command under what directory in /etc.
ls -1 /etc/rc2.d/
12. What full command syntax will enable the apache5 service
to start at boot time and stay active automatically?
# systemctl enable ssh.apache5
13. What will be the full systemctl
command syntax to view the unit files available in the system?
# systemctl status ssh
14. The at
command (scheduling) is no longer installed by default, so how can it be installed?
Virginia State University
Reginald F. Lewis College of Business
Computer Information Systems
Operating Systems Administration (CISY 312) Online – Asynchronous
apt -get install at
15. What will you do to deny all users the use of at (scheduling)
Touch/etc/at.allow
16. Type the full command syntax to remove at
(scheduling) from your system.
Crontab-r
17. Give the command syntax to display the total amount of memory, the used memory, the free memory, and the cached memory.
free -m
18. Give the command syntax that will display the memory map of the init process.
pmap -x 1
Chapter 62 - 64: Introduction to Networks
19. Name the largest TCP/IP network.
The Internet.
20. Name the four TCP/IP layers from top to bottom.
The four TCP/IP layers from top to bottom are the application layer, the transport layer, the network layer, and the link layer.
21. In which layer do we find IP addresses?
The network layer. 22. Which device makes decisions based on IP address?
A router.
23. How are applications defined in TCP/IP?
Applications are defined in TCP/IP by using a four-layered model. The model includes a physical layer, a data link layer, a network layer, and a transport layer. Each layer has its own set of protocols that define how data is formatted, addressed, and transmitted
24. A message to all members of a group is a . . . ?
broadcast message.
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Related Questions
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physically in a shop. You were happy to receive this invitation and you
accepted their call to attend the interview. During the interview session, one of
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manner will help you secure the job. The context and depth of your discussion
will be added advantage as it will portray your knowledge and understanding
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Identify the wrong statement in the following
options.
Standards create confidence to
manufacturers and users
O Standards provide communication
losses
Standards protect the consumer
interests
O Standards provide economic production
methods
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One of the objectives of CRM software is to capture data about every contact the company has with a customer and to store it in the CRM system.
Do you think customers might be concerned with this practice? Why or why not? What are the advantages that CRM software offers to the customer?
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the statement is correct and FALSE if the statement does not fit the description.
of paper, write TRUE if
1. A customer is a person or organization that transacts with a
business person or business organization to buy goods or services for monetary or
other valuable considerations.
2. Customer Relationship Management can take on many
forms-salespersons assistance, product delivery, technical advice, help desks, or
other means.
3. Companies can best manage customer service quality by
establishing service objectives with specific and measurable targets.
4. Customer service is a process of managing an organization's
interactions with current and future customers.
5. By Knowing the value or worth of its customers, a company
can focus its resources in attracting and keeping the "right" type of customers.
6. The customers are the lifeblood of any business.
7. The business is the one responsible for sealing the deal with
customer.
8. A customer's lifetime value can be based upon the potential…
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Articles and books that were
written thirty or even forty
years ago should not be
included in the literature
review. *
False
True
O O
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(Please give a detailed answer. Thank You!)
Who is allowed to perform point-of-care testing? What type of training is required?
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Which of the following tasks are within the purvey of a Social and Community Service Manager? They help manage personnel
who provide direct services. Select all answers that apply.
A
They will work closely with the broader community to understand their needs, perspectives, and desires as they
relate to the social or community service that is provided.
They help manage personnel who provide direct services.
They will coordinate meetings with community members, funders, or leadership.
E
They coordinate hypothesis testing efforts within and across organizational efforts.
Coordinate and supervise programs and organizations that support the well-being or interests of the community
being served.
F The provide psychotherapeutic services.
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Note:-
Do not provide handwritten solution. Maintain accuracy and quality in your answer. Take care of plagiarism.
Answer completely.
You will get up vote for sure.
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1. Are there ethical issues associated with self-driving cars?
2.
3. How would you program your car to respond in the case of crashes? Why?
4.
3. How would you want others to program their car in the case of crashes? Why?
4. Are there any differences between your answers for question 2 & 3? If there are,
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Op1.
Which Capability Area contains practices that would be a useful start for an organization that is struggling with understanding the status of their work?
Planning and Managing Work (PMW)
Selecting and Managing Suppliers (SMS)
Managing Business Resilience (MBR)
Supporting Implementation (SI)
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(a) hazrd (b) onsequence (c) risk (d) risk assessment (E) layers of safety measures
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Give typed full explanation
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V1
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Imagine that you are a new employee in the engineering organization of a large camping equipment and outdoor furniture manufacturing firm. The company is considering implement[1]ing a PLM system to better manage the design and manufacture of its products. You have been invited to a meeting to share your thoughts on how such a system might be used and what capabilities are most important. How would you prepare for this meeting? What points would you make? Develop a presentation containing three or four slides that summarize your thoughts.
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What are the effects of the Health Insurance Portability and Accountability Act (HIPAA) on electronic data interchange (EDI)? (Select all that apply.)
Privacy requirements
Security requirements
Standardized code sets
Generation of paper trails
ANSI requirements
Increased cost of transactions
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of 50)- Google Chrome
om/mod/quiz/attempt.php?attempt3D18198298&cmid%3D879267&page%3D15
ING SYSTEM (ACADEMIC)
Time left 0:57:59
Six Senses Spa at Al Bustan Palace Hotel's staff aim to delight each customer. They are quick to offer extra services whenever a
customer is anything less than satisfied. They strive to make every customer a repeat customer. It is most accurate to say that
instead of focusing on each individual transaction, the Six Senses Spa employees put a priority on
O a. securing a greater share of customer
O b. targeting rich customers
O c. capturing customer lifetime value
O d. enlisting customer ambassadors
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I need this please....
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Select the correct answer.
Which concurrent testing method helps calculate the visibility of an outdoor advertisement?
A.
interview test
B.
passers-by count test
C.
telephonic survey
D.
speech test
E.
interactive test
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Information conversation takes place only in conferences.
Select one:
True
False
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---- is a device or situation that replicates job demands at on the job site
Question 9 options:
Brainstorming
Simulation
Artificial intelligence
Transactional analysis
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Quiz: BUA203 Midterm Exam
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es/1527/quizzes/19088/take
Question 15
+
BAN
10 pts
Short Answer Question: Your response should be between 50-150 words.
What are the five forces referred to in the Porter framework?
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