• Its important to clarify the circumstances of a situation, so people know what they are getting into.

• also being able to communicate your needs will safe you from being missunderstood and from disappointments.

• Talk about what you are thinking, to take others with you. Missunderstandings mostly comes from not talking about your thoughts.

A good way to demonstrate this soft skill, is to give an example where you maybe was able to define what someone wanted even though he wasnt able to put it in correct words by himself

.

e.g giving constructive feedback or frequent team meetings

e.g new working hours or new software / hardware

1. Reduces misunderstandings and rework
   Clear communication ensures requirements, constraints, and expectations are correctly understood, preventing costly rework.

2. Bridges the gap between technical and non-technical stakeholders
   IT solutions only create value when decision-makers understand them well enough to act on them.

3. Improves speed and decision quality
   Well-communicated issues and options enable faster, more informed decisions across teams.

How to demonstrate it:

Explain technical decisions in plain language to non-technical stakeholders

Write clear tickets, documentation, and commit messages

Proactively clarify requirements instead of making assumptions

How to demonstrate it

I show this skill by explaining issues clearly, listening actively, asking follow-up questions, and sharing information in a structured way, for example in support situations or team meetings.

How to demonstrate it

I contribute actively to teamwork, support others when problems arise, share my knowledge, and work constructively on solutions, for example in project groups or during software development.

How:
By expressing ideas clearly, asking clarifying questions, and adapting my message to different audiences.

How to demonstrate it

I approach problems in a structured way, identify root causes, test solutions, and document results, for example when troubleshooting IT systems or fixing technical incidents.

How:
By analyzing information objectively, considering multiple solutions, and choosing the most practical option.

1. Modern IT systems are too complex for individuals
   Scalable systems require coordinated effort across multiple roles and disciplines.

2. Collaboration increases delivery reliability
   Shared ownership and peer review reduce errors and improve overall system quality.

3. Knowledge sharing reduces risk
   Teams that collaborate avoid single points of failure and improve continuity.

How to demonstrate it:

Actively participate in code reviews and sprint ceremonies

Support teammates when blockers arise, even outside your direct tasks

Share knowledge rather than working in Isolation

This means understanding your own feelings. It also means noticing how other people feel so you can connect with them better.

How:

Stay calm during an argument and listen to how the other person feels before you speak.

1. IT work is inherently unpredictable
   Issues rarely match documentation; strong problem-solving enables effective responses to unknowns.

2. Root-cause analysis prevents recurring issues
   Solving the real problem improves system stability and long-term efficiency.

3. Better solutions emerge under constraints
   Effective problem-solving balances technical, business, and time constraints to deliver practical outcomes.

   
   

How to demonstrate it:

Break complex issues into smaller, testable hypotheses

Identify root causes instead of applying quick fixes

Propose multiple solution options with pros and cons

This is the ability to share your ideas clearly. It helps you talk to anyone and explain your projects in a way that people understand.

How:

Always explain your ideas clearly and ask, "Does this make sense?" to make sure everyone understands.

This is about working well with other people. Even if you are not friends, you work together honestly to get the job done and be more productive.

How:

Help a coworker with their task and focus on the group's goal instead of just your own work.

Listening, a key part of emotional intelligence, helps us understand others, respond appropriately, and build strong professional relationships.

How:

Pay full attention when others speak

Ask clarifying questions to ensure understanding

Show empathy and respond appropriately to feedback

Showing that you can handle pressure in a job interview is about proving it with behavior and examples, not just saying “I work well under pressure.”

- Use a concrete example (STAR method)

- Emphasize how you manage pressure

• Prioritizing tasks

• Staying organized

• Focusing on what you can control

• Taking short pauses to reset

• Asking for help early rather than late

- Demonstrate it during the interview itself

• Stay composed if a question is difficult

• Take a moment before answering (“That’s a good question—let me think for a second.”)

• Speak clearly and at a steady pace

• Acknowledge challenges without becoming defensive

• Calm behavior = real-time proof.

- Use pressure-related keywords (naturally)

• “I stay calm and focused under tight deadlines”

• “I prioritize effectively in high-pressure situations”

• “I make structured decisions when information is limited”

In summary, technical expertise in information technology can only reach its full potential when complemented by strong soft skills. Today’s IT specialists are much more than mere technicians; they serve as a vital interface between complex technology and the needs of both users and colleagues.

• Communication is the essential tool for making technical knowledge understandable and avoiding costly misunderstandings.

• Teamwork ensures that synergies are utilized within today’s complex project structures, allowing common goals to be achieved on schedule.

• Problem-solving skills form the methodological backbone, enabling professionals to keep a cool head during critical phases and to tackle root causes rather than just treating symptoms.

Mastering these competencies contributes significantly to quality assurance and the overall economic success of a company.

• Access to Talent: The IT industry faces a global talent shortage. Success depends on hiring the best engineers, regardless of their location

• 24/7 Productivity: Global teams allow for a "follow-the-sun" model, where development continues around the clock across different time zones

• Innovation through Diversity: As mentioned in the video, diverse teams bring different perspectives, which is key to solving complex technical problems and creating products for a global market

• The Tools: While Slack, Jira, and Zoom are necessary, they are just tools.

• The Human Factor: The video highlights that trust and cultural intelligence are more important. You can have the best software, but if the team suffers from "Groupthink" or lacks communication due to cultural barriers, the project will fail.

• Conclusion: Technology enables the connection, but management and soft skills enable the collaboration.

• The Challenges: We discussed issues like "Social Loafing" (in large remote teams) and "Storming" phases caused by cultural misunderstandings.

• The Benefits: The gain in creativity and the ability to scale a company globally are much stronger.

• Key Strategy: To make the benefits win, teams should follow the "Two-Pizza Rule" to keep groups small and accountable, and use Collaborative conflict management to ensure everyone stays aligned.lenges?

In the fast-paced IT industry, companies cannot afford to ignore the global talent pool. However, to truly benefit from diversity, managers must look beyond software and tools. They must actively guide their teams through the stages of development, prevent Groupthink, and foster an environment where functional conflicts lead to innovation rather than division.

Ultimately, managing a global team is a balancing act: the challenges of communication and culture are real, but when handled with cultural intelligence and strategic conflict management, the potential for innovation and 24/7 productivity is unmatched.

Our final takeaway: Technology connects us, but leadership and trust unite us.

• IT company need people from many country because local people not always enough.

• Working global make possible work all time, day and night, no stop.

• Software is for whole world so different culture opinion is good.

But sometimes global not need.

• Small project or very secure project better with same place team.

• Without internet, video call, chat tool, nothing work global.

• Cloud help team share code and system easy.

• Security tech help people login from other country safe.

But technology alone is not enough.

• If people not talk good or no process, tech not help.

• Culture and communication also very important.

• Company can pay less money in some country.

• Different people give different idea, more creative.

• Team can grow fast in many place.

But also many challenge.

• Time zone very difficult, meeting hard.

• Culture misunderstanding happen.

• Manager job more hard.

Final say:
If company manage good and use right tool, global team is more good than bad.

As technology and digital services operate on a global scale, collaboration across countries allows companies to access a wider talent pool, innovate faster, and provide continuous development and support. While global collaboration may not be strictly necessary for every small project, it is essential for long-term competitiveness in IT.

Technology plays a crucial role in enabling global collaboration, providing tools such as cloud platforms, communication software, and collaborative development environments. However, technology alone is not enough. Effective communication, cultural awareness, and strong leadership are equally important to ensure productive teamwork.

Despite challenges such as time zone differences, coordination complexity, and cultural barriers, the benefits of managing global IT teams generally outweigh the difficulties. When supported by the right tools and good management practices, global collaboration becomes a strategic advantage that drives efficiency, innovation, and growth in the IT industry.

• Talent Pool: Access to global experts to overcome local skill shortages

• 24/7 Development: "Follow the Sun" model allows continuous work across time zones

external -> Backup, archiving, sharing files, and expanding storage without upgrading internal components

The motherboard also includes slots for RAM, storage drives, and expansion cards like graphics cards.

Why is it so important?

While other parts of a computer have specialized jobs (the GPU handles graphics, the SSD handles long-term storage), the CPU is the general-purpose processor. It orchestrates how all these parts work together.

Without a CPU, the computer would have no way to interpret programs or manage the data flowing between your keyboard, screen, and memory.

A Speaker refers to a hardware device that produces sound or audio output. It's an essential component for computers, enabling users to hear various types of audio, including music, system sounds, notifications, and multimedia content.

Why is it so important ?

To put it simply, the motherboard is important because it sets the limit on what your computer can do. While the CPU and GPU are the "stars" that do the heavy lifting, the motherboard is the infrastructure that supports them. If you have a weak motherboard, you can actually "choke" your high-end parts, preventing them from ever reaching their full speed.

HDDs

• Use spinning magnetic disks and a moving read/write head.

• Slower due to mechanical movement.

• Typical speeds:

  • Boot times: ~30–60 seconds

  • File transfer: ~80–160 MB/s

• Slower random access (opening apps, searching files).

SSDs

• Use flash memory with no moving parts.

• Much faster and more responsive.

• Typical speeds:

  • SATA SSDs: ~500–550 MB/s

  • NVMe SSDs: 3,000–7,000+ MB/s

  • Boot times: ~5–15 seconds

• Excellent random access performance.

Bottom line on speed:
SSDs are several times to dozens of times faster than HDDs, especially for everyday tasks like booting an OS or launching applications.

Cost

HDDs

• Cheaper per gigabyte.

• Common pricing (approximate):

  • 1 TB HDD: low cost

  • 4–8 TB HDD: very cost-effective for bulk storage

• Best for large storage needs on a budget.

SSDs

• More expensive per gigabyte.

• Pricing varies by type:

  • SATA SSDs: moderately priced

  • NVMe SSDs: more expensive but much faster

• Large-capacity SSDs get costly quickly.

Bottom line on cost:
HDDs are significantly cheaper per GB, while SSDs cost more but deliver much better performance.

By having more RAM, your computer is able to have more programms running at the same time and you are able to jump between them without slowdowns.

• Acts as the "brain" of the computer.

• Executes instructions and processes data for programs.

Motherboard

• The main circuit board that connects all components.

• Facilitates communication between the CPU, RAM, and other hardware.

RAM (Random Access Memory)

• Provides high-speed, short-term data storage.

• Holds the data that the CPU is currently using for active tasks.

GPU (Graphics Processing Unit / Video Card)

• Specialized hardware for rendering images, animations, and video.

• Essential for gaming, video editing, and 3D modeling.

PSU (Power Supply Unit)

• Converts AC power from the wall outlet into DC power for the internal components.

• Distributes specific voltages to different parts of the system.

• The physical housing that protects and organizes all internal components.

• Manages airflow to keep the system cool.

CPU Cooler (Air or Liquid)

• Dissipates heat generated by the processor to prevent thermal throttling or damage.

Network Interface Card (NIC / Wi-Fi Card)

• Allows the computer to connect to a network (via Ethernet or Wi-Fi) and the internet.

Peripherals

• Monitor: Displays the visual output from the GPU.

• Keyboard & Mouse: The primary input devices for user interaction.

Storage Devices

• SSD Or HDD Or Nvme : this is the Permanet storage solution were you can save you data für a long time

• Firewalls: Monitor and control incoming and outgoing traffic.

• LAN (Local Area Network):
  A network that connects devices using cables (usually Ethernet). It is typically faster, more stable, and more secure. Common in offices, schools, and homes with wired connections.

• WLAN (Wireless Local Area Network):
  A type of LAN that connects devices wirelessly using Wi-Fi (radio waves). It offers mobility and convenience but can be slightly slower and more prone to interference than wired LAN.

Three essential components of a network

1. Devices (nodes) – computers, phones, printers, servers

2. Transmission medium – cables (Ethernet, fiber) or wireless signals

3. Networking devices – router, switch, or access point

2. Encryption: Protects data during transmission.

3. Firewall Configuration: Filters traffic to block malicious activity.

4. Regular Updates: Keeps devices and software secure from vulnerabilities.

• PAN (Personal Area Network): Connects nearby devices for short-range tasks.

• WAN (Wide Area Network): Links devices over long distances, often connecting multiple LANs.

-Transmission media

-Network interface cards (NICs)

-Security components

-Protocols

address. There are two types:

• IPv4: The older format, limited to 4.3 billion addresses.

• IPv6: A newer format with a much larger address space to meet modern demands.

-Speed and latency

-Reliability and interference

-Security

-Mobility and flexibility

Wired Connections: Provide stable and fast data transfer but low mobility.

Wireless Connections: Use radio waves to connect devices via Wi-Fi or Bluetooth and may have inteference but offer high mobility.

the data is broken into small, discrete units called packets. Each packet contains a portion of the data plus routing information

Pros:

• very efficient

• allows multiple simultaneous users

• reliable and resilient

• scalable

Example: A small office where all computers share one long cable.

Example: : a network in a factory, where data moves in a circle.

Example: a school network where all computers connect to one central switch.

Example: A large company where many devices connect to each other for high reliability.

Example: A university campus using a mix of star and bus networks.

line 1.

ring 4.

star/ star in star 3.

bus

mash / fullmash 2. ?

tree

5. mix of star and tree

real wolrd exsampels

1. direct link to mac´s

2. comp. backup connection

3. comp. wifi (local)

4. home network

5. lokal networks/ buildung network

oder so

- Ring Topology

- Star Topology

- Mesh Topology

- Hybrid Topology

Disadvantages: slow with many devices, not good for big networks.

b) if mac´s malefunktion the system is still running but if the busline dies it is ja complett shutdown

c)the data is send to evey mac in a row, but if a mac is malefunktion the ring is brocken and don´t send the data further than the brocken mac

d) it is simpel to setup and expend, but if the mein hub iis brocken it is unusable

e) many mac are directly conneted and don´t need other mac´s

f) there is a mainbranch and on the mainbranch are sec.branches,

if part of the mainbranch is brocken the network dosn´t work properly

g) you can combinand the positivs of diffend typs, but mayby they are to set up und need some exp.

2) In a Star Topology each device connects directly to a central hub or switch via individual cables, creating a star-like pattern.

3) In a Ring Topology devices are connected in a closed loop, with each device connected to exactly two others, forming a ring. Data travels in one direction (or both, in dual-ring configurations) around the circle.

4) In a Mesh Topology

every device connects to every other device (full mesh) or to multiple other devices (partial mesh), creating multiple paths between nodes.

5) In a Tree Topology a tree topology combines characteristics of star and bus topologies, creating a hierarchical structure with a root node and branches of star-configured networks.

b) 3

c) 3

d) 4

e) 3

f) 2

g) 3

ring con. - peer to peer , direct lan

pro =cheap, easy to set up

con = data is dezentral saved and pc have to be turned on

ca 30€

option b

strar con. -NAS network, switch with storge

pro = zentral data flow, regular backups posebil, esay an cheap to expand up to 20 diveses

cons = is a bit more expensiv, more managment nesseary

ca100€

• At the outer level you have a tree topology branching out into each building 

• each branch is then a hub 

• within each building the hubs are also in a (logical) mesh configuration 

• And about a gazillion access points all over the place 

• with different subnets and access levels 

Homes whit smart devices  

• It is physical star but logic mesh  

• Let China know if your light is switched on or not