WorksheetsCOGNATE 3 - MODULE 3
Total questions: 97
Worksheet time: 56mins
What is the first step in the network requirements analysis process?
Develop service metrics
Gather and list requirements
Map and validate requirements
Characterize behavior
Which of the following is NOT a modern type of network project?
SD-WAN overhaul
5G FWA integration
LAN cabling
Cloud migration
Which statement best describes the core principle of gathering network requirements?
Define the cost of new devices
Determine initial conditions on the network
Focus only on hardware configuration
Deploy before analysis
What is a key characteristic of modern network scope?
Number of switches and routers
Number of cloud regions and SaaS applications
Distance between branches
Size of server racks
Which is a modern goal in network projects?
Increase bandwidth only
Enable secure hybrid work
Replace old hardware
What is considered a timeless constraint in network projects?
Cloud sprawl
Funding and time
Integration complexity
Cybersecurity skills shortage
Which technique uses real-time user experience monitoring?
Face-to-face meeting
Digital Experience Monitoring (DEM)
Survey forms
Phone interviews
What is the purpose of setting customer expectations?
To minimize technical documentation
To align goals and avoid misunderstandings
To delay project approval
To limit project scope
Which of the following is a modern collaboration tool for requirement management?
Microsoft Word
Jira
Notepad
Excel
The principle that documents should be 'living documents' is the concept that documentation should be continuously updated and maintained as requirements and information change. Which principle does this describe?
Change Management
Version Control
Continuous Documentation
Static Documentation
Which of the following is related to requirement management?
Characterizing behavior
Performance measurement
Requirement management
Service validation
What does MTBF stand for?
Mean Time Before Failure
Mean Time Between Failures
Mean Time Beyond Failure
Maximum Time Between Failures
Availability can be calculated using which formula?
MTTR / MTBF
(MTBF + MTTR) / MTBF
MTBF / (MTBF + MTTR)
MTBF x MTTR
What modern metric highlights the importance of monitoring?
Mean Time to Detect (MTTD)
Maximum Time to Repair
Average Downtime
Packet Success Rate
What does RMA stand for?
Reliability, Maintainability, Availability
Readiness, Management, Accuracy
Routing, Maintenance, Automation
Remote Management Application
What is a modern focus of network performance measurement?
Bandwidth capacity only
User experience and application performance
Server uptime
Router configuration
Which is an example of a modern observability platform?
Wireshark
Datadog
Ping
Iperf3
Which metric is critical for real-time applications like VoIP?
Packet loss
Delay or latency
File transfer rate
CPU utilization
For Cloud Gaming or AR/VR, acceptable RTT should be less than:
200 ms
150 ms
50 ms
100 ms
Jitter is the enemy of:
File transfer
Web browsing
Real-time voice and video quality
Email delivery
Which describes user behavior “then”?
Hybrid work and mobile access
Users at desks, 9-to-5
Global asynchronous collaboration
IoT device interactions
Modern application traffic is primarily:
North-south
East-west
Linear
Vertical
IoT devices typically generate:
Massive bursty data
Small, constant packets
Compressed video streams
Encrypted tunnels
AI workloads typically create:
Low-bandwidth traffic
Constant minimal data flow
Massive, bursty data transfers
Static routing patterns
Which tool is used for bandwidth performance testing?
Ping
Wireshark
Traceroute
Iperf3
Which tool is considered the “ultimate protocol analyzer”?
Datadog
Wireshark
Dynatrace
Ping
What is the first step in troubleshooting a network connection?
Using ping and traceroute
Rebooting the system
Updating software
Checking email connectivity
Which modern measurement focuses on application response time and user satisfaction?
Legacy analysis
Classic measurement
Modern measurement
Delay-based evaluation
Which tool integrates requirements with DevOps workflows?
Confluence
Excel
Visio
Slack
Which modern constraint is related to cloud service management?
Integration complexity
Time limitation
Organizational politics
Hardware costs
What is the heart of good network design according to the module?
Characterizing user and application behavior
Purchasing high-end devices
Reducing latency
Increasing throughput
Statement 1: The first step in network requirement analysis is to gather and list requirements. Statement 2: Developing service metrics comes before gathering requirements.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Statement 1: Modern network projects may include Cloud Migration and SASE Implementation. Statement 2: The only classic network project is SD-WAN overhaul.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Defining the scope includes identifying cloud regions and SaaS applications. In modern designs, scope definition ignores IoT devices.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Statement 1: Classic project goals focus on performance and security. Statement 2: Modern goals include enabling hybrid work and cloud optimization.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Funding and time are examples of modern network constraints. Cloud sprawl and compliance mandates are modern constraints.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Statement 1: Setting customer expectations is part of requirements gathering. Statement 2: Clear communication is not necessary when defining network requirements.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Digital Experience Monitoring (DEM) is a modern technique for user feedback. DEM collects data passively without direct user input.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Statement 1: Problem statements are used to formally describe network issues. Statement 2: Virtual whiteboards have no role in remote collaboration.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Statement 1: Network requirement documents should be updated regularly. Statement 2: Agile and iterative documentation is encouraged.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Statement 1: Wireshark is no longer relevant for modern network measurement. Statement 2: Wireshark remains critical for deep traffic analysis.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Statement 1: Reliability is measured by MTBF. Statement 2: Maintainability is measured by MTTR.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Statement 1: Availability can be calculated as MTBF / (MTBF + MTTR). Statement 2: Availability metrics are not important for cloud services.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Statement 1: MTTD refers to Mean Time to Detect. Statement 2: MTTD is unrelated to network monitoring.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Statement 1: Service Level Objectives (SLOs) are key to defining requirements. Statement 2: SLOs are only used in traditional networks.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Capacity requirements include peak and sustained data rates. Delay requirements include jitter and round-trip time.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Statement 1: VoIP applications require less than 150 ms round-trip time. Statement 2: Cloud gaming requires less than 50 ms RTT.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Statement 1: Jitter negatively affects voice and video quality. Statement 2: Jitter has no effect on real-time communications.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Characterizing behavior means understanding how users and apps use the network. It is unrelated to network design.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Statement 1: Classic user behavior involved users working 9-to-5 at desks. Statement 2: Modern users work anywhere and anytime on any device.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Statement 1: Application traffic was previously mostly “north-south.” Statement 2: Today, much traffic is “east-west” between cloud services.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Statement 1: IoT devices produce large, bursty data flows. Statement 2: AI workloads generate massive, bursty data transfers.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Statement 1: Ping and traceroute are basic troubleshooting tools. Statement 2: Iperf3 is used for bandwidth testing.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Wireshark is a bandwidth tester. Wireshark is a protocol analyzer.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Statement 1: Observability platforms like Datadog provide real-time analytics. Statement 2: Such platforms are used only for server monitoring.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Requirement management is often done using Jira or Confluence. Requirement tracking is unrelated to DevOps workflows.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Statement 1: Classic networks focused mainly on bandwidth speed. Statement 2: Modern networks focus on user experience.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Compliance mandates like GDPR are modern project constraints. Organizational politics is not a timeless constraint.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Performance measurement should include user satisfaction scores. Classic measurement tools could measure user satisfaction directly.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Defining performance thresholds involves delay, capacity, and jitter. Delay variation is another term for jitter.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Characterizing user and application behavior is essential to network design. Understanding behavior helps optimize network performance.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Statement 1: The first step in network requirements analysis is to determine the initial conditions on the network.
Statement 2: The term “network” now also includes cloud virtual networks and the internet.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Statement 1: Classic network projects include new network setups, modifications, upgrades, and analysis.
Statement 2: Modern network projects include Cloud Migration and SASE Implementation.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Statement 1: Classic scope defines the number of sites and their distances.
Statement 2: Modern scope excludes SaaS applications and IoT devices.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Statement 1: Classic goals are to reduce cost and remove all users from the network.
Statement 2: Modern goals include enabling secure hybrid work and optimizing cloud costs.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Statement 1: Funding, time, and organizational politics are timeless constraints.
Statement 2: Cloud sprawl and skill shortages are modern constraints.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Statement 1: Setting customer expectations is an important part of requirements gathering.
Statement 2: Clear communication will always remain essential in network projects.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Statement 1: Surveys, phone calls, and face-to-face meetings are no longer useful in requirements gathering.
Statement 2: Problem statements are still the best way to formally describe network issues.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Statement 1: Documents in network projects should be continuously updated as living documents.
Statement 2: Agile, iterative documentation ensures requirements stay relevant and accurate.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Statement 1: Wireshark replaced Ethereal as a primary tool for capturing and analyzing network traffic.
Statement 2: Wireshark is now obsolete and no longer useful in modern analysis.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Statement 1: The modern focus of measurement has shifted from raw network speed to user experience.
Statement 2: Key metrics now include response time, SaaS availability, and user satisfaction.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Statement 1: Requirements used to be stored on shared network drives.
Statement 2: Today, platforms like Azure DevOps, Jira, and Confluence are used for collaboration and integration.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Statement 1: Characterizing behavior means understanding how users and applications use the network.
Statement 2: This concept is essential to achieving a good network design.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Statement 1: Traditional user behavior involved employees working 9-to-5 at their desks.
Statement 2: Modern user behavior is limited only to office-based activities.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Statement 1: Earlier network traffic patterns were mostly “north-south” (client-to-server).
Statement 2: Modern traffic is primarily “east-west,” flowing between cloud services and SaaS apps.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Statement 1: IoT devices typically generate large, irregular bursts of data.
Statement 2: AI workloads create massive, bursty data transfers.
Both statements are true
Both statements are false
Statement 1 is true and Statement 2 is false
Statement 1 is false and Statement 2 is true
Passive, real-time analysis of user experience without surveys.
(a)
Passive, real-time analysis of user experience without surveys.
(a)
In the context of network engineering, how are the principles of Reliability, Maintainability, and Availability (RMA) characterized?
They evolve constantly as new network technologies emerge.
They are fixed engineering concepts with stable mathematical definitions.
They vary according to the vendor’s implementation standards.
They depend solely on user experience metrics rather than technical formulas.
Measured by Mean Time Between Failures (MTBF).
(a)
MTBF stands for
(a)
Measured by Mean Time To Repair (MTTR).
(a)
MTTR stands for
(a)
A = MTBF / (MTBF + MTTR)
(a)
(a) is now as important as MTTR, highlighting the need for excellent monitoring.
MTTD STANDS FOR
(a)
Requirements are now formalized as (a) with cloud providers and internal teams.
SLOs STANDS FOR
(a)
When developing service requirements, which of the following correctly distinguishes capacity metrics from delay metrics?
Capacity metrics include end-to-end and round-trip times, while delay metrics involve peak and sustained data rates.
Capacity metrics focus on data transfer rates, while delay metrics measure latency and variation in transmission time.
Capacity and delay metrics are identical and interchangeable in network performance analysis.
Capacity and delay metrics are identical and interchangeable in network performance analysis.
Driven by video conferencing (Teams, Zoom), large file transfers, and datasets for AI/ML.
(a)
Critical for real-time applications.VoIP/UC (Teams): < 150ms RTTCloud Gaming / AR/VR: < 50ms RTTLow-Latency Trading: < 10ms RTT
(a)
The enemy of real-time voice and video quality.
(a)
Which tool is typically the first step in any network troubleshooting process?
ping & traceroute/pathping
Wireshark
Iperf3
Which tool is known as the ultimate protocol analyzer used for deep traffic inspection?
ping & traceroute/pathping
Wireshark
Iperf3
Which tool is used as the standard for measuring bandwidth performance in a network?
ping & traceroute/pathping
Wireshark
Iperf3
Which tool primarily checks basic network connectivity and delay between devices?
ping & traceroute/pathping
Wireshark
Iperf3
Which modern platforms provide observability and real-time insights into network performance?
ping & traceroute/pathping
Wireshark
Iperf3
Datadog and Dynatrace
