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WorksheetsCOGNATE 3 - MODULE 1
Total questions: 94
Worksheet time: 56mins
Modern computer networks are best described as:
Simple connections between computers
A digital ecosystem integrating devices and services
Independent systems with no interconnection
Basic wired connections only
Which of the following best defines Intent-Based Networking (IBN)?
Manual configuration of network devices
Network design based on OSI layer mapping
A paradigm where intent is translated to automated configurations
Traditional routing and switching methods
What are the three key pillars of Intent-Based Networking?
Translation, Activation, and Assurance
Planning, Deployment, and Testing
Monitoring, Configuration, and Execution
Policy, Routing, and Encryption
In modern networks, fiber optics are primarily used for:
Short-range wireless connections
Backbone connectivity
End-user device linking
Peripheral device control
The current standard for Wi-Fi in modern workplaces is:
Wi-Fi 5 (802.11ac)
Wi-Fi 6/6E (802.11ax)
Wi-Fi 4 (802.11n)
Wi-Fi 7 (802.11be)
Which cellular standard is emerging as a WAN and last-mile technology?
3G
LTE
5G
EDGE
Which organization develops Ethernet and Wi-Fi standards?
IETF
IEEE
Wi-Fi Alliance
3GPP
The IETF is responsible for developing:
Cellular standards
Physical media standards
Core Internet protocols
Hardware certification
The Wi-Fi Alliance is mainly responsible for:
Internet backbone management
Certifying and branding Wi-Fi products
Manufacturing routers
Regulating ISPs
What is the role of the 3GPP organization?
Develop Ethernet protocols
Certify wireless devices
Govern cellular standards
Approve IP addresses
In Software-Defined Networking (SDN), what is centralized?
The data plane
The control plane
The management plane only
The hardware layer
The main advantage of SDN is:
Manual configuration
Reduced hardware cost
Centralized control and automation
Increased complexity
Zero Trust in network design means:
All devices are trusted by default
Trust is based on network location
Never assume trust; verify every access
Disable user authentication
NFV (Network Function Virtualization) replaces:
Software services with hardware
Physical appliances with software versions
SDN controllers
Internet protocols
An example of a Virtual Network Function (VNF) is:
Mouse driver
Router or firewall software
Cloud storage
Wi-Fi signal
Modern cloud networking includes integration with:
Standalone local servers only
Hybrid and multi-cloud environments
ISPs only
User devices only
HTTP/3 and QUIC improve performance by using:
TCP
UDP
ICMP
MPLS
Which protocol remains the "glue" of the Internet?
A. BGP
B. RIP
Modern network design emphasizes:
Static configuration
Continuous, software-driven optimization
Manual control
Hardware dependency
The first step in the network design process is:
Analyze the existing state
Deploy automation tools
Determine requirements
Validate the design
Which tool types are often used for network automation?
Graphics tools
APIs and IaC tools like Ansible or Terraform
Image editors
Manual scripts
Modularity in network design promotes:
Complexity and redundancy
Reusable, scalable design components
Hardware lock-in
Random configurations
Designing with redundancy and fast convergence supports:
Scalability
Resiliency
Modularity
Agility
Integrating security at every layer of the network refers to:
Encryption only
Security by Design
Layer 2 protection
Hardware-based defense
Scalability ensures that the network can:
Shrink automatically
Grow without a complete redesign
Function without security
Operate offline
A network that provides seamless connectivity across on-premises and cloud is called:
LAN
Modern network system
Peer-to-peer system
Single-tier system
Which of the following is a measurable service characteristic?
Device color
Latency and throughput
Vendor name
Device type
A “seamless secure access to all applications from any location” best describes:
Hardware performance
Modern user experience
Physical topology
Power management
Agility in network service metrics refers to:
How fast data travels
Time to deploy a new service or application
Number of connected users
The network size
Statement 1: Modern networks integrate IoT, cloud, and mobile users. Statement 2: Modern networks are limited to wired LANs only.
Both statements are true
Both statements are false
Statement 1: The OSI model is still the central focus of modern network design. Statement 2: Intent-Based Networking (IBN) focuses on translating intent into configuration.
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 three pillars of IBN are Translation, Activation, and Assurance. Statement 2: Assurance ensures that intent is continuously validated.
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: Copper cables are mainly used for backbone connections. Statement 2: Fiber optics serve as the backbone standard in modern 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
Statement 1: Wi-Fi 6/6E (802.11ax) is the current standard for wireless networks. Statement 2: Wi-Fi 6 offers better density and efficiency than previous versions.
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: 5G technology is emerging as a WAN option. Statement 2: 5G is limited to local wired connections.
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: IEEE develops Ethernet and Wi-Fi standards. Statement 2: IETF develops cellular communication standards.
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: IETF focuses on Internet protocols such as TCP/IP and HTTP/3. Statement 2: IEEE manages BGP routing protocols.
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 Wi-Fi Alliance certifies Wi-Fi products. Statement 2: 3GPP governs cellular standards.
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: In traditional networking, control and data planes are separate. Statement 2: In SDN, the control plane is centralized.
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: SDN improves network agility and programmability. Statement 2: SDN makes the network less centralized.
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: SD-WAN uses software to manage WAN connections. Statement 2: SD-WAN integrates security and 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
Statement 1: NFV replaces hardware appliances with virtual software functions. Statement 2: VNFs include routers and firewalls.
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: Cloud networking includes only private on-premises data centers. Statement 2: Modern design integrates hybrid and multi-cloud environments.
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: HTTP/3 uses UDP for faster connection establishment. Statement 2: QUIC protocol enhances web performance on lossy 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
Statement 1: BGP is critical for interconnecting public clouds. Statement 2: BGP is an outdated protocol no longer in use.
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 design is a one-time process. Statement 2: It is a continuous cycle of monitoring and 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
Statement 1: The first step in the design process is determining requirements. Statement 2: The last step is analyzing the existing network.
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
Automation tools like Ansible and Terraform speed up deployment. Manual configuration is still preferred in modern 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
Statement 1: Modularity simplifies scaling and troubleshooting. Statement 2: Modular design limits network flexibility.
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
Resiliency means building for failure and recovery. It discourages redundancy in 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: Security by Design applies Zero Trust principles. Statement 2: Security should only be added after deployment.
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: Scalability ensures networks can grow without full redesign. Statement 2: It relies heavily on modular and SDN principles.
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: A network system connects users, applications, and devices. Statement 2: It functions only within a local data center.
Both statements are true
Both statements are false
25. Statement 1: Modern services are defined by user experience. Statement 2: Performance metrics are irrelevant to service quality.
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: Performance metrics include latency and packet loss. Statement 2: Throughput and jitter are also performance measures.
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
Reliability is measured by uptime and MTTR. MTTR means Mean Time to Repair.
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: Security metrics may include time to detect a threat. Statement 2: Compliance frameworks include ISO 27001 and NIST.
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: Agility measures how quickly new services can be deployed. Statement 2: It is unrelated to 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: Modern design is software-driven and data-informed. Statement 2: It ignores business goals and 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
IBN mean
(a)
defines what the network should do (the intent), and software translates that into configurations and automatically maintains that state.
(a)
What's the current standard, offering massive improvements in density and efficiency for the wireless-first workplace
(a)
emerging as a WAN and last-mile technology, competing with traditional wired ISPs.
(a)
Drives Ethernet (802.3) and Wi-Fi (802.11) standards.
IEEE
IETF
WIFI ALLIANCE
3GPP
Develops the core protocols of the Internet (TCP/IP, HTTP/3, QUIC, BGP, etc.).
IEEE
IETF
WIFI ALLIANCE
3GPP
Certifies and brands commercial Wi-Fi products (e.g., Wi-Fi 6, WPA3).
IEEE
IETF
WIFI ALLIANCE
3GPP
Governs cellular standards, including 5G.
IEEE
IETF
WIFI ALLIANCE
3GPP
SDN mean
(a)
Statement 1: In traditional networks, control and data planes are bundled on each device.
Statement 2: In SDN, the control and data planes are still bundled together.
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
Separates control plane and data plane. A centralized SDN Controller manages the control plane, programming simple, fast data plane devices (e.g., white-box switches).
(a)
SD-WAN MEAN
(a)
The dominant modern WAN technology. It uses software to manage and optimize connectivity across multiple underlay transports (MPLS, broadband internet, 5G) based on application policies, cost, and performance.
(a)
SD-WAN integrates _____ and _____ for security; fundamental to WAN design
(a)
SSE MEAN
(a)
NFV MEAN
(a)
Replaces physical appliances (routers, firewalls, load balancers) with software versions running on commercial off-the-shelf servers.
(a)
VFN MEAN
(a)
Statement 1: Cloud networking design must include hybrid and multi-cloud environments integrated with native cloud networks (e.g., AWS VPC, Azure Virtual Network, Google VPC).
Statement 2: Cloud networking focuses exclusively on on-premises data centers and ignores cloud 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
The modern protocols for web traffic, built on UDP for faster connection establishment and improved performance on lossy networks.
(a)
Still the "glue" of the internet, now also critical for connecting to and between public clouds (e.g., AWS Direct Connect, Azure ExpressRoute).
(a)
BGP MEAN
(a)
A (a) is a continuous process that balances business requirements, user experience, security, and cost. It is software-driven, automated, and data-informed.
Statement 1: The first step in the design process is to determine business goals and requirements.
Statement 2: The first step is to deploy automation tools immediately.
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: Analyzing the existing state involves using network assurance and monitoring tools.
Statement 2: This step helps provide a data-driven view of current 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: Developing the architecture focuses on SDA and Zero Trust principles.
Statement 2: The architecture phase avoids any security design considerations.
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 Detailed Design phase includes selecting technologies, vendors, and configurations.
Statement 2: Automation planning using APIs and IaC tools occurs in this phase.
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: Deploy with Automation ensures speed and consistency.
Statement 2: It replaces the need for any human oversight.
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: Monitoring, validating, and optimizing are the final stages of the process.
Statement 2: These steps feed information back into determining new 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: The design process ends after deployment.
Statement 2: The design process is continuous and evolves based on results.
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 design process ends after deployment.
Statement 2: The design process is continuous and evolves based on results.
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: IaC tools like Ansible and Python scripts are used for automated provisioning.
Statement 2: They are part of the Detailed Design and Deployment phases.
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 services are defined by the user experience they deliver.
Statement 2: Modern services focus only on hardware performance, not 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
The network is a system that provides seamless, secure connectivity and services to users, applications, and devices—whether they are on-premises, remote, or in the cloud.
(a)
Which of the following best describes the measurable service characteristics of a modern network?
Cost, location, and number of devices
Latency, uptime, security compliance, and deployment time
Voltage, wiring type, and bandwidth color code
Device brand, signal color, and port number
