What is the first step typically taken in a systematic approach to network troubleshooting?
- Identify the problem
- Implement the solution
- Document the findings
- Verify the solution
The first step in a systematic approach to network troubleshooting is to identify the problem, which involves understanding and defining the issue at hand.
In AAA security, what does Authorization specifically control?
- Authentication
- Access
- Accounting
- Addressing
In AAA security, Authorization specifically controls access, determining what resources a user is allowed to access after successful authentication.
A network engineer is designing a network for a small company. They need a simple, cost-effective topology that is easy to set up and manage. Which topology should they consider?
- Bus
- Mesh
- Ring
- Star
For a small company with the need for a simple, cost-effective topology that is easy to set up and manage, a star topology is suitable.
What is the primary purpose of subnetting in IP networking?
- Enhance network security
- Improve network performance
- Increase the number of available host addresses
- Simplify IP address management
The primary purpose of subnetting is to increase the number of available host addresses within a network.
Which protocol is commonly used for communication between the SDN controller and network devices?
- SNMP
- OSPF
- OpenFlow
- BGP
OpenFlow is a widely used protocol for communication between the SDN controller and network devices, enabling centralized control.
In a data center, the network team is implementing EtherChannel to enhance throughput and redundancy. What configuration aspects are critical to ensure optimal performance and reliability?
- DHCP configuration, broadcast storm control, and OSPF areas
- Duplex settings, access control lists, and SNMP versions
- Link aggregation mode, spanning-tree protocol parameters, and interface MTU
- NAT settings, VLAN pruning, and HSRP priorities
Configuring link aggregation mode, spanning-tree protocol parameters, and interface MTU are critical aspects for ensuring optimal performance and reliability when implementing EtherChannel in a data center.
What is the main security benefit of using NAT in a network infrastructure?
- It automatically detects and blocks malicious traffic.
- It hides internal IP addresses from external networks.
- It implements strong access control policies.
- It provides encryption for all transmitted data.
The main security benefit of using NAT is that it hides internal IP addresses from external networks, adding a layer of security by obscuring the internal network structure.
How does GRE tunneling differ from traditional VPN tunneling in terms of encryption and security features?
- GRE focuses on providing a simple encapsulation method without inherent encryption.
- GRE offers stronger encryption and security features compared to traditional VPNs.
- GRE and traditional VPNs have identical encryption and security features.
- GRE and traditional VPNs do not support encryption.
GRE primarily provides encapsulation and does not inherently offer encryption, unlike traditional VPNs that focus on security features.
In a stacked configuration, individual switches are interconnected using a ________ link.
- Backbone
- Mesh
- Trunk
- Uplink
In a stacked configuration, individual switches are interconnected using a trunk link to facilitate communication and coordination.
In an organization looking to scale its network infrastructure with minimal physical changes, which SDN capability would be most critical?
- Network Function Virtualization (NFV)
- Southbound API
- Northbound API
- Control Plane Separation
Network Function Virtualization (NFV) in SDN allows scaling the network infrastructure by virtualizing network functions, minimizing the need for physical changes.
A _________ is a set of rules applied to a router to control network traffic and mitigate security risks.
- Firewall
- Protocol
- Routing Table
- Access Control List (ACL)
An Access Control List (ACL) is a set of rules applied to a router to control network traffic and mitigate security risks.
________ computing involves abstracting the underlying infrastructure in a way that allows software containers to deploy and run consistently across various computing environments.
- Edge
- Container
- Quantum
- Fog
Container computing involves abstracting the underlying infrastructure to enable software containers to deploy and run consistently across various computing environments.