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Implementing and Operating Cisco Service Provider Network Core Technologies- Quiz 5- Honey hanilo jimenez
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Question 1 of 30
1. Question
In the context of network virtualization, which technology is primarily used to create network segments within a data center that allow for multiple tenants on the same physical hardware while maintaining isolation between them?
Correct
VXLAN (Virtual Extensible LAN) is a network virtualization technology designed to provide the same services to connected devices as they would experience on a physical network but with greater scalability and isolation in a virtualized environment. It allows for the creation of a logical network for each tenant in a shared infrastructure, thus ensuring the isolation required among the different tenants.
Incorrect
VXLAN (Virtual Extensible LAN) is a network virtualization technology designed to provide the same services to connected devices as they would experience on a physical network but with greater scalability and isolation in a virtualized environment. It allows for the creation of a logical network for each tenant in a shared infrastructure, thus ensuring the isolation required among the different tenants.
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Question 2 of 30
2. Question
Which redundancy protocol provides preemptive management of router failover to maintain higher availability of services in a service provider network?
Correct
The Virtual Router Redundancy Protocol (VRRP) is designed to increase the availability of the default gateway servicing hosts on the same subnet. It provides a robust set of mechanisms to manage router redundancy, allowing another router to preemptively take over if the primary router fails, thus maintaining uninterrupted service availability.
Incorrect
The Virtual Router Redundancy Protocol (VRRP) is designed to increase the availability of the default gateway servicing hosts on the same subnet. It provides a robust set of mechanisms to manage router redundancy, allowing another router to preemptively take over if the primary router fails, thus maintaining uninterrupted service availability.
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Question 3 of 30
3. Question
Ms. Cartwright is evaluating routing protocols for her multinational corporation to improve the routing efficiency and maintain more stable network communications between various branches located worldwide. Given the scale and geographical spread of the network, which protocol would best handle the external routing information efficiently and securely?
Correct
For Ms. Cartwright’s multinational corporation, BGP (Border Gateway Protocol) is the most appropriate choice. BGP is designed to manage how packets are routed across the internet by preventing routing loops and providing robust, scalable routing between autonomous systems. It’s particularly effective in scenarios involving multiple networks spread geographically as it can handle extensive routing tables and provide the security and stability needed for such complex environments.
Incorrect
For Ms. Cartwright’s multinational corporation, BGP (Border Gateway Protocol) is the most appropriate choice. BGP is designed to manage how packets are routed across the internet by preventing routing loops and providing robust, scalable routing between autonomous systems. It’s particularly effective in scenarios involving multiple networks spread geographically as it can handle extensive routing tables and provide the security and stability needed for such complex environments.
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Question 4 of 30
4. Question
In a Cisco environment focused on network automation and programmability, which protocol is primarily utilized for managing network configurations on devices that support data modeling languages like YANG?
Correct
RESTCONF is a network management protocol based on HTTP/REST architecture. It is designed for managing network configurations using YANG data models. RESTCONF provides mechanisms to install, manipulate, and delete the configuration of network devices. It is especially useful in programmable infrastructures due to its support for structured data formats like XML and JSON, making it an essential tool in modern network automation tasks.
Incorrect
RESTCONF is a network management protocol based on HTTP/REST architecture. It is designed for managing network configurations using YANG data models. RESTCONF provides mechanisms to install, manipulate, and delete the configuration of network devices. It is especially useful in programmable infrastructures due to its support for structured data formats like XML and JSON, making it an essential tool in modern network automation tasks.
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Question 5 of 30
5. Question
Which technology is specifically employed within MPLS networks to optimize the flow of network traffic and increase bandwidth utilization by avoiding over-saturated network paths?
Correct
MPLS Traffic Engineering (TE) is a method of optimizing the performance of the network by dynamically routing traffic flows based on current network capacity and the application requirements. TE uses extensions to traditional IP routing protocols, such as OSPF or IS-IS, to provide additional traffic management capabilities that help efficiently utilize available network resources and improve overall network performance.
Incorrect
MPLS Traffic Engineering (TE) is a method of optimizing the performance of the network by dynamically routing traffic flows based on current network capacity and the application requirements. TE uses extensions to traditional IP routing protocols, such as OSPF or IS-IS, to provide additional traffic management capabilities that help efficiently utilize available network resources and improve overall network performance.
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Question 6 of 30
6. Question
Mr. Thompson manages a service provider network that is expanding its services across multiple countries. He needs to select a routing protocol that can effectively handle large-scale network topologies and support extensive policy-based routing for these multinational connections. Which protocol should Mr. Thompson implement?
Correct
For Mr. Thompson’s requirements, BGP (Border Gateway Protocol) is the optimal choice. BGP is designed for large-scale network operations, making it suitable for managing routing between different autonomous systems on the internet. It supports extensive network policies for handling paths, which is crucial for a service provider operating across multiple countries. BGP’s ability to handle complex routing policies and its scalability makes it indispensable for international network operations.
Incorrect
For Mr. Thompson’s requirements, BGP (Border Gateway Protocol) is the optimal choice. BGP is designed for large-scale network operations, making it suitable for managing routing between different autonomous systems on the internet. It supports extensive network policies for handling paths, which is crucial for a service provider operating across multiple countries. BGP’s ability to handle complex routing policies and its scalability makes it indispensable for international network operations.
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Question 7 of 30
7. Question
In integrating Segment Routing with MPLS for a service provider network, which of the following advantages is primarily achieved?
Correct
Segment Routing integrates with MPLS to streamline operational processes by reducing the protocol overhead. This integration simplifies the network architecture by eliminating the need for multiple protocols to manage path selection and network state information, thereby improving overall network efficiency and scalability.
Incorrect
Segment Routing integrates with MPLS to streamline operational processes by reducing the protocol overhead. This integration simplifies the network architecture by eliminating the need for multiple protocols to manage path selection and network state information, thereby improving overall network efficiency and scalability.
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Question 8 of 30
8. Question
Ms. Clarkson is configuring her network to enhance its reliability and decrease the chances of disruption. Which protocol should she implement to ensure non-stop forwarding (NSF) and graceful restart capabilities to maintain network stability during transient failures?
Correct
OSPF (Open Shortest Path First) with support for Non-Stop Forwarding (NSF) and Graceful Restart capabilities is ideal for maintaining network stability during transient failures. NSF allows the router to continue forwarding packets even when the routing protocol process fails, and Graceful Restart helps the network recover smoothly from interruptions without affecting traffic flow.
Incorrect
OSPF (Open Shortest Path First) with support for Non-Stop Forwarding (NSF) and Graceful Restart capabilities is ideal for maintaining network stability during transient failures. NSF allows the router to continue forwarding packets even when the routing protocol process fails, and Graceful Restart helps the network recover smoothly from interruptions without affecting traffic flow.
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Question 9 of 30
9. Question
When troubleshooting connectivity issues in a network utilizing Virtual Routing and Forwarding (VRF) for segmentation, what should a network engineer first verify?
Correct
In the context of network virtualization with VRFs, the first step in troubleshooting connectivity issues should be to verify the VRF routing table entries. This check ensures that the correct routing information is allocated per segment, facilitating proper communication paths and isolating the issue away from general hardware or broader configuration errors.
Incorrect
In the context of network virtualization with VRFs, the first step in troubleshooting connectivity issues should be to verify the VRF routing table entries. This check ensures that the correct routing information is allocated per segment, facilitating proper communication paths and isolating the issue away from general hardware or broader configuration errors.
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Question 10 of 30
10. Question
As part of an effort to improve its network architecture, TelNetCom is migrating to a more modern service provider model that integrates different network domains. Which component is primarily responsible for directing customer traffic from external networks into the TelNetCom core network?
Correct
In service provider network architectures, the Provider Edge (PE) device plays a crucial role as it connects to the Customer Edge (CE) device and routes customer traffic from external networks into the service provider’s core network, handling ingress and egress traffic effectively.
Incorrect
In service provider network architectures, the Provider Edge (PE) device plays a crucial role as it connects to the Customer Edge (CE) device and routes customer traffic from external networks into the service provider’s core network, handling ingress and egress traffic effectively.
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Question 11 of 30
11. Question
A network engineer is configuring OSPF in a service provider environment. What technique should they use to prevent routing loops and ensure proper route redistribution between OSPF and an Exterior Gateway Protocol like BGP?
Correct
Route filtering is essential when redistributing routes between different routing protocols, such as between OSPF (an IGP) and BGP (an EGP). It helps prevent routing loops and controls the propagation of routes by allowing only necessary routes to be redistributed, maintaining routing efficiency and stability.
Incorrect
Route filtering is essential when redistributing routes between different routing protocols, such as between OSPF (an IGP) and BGP (an EGP). It helps prevent routing loops and controls the propagation of routes by allowing only necessary routes to be redistributed, maintaining routing efficiency and stability.
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Question 12 of 30
12. Question
Ms. Rivera is tasked with optimizing her company’s MPLS network using Segment Routing for better traffic management. Considering the integration of Segment Routing with MPLS, what is one major benefit she should expect from this configuration?
Correct
Segment Routing integrated with MPLS significantly reduces protocol overhead. It simplifies the network by eliminating the need for multiple protocols managing paths and state information, as Segment Routing paths are encoded in the packet header, streamlining traffic management and improving network scalability.
Incorrect
Segment Routing integrated with MPLS significantly reduces protocol overhead. It simplifies the network by eliminating the need for multiple protocols managing paths and state information, as Segment Routing paths are encoded in the packet header, streamlining traffic management and improving network scalability.
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Question 13 of 30
13. Question
Ms. Thompson, a network engineer, needs to configure an MPLS Layer 3 VPN to connect various branches of her company. Which of the following is essential for her to configure on the PE router to ensure each customer’s data remains isolated?
Correct
VRFs are crucial in MPLS Layer 3 VPNs as they create separate virtual routers on a single PE router for each customer. This ensures that each customer’s data and routing information remain isolated from others, which is essential for security and effective traffic management within a service provider’s network.
Incorrect
VRFs are crucial in MPLS Layer 3 VPNs as they create separate virtual routers on a single PE router for each customer. This ensures that each customer’s data and routing information remain isolated from others, which is essential for security and effective traffic management within a service provider’s network.
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Question 14 of 30
14. Question
A service provider aims to enhance network redundancy to prevent single points of failure. Which protocol should they implement to provide high availability in their network infrastructure?
Correct
HSRP is designed to allow for transparent failover of the first-hop IP routing among certain routers. This protocol is essential for maintaining high availability and ensuring that network services remain accessible even if a primary router fails, making it ideal for service providers looking to enhance network redundancy.
Incorrect
HSRP is designed to allow for transparent failover of the first-hop IP routing among certain routers. This protocol is essential for maintaining high availability and ensuring that network services remain accessible even if a primary router fails, making it ideal for service providers looking to enhance network redundancy.
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Question 15 of 30
15. Question
Mr. Johnson is diagnosing intermittent network failures that occur in the core network segment between 1 AM and 3 AM daily. What systematic approach should Mr. Johnson use first to identify the root cause of these failures?
Correct
Before making any changes to hardware or configuration, a systematic troubleshooting approach involves monitoring and analyzing the network traffic to detect anomalies or spikes that could be causing the issues. This approach allows Mr. Johnson to understand the underlying cause and strategically plan further diagnostic or remediation steps, potentially saving time and resources.
Incorrect
Before making any changes to hardware or configuration, a systematic troubleshooting approach involves monitoring and analyzing the network traffic to detect anomalies or spikes that could be causing the issues. This approach allows Mr. Johnson to understand the underlying cause and strategically plan further diagnostic or remediation steps, potentially saving time and resources.
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Question 16 of 30
16. Question
Alice, a network architect, is designing a solution to segment network traffic for multiple tenants in a data center using network virtualization. Which technology should she implement to ensure each tenant’s traffic is isolated and independently managed?
Correct
VXLAN (Virtual Extensible LAN) is a network virtualization technology designed to provide the same Ethernet layer 2 network services as VLAN does, but with greater extensibility and flexibility. It is particularly useful in data centers with a high number of tenants, as it allows for up to 16 million virtual networks, providing the isolation required between different tenants’ traffic.
Incorrect
VXLAN (Virtual Extensible LAN) is a network virtualization technology designed to provide the same Ethernet layer 2 network services as VLAN does, but with greater extensibility and flexibility. It is particularly useful in data centers with a high number of tenants, as it allows for up to 16 million virtual networks, providing the isolation required between different tenants’ traffic.
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Question 17 of 30
17. Question
A service provider wants to enhance their network’s fault tolerance and reduce service disruption time in case of a device failure. Which protocol should be implemented to achieve active-standby redundancy in their core routers?
Correct
GLBP allows for automatic selection and simultaneous use of multiple available gateways as well as load balancing traffic across these gateways. Implementing GLBP helps in providing both high availability and load balancing, which are critical for maintaining continuity and efficiency in service provider networks.
Incorrect
GLBP allows for automatic selection and simultaneous use of multiple available gateways as well as load balancing traffic across these gateways. Implementing GLBP helps in providing both high availability and load balancing, which are critical for maintaining continuity and efficiency in service provider networks.
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Question 18 of 30
18. Question
Mr. Johnson is tasked with configuring a service provider’s backbone to support enhanced traffic engineering. Which of the following technologies should he implement to simplify the management and to maximize efficient use of the network’s bandwidth?
Correct
Segment Routing (SR) allows for the simplification of path management and enhances bandwidth utilization by enabling source routing and path steering capabilities directly within the packet headers. SR is particularly beneficial in service provider backbones for traffic engineering, as it does not require a signaling protocol, thus reducing overhead and improving network performance.
Incorrect
Segment Routing (SR) allows for the simplification of path management and enhances bandwidth utilization by enabling source routing and path steering capabilities directly within the packet headers. SR is particularly beneficial in service provider backbones for traffic engineering, as it does not require a signaling protocol, thus reducing overhead and improving network performance.
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Question 19 of 30
19. Question
Consider you are configuring an EGP for your multinational corporation’s distributed network, which protocol would you most likely implement to manage the routing decisions across different autonomous systems?
Correct
BGP (Border Gateway Protocol) is the standard exterior gateway protocol designed to exchange routing and reachability information among autonomous systems (AS) on the Internet. It is used for routing between ASs, making it the most appropriate choice for a multinational corporation operating over dispersed geographical locations. OSPF and IS-IS are IGPs (Interior Gateway Protocols) and are typically used within a single AS, while RIP is an older IGP protocol with less capability compared to OSPF and IS-IS.
Incorrect
BGP (Border Gateway Protocol) is the standard exterior gateway protocol designed to exchange routing and reachability information among autonomous systems (AS) on the Internet. It is used for routing between ASs, making it the most appropriate choice for a multinational corporation operating over dispersed geographical locations. OSPF and IS-IS are IGPs (Interior Gateway Protocols) and are typically used within a single AS, while RIP is an older IGP protocol with less capability compared to OSPF and IS-IS.
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Question 20 of 30
20. Question
Alice is tasked with enhancing the data flow within a service provider network to optimize resource utilization. She decides to implement a technology that supports path selection based on bandwidth requirements and other criteria. Which of the following technologies should she implement?
Correct
RSVP-TE (Resource Reservation Protocol-Traffic Engineering) is used to reserve network resources, creating Label Switched Paths (LSPs) for MPLS networks that are optimized for specific traffic requirements, such as bandwidth and latency. This makes it ideal for scenarios where enhanced data flow and optimized resource utilization are crucial. Segment Routing could also be used, but RSVP-TE is specifically designed for resource reservation and is therefore the best answer in this scenario.
Incorrect
RSVP-TE (Resource Reservation Protocol-Traffic Engineering) is used to reserve network resources, creating Label Switched Paths (LSPs) for MPLS networks that are optimized for specific traffic requirements, such as bandwidth and latency. This makes it ideal for scenarios where enhanced data flow and optimized resource utilization are crucial. Segment Routing could also be used, but RSVP-TE is specifically designed for resource reservation and is therefore the best answer in this scenario.
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Question 21 of 30
21. Question
Mr. Thompson is configuring a secure communication network for remote access to the company’s internal resources. He needs to ensure that the data transmitted over public networks is encrypted and that the network configuration supports scalable secure connections. Which technology should Mr. Thompson implement?
Correct
Virtual Private Networks (VPNs) provide the necessary encryption and security for transmitting sensitive data over public or untrusted networks, ensuring that remote users can securely access internal resources. VPNs can be scaled as needed to accommodate an increasing number of remote users, unlike ACLs, which are used to filter traffic but do not encrypt it. VRRP and SNMP are not directly related to secure communications as required by this scenario.
Incorrect
Virtual Private Networks (VPNs) provide the necessary encryption and security for transmitting sensitive data over public or untrusted networks, ensuring that remote users can securely access internal resources. VPNs can be scaled as needed to accommodate an increasing number of remote users, unlike ACLs, which are used to filter traffic but do not encrypt it. VRRP and SNMP are not directly related to secure communications as required by this scenario.
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Question 22 of 30
22. Question
In a large enterprise network, a network architect is considering segmenting network traffic to enhance security and performance. Which technology would be most effective for creating multiple, isolated network segments over the existing infrastructure?
Correct
VXLAN (Virtual Extensible LAN) is a network virtualization technology designed to provide the same services as VLAN but with greater extensibility and flexibility. It is used to address the scalability issues associated with large cloud computing deployments. VXLAN allows for the creation of a virtualized layer 2 network on top of a layer 3 network, enabling the segmentation and efficient management of network traffic across a distributed network.
Incorrect
VXLAN (Virtual Extensible LAN) is a network virtualization technology designed to provide the same services as VLAN but with greater extensibility and flexibility. It is used to address the scalability issues associated with large cloud computing deployments. VXLAN allows for the creation of a virtualized layer 2 network on top of a layer 3 network, enabling the segmentation and efficient management of network traffic across a distributed network.
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Question 23 of 30
23. Question
An ISP needs to optimize the routing of IP packets across their MPLS network to manage bandwidth and enhance resource utilization efficiently. Which MPLS feature allows for the pre-establishment of traffic-engineered paths across the network?
Correct
RSVP-TE (Resource Reservation Protocol-Traffic Engineering) extends the original capabilities of RSVP to support traffic engineering. It is used in an MPLS network to signal and establish tunnels for traffic engineered paths, allowing ISPs to effectively manage and allocate network resources, ensuring that data flows are predictable and optimized across the network.
Incorrect
RSVP-TE (Resource Reservation Protocol-Traffic Engineering) extends the original capabilities of RSVP to support traffic engineering. It is used in an MPLS network to signal and establish tunnels for traffic engineered paths, allowing ISPs to effectively manage and allocate network resources, ensuring that data flows are predictable and optimized across the network.
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Question 24 of 30
24. Question
Mrs. Hamilton is configuring a network to ensure that there is no single point of failure for the gateway, which should guarantee high availability and automatic failover. Which redundancy protocol should she use to achieve the highest reliability?
Correct
Gateway Load Balancing Protocol (GLBP) enables the automatic selection and simultaneous use of multiple available gateways as well as load balancing traffic among them. This makes it highly suitable for scenarios requiring high availability and redundancy, as it not only provides backup in case of a gateway failure but also optimizes the traffic flow during normal operations.
Incorrect
Gateway Load Balancing Protocol (GLBP) enables the automatic selection and simultaneous use of multiple available gateways as well as load balancing traffic among them. This makes it highly suitable for scenarios requiring high availability and redundancy, as it not only provides backup in case of a gateway failure but also optimizes the traffic flow during normal operations.
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Question 25 of 30
25. Question
Alice, a network engineer, needs to deploy configurations to multiple devices in a service provider’s network efficiently. She plans to use an automated script that leverages a management protocol allowing both configuration changes and retrieval of device state information. Which protocol should she use?
Correct
RESTCONF provides mechanisms to install, manipulate, and delete the configuration of network devices. It is built on standard HTTP methods, which simplifies the programming and implementation compared to older protocols. SNMP, while useful for monitoring, is not ideal for making configuration changes. NetFlow collects IP traffic information, and IGMP is used for managing multicast groups, not for configuration management.
Incorrect
RESTCONF provides mechanisms to install, manipulate, and delete the configuration of network devices. It is built on standard HTTP methods, which simplifies the programming and implementation compared to older protocols. SNMP, while useful for monitoring, is not ideal for making configuration changes. NetFlow collects IP traffic information, and IGMP is used for managing multicast groups, not for configuration management.
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Question 26 of 30
26. Question
Which technology allows for label distribution protocol that is used with MPLS when integrating with segment routing, especially focused on traffic engineering?
Correct
RSVP-TE (Resource Reservation Protocol with Traffic Engineering) is commonly used for setting up traffic-engineered paths in an MPLS network, including environments integrated with Segment Routing. While LDP (Label Distribution Protocol) is also a label distribution protocol used in MPLS networks, RSVP-TE provides the additional traffic engineering capabilities required for optimal path selection and bandwidth allocation.
Incorrect
RSVP-TE (Resource Reservation Protocol with Traffic Engineering) is commonly used for setting up traffic-engineered paths in an MPLS network, including environments integrated with Segment Routing. While LDP (Label Distribution Protocol) is also a label distribution protocol used in MPLS networks, RSVP-TE provides the additional traffic engineering capabilities required for optimal path selection and bandwidth allocation.
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Question 27 of 30
27. Question
Gateway Load Balancing Protocol (GLBP) allows for automatic failover and load balancing between multiple routers, making it an ideal solution for environments where high availability is critical. Unlike HSRP or VRRP, which typically provide active-standby redundancy, GLBP provides active-active redundancy, distributing client traffic among multiple routers (gateways) simultaneously.
Correct
Incorrect
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Question 28 of 30
28. Question
Which technology is most appropriate for implementing network segmentation within a data center that uses Cisco service provider architectures?
Correct
VXLAN (Virtual Extensible LAN) is a network virtualization technology designed to provide the same services as VLAN but with greater extensibility and flexibility in a cloud computing environment. It is particularly useful in data center environments where network segmentation is required across diverse systems. VXLAN allows for the creation of a logical network for VMs across different physical networks, which is crucial in large-scale deployments typical in service provider networks.
Incorrect
VXLAN (Virtual Extensible LAN) is a network virtualization technology designed to provide the same services as VLAN but with greater extensibility and flexibility in a cloud computing environment. It is particularly useful in data center environments where network segmentation is required across diverse systems. VXLAN allows for the creation of a logical network for VMs across different physical networks, which is crucial in large-scale deployments typical in service provider networks.
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Question 29 of 30
29. Question
A network engineer is configuring an MPLS network that requires integration of different routing protocols for enhanced connectivity. Which feature allows for the redistribution of routes between an EGP and an IGP?
Correct
Route redistribution is a feature in network routers that enables the communication between routers running different routing protocols, such as between an Exterior Gateway Protocol (EGP) like BGP and an Interior Gateway Protocol (IGP) like OSPF or IS-IS. This is essential for MPLS networks that operate with mixed routing environments, ensuring seamless connectivity and dynamic routing performance across different network segments.
Incorrect
Route redistribution is a feature in network routers that enables the communication between routers running different routing protocols, such as between an Exterior Gateway Protocol (EGP) like BGP and an Interior Gateway Protocol (IGP) like OSPF or IS-IS. This is essential for MPLS networks that operate with mixed routing environments, ensuring seamless connectivity and dynamic routing performance across different network segments.
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Question 30 of 30
30. Question
Ms. Wallace is tasked with ensuring high availability and redundancy in a newly deployed service provider network. Which protocol should she implement to provide automatic backup capabilities in case of a router failure?
Correct
VRRP (Virtual Router Redundancy Protocol) allows for the automatic assignment of available routers to participate in a virtual router group configured with a virtual IP address. If the primary router fails, VRRP automatically assigns router duties to one of the backup routers, minimizing downtime and ensuring continuous network availability. This protocol is crucial for maintaining high availability in critical network segments, enhancing operational resilience.
Incorrect
VRRP (Virtual Router Redundancy Protocol) allows for the automatic assignment of available routers to participate in a virtual router group configured with a virtual IP address. If the primary router fails, VRRP automatically assigns router duties to one of the backup routers, minimizing downtime and ensuring continuous network availability. This protocol is crucial for maintaining high availability in critical network segments, enhancing operational resilience.