A company's primary ISP is experiencing an outage. However, the network administrator notices traffic continuing to flow through a secondary connection to the same ISP. Which of the following BEST describes this configuration?
A company's primary ISP is experiencing an outage. However, the network administrator notices traffic continuing to flow through a secondary connection to the same ISP. Which of the following BEST describes this configuration?
The best term to describe the configuration where traffic continues to flow through a secondary connection to the same ISP during an outage is 'Multipathing.' Multipathing involves using multiple physical paths to transmit data to ensure redundancy and reliability. This allows traffic to be rerouted automatically through a different path, ensuring continuous network availability even when one path becomes unavailable. This is distinct from 'Diverse paths,' which typically refers to paths going through different ISPs or routing through separate geographical paths, not merely different physical connections to the same ISP.
Mike Meyers "It’s very common for ISPs to share common lines and such, especially when they are servicing the same physical location. It’s therefore critically important to ensure path diversity, where the lines out of your ISP follow diverse paths to other routers. A common method for path diversity in smaller centers, for example, uses a fiber connection for the primary path and a very fast cellular connection as a failover. Use of both a fiber ISP and a different cable ISP can also lead to path diversity."
Multipath is about SAN and Wifi Diverse paths or Path diversity about redundant connections for example to the ISP
Professor Messer ---------- In very large data centers, you may have multiple paths to be able to get between point A and point B. A good example of this is to have multiple internet service providers in and out of the data center. This way, if you lose connectivity to one ISP, you can use the redundant or diverse path to the secondary ISP to maintain your uptime. As you can imagine, this involves more than simply installing a separate network connection. We have to consider the dynamic routing protocols that are in place. ---------- So Diverse paths would be correct if there were MULTIPLE ISPs, but this questions clearly states its the SAME ISP
A. Diverse paths is the BEST description of this configuration. Diverse paths, also known as path diversity, refers to the use of multiple network paths to ensure redundancy and high availability in case of network failures or outages. In this scenario, the company has set up a secondary connection to the same ISP to provide an alternate path for traffic when the primary connection fails. This allows the traffic to continue to flow without interruption, minimizing downtime and maximizing network uptime.
So here's my issue with selecting ( A ) as my answer. Diverse Path is nowhere on CompTIA's N+ Study or Review Guide. I searched for the last 30 minutes and Couldn't locate it. If anyone can, then please let me know. I went with ( D ) because VRRP can facilitate the scenario posted below. [The network administrator notices the traffic continues to flow through a secondary connection to the SAME ISP.] - Note: this is not coming from another ISP connection. It can't be ( C ) Multipath simply because it provides redundant paths between servers and storage units over (SAN). Any thoughts on the matter?
do a quick control F on the exam obj. and you will find both actually.
See Leonard Snart's explanation. (I make a voting comment to counter tinsn's wrong interpretation of diverse paths, which got the only votes so far.)
I think it is Diverse paths as I google it.
Multipathing refers to using multiple physical paths between two endpoints. Diverse paths refer to physically separate routes or connections between two points in a network infrastructure
It’s very common for ISPs to share common lines and such, especially when they are servicing the same physical location. It’s therefore critically important to ensure path diversity, where the lines out of your ISP follow diverse paths to other routers. A common method for path diversity in smaller centers, for example, uses a fiber connection for the primary path and a very fast cellular connection as a failover. Use of both a fiber ISP and a different cable ISP can also lead to path diversity.
Diverse paths
The BGP Diverse Path Using a Diverse-Path Route Reflector feature allows Border Gateway Protocol (BGP) to distribute an alternative path other than the best path between BGP speakers when route reflectors are deployed. This feature is meant to provide path diversity within an autonomous system (AS), within a single cluster only. That is, a route reflector is allowed to advertise the diverse path to its client peers only. https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_bgp/configuration/xe-16/irg-xe-16-book/irg-diverse-path.html#:~:text=A%20diverse%20path%20can%20be%20configured%20on%20a,an%20AS%2C%20within%20a%20single%20route%20reflector%20cluster.
A. Diverse paths
Diverse paths refer to having multiple, physically separate network paths between two points to provide redundancy in the event of a failure on one path. This can be achieved through the use of multiple physical links, different routing paths, or different physical locations. Multipathing refers to the use of multiple parallel paths to a destination and the ability to balance traffic over these paths. The goal of multipathing is to improve network availability and increase network performance by allowing multiple routes to be used simultaneously. In this scenario, the network administrator noticed that traffic was continuing to flow through a secondary connection to the same ISP, indicating that there is more than one path to the same destination and that traffic is being balanced over these paths. This makes the answer C. Multipathing.