CCNP ENCOR (350-401) Questions and Correct Answers | Latest Update
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Course
CCNP
Institution
CCNP
Access Layer
→ ~~> This is essentially the Access layer into the network where end devices usually
connect to
What is fault tolerance?
→ ~~> The ability of a device to continue operation if one of it's components fails
Distribution Layer
→ ~~> Access layer switches connect to ...
→ ~~> This is essentially the Access layer into the network where end devices usually
connect to
What is fault tolerance?
→ ~~> The ability of a device to continue operation if one of it's components fails
Distribution Layer
→ ~~> Access layer switches connect to distribution layer switches
What is a Service Level Agreement?
→ ~~> The promise you make to your users about how long a system will be down in
the event of a disaster
Recovery Time Objective (RTO)
→ ~~> The Maximum amount of time a system will be offline after a disaster
Recovery Point Objective (RPO)
→ ~~> The Maximum amount of data that can be lost due to a disaster.
Mean Time Between Failures (MTBF)
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→ ~~> The Average amount of time before a product fails.
Mean Time to Repair (MTTR)
→ ~~> The average amount of time required to repair a failed product.
Core layer
→ ~~> In a campus LAN design, the switches that connect the distribution layer
switches, and to each other, to provide connectivity between the various distribution
layer switches.
Collapsed Core Topology
→ ~~> A Two Tier topology where the core and distribution layers have been
consolidated.
What 3 layers are in a traditional topology
→ ~~> Access layer, distribution layer, Core layer.
What topology is used within data centers?
→ ~~> Spine leaf design
What is the Leaf switch layers?
→ ~~> Different Nodes (servers) may be connected to these device in redundancy.
What are spine switches?
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→ ~~> Every leaf is connected to every spine switch for redundancy, and the
maximum hops for nodes ae nly a single hop over spin switches.
Characteristics of having an on-premises data center?
→ ~~> With an On-premise deployment, it might be easier to meet compliance
requirements
With an On-premise deployment, it might be easier to maintain a good user experience
(latency etc of application closer and don't need to get ISP issues etc)
Characteristics of having a Cloud Data Center?
→ ~~> With A Cloud deployment there's not need to maintain local redundancy
With A cloud deployment, you pay for resource usage instead of purchasing physical
hardware
What are three good fabric capacity planning questions?
→ ~~> How much data do we need to push through a data center switch?
How much data can we push through a specific hardware configuration?
What is the anticipated bandwidth demand increase over time?
What are "The 5 nines of availability"
→ ~~> up 99.999 percent uptime, approximately. 5 min downtime/ year.
Limiting a networks down to more than 5 minutes per year.
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What are four aspects of Redundant design?
→ ~~> - Usually higher cost
- Redundant UPS/Generator
- Redundant Cables for uplinks
- Redundant routing for outages
What is a "full" backup?
→ ~~> a complete backup of all your data.
What is a "Differential" backup?
→ ~~> Backs up files that have been changed since last FULL backup.
easier to restore than incremnetal
What is a "Incremental" backup?
→ ~~> Only new files or ones that have changed since the last backup are saved in
order to save time.
What is a "Snapshot" backup?
→ ~~> Type of backup primarily used to capture the entire operating system image
including all applications and data
In Redundant Design, what is a Cold Site?
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