SDWAN - Underlay Connectivity Services

SDWAN - Underlay Connectivity Services

Professional Development

12 Qs

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SDWAN - Underlay Connectivity Services

SDWAN - Underlay Connectivity Services

Assessment

Quiz

Professional Development

Professional Development

Hard

Created by

Marjory Sy

FREE Resource

12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A national pharmaceutical company has 3 locations connected to a headquarters using traditional WAN technology.  The pharmaceutical company opens up a 4th location and wants to implement SD-WAN services in the new location.

  • The headquarters building has equipment that can be upgraded to use SD-WAN.

  • The new location has 1 Private and 1 Public UCS.

During service activation testing, latency is very high for applications that use the Private UCS.  What can be done to prevent this issue from occurring?

Define tighter latency and performance specifications of the UCS in the Service Level Specification

Add an additional UCS.

Increase the bandwidth of the UCS to 10 Gbps.

Decrease the number of hops.

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is an advantage of a private UCS over a public UCS?

Fast speed

Better encryption

Lower cost

Better predictability

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is true?

A UCS can be encrypted.

A TVC can be encrypted

An SWVC Endpoint can be encrypted.

A UNI can be encrypted.

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A Subscriber has the following requirements for SD-WAN services:

  • 10 Mbps of bandwidth for critical Application Flows

  • 60 Mbps of bandwidth for Application Flows with less resiliency than the critical data Application Flows

  • Guest Wi-Fi of 35 Mbps needing Local Internet Breakout

What UCS options are the best choice for this Subscriber?

Three public; one private 70 Mbps, one private 20 Mbps, and one public 200 Mbps

Two; each 105 Mbps with strict Service Level Specifications

Two public; one 10 Mbps, one 105 Mbps designated as BACKUP

Three; one Private 10 Mbps, one Private 10 Mbps designated as BACKUP to the critical Application Flow, and one Public 95 Mbps with Internet Breakout

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A Subscriber is reporting issues with a new public UCS.  Gathering data, you discover:

  • The Subscriber is only using 25 Mbps of data.

  • High levels of latency are being reported, exceeding the maximum their primary applications can tolerate.

  • 50 Mbps of bandwidth was guaranteed.

What could have prevented these issues?

Increasing the maximum upload and download speeds of the UCS

Changing the number of hops to destinations over the UCS

The geolocation database for the UCS

Tighter Service Level Specifications

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

You need to size Underlay Connectivity Services for 3 remote sites and a headquarters laid out in a hub and spoke design.  The customer requires: 

  • All traffic flows between the remote sites and headquarters only. 

  • 80 Mbps of traffic each way between each remote site and headquarters. 

  • One Public and one Private Underlay will be configured at each site, with 75% of the traffic on the Public and 25% on the Private at each location. 

  • Both Underlays are available to all traffic in case of failure. 

Which is the best choice for sizing?

Provision 60 Mbps for the Public Underlay and 20 Mbps for the Private Underlay at each remote site.

Provision 80 Mbps for the Public Underlay and 80 Mbps for the Private Underlay at each remote site.

Provision 40 Mbps for the Public Underlay and 40 Mbps for the Private Underlay at each remote site.

  • Provision 60 Mbps for the Public Underlay and 20 Mbps for the Private Underlay at each remote site.

  • Provision 180 Mbps for the Public Underlay and 60 Mbps for the Private Underlay at headquarters. 

  • Set the BACKUP service attribute to Enabled in SWVC policies

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An SD-WAN Subscriber is experiencing a business slowdown and is looking to optimize their costs. As an SDCP you have worked with them to categorize their traffic into two groups.

  • The first group is audio feeds that are highly sensitive to delay and must have a high availability.

  • The second group can have a lower availability and is not sensitive to delay.

  • The Subscriber has both a low-cost Public UCS with a very relaxed SLS as well as a Private UCS SLS with very strict low delay and frame loss. 

What do you recommend to the Subscriber?

  • Configure the Audio flows to prefer the Private UCS.

  • Configure the non-audio traffic to prefer the Public UCS.

  • Enable both UCS as backups.

  • Configure the Audio traffic to prefer the Private UCS.

  • Set the PUBLIC-PRIVATE service Attribute to Private-Only for all audio flows.

  • Configure the non-Audio traffic to only use the Public UCS.

  • Configure the audio traffic flows to prefer the Private UCS.

  • Configure the non-audio traffic flows to prefer the Public UCS only.

  • Designate as a Backup UCS the Public UCS.


  • Configure the Audio traffic flows to prefer the Private UCS.

  • Set the PUBLIC-PRIVATE service Attribute to Either for all audio flows.

  • Configure the non-Audio traffic to only use the Public UCS.

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