Practice Free 400-007 Exam Online Questions
An enterprise service provider is designing the network for a customer who runs a video application in both a centralized and distributed fashion.
The team has looked at the following parameters
• The available bandwidth for branches and the associated cost
• Video resource cost
• Usage patterns at hub-and-spoke sites.
• Call agent bridge selection algorithm
Which key piece of information is missing and needs to be taken into consideration in order to determine the correct resource allocation model?
- A . video traffic jitter and delay
- B . type of video resources
- C . transport protocol and traffic engineering
- D . network management and monitoring
Refer to the exhibit.
OSPF is running as the IGP to provide reachability to all AS100 networks R3 and R4 are the current ABRs at the boundary of OSPF Area0 and Areal Now BGP must be deployed within AS 100 because it will be receiving Internet routes from its eBGP peers (the service provider) connected to R1 and R2.
What is an optimal solution for this deployment to configure BGP relationships and redistribute BGP learned routes into OSPF?
- A . R5 should be configured as a route reflector for R1, R2, R3 and R4. BGP routes must be redistributed at R1 and R2 into OSPF.
- B . Configuration should be set up with R1 and R2, and R3 in one sub AS, with and R4 in another, and redistribution at R1 and R2.
- C . A full mesh should be deployed between all the routers with mutual redistribution to take place at R1 and R2.
- D . R1, R2, R3 and R4 must be set up with a neighbor relationship with R5 only must not be a route reflector.
How must the queue sizes be designed to ensure that an application functions correctly?
- A . Each individual device queuing delay in the chain must be less than or equal to the application required delay.
- B . The queuing delay on every device in the chain must be exactly the same to the application required delay.
- C . The default queue sizes are good for any deployment as it compensates the serialization delay.
- D . The sum of the queuing delay of all devices plus serialization delay in the chain must be less than or equal to the application required delay.
An international media provider is an early adopter of Docker and micro services and is using an open-source homegrown container orchestration system. A few years ago, they migrated from on-premises data centers to the cloud Now they are faced with challenges related to management of the deployed services with their current homegrown orchestration system.
Which platform is well-suited as a state-aware orchestration system?
- A . Puppet
- B . Kubemetes
- C . Ansible
- D . Terraform
Which statement about hot-potato routing architecture design is true?
- A . Hot-potato routing is the preferred architecture when connecting to content providers
- B . Hop-potato keeps traffic under the control of the network administrator for longer
- C . OSPF uses hot-potato routing if all ASBRs use the same value for the external metric
- D . Hot-potato routing is prone to misconfiguration as well as poor coordination between two networks
Organizations that embrace Zero Trust initiatives ranging from business policies to technology infrastructure can reap business and security benefits.
Which two domains should be covered under Zero Trust initiatives? (Choose two)
- A . workload
- B . work domain
- C . workplace
- D . workgroup
- E . workspace
A business requirement stating that failure of WAN access for dual circuits into an MPLS provider for a Data Centre cannot happen due to related service credits that would need to be paid has led to diversely routed circuits to different points of presence on the providers network?
What should a network designer also consider as part of the requirement?
- A . Provision of an additional MPLS provider
- B . Out of band access to the MPLS routers
- C . Ensuring all related remote branches are dual homed to the MPLS network
- D . Dual PSUs & Supervisors on each MPLS router
Which layer of the SDN architecture orchestrates how the applications are given the resources available in the network?
- A . orchestration layer
- B . southbound API
- C . northbound API
- D . control layer
Which methodology is the leading lifecycle approach to network design and implementation?
- A . PPDIOO
- B . Waterfall model
- C . Spiral model
- D . V model
A
Explanation:
Reference: https://www.ciscopress.com/articles/article.asp?p=1608131&seqNum=3
You are designing the routing design for two merging companies that have overlapping IP address space.
Which of these must you consider when developing the routing and NAT design?
- A . Local to global NAT translation is done after routing
- B . Global to local NAT translation is done before routing.
- C . Local to global NAT translation is done before policy-based routing
- D . Global to local NAT translation is done after policy-based routing.