400-007 Online Practice Questions and Answers

DRAG DROP

Drag and drop the optical technology design characteristics on the left to the correct optical technologies on the right. Not all options are used.

Select and Place:

Which two statements describe network automation and network orchestration? (Choose two.)

A. Network automation does not provide governance or policy management.

B. Network automation spans multiple network services, vendors, and environments.

C. Network orchestration is done through programmatic REST APIs enabling automation across devices and management platforms.

D. Provisioning network services is an example of network automation.

E. Network orchestration is used to run single, low-level tasks without human intervention

Company XYZ has a new network based on IPv6. Some of the subnets that they are planning to use will be confidential and need an addressing scheme that confines them to the local campus network. Which type of IPv6 addresses can be used for these networks in the IPv6 addressing design?

A. local addresses

B. private addresses

C. link-local addresses

D. unique local addresses

Which three elements help network designers to construct secure systems that protect information and resources (such as devices, communication, and data) from unauthorized access, modification, inspection, or destruction? (Choose three.)

A. confidential

B. serviceability

C. reliability

D. availability

E. integrity

F. scalability

A financial company requires that a custom TCP-based stock-trading application be prioritized over all other traffic for the business due to the associated revenue. The company also requires that VoIP be prioritized for manual trades. Which directive should be followed when a QoS strategy is developed for the business?

A. Allow VoIP and the custom application to share the same priority queue,

B. The custom application and VoIP must be assigned their own separate priority queue.

C. Interleave the custom application with other TCP applications in the same CBWR

D. Avoid placing the custom application in a CBWFQ queue that contains other

Which mechanism enables small, unmanaged switches to plug into ports of access switches without risking switch loops?

A. PortFast

B. UDLD

C. Root guard

D. BPDU guard

A network design includes a long signaling delay in notifying the Layer 3 control plane that an interface has failed Which two of these actions would reduce that delay? (Choose two.)

A. Increase network stability.

B. Reduce the time for the network to reconverge.

C. Increase the notification of interface flaps.

D. Enable lower data link layer recovery systems to have an opportunity to restore the interface

Which purpose of a dynamically created tunnel interface on the design of IPv6 multicast services Is true?

A. first-hop router registration to the RP

B. multicast client registration to the RP

C. multicast source registration to the RP

D. transport of all IPv6 multicast traffic

What is an architectural framework created by ETSI that defines standards to decouple network functions from proprietary hardware-based appliances and have them run in software on standard x86 servers?

A. NFVIS

B. NFV

C. VNF

D. NPIV

Which two protocols are used by SDN controllers to communicate with switches and routers? (Choose two.)

A. NetFlash

B. NetFlow

C. Open vSwitch Database

D. OpenFlash

E. OpenFlow