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2021 Dec 600-504 exam question

Q1. Which two statements about RFC6020 are true? (Choose two.) 

A. YANG is a data modeling language. 

B. YANG is a protocol to configure network devices. 

C. YANG is used by OF-CONFIG. 

D. YANG is used by BGP-LS. 

E. YANG is an object-oriented programming language. 

Answer: A,C 


Q2. Which two options are good reasons to deploy onePK in an endpoint hosted model? (Choose two.) 

A. direct connectivity to device dataplane 

B. ability to override device process priorities 

C. centralized application management 

D. signed packages for containers 

E. choice in compute platform performance 

Answer: C,E 


Q3. Which programming language is used to develop Chef recipes? 

A. JSON 

B. Puppet 

C. XML 

D. HTML 

E. Ruby 

Answer: E 


Q4. Which option describes the goal of acceptance testing? 

A. testing that a single function or procedure in the code is implemented correctly 

B. testing that a specific bug discovered in the past does not reoccur 

C. testing that the feature implemented is correct and complete according to the requirements and design document 

D. testing that the system under test still starts and performs very basic operations 

Answer: C 


Q5. Which option describes what VPLS, GRE, and VXLAN are examples of? 

A. network operational models 

B. virtualized networks 

C. network slicing mechanisms 

D. overlay networks 

E. neural networks 

F. protocol independent networks 

G. link-state networks 

H. open networks 

Answer: D 


Rebirth 600-504 exam prep:

Q6. Which three statements about the Cisco Extensible Network Controller are true? (Choose three.) 

A. XNC is the second commercial version of the OpenDaylight controller. 

B. XNC provides applications such as Monitor Manager, Topology-Independent Forwarding, Virtual Patch Panel, and Network Slicing. 

C. XNC provides advanced GUI and superior troubleshooting and debugging capabilities compared to the OpenDaylight controller. 

D. XNC provides support for the onePK, OpenFlow 1.0, I2RS, BGP-LS, and PCE-P for communication with network devices. 

E. XNC provides integration with an external AAA server for authentication as well as for authorization for both GUI and REST API calls. 

F. Native programming language APIs are available for Java, C, and Python. 

Answer: B,C,E 


Q7. A network administrator reports that a new OpenFlow-enabled switch fails to register to a controller. 

Which three troubleshooting tasks can help to resume operations? (Choose three.) 

A. Verify that the controller is listening on port 6633 on localhost. 

B. Verify that the controller is listening on port 6633 on all addresses. 

C. Verify the JAVA_HOME Path. 

D. Verify that the firewall allows access to port 6633. 

E. Verify that TCP port 8080 is operational. 

F. Verify that the switch is multicasting on port 6633. 

Answer: B,D,E 


Q8. In which three ways can onePK applications be packaged? (Choose three.) 

A. .pkg for process-hosted application 

B. RPM file on Linux end node 

C. OVA file for process-hosted application 

D. .pcap for blade-hosted application E. .msi file for Windows end node 

Answer: B,C,E 


Q9. Your application uses a Cisco onePK function call to read interface statistics. 

Which four types of software does that same function call work across? (Choose four.) 

A. Cisco IOS Software 

B. Cisco IOS XR Software 

C. Juniper JUNOS Software 

D. Cisco IOS XE Software Option 

E. Cisco NX-OS Software 

F. Huawei OS Software 

G. Cisco StarOS Software 

Answer: A,B,D,E 


Q10. Which two commands are needed to view load averages of a server to sample normal operation? (Choose two.) 

A. vmstat 

B. top 

C. ps 

D. uptime 

E. dstat 

F. iostat 

Answer: B,D