A Review Of High quality 600-502 exam question

Q1. When an application must be developed that interacts with Cisco IOS, NX-OS, and IOS-XR devices, the application must use LDAP for authentication and have secure communication between the Cisco onePK application and managed device. The customer prefers the use of Java for follow-on supportability by their staff. The customer is familiar with the Eclipse IDE. Which application dependency is relevant? 

A. interaction with multiple device platforms – Cisco IOS, NX-OS, and IOS-XR 

B. use of LDAP for authentication 

C. use of secure communication between onePK app and the device 

D. choice of Java as programming language 

E. customer's familiarity with Eclipse IDE 

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Q2. Which three options are primary purposes of the Cisco software defined networking path computation element? (Choose three.) 

A. discovering network infrastructure information 

B. orchestration of network services 

C. application-specific path routing computation 

D. programming the network element for forwarding state 

E. federating isolated virtualized domains 

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Q3. When object-oriented design is used, which action represents the best practice to modify data contained within an object? 

A. When possible, directly modify data to reduce overhead and improve application performance. 

B. After objects are instantiated, they should not be modified because it may result in redundant objects in the memory space. 

C. Do not modify the object directly. Instead, create a copy and modify data in the duplicated object. 

D. Use object update queues. 

E. Use the provided "setter" methods to modify data inside an object. 

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Q4. Which command is used to find the string "connected" in file "controller.log", assuming a Linux environment? 

A. grep "connected" controller.log 

B. find controller.log "connected" 

C. search "connected" controller.log 

D. locate "connected" controller.log 

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Q5. After the implementation phase is complete, the test engineer must perform a test to verify that a log in requirement of entering a user ID and password is functioning properly. 

Which type of testing is this commonly referred to? 

A. RB (requirements testing) 

B. requirements verification and validation 

C. white box testing 

D. beta testing 

E. functional testing 

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Q6. Which CLI command displays the version of Cisco onePK that your router currently supports? 

A. #show onep version 

B. #show onepk version 

C. #show onep history 

D. #show onepk info 

E. #show onep status 

F. #show onepk stat 

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Q7. Refer to the exhibit Which statement describes what this Cisco onePK code does? 

A. It connects to a network element and retrieves a graph object that contains the whole network topology. 

B. It connects to a network element and retrieves a graph object that contains the network element and its first-hop neighbors only. 

C. It connects a network element to the current topology. 

D. It creates a network topology that contains one network element and returns its graph object. 

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Q8. Which test must be performed to test the redundancy and high availability of an application against component failures? 

A. Each individual component of the system should be shut down and restarted. 

B. Components identified as single points of failure should be identified and rebooted. 

C. Shared services, external to the system, should be blocked by ACLs. 

D. Redundant power supplies should be removed simultaneously from all devices. 

E. Network cables should be unplugged and plugged back into incorrect interfaces. 

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Q9. Which three options are valid HTTP/1.1 methods? (Choose three.) 

A. GET 

B. PUT 

C. POST 

D. EXECUTE 

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Q10. Which description of negative unit testing is true? 

A. tests that result in negative numbers 

B. executing a test plan under duress 

C. testing in a production environment 

D. testing using invalid inputs 

E. testing in an isolated lab environment 

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