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Developing with Cisco Network Programmability

NO.1 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.
Answer: A

NO.2 Which option is the style guide for Python code?
A. PEP 0
B. PEP 1
C. PEP 6
D. PEP 8
Answer: D

NO.3 Which two statements about IPv4 checksum are true? (Choose two.)
A. It is 16-bit field.
B. It is 32-bit field.
C. It is calculated based on an IP header.
D. It is calculated based on an entire IP packet.
Answer: A,C

NO.4 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
Answer: E

NO.5 Which option lists the correct order of the steps in a software release life cycle?
A. Alpha Test, Beta Test, Release Candidate, Release to Market, Control Availability, General
Availability
B. Alpha Test, Beta Test, Release Candidate, Control Availability, General Availability, Release to
Market
C. Alpha Test, Beta Test, Control Availability, General Availability, Release Candidate, Release to
Market
D. Beta Test, Alpha Test, Release Candidate, Release to Market, Control Availability, General
Availability
E. Alpha Test, Beta Test, Release Candidate, Release to Market, General Availability, Control
Availability
Answer: A

NO.6 A packet-encapsulated NVGRE is sent from one virtual switch to another virtual switch. When
the DF bit of the outer IP header is set, the packet is dropped by the switch-X between them because
the frame size is bigger than the MTU size of interfaces of the switch-X.
Which action is the correct one to fix this problem without impacting performance?
A. Change the configuration of virtual switches not to set the DF bit.
B. Change the configuration of virtual switches not to send bigger NVGRE frames than the switch-X
interface MTU.
C. Expand the MTU configuration of the switch-X to accept the biggest NVGRE frames.
D. Change the configuration of virtual switches to use VXLAN instead of NVGRE.
Answer: C

NO.7 In a complex software environment, the root cause of a failure is not easily determined. A
troubleshooting mechanism displays a sequential list of methods or functions starting from the point
where the error originated to the point of the error was first reported.
Which name is this list of sequential methods or functions commonly referred to?
A. sequential method call list
B. functional sequence
C. debug assistant
D. stack overflow chart
E. program execution sequence
F. stack trace
Answer: F

NO.8 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.
Answer: E