640-911 Exam - Introducing Cisco Data Center Networking - DCICN

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Q1. Which two commands would you use to erase the Cisco Nexus Operation System configuration and return the switch to factory defaults? (Choose two.) 

A. nexus# write erase boot 

B. nexus# erase configuration 

C. nexus# erase running-configuration 

D. nexus# erase startup-configuration 

E. nexus# reboot 

F. nexus# reload 

G. nexus# shutdown 

Answer: AF

Q2. What is the decimal value of the hexadecimal number 0x718? 

A. 718 

B. 1816 

C. 2907 

D. 3511 

Answer: B

Q3. Which two networking devices operate at Layer 1 of the OSI model? (Choose two.) 

A. repeater 

B. bridge 

C. switch 

D. router 

E. hub 

Answer: AE

Q4. What are two features of a bridge? (Choose two.) 

A. reliable transmission 

B. operate at OSI Layer 2 

C. operate at OSI Layer 3 

D. create multiple broadcast domains 

E. create multiple collision domains 

F. flood input packets to all ports 

G. drop IP packets with invalid destination ports 

Answer: BE

Q5. Which device would you select to partition a network into VLANs? 

A. repeater 

B. bridge 

C. switch 

D. router 

E. hub 

Answer: C

Q6. What is the minimum required command to enter global configuration mode on a Cisco Nexus switch? 

A. nexus# con 

B. nexus# configure 

C. nexus# configure global 

D. nexus# configure terminal 

Answer: A

Q7. Which option is an example of a distance vector routing protocol? 

A. RIP 

B. OSPF 

C. ARP 

D. IS-IS 

Answer: A

Q8. Which two layers of the OSI model are combined in the Internet protocol suite network access layer? (Choose two.) 

A. 1 

B. 2 

C. 3 

D. 4 

E. 5 

F. 6 

G. 7 

Answer: AB

Q9. Which transport protocol requires a three-way handshake to establish a new connection? 

A. ARP 

B. UDP 

C. IP 

D. TCP 

Answer: D

Q10. Which two network topologies are the most popular in switching? (Choose two.) 

A. bus 

B. token passing bus 

C. star 

D. extended star 

E. ring 

Answer: CD