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Introducing Cisco Data Center Networking - DCICN Certification Exam

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November 23, 2024Last update

Cisco 640-911 Free Practice Questions

Q1. Which option is an example of an advanced distance vector routing protocol? 

A. EIGRP 

B. RIP 

C. OSPF 

D. ARP 

Answer: A

Q2. 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

Q3. What is the correct format of an access control list on a Cisco Nexus switch to deny unencrypted Web traffic from any source to destination host 10.10.1.110? 

A. N5K-A(config)#ip access-list 101 N5K-A(config-acl)# deny tcp any host 10.10.1.110 eq 80 

B. N5K-A(config)#access-list 101deny tcp any host 10.10.1.110 eq 80 

C. N5K-A(config)#access-list 101deny tcp any host 10.10.1.110 eq 80 N5K-A(config)#access-list 101permit ip any any 

D. N5K-A(config)# ip access-list 101 N5K-A(config-acl)# deny tcp any host 10.10.1.110 eq 80 N5K-A(config-acl)# permit ip any any 

Answer: D

Q4. Which three statements are true concerning RFC 1918 IP addresses? (Choose three.) 

A. They are globally routable. 

B. They are not globally routable. 

C. They must not be filtered at Internet border interfaces. 

D. They should be filtered at Internet border interfaces. 

E. They include 10.0.0.0/8, 172.16.0.0/16, and 192.168.1.0/24. 

F. They include 10.0.0.0/8, 172.16.0.0/21, and 192.168.0.0/16. 

Answer: BDF

Q5. Which command displays the Trunking Native Mode VLAN on port Ethernet 1/18? 

A. show running-config switchport e1/18 

B. show running-config e1/18 switchport 

C. show interface e1/18 

D. show interface e1/18 switchport 

E. show interface e1/18 native 

Answer: D

Q6. What is the addressing format of IPv6? 

A. 48-bit dotted decimal 

B. 48-bit colon-delimited hexadecimal 

C. 64-bit dotted decimal 

D. 64-bit colon-delimited hexadecimal 

E. 128-bit dotted decimal 

F. 128-bit colon-delimited hexadecimal 

Answer: F

Q7. Which command should you use to configure a Cisco Nexus switch port for Layer 2 operation? 

A. nexus(config-if)#switchport 

B. nexus(config-if)#layer-2 

C. nexus(config-if)#routed 

D. nexus(config)#interface vlan 10 nexus(config-if)#switchport 

Answer: A

Q8. Which two layers of the OSI model relate to the transmission of bits over the wire and packet forwarding based on destination IP address? (Choose two.) 

A. 1 

B. 2 

C. 3 

D. 4 

E. 5 

Answer: AC

Q9. 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

Q10. Which statement correctly describes an SVI? 

A. An SVI is a Layer 2 interface and uses a dynamic MAC address. 

B. An SVI cannot have an IP address assigned to it. 

C. An SVI provides Layer 3 routing between VLANs. 

D. Each switch port requires an SVI assignment. 

Answer: C

Q11. Which layer of the OSI model is associated with the reliable transmission of datagrams? 

A. datagram 

B. routing 

C. network 

D. data link 

E. transport 

F. transmission 

G. session 

Answer: E

Q12. What is the decimal value of the hexadecimal number 0x718? 

A. 718 

B. 1816 

C. 2907 

D. 3511 

Answer: B

Q13. What are two core features of Cisco Nexus Operating System? (Choose two.) 

A. SNMPv3 

B. RMON 

C. System Manager 

D. PSS 

E. VRF 

F. TRILL 

Answer: CD

Q14. Which statement is correct regarding a routed port on a multilayer switch? 

A. A routed port requires an SVI definition. 

B. Routed ports cannot be configured on a multilayer switch that uses SVIs. 

C. A maximum of 32 routed ports can be provisioned on a given multilayer switch. 

D. A routed port is a physical port that supports Layer 3 routing. 

Answer: D

Q15. Which three terms are used to describe data at Layers 1, 2, and 4 of the OSI model? (Choose three.) 

A. PDUs 

B. bits 

C. sequences 

D. segments 

E. packets 

F. frames 

Answer: BDF

Q16. Which network topology is most closely associated with FDDI? 

A. bus 

B. token passing bus 

C. star 

D. extended star 

E. ring 

Answer: E

Q17. Which field in an Ethernet II frame performs the same function as the DSAP field in an 802.3 Ethernet frame? 

A. start of frame 

B. EtherType 

C. frame check sequence 

D. Subnetwork Access Protocol 

E. Logical Link Control 

Answer: B

Q18. What is the function of the Tab key on the Cisco Nexus Operating System command-line interface? 

A. redisplays the current command line 

B. deletes all characters from the cursor to the end of the command line 

C. clears the terminal screen 

D. completes a partially entered command if enough characters are present 

E. moves the cursor one word to the right 

Answer: D

Q19. On a new Cisco Nexus switch, you receive an error message when you attempt to create an SVI. What is the first command you must use to create the SVI? 

A. interface vlan (vlan_id) 

B. vlan (vlan_id) 

C. feature svi 

D. interface routed 

Answer: C

Q20. What are two default user roles in Cisco Nexus Operating System? (Choose two.) 

A. Admin 

B. Network Operator 

C. Operator 

D. Storage Operator 

E. Root 

F. System Manager 

Answer: AC

Q21. Which transport protocol requires a three-way handshake to establish a new connection? 

A. ARP 

B. UDP 

C. IP 

D. TCP 

Answer: D

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