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2025 Cisco Official New Released 640-911 Q&As
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Q1. Which network topology is most closely associated with classical CSMA/CD? A. bus B. token passing bus C. star D. extended star E. ring View AnswerAnswer: AQ2. 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
Q1. What are two attributes of a VLAN? (Choose two.) A. A VLAN defines a collision domain. B. A VLAN defines a broadcast domain. C. Broadcasts are flooded to all VLANs. D. Collisions are flooded to all VLANs. E. A Layer 3 device is required to route packets between VLANs. F. A Layer 2 device is required to route packets between VLANs. View AnswerAnswer: BEQ2. Which field in an Ethernet I
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 View AnswerAnswer: AFQ2. What is the decimal value of
Q1. 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. View AnswerAnswer: DQ2. Which two options de
Q1. How many IP address ranges are specified in RFC 1918? A. 1 in Class A, 2 in Class B, and 4 in Class C B. 2 in Class A, 4 in Class B, and 8 in Class C C. 4 in Class A, 8 in Class B, and 16 in Class C D. 1 in Class A, 16 in Class B, and 256 in Class C View AnswerAnswer: DQ2. Which network topology is most closely associated with classical CSMA/CD? A. bus B. token passing bus C. starÂ
Q1. Which device forwards data based on the destination IP address? A. repeater B. bridge C. switch D. router E. hub View AnswerAnswer: DQ2. 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 80Â
Q1. What is the dotted hexadecimal representation of the IP address 172.13.99.225? A. AC.0D.63.E1 B. AB.63.99.D5 C. E2.1D.E1.66 D. BC.0C.C3.1F E. CC.0D.F3.21 View AnswerAnswer: AQ2. What action does a switch take if the destination MAC address is unknown? A. discard frame B. send ICMP unreachable message to source C. flood packet on all ports D. compare destination IP address against
Q1. Which two options represent a subnet mask that allows for a maximum of 14 available host addresses on a subnet? (Choose two.) A. 255.255.255.240 B. 255.255.255.192 C. 255.255.240.0 D. 255.255.192.0 E. /14 F. /21 G. /26 H. /28 View AnswerAnswer: AHQ2. What are two core features of Cisco Nexus Operating System? (Choose two.) A. SNMPv3 B. RMON C. System Manager D. PSS E. VRF F.