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640-911 Exam Questions - Online Test


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Q1. Which device would you select to partition a network into VLANs? 

A. repeater 

B. bridge 

C. switch 

D. router 

E. hub 

Answer: C

Q2. What are three reasons that switches supersede bridges? (Choose three.) 

A. Smaller frame buffers decrease latency. 

B. Forward, filter, or flood frames. 

C. Multiple simultaneous communications between ports. 

D. Larger inspection engine allows for higher throughput. 

E. Switches have many ports. 

Answer: BCE

Q3. 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

Q4. In an IEEE 802.3 Ethernet frame, what is the significance of the DSAP field? 

A. The DSAP field specifies the TCP or UDP port that is associated with the transport protocol. 

B. The DSAP field is only used on United States Department of Defense networks to indicate the information classification level. 

C. The DSAP field is only used in Ethernet II frames. 

D. The DSAP field indicates the network layer protocol. 

Answer: D

Q5. What are three modular Layer 2 processes in Cisco Nexus Operating System? (Choose three.) 

A. UDLD 

B. PIM 

C. HSRP 

D. STP 

E. Cisco Discovery Protocol 

F. OSPF 

Answer: ADE

Q6. Which option is an example of a link-state routing protocol? 

A. EIGRP 

B. RIP 

C. OSPF 

D. ARP 

Answer: C

Q7. 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 

Answer: D

Q8. 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

Q9. Which option is an example of an advanced distance vector routing protocol? 

A. EIGRP 

B. RIP 

C. OSPF 

D. ARP 

Answer: A

Q10. 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