All About Best Quality 640-875 exam

Q1. Refer to the exhibit. 

Which two statements about these partial Cisco IOS/IOS-XE configurations are true? (Choose two.) 

A. 10.1.1.2 is the inside local address. 

B. 192.168.1.2 is the outside local address. 

C. 192.168.1.2 is the outside global address. 

D. This is an example of static one-to-one Network Address Translation. 

E. This is an example of static Port Address Translation. 

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Q2. With a distance vector routing protocol like RIPv1, when is a route in the routing table placed in the "possibly down" state? 

A. when a router receives an update from its neighbor router about a network in its routing table but with a worse metric 

B. when a router receives an update from its neighbor router about a network in its routing table but with a better metric 

C. when a router receives an update from its neighbor router indicating that a previously accessible network is now inaccessible 

D. whenever the router receives an update from its neighbor about a newly learned network 

E. whenever the router interface that is used to reach the remote network goes down 

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Q3. Which two statements about transparent bridging operations are true? (Choose two.) 

A. A bridge builds its MAC address table dynamically using the spanning-tree protocol. 

B. A bridge operates at the data link layer. 

C. A bridge sends unknown unicast frames out on all ports except the incoming port. 

D. A bridge forwards traffic based on the destination IP address. 

E. All the ports on the bridge belong to the same collision domain. 

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Q4. When two or more different routes exist to the same destination that have been learned from two different routing protocols, what does a router use to determine the best route? 

A. routing protocol metric 

B. administrative distance 

C. hop count 

D. path cost 

E. local preference 

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Q5. What is the result of using the Cisco IOS copy tftp: run command? 

A. The running configuration on the Cisco IOS device is backed up to the TFTP server. 

B. Only new configuration parameters from the saved configuration file on the TFTP server are added to the running configuration. No changes to any existing configuration parameters in the running configuration are made. 

C. The running configuration on the Cisco IOS device is replaced with the saved configuration file on the TFTP server. 

D. The configuration stored in the TFTP server is merged with the running configuration on the Cisco IOS device. 

E. The saved configuration file from the TFTP server is copied to the target configuration. 

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Q6. Using VLSM, how many /30 subnets can be derived from a single /27 Class C subnet? 

A. 1 

B. 2 

C. 4 

D. 8 

E. 12 F. 16 

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Q7. When EIGRP is enabled on Cisco IOS XR, which EIGRP feature is on by default? 

A. no auto-summary 

B. stub routing 

C. unequal cost paths load-balancing 

D. no ip eigrp split-horizon 

E. eigrp authentication 

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Q8. Which statement about 10/40/100 GigabitEthernet interface configuration on Cisco IOS XR is true? 

A. Use the negotiation auto command in interface configuration mode to enable link auto-negotiation to ensure that devices that share a link segment are automatically configured with the highest performance. 

B. The configuration supports only full-duplex operation. 

C. The range for MTU values is 64 bytes to 1518 bytes on the interface. 

D. The interface has no flow control configuration. 

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Q9. What are the three RFC 1918 IPv4 private address ranges? (Choose three.) 

A. 10.0.0.0 - 10.255.255.255 

B. 172.16.0.0 - 172.255.255.255 

C. 172.16.0.0 - 172.31.255.255 

D. 192.168.0.0 - 192.168.31.255 

E. 192.168.0.0 - 192.168.255.255 

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Q10. Which two applications require the network to have the least amount of jitter, delay, and packet loss? (Choose two.) 

A. FTP 

B. SSH 

C. VoIP 

D. email 

E. Cisco TelePresence 

F. web browsing 

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