What Precise 640-878 braindumps Is?

Q1. On Cisco IOS XR software, how is LDP enabled on an interface? 

A. LDP is automatically enabled globally on all interfaces, when ip cef is enabled globally. 

B. LDP is enabled on each interface, using the mpls ip interface configuration command. 

C. LDP is enabled on each interface, using the interface command under mpls ldp (MPLS LDP configuration mode). 

D. LDP is enabled globally on all interfaces, using the mpls ldp global configuration command. 

E. LDP is enabled globally on all interfaces, using the mpls ip global configuration command. 

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Q2. What is a requirement for performing Cisco IOS ISSU on the Cisco IOS XE-based ASR 1006 and ASR 1013 routers? 

A. must use consolidated package mode 

B. must use subpackage mode 

C. must have redundant RPs 

D. must have owner and nonowner SDRs 

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Q3. What is dual IOS mode on the Cisco ASR 1001 Router? 

A. redundant IOS processes that are running on the active RP and standby RP 

B. active and standby IOS processes that are running on a single RP 

C. separate Cisco IOS XE and IOS XR processes that are running on a single RP 

D. separate Cisco IOS XE and IOS XR processes that are running on two different RPs 

E. checkpointed redundant IOS processes that are running on two different RPs in active/active mode 

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Q4. Refer to the Cisco IOS XR commands exhibit. 

***Exhibit is Missing*** 

The router administrator is trying to activate a software package on the router but is not able to do so. Which statement about this problem is true? 

A. The router needs to be in the global configuration mode. 

B. The router needs to be in the admin global configuration mode. 

C. The router needs to be in the admin EXEC mode. 

D. The install activate command is not the correct command to use. 

E. The administrator needs to log in as the "root" user instead of the "admin" user. 

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Q5. Which three statements about service provider network requirements are true? (Choose three.) 

A. Service provider networks are becoming more specialized, with providers offering only one service. 

B. Service providers connect customers to the Internet. 

C. Jitter and packet loss are no longer an issue. 

D. Multiple access technologies are supported. 

E. Customers can connect directly using copper, wireless, or fiber-optic links. 

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Q6. Which three statements about access control lists on a Cisco IOS router are true? (Choose three) 

A. The more specific ACL entries should be placed at the top of the ACL. 

B. The generic ACL entries should be placed at the top of the ACL, to filter general traffic and reduce noise on the network. 

C. ACLs always search for the most specific entry before taking any filtering action. 

D. Router-generated packets cannot be filtered by the interface ACLs on the router. 

E. Extended ACLs should be placed as close to the destination as possible. 

F. There must be at least one permit statement in an ACL, or all traffic is denied. 

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Q7. Which four statements about REP configurations on a Cisco ME 3400 switch port are true? 

 (Choose four.) 

A. The port must be an NNI type and must be in trunk mode. 

B. Use the rep segment number command to enable REP on the switch port. 

C. A REP segment cannot be wrapped into a ring topology. REP supports only a topology where each REP segment has two exit points via two edge switches. 

D. The port where the segment terminates is called the edge port. 

E. With REP, at least one port is always blocked in any given segment-that is, the alternate port. 

F. If a failure occurs within the segment, the blocked port goes to the forwarding state after it goes through the listening state and the learning state. 

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Q8. On the Cisco ME 3400 switch, spanning tree is enabled by default on which type of switch port? 

A. UNI 

B. ENI 

C. NNI 

D. ENI and NNI 

E. UNI, ENI, and NNI 

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Q9. A service provider needs to implement a managed CE device that supports Cisco IOS ISSU, and the current CE support staff is highly trained in Cisco IOS only. Which Cisco router platform should the service provider implement as the managed CE device? 

A. Cisco ASR1K 

B. Cisco ISR-G2 

C. Cisco ASR9K 

D. Cisco 12000 GSR 

E. Cisco 7200 

F. Cisco 7600 

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Q10. You are enabling OSPF on a router and notice that all the Fast Ethernet and the Gigabit Ethernet interfaces have the same OSPF cost of 1. Which single configuration change can you make in router ospf configuration mode so that the Fast Ethernet interfaces have a higher OSPF cost than the Gigabit Ethernet interfaces? 

A. Change the OSPF interface cost globally. 

B. Change the OSPF default metric. 

C. Change the OSPF auto-cost reference bandwidth. 

D. Change the OSPF administrative distance. 

E. Change the OSPF metric type from E2 to E1. 

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