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Q91. Which technology is an example of the need for a designer to clearly define features and desired performance when designing advanced WAN services with a service provider? 

A. FHRP to remote branches 

B. Layer 3 MPLS VPNs secure routing 

C. Control protocols (for example Spanning Tree Protocol) for a Layer 3 MPLS service 

D. Intrusion prevention, QoS, and stateful firewall support network wide 


Q92. Which of these Layer 2 access designs does not support VLAN extensions? 

A. FlexLinks 

B. loop-free U 

C. looped square 

D. looped triangle 

E. loop-free inverted U 


Q93. Which two of these are correct regarding the recommended practice for distribution layer design? (Choose two.) 

A. use a redundant link to the core 

B. use a Layer 2 link between distribution switches 

C. never use a redundant link to the core because of convergence issues 

D. use a Layer 3 link between distribution switches with route summarization 

E. use a Layer 3 link between distribution switches without route summarization 

Answer: A,D 

Q94. Which Cisco feature can be run on a Cisco router that terminates a WAN connection, to gather and provide WAN circuit information that helps switchover to dynamically back up the WAN circuit? 

A. Cisco Express Forwarding 


C. passive interface 

D. traffic shaping 


Q95. In a collapsed core design, which three benefits are provided by a second-generation Cisco MDS director? (Choose three.) 

A. a higher fan-out ratio 

B. fully redundant switches 

C. 100 percent port efficiency 

D. all ISLs contained within a single chassis 

E. higher latency and throughput than a core-edge design switch 

Answer: B,C,D 

Q96. Which STP enhancement can be configured on Layer 2 ports between distribution layer switches? 

A. LoopGuard 

B. PortFast 

C. UplinkFast 

D. RootGuard 


Q97. Which protocol is used in an in-band network and why? 

A. UDP, because it is connectionless 

B. SSH, because the username and password are encrypted 

C. Telnet, because the username and password are sent in clear 

D. MSDP, because it uses TCP as its transport protocol 


Q98. Which two WAN technologies support IEEE 802.1Q, site-to-site connectivity, and point-to-point connectivity between two offices? (Choose two.) 

A. Ethernet over MPLS 


C. Layer 3 MPLS 


E. cable 

Answer: A,B 

Q99. Which two protocols are used for high availability in enterprise networks? (Choose two.) 





Answer: B,D 

Q100. OSPF stub areas are an important tool for the Network designer; which of the following two should be considered when utilizing OSPF stub areas? (Choose two) 

A. OSPF stub areas increase the size of the LSDB with the addition of Type 3 and 5 LSAs 

B. OSPF not so stubby areas are particularly useful as a simpler form of summarization 

C. OSPF stub areas are always insulated from external changes 

D. OSPF totally stubby areas cannot distinguish among ABRs for the best route to destinations outside the area 

E. OSPF stub areas can distinguish among ASBRs for destinations that are external to the OSPF domain 

Answer: C,D