Q131. 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
Q132. A network engineer is designing an address plan based on network applications. Which application presents the greatest need for its own address block?
A. IP telephony
B. management
C. multicast
D. physical security
Answer: A
Q133. A campus network in a switch block design requires redundant distribution switches, load sharing across uplinks, a loop-free topology, and only one gateway IP address per VLAN. Which switching technology meets all of the requirements?
A. HSRP
B. VSS
C. Spanning Tree Protocol
D. EtherChannel
Answer: B
Q134. Which two ways to manage scalability issues inside an IBGP domain with 20 or more routers are recommended? (Choose two.)
A. Configure route reflectors.
B. Use OSPF instead of EIGRP as an underlying routing protocol.
C. Create a full mesh at Layer 1.
D. Configure confederations.
E. Configure static routes between all routers.
Answer: A,D
Q135. Which of these statements is correct regarding Stateful Switchover and Cisco Nonstop Forwarding?
A. Utilizing Cisco NSF in Layer 2 environments can reduce outages to one to three seconds.
B. Utilizing SSO in Layer 3 environments can reduce outages to one to three seconds.
C. Distribution switches are single points of failure causing outages for the end devices.
D. Utilizing Cisco NSF and SSO in a Layer 2 environment can reduce outages to less than one second.
E. NSF and SSO with redundant supervisors have the most impact on outages at the access layer.
Answer: E
Q136. Which command can you enter to inject BGP routes into an IGP?
A. redistribute bgp
B. redistribute static
C. redistribute static subnet
D. default-information originate
Answer: A
Q137. Which VRF component ensures control plane separation between the different Layer 3 VPNs?
A. FIB
B. routing protocol instance
C. RIB
D. a subset of the router interfaces
Answer: B
Q138. A company uses site-to-site IPsec VPN tunnels established over the public internet as a backup to its private WAN. The interoffice IP telephony service quality is degraded when a failover event occurs. What known design limitation can cause this issue?
A. maximum headend router throughput
B. circuit bandwidth
C. transport reliability
D. number of remote sites
Answer: C
Q139. Which four options are network virtualization technologies that are employed in the data center? (Choose four.)
A. VLAN
B. VSAN
C. VRF
D. VRP
E. VLC
F. VPC
Answer: A,B,C,F
Q140. Which IPv4 multicast technical component measure provides architectural security?
A. IGMP max groups
B. access lists
C. scoped addresses
D. state limit
Answer: C