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Q81. When designing the routing for an Enterprise Campus network it is important to keep which of the following route filtering aspects in mind?
A. Filtering is only useful when combined with route summarization
B. It is best to filter (allow) the default and summary prefixes only in the Enterprise Edge to remote sites or site-to-site IPsec VPN networks
C. IGPs (for example EIGRP or OSPF) are superior to route filtering in avoiding inappropriate transit traffic through remote nodes or inaccurate or inappropriate routing updates
D. The primary limitation of router filtering is that it can only be applied on outbound updates
Answer: B
Q82. Given the addresses 10.10.16.0/24 and 10.10.23.0/24, which option is the best summary?
A. 10.10.0.0/16
B. 10.10.8.0/23
C. 10.10.16.0/23
D. 10.10.16.0/21
Answer: D
Q83. Which four primary attributes define a WAN service? (Choose four.)
A. bandwidth
B. bursting capacity
C. memory
D. CPU
E. QoS classes and policies
F. latency
G. multicast support
Answer: A,B,E,G
Q84. 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
B. VPLS
C. Layer 3 MPLS
D. DSL
E. cable
Answer: A,B
Q85. Which IPv4 multicast technical component measure provides architectural security?
A. IGMP max groups
B. access lists
C. scoped addresses
D. state limit
Answer: C
Q86. In which.OSI layer does.IS-IS operate?
A. Layer 1
B. Layer 2
C. Layer 3
D. Layer 4
Answer: C
Q87. Refer to the exhibit.
The network engineer wants to ensure that receiver A does not receive traffic from the video conference.
For multicast traffic, where must the filtering be placed to fulfill that requirement?
A. R1
B. Video Conference
C. A
D. S1
E. R2
Answer: D
Q88. Which statement about data center access layer design modes is correct?
A. The access layer is the first oversubscription point in a data center design.
B. The data center access layer provides the physical-level connections to the server resources and only operates at Layer 3.
C. When using a Layer 2 looped design, VLANs are not extended into the aggregation layer.
D. When using a Layer 3 design, stateful services requiring Layer 2 connectivity are provisioned from the aggregation layer.
Answer: A
Q89. An engineer is designing an address plan. Which IPv6 prefix removes any consideration regarding the number of hosts per subnet?
A. /32
B. /48
C. /64
D. /96
Answer: C
Q90. 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
