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Q141. Which QoS architecture provides scalability of implementation?
A. IntServ
B. DiffServ
C. LLQ
D. RSVP
Answer: B
Q142. Which part of the Layer 3 header is used to identify a flow in NetFlow but it is not used for NBAR?
A. source port
B. ToS
C. protocol type
D. source IP
Answer: B
Q143. EIGRP uses which algorithm to build a routing table?
A. Dijkstra's algorithm
B. Floyd-Warshall algorithm
C. Diffusing Update Algorithm
D. Johnson's algorithm
Answer: C
Q144. Summary address blocks can be used to support which network application?
A. QoS
B. IPsec tunneling
C. Cisco TrustSec
D. NAT
E. DiffServ
Answer: D
Q145. Which protocol will not adhere to the design requirement of the control plane being either separated or combined within a virtualization technology?
A. FHRP
B. STP
C. CEF
D. NSF with SSO
Answer: B
Q146. What are two benefits of using 6to4 as an IPv6 transition method? (Choose two.)
A. 6to4 tunnels allow isolated IPv6 domains to be remotely connected over IPv4 networks.
B. Manual configuration (scalability) is easier.
C. Point-to-multipoint automatic tunneling (automatic 6to4) is available.
D. An infinite number of address spaces are allocated to an IPv6 subnet.
E. Globally unique IPv4 addresses are not required.
Answer: A,C
Q147. CoS is applied for Layer 2 markings in an Ethernet environment. Which protocol must be configured on the Layer 2 switch port for CoS to work?
A. MPLS
B. IEEE 802.1W
C. IEEE 802.1Q
D. IEEE 802.1S
Answer: C
Q148. Which type of application traffic typically requires prioritization across networks and may use a DSCP value of 34 (AF41)?
A. voice
B. interactive video
C. call signaling
D. routing
E. streaming video
F. network management
Answer: B
Q149. Which two design recommendations are most appropriate when OSPF is the data center
core routing protocol? (Choose two.)
A. Never use passive interfaces.
B. Use NSSA areas from the core down.
C. Use totally stub areas to stop type 3 LSAs.
D. Use the lowest Ethernet interface IP address as the router ID.
E. Manipulate the reference bandwidth.
Answer: B,E
Q150. Which security feature can help prevent spoofed packets on the network?
A. uRPF
B. ACLs
C. DAI
D. DHCP spoofing
Answer: A