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2021 Nov 642-998 pdf:
Q1. Your customer has a requirement to load balance traffic to rich media servers connected to the data center access layer.
Which Cisco ACE Service Module deployment topology will yield the highest potential bandwidth to subscribers?
A. Transparent
B. One-Arm
C. Routed
D. Inline
E. Asymmetric Server Normalization
Answer: E
Q2. Which protocol is best suited for connecting two data centers together?
A. LISP
B. OTV
C. FabricPath
D. vPC
Answer: B
Q3. Which option should be part of network design considerations when proposing a design for Microsoft Exchange 2010 running on Cisco UCS blade servers?
A. high-availability during fabric failover
B. proper placement of server role
C. over committing CPU resources
D. additional virtual machine scalability
Answer: A
Q4. What represents a feature to secure OSPF routing exchanges?
A. OSPF peer authentication
B. OSPF route authentication
C. OSPF process authentication
D. OSPF database exchange authentication
Answer: A
Q5. When multicast traffic is a required design element, why is the Cisco UCS 6248UP a better choice than the Cisco UCS 6140XP?
A. Cisco UCS 6140XP does not allow multicast traffic propagation.
B. Cisco UCS 6140XP does not support IGMP snooping on uplink interfaces.
C. Cisco UCS 6248UP employs separate unicast and multicast egress queues.
D. Cisco UCS 6248UP supports PIM dense mode rendezvous points.
E. Cisco UCS 6248UP supports dynamic queue mapping of IGMP v3 requests.
Answer: C
Abreast of the times examcollection 642-998:
Q6. What technology is necessary to support vPC+?
A. MPLS
B. OTV
C. FabricPath
D. vCenter
E. RPVST
F. MST
Answer: C
Q7. What is your recommendation to a customer interested in slowing power consumption in the data center? (Choose two.)
A. Consolidate servers through virtualization.
B. Convert servers from 220v to 110v.
C. Implement Cisco Unified Fabric.
D. Convert from AC to DC power distribution.
E. Stop using redundant power supplies.
Answer: AC
Q8. Which three options are examples of NHRP? (Choose three.)
A. OSPF
B. HSRP
C. VRRP
D. GLBP
E. OCSP
F. EIGRP
G. MPLS
Answer: BCD
Q9. What allows for STP to be disabled yet support a loop-free topology even on link or switch failure?
A. LACP
B. OTV
C. vPC
D. vPC+
E. FabricPath
Answer: E
Q10. Which option configured on Cisco Nexus 7000 Series data center switches ensures the confidentiality of server data beginning at the ingress switch port?
A. Host vPC+
B. Linksec
C. MACsec
D. LACP
E. IPsec
Answer: C