2017 July Cisco Official New Released 300-320 Dumps in Lead2pass.com!
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Are you worring about the 300-320 exam? With the complete collection of 300-320 exam questions and answers, Lead2pass has assembled to take you through your 300-320 exam preparation. Each Q & A set will test your existing knowledge of 300-320 fundamentals, and offer you the latest training products that guarantee you passing 300-320 exam easily.
Following questions and answers are all new published by Cisco Official Exam Center: https://www.lead2pass.com/300-320.html
QUESTION 76
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: AD
QUESTION 77
Which multicast implementation strategy provides load sharing and redundancy by configuring intradomain RPs as MSDP peers?
A. anycast RP
B. auto-RP
C. bootstrap router
D. static RP
Answer: A
Explanation:
Anycast RP is a useful application of MSDP. Originally developed for interdomain multicast applications, MSDP used for Anycast RP is an intradomain feature that provides redundancy and load-sharing capabilities. Enterprise customers typically use Anycast RP for configuring a Protocol Independent Multicast sparse mode (PIM-SM) network to meet fault tolerance requirements within a single multicast domain.
https://www.cisco.com/c/en/us/td/docs/ios/solutions_docs/ip_multicast/White_papers/anycast.html#wp1029118
QUESTION 78
Which option maximizes EIGRP scalability?
A. route redistribution
B. route redundancy
C. route filtering
D. route summarization
Answer: D
QUESTION 79
Which practice is recommended when designing scalable OSPF networks?
A. Maximize the number of routers in an area.
B. Minimize the number of ABRs.
C. Minimize the number of areas supported by an ABR.
D. Maximize the number of router adjacencies.
Answer: C
QUESTION 80
Which two options improve BGP scalability in a large autonomous system? (Choose two.)
A. route reflectors
B. route redistribution
C. confederations
D. communities
Answer: AC
QUESTION 81
Which option lists the EIGRP minimum timer settings for hello and dead timers in seconds?
A. 4 and 6
B. 2 and 4
C. 2 and 6
D. both 6
Answer: C
QUESTION 82
Which option is the Cisco preferred, most versatile, and highest-performance way to deploy IPv6 in existing IPv4 environments?
A. dual stack
B. hybrid
C. service block
D. dual service
Answer: A
QUESTION 83
Which option is the preferred and most versatile model to deploy IPv6 in existing IPv4 environments?
A. hybrid
B. service block
C. dual stack
D. processes
Answer: C
QUESTION 84
Which router type injects external LSAs into the OSPF database using either other routing protocols or static routes?
A. backbone router
B. ABR
C. internal router
D. designated router
E. ASBR
Answer: E
QUESTION 85
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
QUESTION 86
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
QUESTION 87
Which two VPN solutions extend the routing capabilities of basic IPsec VPNs? (Choose two.)
A. GRE
B. NVI
C. DES
D. VTI
E. AES
Answer: AD
QUESTION 88
Which option is an advanced WAN services design consideration for a multipoint architecture that connects two or more customer devices using Ethernet bridging techniques over an MPLS network?
A. VPLS
B. Metro Ethernet
C. MPLS
D. SONET/SDH
Answer: A
QUESTION 89
Which three options are basic technical metrics that a good SLA includes? (Choose three.)
A. packet loss
B. devices
C. latency
D. clients
E. IP availability
F. distance
Answer: ACE
QUESTION 90
Which option is a benefit of site-to-site VPNs?
A. less configuration required than a WAN circuit
B. more secure than a dedicated WAN circuit
C. less expensive than a dedicated WAN circuit
D. more reliable than a dedicated WAN circuit
Answer: C
QUESTION 91
Which three options are basic design principles of the Cisco Nexus 7000 Series for data center virtualization? (Choose three.)
A. easy management
B. infrastructure scalability
C. cost minimization
D. upgrade of technology
E. transport flexibility
F. operational continuity
Answer: BEF
QUESTION 92
Which two options are advantages of having a modular design instead of an EOR design in a data center? (Choose two.)
A. cooling constraints
B. cable bulk
C. decreased STP processing
D. redundancy options
E. cost minimization
F. low-skilled manager
Answer: AB
Explanation:
There are some disadvantages with EOR designs:
· Cable bulk: More cabling needs to be routed and managed.
· Cooling constraints: The cable bulk at the cabinet floor entry can be difficult to manage and can block cool airflow.
NOTE for your learnings:
There are several advantages with EOR designs:
· Decreased management complexity: There are fewer devices to manage, which makes this task less complex.
· Decreased STP processing: With fewer devices in the Layer 2 infrastructure and significantly fewer uplinks, there is less impact on STP processing.
· Redundancy options: Redundant switch power and CPUs can be supported on modular switches.
QUESTION 93
Which statement about NIC teaming configurations is true?
A. With ALB, all ports use one IP address and multiple MAC addresses.
B. With AFT, two NICs connect to the different switches.
C. With SFT, all ports are active.
D. With AFT, all ports use one IP address and multiple MAC addresses.
Answer: A
Explanation:
· Adapter fault tolerance (AFT): With AFT designs, two NICs connect to the same switch. One adapter is active and the other standby, and they use one common IP address and MAC address.
· Switch fault tolerance (SFT): With SFT designs, one port is active and the other standby, and they use one common IP address and MAC address.
· Adaptive load balancing (ALB): With ALB designs, one port receives and all ports transmit using one IP address and multiple MAC addresses.
QUESTION 94
Which two services are provided at the aggregation layer in a data center design? (Choose two.)
A. service module integration
B. default gateway redundancy
C. high-speed packet switching backplane
D. network interface card teaming
E. Layer 3 domain definitions
Answer: AB
QUESTION 95
Which two options are two benefits of a Layer 2 looped model? (Choose two.)
A. extends VLANs between switches that are connected to a common aggregation module
B. prevents uplink ports from entering the spanning-tree blocking state
C. provides quick convergence with Rapid Spanning Tree Protocol
D. increases performance to end hosts using directly connected, bonded Layer 2 links
Answer: AC
QUESTION 96
ACME corporation owns a single MDS.
Which two SAN tools can be used to optimize the use and cost of the switching hardware? (Choose two.)
A. zoning
B. IVR
C. VSAN
D. iSCSI
Answer: AC
QUESTION 97
Source traffic is sent to a VIP on an SLB device, which in turn is routed to the destination server. Return traffic is policy-based routed back to the SLB.
Which SLB design has been implemented?
A. router mode
B. inline bridge mode
C. one-armed mode
D. two-armed mode
Answer: D
QUESTION 98
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: ABCF
QUESTION 99
Which three options are the three layers of the Cisco design in the data center architecture? (Choose three.)
A. core layer
B. distribution layer
C. service layer
D. aggregation layer
E. Layer 2 domain sizing
F. access layer
Answer: ADF
QUESTION 100
Which three virtualization categories are in campus networks? (Choose three.)
A. Layer 2 virtualization
B. Layer 3 clustering
C. network virtualization
D. device virtualization
E. network clustering
F. device clustering
Answer: CDF
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