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[2018-April-New]Full Version 300-320 Exam Dumps (VCE and PDF) 447Q for Free Download[124-134]

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QUESTION 124
Which two characteristics are most typical of a SAN? (Choose two.)

A. NICs are used for network connectivity.
B. Servers request specific blocks of data.
C. Storage devices are directly connected to servers.
D. A fabric is used as the hardware for connecting servers to storage devices.
E. The TCO is higher because of the cost of director class storage switches.

Answer: BD

QUESTION 125
Which of these is least important when determining how many users a NAS can support?

A. bandwidth
B. number of plug-ins per scan
C. total number of network devices
D. number of checks in each posture assessment

Answer: A

QUESTION 126
Which of these is true of IP addressing with regard to VPN termination?

A. addressing designs need to allow for summarization
B. termination devices need routable addresses inside the VPN
C. IGP routing protocols will update their routing tables over an IPsec VPN
D. designs should not include overlapping address spaces between sites, since NAT is not supported

Answer: C
Explanation:
An IPsec VPN is an overlay on an existing IP Network. The VPN termination devices need routable IP addresses for the outside Internet connection. Private IP address can be used on the inside of the VPN. Just a good IP network design supports summarization, the VPN address space needs to be designed to allow for network summarization. NAT may be needed to support overlapping address space between sites in an organization.
QUESTION 127
At a certain customer’s site, a NAS is both physically and logically in the traffic path. The NAS identifies clients solely based on their MAC addresses. In which access mode has this NAS been configured to operate?

A. Layer 2 mode
B. Layer 3 Edge mode
C. Layer 3 Central mode
D. Layer 3 In-Band mode

Answer: A

QUESTION 128
Which path selection protocol is used by Fibre Channel fabrics?

A. IVR
B. VoQ
C. FSPF
D. VSANs
E. SANTap

Answer: C

QUESTION 129
Which of these statements best describes VPLS?

A. Neither broadcast nor multicast traffic is ever flooded in VPLS.
B. Multicast traffic is flooded but broadcast traffic is not flooded in VPLS.
C. VPLS emulates an Ethernet switch, with each EMS being analogous to a VLAN.
D. Because U-PE devices act as IEEE 802.1 devices, the VPLS core must use STP.
E. When the provider experiences an outage, IP re-routing restores PW connectivity and MAC
re-learning is needed.

Answer: C

QUESTION 130
How does ERS use the VLAN tag?

A. to provide service internetworking
B. to support transparency for Layer 2 frames
C. as a connection identifier to indicate destination
D. as a mapping to the DLCI in service internetworking
E. to provide a trunk by which all VLANs can navigate from one site to one or multiple sites

Answer: C

QUESTION 131
Which two of these correctly describe Fibre Channel? (Choose two.)

A. supports multiple protocols
B. works only in a shared or loop environment
C. allows addressing for up to 4 million nodes
D. allows addressing for up to 8 million nodes
E. provides a high speed transport for SCSI payloads
F. may stretch to a distance of up to 100 km before needing extenders

Answer: AE
Explanation:
Fibre Channel includes these features:
• Addressing for up to 16 million nodes
• Loop (shared) and fabric (switched) transport options
• Host speeds of 100 to 400 MBps, or an effective throughput of 1 to 4 Gbps on the fabric
• Segment distances of up to 6 miles (10 km)
• Support for multiple protocol
https://www.safaribooksonline.com/library/view/foundation-learning-guide/9780132652933/ch06.html

QUESTION 132
In which NAS operating mode are ACL filtering and bandwidth throttling only provided during posture assessment?

A. Layer 2
B. Layer 3
C. in-band
D. out-of-band
E. edge
F. central

Answer: D
Explanation:
https://www.safaribooksonline.com/library/view/foundation-learning-guide/9780132652933/ch06.html
“In out-of-band traffic flow, the Cisco NAS is in the traffic path only during the posture assessment.
Out-of-band mode provides VLAN port-based and role-based access control. ACL filtering and bandwidth throttling are provided only during posture assessment.”

QUESTION 133
A customer has seven sites, three of which process a large amount of traffic among them. The customer plans to grow the number of sites in the future. Which is the most appropriate design topology?

A. full mesh
B. peer-to-peer
C. partial mesh
D. hub and spoke

Answer: C

QUESTION 134
Which two statements correctly identify considerations to take into account when deciding on Campus QoS Design elements? (Choose two.)

A. Voice needs to be assigned to the hardware priority queue.
B. Voice needs to be assigned to the software priority queue.
C. Call signaling must have guaranteed bandwidth service.
D. Strict-priority queuing should be limited to 50 percent of the capacity of the link.
E. At least 33 percent of the link bandwidth should be reserved for default best-effort class.

Answer: AC


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