Lead2pass 2017 August New Cisco 200-155 Exam Dumps!
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Following questions and answers are all new published by Cisco Official Exam Center: https://www.lead2pass.com/200-155.html
QUESTION 41
The ARC is responsible for which two processes? (Choose two )
A. network policy configuration
B. fabric segmentation
C. BGP end-node emulation
D. ISL blocking per STP implementation
E. switch firmware management
Answer: AD
QUESTION 42
A network design engineer is asked to design a SAN (or a company Which two underlying principles of SAN design should be considered? Choose two.)
A. fault isolation, consolidation while maintaining isolation
B. future growth in LAN infrastructure
C. security management, preferential network security
D. scalability of LAN infrastructure, reduced Ethernet QoS complexity
E. short and long term port density and topology requirements
Answer: AE
QUESTION 43
After configuring a vPC between the core Nexus 7000 and the middle of row Nexus 5548, the network administrator notices that one of the port channel interfaces is 90% utilized, while the other interface in the port channel is rarely used Further analysis reveals that the over utilized port has traffic earning from a single server that is accessing an SQL database What configuration on the Nevus 5548 will help rebalance the vPC?
A. port-channel load-balance ethernet source-destination-ip
B. port-channel load-balance ethernet source-destination-mac
C. port-channel load-balance ethernet destination-port
D. port-channel load-balance ethernet source destination-port
Answer: D
QUESTION 44
Cisco Fabric Extender Technology is based on which IEEE standard?
A. 802.1BR
B. 802.1AX
C. 802.1AB
D. 802.1BA
Answer: A
Explanation:
802.1BA is for Audio Video bridging.
802.1AX is for Link Aggregation.
81.1AB is for Station and media access control connectivity discovery.
FEX is based on 802.1 bridge port extension.
QUESTION 45
Which port is used for an interswitch connection between switches in a multihop FCoE scenario?
A. N Port
B. VF Port
C. VN Port
D. VE Port
Answer: D
Explanation:
Two switches communicate using a virtual expansion port (VE Port) which makes an ISL, in a multihop FCoE scenario.
FCoE uses virtual ports and not the node port (N Port). Virtual node ports (VN Port) are the ports on the host.
VF ports are ports on a FC switch.
QUESTION 46
Which of the following is a virtual technology that helps create multiple route tables that function on the same physical router?
A. VSS
B. vPC
C. VRF
D. VSAN
Answer: C
Explanation:
Virtual routing and forwarding (VRF) creates an l3 routing instance that functions on the same router.
Virtual switching system (VSS) allows two switches to act as a single logical device, preferably a catalyst 6500 series switch.
Virtual port channel (vPC) combines two nexus switches with 10 gig links to act as a single logical device.
Virtual storage area network (VSAN) is a fabric technology which forms a collection of ports from connected fabric switches which can be partitioned into multiple VSANs.
QUESTION 47
Which statements are valid for a local SPAN configuration? (Choose two.)
A. Source and destination interface must be on the same host
B. Source and destination interfaces can be on different hosts
C. Destination vEthernet interface can be on a different VLAN than the source
D. Destination interface can be a physical port
E. Destination interface cannot be a physical port
Answer: AD
QUESTION 48
Which two options are advantages of a spine and leaf architecture? (Choose two )
A. robust multipathing
B. traffic that is optimized for east-west communication
C. star topology
D. traffic that is optimized for north-south communication
E. exponential scalability
Answer: AB
QUESTION 49
Which two Cisco Nexus 1000V Series Switch features exceed the functionality of the VWware vNetwork Distributed Switch? (Choose two )
A. access control lists
B. QoS marking
C. Network vMotion
D. port state migration
E. DV Port Groups
Answer: AB
QUESTION 50
Which two are benefits of Cisco Unified Fabric? (Choose two )
A. SNMPv3 strong authentication
B. reduced cabling
C. zone port distribution
D. consolidation of LAN and SAN over a common transport
E. native AES-256 encryption of data in flight
Answer: BD
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