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السؤال #1
Which two statements about data center design are correct? (Choose two.)
A. The most efficient traffic flow pattern is 50% east-west and 50% north-south
B. A data center that provides hosted services should scale based on customer demands
C. A multitier design provides better performance as the number of applications increase
D. An application may query several resources in response to a single user request
عرض الإجابة
اجابة صحيحة: BD
السؤال #2
Clos architectures are based on which network topology?
A. ring
B. VLANs
C. hybrid
D. spine and leaf
عرض الإجابة
اجابة صحيحة: D
السؤال #3
Which Junos NFV device is used to provide security in virtualized environments?
A. TCX1000
B. SSG20
C. IC6500
D. vSRX
عرض الإجابة
اجابة صحيحة: D
السؤال #4
You are designing a Layer 2 fabric implementation for a small data center and have chosen to implement a Virtual Chassis Fabric. You must accommodate two racks of servers with 1 Gbps connectivity, 10 racks of servers with 10 Gbps connectivity, and maintain a single management interface. Which device would satisfy the requirements in this implementation?
A. QFX5110
B. QFX10002
C. EX4600
D. EX4300
عرض الإجابة
اجابة صحيحة: A
السؤال #5
Click the Exhibit button. You are creating a resilient IP fabric for a data center based on a Clos architecture. Referring to the exhibit, which statement is true?
A. A physical link must be added between spine 2 and spine 3 and between spine 1 and spine 4
B. Additional physical links between spine 1 and spine 2 and between spine 3 and spine 4 must be added for resiliency
C. No physical links need to be added or removed
D. The physical links between spine 1 and spine 2 and between spine 3 and spine 4 must be removed
عرض الإجابة
اجابة صحيحة: D
السؤال #6
You are implementing a new financial application in your data center. You must ensure Web traffic to this server is secure. Which Junos feature would you use to accomplish this task?
A. graceful restart
B. antispam
C. AppSecure
D. Virtual Chassis
عرض الإجابة
اجابة صحيحة: C
السؤال #7
What are two requirements for a VXLAN tunnel endpoint (VTEP)? (Choose two.)
A. TCP session tracking
B. MAC address learning
C. IGMP filtering
D. IP address learning of interested VTEPs
عرض الإجابة
اجابة صحيحة: BD
السؤال #8
Which two statements are correct about current data center designs? (Choose two.)
A. Network functions are being virtualized
B. Public IP addresses are easy to obtain but not manage
C. There is a proliferation of distributed applications
D. There is a proliferation of monolithic applications
عرض الإجابة
اجابة صحيحة: AC
السؤال #9
You are designing an IP fabric using EBGP. In this scenario, what are two ways of designing the ASN scheme for the IP fabric? (Choose two.)
A. Assign the same ASN to all devices
B. Assign the ASN to all leaf devices and a separate ASN to all spine devices
C. Assign a unique ASN to each individual device
D. Assign the same ASN used by the WAN service provider to the spine devices
عرض الإجابة
اجابة صحيحة: CD
السؤال #10
You plan to deploy a set of SRX Series devices in an active/passive chassis cluster with an active/passive network infrastructure. Which two statements are true in this scenario? (Choose two.)
A. End-host traffic is serviced through both SRX nodes during non-failure conditions
B. End-host traffic is serviced through one SRX node during non-failure conditions
C. In non-failure conditions, the end-host traffic across the fabric link is present
D. In non-failure conditions, the end-host traffic across the fabric link is eliminated
عرض الإجابة
اجابة صحيحة: BD
السؤال #11
Which two statements about heating and cooling design are correct? (Choose two.)
A. All devices in a rack should be installed so that the port panels are on the same regardless of the air flow direction
B. All devices in a rack should be installed so that the air flow is in the same direction regardless of the port panel location
C. In the hot-aisle/cold-aisle design, air enters through vents in the hot-aisle and exists through cold-aisle vents
D. The hot-aisle/cold-aisle design maximizes the cooling potential of the air conditioning system
عرض الإجابة
اجابة صحيحة: CD
السؤال #12
What are two methods used to protect the data center perimeter? (Choose two.)
A. session authentication
B. DDoS protection
C. asset classification
D. network subnetting
عرض الإجابة
اجابة صحيحة: AB
السؤال #13
You have included in your data center design an SRX1500 chassis cluster. The RFP requires a documented upgrade process for the cluster that minimizes downtime. What satisfies this requirement in this scenario?
A. an in-service software upgrade
B. a topology-independent in-service software upgrade
C. a manual device upgrade
D. a nonstop software upgrade
عرض الإجابة
اجابة صحيحة: A
السؤال #14
You are creating a design proposal and deciding whether to use 10 GbE copper or 10GbE fiber cabling to connect your ToR switches to the servers. Which statement is correct regarding this scenario?
A. Fiber has a lower power consumption on a per-port basis
B. Copper cabling requires special transceivers for different speeds
C. Fiber is much cheaper to purchase but has a higher long-term cost
D. Copper will allow you to reach the greatest distance between devices
عرض الإجابة
اجابة صحيحة: A

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