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Question 1.
A technician wants to specify and control network traffic by class so that certain types of traffic receive precedence in a Contivity configuration. The technician plans to accomplish this control by utilizing a protocol that uses the TOS field in the IP packet header to notify network devices which "Per-hop Behavior" to apply to each outing traffic flow.
Assuming the Advanced Routing license has been purchased for this system, which protocol will provide the required functionality?
A. DiffServ
B. Call Admission Protocol (CAP)
C. Network Address Translation (NAT)
D. Resource Reservation Protocol (RSVP)
Answer: A
Question 2.
A technician wants to ensure a certain level of latency and bandwidth allocation in a Contivity configuration based on weighted fair queuing (WFQ) and weighted random early detection (WRED).
Which QoS mechanism should be utilized?
A. Forwarding Priority
B. Call Acceptance Priority
C. Resource Reservation Priority
D. Bandwidth Management Priority
Answer: A
Question 3.
A QoS strategy is being established for a Contivity network in a MAN environment. For this particular situation, aspects of both DiffServ and Forwarding Priority would be helpful.
What consideration must be given to DiffServ and Forwarding Priority in this scenario?
A. DiffServ can not be configured if Forwarding Priority is enabled.
B. Only DiffServ or Forwarding Priority can be active at any one time.
C. If both are active, DiffServ takes precedence over Forwarding Priority.
D. If both are active, Forwarding Priority takes precedence over DiffServ.
Answer: B
Question 4.
A technician is utilizing Call Admission Priority as a QoS mechanism on a Contivity system.
Which definition best describes this feature?
A. Call Admission Priority prioritizes acceptance of incoming connections on a per-group basis.
B. Call Admission Priority allows an administrator to provision specific subscription rates on a per-
tunnel basis.
C. Call Admission Priority is a signaling protocol used to reserve the required bandwidth on an
end-to-end network.
D. Call Admission Priority is an internal QoS mechanism that assures a certain level of latency
band bandwidth allocation based on weighted fair queuing (WFQ) and weighted random early
detection.
Answer: A
Question 5.
A customer's Contivity system is operating in a Ethernet network. Traffic flow within the LAN is prioritized so that higher priority traffic is queued ahead of lower priority traffic according to 802.1p specifications. If a packet enters the Contivity and is marked with priority 1, and other traffic arrives and is marked with priority 7, how will the traffic be handled?
A. Priority 1 traffic is never queued.
B. Priority 7 traffic is never queued.
C. Priority 1 traffic will be queued ahead of priority 7 traffic.
D. Priority 7 traffic will be queued ahead of priority 1 traffic.
Answer: C
Question 6.
A QoS strategy is being established for a Contivity network. For this particular situation, aspects of both DiffServ and Bandwidth Management would be helpful.
What consideration must be given to DiffServ and Bandwidth Management in this scenario?
A. Both require the Advanced Routing license.
B. If DiffServ is configured, Bandwidth Management can not be used.
C. If Bandwidth Management is configured, DiffServ can not be used.
D. Only DiffServ or Bandwidth Management can be active at one time.
Answer: A
Question 7.
Virtual Router Redundancy Protocol (VRRP) has been configured to run as master on a physical interface of a Contivity switch. Three additional interfaces have been associated with this master VRRP interface by use of an interface group. Assume one of the three additional interface groups has gone down.
How will the Contivity react?
A. will force a VRRP fail-over
B. will reroute traffic to the associated VRRP master interface
C. will reroute traffic to one of the two remaining additional interface groups
D. no action necessary since two additional interfaces are available to the master
Answer: A
Question 8.
Virtual Router Redundancy Protocol (VRRP) has been configured to run as master on a physical interface of a Contivity switch. Two additional interface groups have been associated with this master VRRP interface by use of an interface group. Assume these two additional interface groups have gone down.
Which statement best describes the state of the VRRP master interface in this scenario?
A. The VRRP master interface stays in the down state until all associated interface groups come
up.
B. The VRRP master interface remains in the up state as long as the master physical interface is
up.
C. The VRRP master interface goes into a hold state until at least one of the two interface groups
comes up.
D. The VRRP master interface goes into a down state until at least one of the two interface
groups comes up.
Answer: A
Question 9.
In a Contivity network, a technician has enabled the Fail-over feature so that the Contivity VPN Client will attempt to connect to one or more alternate Contivity devices if the primary Contivity fails.
Which statement is TRUE regarding the IP addresses specified for the alternate Contivity devices in the Fail-over?
A. must be for public interfaces
B. must be for private interfaces
C. can be for public or private interfaces
D. must match the primary Contivity interface address
Answer: A
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Question 1. Name the Celerra software feature which creates a remote synchronous copy of production file systems at a remote location. A. SnapSure B. Celerra TimeFinder/FS C. Celerra SRDF D. Celerra Checkpoint Answer: C Question 2. State the function of Centera Viewer for the System Administrator. A. Create and manage volumes B. Develop and maintain filesystem structure C. Verify data authenticity D. Monitor capacity and performance Answer: D Question 3. Explain how free space is maintained in CLARiiON write cache. A. Low watermark flushing is suspended during write operations B. Cache is flushed using three algorithms: Idle, Watermark and Forced C. Cache is flushed only during read operations D. Cache is automatically flushed every 90 minutes Answer: B Question 4. Explain how cache is allocated in a CLARiiON array. A. track B. partition C. page D. segment Answer: C Question 5. How much space must be set aside in the array for the SnapView Clone Private LUN (CPL), per CLARiiON Storage Processor? A. CPL must be same size as Source LUN B. 256MB C. 128MB D. 64 MB Answer: C Question 6. In addition to EMC arrays, name the other arrays which are supported by PowerPath. A. NETAPP FAS980 B. IBM ESS(Shark) C. IBM DS800 D. Sun StorEdge A5200 Answer: B Question 7. Explain what an iSCSI naming convention is. A. DNS B. CHAP C. EUI D. DHCP Answer: C Question 8. Name two [2] features of Celerra Replicator. A. Only sends changed data over the IP network B. Synchronous data recovery C. Point-in-time copy over IP network D. Only sends Control Station configuration parameters over the IP network Answer: C, D Question 9. Name the failover mode which is provided by Celerra TimeFinder/FS Near Copy. A. Real-time adaptive copy B. Full duplex asynchronous C. Real-time semi-synchronous D. Real-time synchronous Answer: D Question 10. Name a characteristic of cache memory on a CLARiiON array with cache enabled on the SP. A. Page size is set for the array B. Write cache is not mirrored C. Page size is set for each LUN D. Write cache is always mirrored Answer: D Question 11. Name the ControlCenter functionality which restricts host access to a defined set of logical devices on a given storage array. A. Automated Resource Manager B. Storage Device Masking C. Symmetrix Optimizer D. Storage Provisioning Services Answer: B
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