BROCADE-Brocade Certified Architect for FICON 2013

Question - 22 Maximum mark : - 37

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BROCADE-Brocade Certified Architect for FICON 2013

A systems programmer is asked to install a new IBM System zEC12 mainframe with 40 logical partitions. How many Logical Channel Subsystems (LCSS) must be defined to support this configuration?

4 ✘ 3 ✘ 2 ✘ 1 ✔ B

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

A systems programmer wants to cascade a new Brocade DCX 8510 to an existing DCX 8510. The systems programmer defined the domain ID in the LINK field of the CNTLUNIT macro as 0x10. Which domain ID should be defined within the DCX 8510 Director?

10 ✘ A ✘ 16 ✘ F ✔ C

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

You extensively use DB2 and have used MIDAW with good results. You recently purchased an IBM System zEC12 and an appropriate storage array. You have all the z/OS code levels and DASD array microcode requirements met to implement z High Performance FICON (zHPF). You are running FICON Express8S and have Brocade DCX 8510 FICON Directors. Which statement is true?

You need to select zHPF on the FMS configuration screen. ✘ You need to order smart optics so the DCX 8510 can distinguish between zHPF and normal FICON traffic. ✘ zHPF requires a virtual fabrics license so you can segment zHPF traffic from normal FICON traffic. ✘ There are no additional or special requirements to be done to a DCX 8510 for zHPF. ✔ D

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

A customer uses Brocade Network Advisor to copy the Allow/Prohibit matrix from a Brocade 5300 switch to a Brocade 6510 switch. What is the result?

A message is displayed that the copy is only allowed between equal switch types. ✘ The customer must accept a displayed message indicating that a port range will be copied. ✘ It copies the port address range 1-64 of the 5300 to the 6510 and displays a message that the additional port addresses from the larger switch are discarded. ✘ It copies the port address range 17-80 of the 5300 to the 6510 and displays a message that the additional port addresses from the larger switch are discarded. ✔ C

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

You have an IBM System zEC12 with a FICON SAN managed by Brocade Network Advisor for storage connectivity. You are implementing a multi-site virtual tape solution that uses IP replication between sites. You decide to use Brocade MLX Series routers for the IP replication traffic. Which statement is true?

The MLX Series routers must also be attached to an ESCON channel on the zEC12. ✘ Brocade Network Advisor can be used to manage both the FICON SAN and the MLX Series routers. ✘ The MLX Series routers must also be attached to a FICON channel on the zEC12. ✘ Brocade Network Advisor cannot be used to manage both the FICON SAN and the MLX Series routers. ✔ B

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

You want to overcome the limitation of 256 channel paths (CHPIDs) defined for a System z channel subsystem. Which System z architectural enhancement was introduced to overcome this limitation?

Parallel Access Volumes (PAVs) ✘ Multiple Channel Subsystems (CSSs) ✘ N_Port ID Virtualization (NPIV) ✘ Multiple Image Facility (MIF) ✔ B

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

You have a new, switch-based fabric that you want to use to provide connectivity for both mainframe FICON I/O and Windows FCP I/O. Which statement is true?

FCP always uses 8b/10b data encoding while FICON always uses 64b/66b data encoding. ✘ FICON will not use any host or storage ports that are not identified in HCD. ✘ Windows will be automatically isolated from the FICON volumes. ✘ z/OS cannot be run under virtualization on an open systems server. ✔ B

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

A customer has an 8 Gbps 15 km distance cascaded Brocade DCX environment. Performance continues to degrade over time on their long distance ISLs. They migrated from Fabric OS v6.0 to Fabric OS v7.0 and solved the problem. Why did Fabric OS v7.0 solve the problem?

Fabric OS v7.0 and above has a Buffer Credit Recovery feature. ✘ Fabric OS v7.0 and above changes the WAN_TOV value for extended distance ISLs to 2. ✘ Fabric OS v7.0 and above provides more initial buffer credits. ✘ Fabric OS v7.0 and above enables Forward Error Correction. ✔ A

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

A mainframe customer wants to attach open systems servers and storage onto an existing FICON fabric. What is Brocade's best practice?

Use two different zones, one for all FICON and one for all open systems devices. ✘ Use at least one common zone for FICON and use single initiator zoning for open systems devices. ✘ Put all FICON and open systems devices in a single zone. ✘ Use Default Zoning Mode (all access) for any-to-any connectivity. ✔ B

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

10.

A Brocade DCX 8510 customer with a single link cascaded FICON fabric (20 km distance) running at 8 Gbps experiences an increasing number of bit failures. The customer receives 10 CRC errors per hour. Which action should be taken?

Enable Forward Error Correction (FEC). ✘ Enable BCR Buffer Credit Recovery. ✘ Reset the counters and monitor the ISL carefully. ✘ Verify that all physical components in the ISL data path are functioning properly. ✔ D

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

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