Cisco CCIE Data Center Written Set 1

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Cisco CCIE Data Center Written Set 1

Which statement about SAN port channels configured on Cisco Nexus 5000 Series Switches is true?

A single SAN port channel can have both Fibre Channel and virtual Fibre Channel interfaces. ✘ SAN port channels can include up to 16 interfaces. ✘ SAN port channels distribute traffic across all links in the port channel when source ID and destination ID load balancing are used. ✘ The links in SAN port channels can be connected to different sets of switches. ✔ The On mode of operation means ports only operate as part of a SAN port channel or remain inactive. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Which capabilities are not supported in DCNM device manager?

manage SNMPv3 security access to switches ✘ save and copy configuration files and software images ✘ configure VLANs and Ethernet port channels ✘ manage 2148T FEX, 2232PP FEX, and 2248TP FEX ✔ configure FCoE ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

If the default VDC is configured to limit resources to a specific module type, what happens when a module that does not match the resource type is installed?

The module is powered up, and interfaces are in an "admin down" state. ✘ The module is denied power, and a syslog message is generated. ✘ The module is powered up, and interfaces are allocated to VDC0. ✘ The module is powered up, and interfaces are allocated to VDC100. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

What does the mac packet-classify command do when applied to an interface configuration?

It enables MAC ACLs to be applied to only IP packets that enter the interface. ✘ It enables MAC ACLs to be applied to only non-IP packets that enter the interface. ✘ It enables MAC ACLs to be applied to all packets that enter the interface. ✘ It enables MAC ACLs to be used for QoS settings. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

After configuring FabricPath, the following appears in the syslog:
%STP-2-L2GW_BACKBONE_BLOCK: L2 Gateway Backbone port inconsistency blocking port port- channel100 on VLAN0010.
What is the cause of this message?

STP must be disabled; message indicates that STP is enabled. ✘ STP is misconfigured; root guard must be disabled. ✘ An inferior BPDU is received on a Cisco FabricPath edge port. ✘ A superior BPDU is received on a Cisco FabricPath edge port. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

On the Cisco Nexus 7000 Series Switch, Control Plane Policing is enforced on which component?

The supervisor module enforces CoPP before out-of-policy traffic reaches the CPU ✘ The fabric modules enforce CoPP in the fabric before out-of-policy traffic reaches the CPU ✘ The linecards enforce CoPP locally before out-of-policy traffic reaches the CPU ✘ The egress virtual output queue enforces CoPP locally before out-of-policy traffic reaches the CPU ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

2012 Feb 23 23:00:08.676710 pim: [16132] (default-base) Received unauthenticated hello-message from 10.1.1.2 on Ethernet1/18, message discarded
2012 Feb 23 23:00:12.528763 pim: [16132] (default-base) Send Hello with AH on Ethernet1/18 from 10.1.1.1, holdtimE. 105 secs, dr-priority: 1
You are troubleshooting a PIM neighbor adjacency that is not coming up. You issued the command show ip pim neighbor e1/18 and confirmed there is no PIM neighbor on the interface.
What is the problem based on the debug output?

The peer router 10.1.1.2 has PIM disabled on its interface connecting to Ethernet1/18. ✘ The peer router 10.1.1.2 has the wrong PIM password configured on its interface connecting to Ethernet1/18. ✘ The local router 10.1.1.1 has the wrong PIM password configured on Ethernet1/18. ✘ The peer router 10.1.1.2 does not have PIM hello authentication enabled on its interface connecting to Ethernet1/18. ✔ The local router 10.1.1.1 does not have PIM hello authentication enabled for Ethernet1/18. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

What is the benefit of using Anycast RP via RFC 4610 for IP multicast RP redundancy?

Improves convergence of the multicast network due to enhanced RPF checks ✘ Simplifies the number of control plane protocols over other RP redundancy methods ✘ Eliminates the use of Protocol Independent Multicast (PIM) in the topology ✘ Increases the administrative distances in Multicast Source Discovery Protocol (MSDP) configuration ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Which statement best describes ACL configuration using configuration session mode on Cisco Nexus switches?

The verify command will validate commands entered for syntax errors. ✘ The save command will save the commands entered to the startup configuration. ✘ The network administrator can perform a dry-run ACL configuration by verifying the configuration against the hardware and software resources available beforeapplying it. ✘ Configuration sessions can be saved and resumed at any time, even after upgrading NX-OS Software on the switch with ISSU. ✔ Configuration sessions are global for all VDCs on the Nexus 7000. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

10.

Overlay Transport Virtualization (OTV) uses the Authoritative Edge Device (AED) to perform which tasks?

The AED is responsible for sending all unicast traffic in a site, while either node in a site can transmit multicast and broadcast. ✘ The AED is responsible for load balancing all traffic for all VLANs across the transport network. ✘ The AED is responsible for handling all unicast, broadcast, and multicast traffic for a given VLAN within a site. ✘ The AED is responsible for MAC address dispute contention for a given VLAN. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

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Cisco CCIE Data Center Written Set 1

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