Download CCIE Data Center Written Exam.400-151.ExamTopics.2026-04-09.129q.vcex

Vendor: Cisco
Exam Code: 400-151
Exam Name: CCIE Data Center Written Exam
Date: Apr 09, 2026
File Size: 7 MB
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Demo Questions

Question 1
What are the two parallel SCSI specifications? (Choose two.)
  1. Up to 25 m bus length
  2. Only one device per SCSI bus
  3. Up to 16 devices per SCSI bus
  4. Half-duplex operation
  5. Full-duplex operation
Correct answer: A, C
Question 2
Which Ethernet field is used to differentiate between the FCoE frame and the FIP frame?
  1. Ethernet FCS
  2. Source address
  3. Destination address
  4. EtherType
  5. Protocol type
Correct answer: D
Question 3
Which statement describes the FIP function of the FCoE Initiation Protocol?
  1. It is required to establish the point-to-point FCoE links with the first switch in the path.
  2. It is required to establish the point-to-point FCoE links with any switch across multiple Ethernet segments.
  3. It is not used to build the FCoE links.
  4. It is used to ensure lossless transport.
Correct answer: B
Question 4
When configuring unified ports on a 5548 switch, which port ordering must be respected? (Choose two.)
  1. Fibre Channel ports must be configured from the first port in the module.
  2. Ethernet ports must be configured from the last port in the module.
  3. Fibre Channel ports must be configured from the last port in the module.
  4. Ethernet ports must be configured from the first port in the module.
Correct answer: C, D
Question 5
On a Nexus 5000 Series Switch, when a VFC is not online, what are the causes? (Choose three.)
  1. LLDP transmit and receive are disabled
  2. The initiator server has no connectivity to the target storage
  3. FIP negotiation timing
  4. Peer does not support LLDP
  5. VSAN trunk protocol has been enabled
Correct answer: A, B, D
Question 6
Traffic drop for FCoE is experienced across a Nexus 5548 switch. What is a possible cause?
  1. Server's CNA does not support DCBX and PFC TLV was not negotiated.
  2. A "no-drop" class has not been configured for FCoE.
  3. The system is running with the default QOS policies.
  4. The link is oversubscribed.
Correct answer: A
Question 7
Which command is used to determine if a host has logged in to the Fibre Channel fabric?
  1. show flogi database
  2. show system fc login
  3. show npv flogi-table
  4. show npv fcns database
  5. show interface vfc X flogi
  6. show interface flogi
Correct answer: C
Question 8
Which two Fibre Channel features are not supported in Cisco Nexus 5500 and Nexus 5000 platforms? (Choose two.)
  1. port security
  2. fabric binding
  3. IVR
  4. port tracking
  5. FICON
Correct answer: C, E
Question 9
Consistency checks and compatibility checks are performed before a Virtual PortChannel (vPC) is created. During a compatibility check, one vPC peer conveys configuration information to the other vPC peer in order to verify that vPC member ports can actually form a PortChannel.
Which statements about a "Virtual PortChannel graceful consistent check" are true? (Choose two.)
  1. Graceful consistency check is enabled by default.
  2. When graceful consistency check is enabled, only the links on the secondary peer device are suspended.
  3. Graceful consistency check is disabled by default, so to enable this feature, use graceful consistency-check command under VPC domain configuration mode.
  4. When graceful consistency check is enabled, only the inconsistent VLANs on the secondary peer device are suspended.
Correct answer: A, B
Question 10
In the Cisco FabricPath domain, one switch becomes the root for the multidestination tree. Cisco FabricPath switches compare which three parameters to select the root? (Choose three.)
  1. Root priority
  2. System ID
  3. Bridge ID
  4. Switch ID
  5. Port ID
  6. Subswitch ID
Correct answer: A, B, D
Question 11
Which three statements best describe multicast operation on Cisco Nexus switches in a data center? (Choose three.)
  1. Cisco NX-OS Software does not support PIM dense mode.
  2. The command ip multicast-routing must be enabled in Cisco NX-OS Software before any multicast configuration is possible on the switch.
  3. PIM CLI configuration and verification commands are not available until you enable the PIM feature with the feature pim command.
  4. Cisco NX-OS Software supports multicast routing per Layer 3 VRF instance.
  5. The default PIM operational mode on the Cisco Nexus 7000 switch is SSM.
Correct answer: A, C, D
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