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Cisco 640-916 Exam - Introducing Cisco Data Center Technologies (DCICT)

Questions & Answers for Cisco 640-916

Showing 1-15 of 186 Questions

Question #1

Which requirement is unique to service profile templates?

A. VLAN

B. VSAN

C. pooled identities

D. vNIC

E. vHBA

Question #2

When the typical TCP congestion avoidance process is engaged due to congestion, by
what percentage is the congestion window reduced?

A. 12%

B. 25%

C. 50%

D. 75%

E. 100% (send zero window)

Question #3

A network design team is looking for an I/O consolidation technology that uses Cisco
Nexus switches to extend convergence beyond the access layer to a fully converged
network. Which option achieves this goal?

A. single-hop FCoE

B. multihop FCoE

C. FabricPath

D. IPSAN

Question #4

Scenario:
Customer is configuring FCoE and NPV in their Data Center on Cisco Nexus 5000 Series
Switches. Please go through the Topology and Exhibit 1 through 4 to answer the following
questions.
Topology:





Which two statements are true regarding disruptive load balancing and regarding the
configuration in this example? (Choose two).

A. In this scenario disruptive load balancing is disabled.

B. In this scenario disruptive load balancing is enabled.

C. Since FCID: 0x1c0000 is reserved, disruptive load balancing is not configured correctly.

D. When disruptive load balancing is enabled, NPV redistributes the server interfaces across all available NP uplinks when a new NP uplink becomes operational. To move a server interface from one NP uplink to another NP uplink, NPV forces reinitialization of the server interface so that the server performs a new login to the core switch.

Question #5

Which two configuration elements are selected during initial setup are unique to Cisco MDS
9000 series Fibre Channel switches? (Choose two.)

A. Time and Date

B. Management IP address

C. Default Zoneset distribution

D. Enforce password complexity

E. Default switchport mode F

Question #6










In which Exhibit is the customer configuring the two interfaces for redundancy in order to
keep the
peer link to be an active Layer 2 LACP port channel?

A. Exhibit 5

B. Exhibit 4

C. Exhibit 2

D. Exhibit 1

Question #7

Which command would you use to determine which hosts were Fibre Channel targets?

A. MDS-A# show host login

B. MDS-A# show host database

C. MDS-A# show flogi database

D. MDS-A# show host-id

E. MDS-A# show fcns database

Question #8

Which two are functional layers of a collapsed-core LAN design? (Choose two.)

A. core

B. aggregation

C. access

D. distribution

E. services

Question #9

Which IEEE protocol provides bandwidth management and priority selection?

A. Priority-based Flow Control (802.1Qbb)

B. Enhanced Transmission Selection (802.1Qaz)

C. Bandwidth Demand Circuit (802.1Qax)

D. Quantized Congestion Control (802.1Qau)

E. Data Center Bridging Exchange (802.1Qab)

Question #10

Which is the correct command to install a feature license on Cisco MDS 9100 Series Fibre
Channel Switches?

A. MDS-A# install license bootflash:license_file.lic

B. MDS-A# copy license bootflash:license_file.lic running-config

C. MDS-A# install feature bootflash:license_file.lic

D. MDS-A# copy feature bootflash:license_file.lic running-config

E. MDS-A# update license pool bootflash:license_file.lic

Question #11

Which RAID level is associated with two dedicated parity drives?

A. RAID 0

B. RAID 1

C. RAID 3

D. RAID 4

E. RAID 5

F. RAID 6

Question #12

An engineer is implementing an FCoE enabled port-channel trunk between two Nexus
5000 series switches. There are several existing LACP IP only port channels attached to
the two Nexus 5000 switches. Traffic monitoring tools show that FCoE storage traffic
appears to be pinned to a single member of the port-channel bundle. What changes are
observed in traffic flow when the command port-channel load-balance ethernet source-
dest-port is entered?

A. FCoE storage traffic balances across all available links. The existing native IP channels become mismatched to their peers and err-disable.

B. FCoE storage traffic remains pinned. The existing native IP links forward traffic sub optimally.

C. FCoE and IP links balance across all available links. The existing native IP links forward traffic sub optimally.

D. Both FCoE and native IP links recalculate and forward traffic optimally across all available links.

Question #13

What are the three basic states of an Ethernet interface on a Cisco Unified Computing
System Fabric Interconnect? (Choose three.)

A. unconfigured

B. enabled

C. disabled

D. uplink

E. server

F. errdisabled

Question #14

Refer to the exhibit.

An engineer is presented with a VMWare ESX cluster consisting of two VMWare ESX
hosts running Nexus 1000v. The guest system inventory consists of 100 static virtual
desktops. What change will permit all 100 guests to be online at the same time?

A. increase the global max-ports setting in the Nexus 1000v

B. increase the max-ports setting for the VLAN 10

C. increase the max-ports setting for both VLAN 10 and 20

D. increase the subnet size for VLAN 10 on the 4500x core

E. remove the port channel configuration from the 1000v host uplink port-profile

Question #15

Which interface provides heartbeat messages between the VSM and VEM?

A. control

B. management

C. packet

D. backplane

E. SVI

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