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Data Center > Final exam > Flashcards

Final exam Flashcards

1
Q

iSCSI uses which type of storage?

A

Block level

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2
Q

In SCSI, ____ acts as the initiator and ____ acts as the target

A

Server is the initiator

Storage is the target

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3
Q

On an interface, data throughput is measure based on ____ and _____.

A

clocking and encoding

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4
Q

vPC stands for _____ _____ _____ and has ____ points of management

A

Virtual port channel, 2

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5
Q

What is vPC? List 3 advantages.

A

Virtual port channels allow Nexus switches to appear as a single Port Channel to a third device. The benefits of vPC include the elimination of STP blocked ports, a loop-free topology, and the use of all available bandwidth. Other benefits include high availability and fast convergence when a link fails.

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6
Q

Which technology is associated with the description “split-brain”?

A

Virtual Port Channels (vPC)

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7
Q

This is a cloud appliance that houses the Virtual Supervisor Module (VSM) and the Network Analysis Module (NAM)

A

Nexus 1100

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8
Q

B-Series chassis connects to the ____ InterConnect, which in turn can connect up to the Nexus ___k.

A

Fabric Interconnect, 2k,

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9
Q

Febric extension refers to a FEX device (e.g. Nexus 2k) being (inside/outside) of a parents and acting as if it’s (internal/external) to a 7k.

A

Outside, internal

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10
Q

Inside a B-Series server, _____ uniquely tag each VM to identify traffic as it moves upstream. The tagging itself it referred to as _____.

A

Virtual interface cards (VICs), VN-TAG

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11
Q

A CNA stands for ____ _____ ____. The CNA can understand ___ traffic as well as ___ traffic.

A

Converged network adapter. LAN, SAN.

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12
Q

FCoE requires ___ Gbps systems.

A

10 Gbps.

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13
Q

What is the purpose of FEX?

A

Support top-of-rack, middle-of-row, and end-of-row design

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14
Q

Describe the benefits of FabricPath

A

Eliminates need for spanning tree. Spreads traffic across all available paths. Server-to-server communication occurs over the shortest available path.

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15
Q

What does OTV offer?

A

Overlay Transport Virtualization offers Ethernat LAN extension over any network.

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16
Q

Describe LISP

A

LISP associates a location ID with IP addresses without changing the actual IPs.

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17
Q

Name the 2 components of traffic management inside a data center

A

RISE and Intelligent Traffic Director (ITD)

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18
Q

Describe one benefit of Service Profiles

A

Allows movement from the B-Series to the C-Series

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19
Q

System Link technology is a large component of the ___-Series of servers. What does it allow us to achieve?

A

M-Series. Allows servers to have nothing but CPU and memory. Other components (NIC, storage, etc.) are located outside of the chassis.

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20
Q

What does the UCS Common Platform Architecture allow us to do?

A

Allows UCS Manager to manage the B-Series, C-Series, M-Series

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21
Q

Orchestration =

A

Director

22
Q

In hyper-converged infrastructure, ___ is virtualized

A

Everything

23
Q

Describe the 3 components of the Application Network Profile

A
  1. Endpoint groups
  2. Network Policies
  3. Relationships between the above 2
24
Q

Describe Cisco’s Virtual Topology System (VTS)

A

Uses OpenFlow.
Does not do policy.
Programmable fabric!

25
Q

Which Cisco product is useful for hybrid clouds?

A

Cisco InterCloud, which connects clouds together

26
Q

Define OpenStack

A

Standards-based orchestration software. Allows us to control and efficiently allocate resources

27
Q

Name the 3 service models

A

IaaS, Saas, PaaS

28
Q

Leaf-spine architecture is also referred to as ___ ___.

A

Network fabric

29
Q

The ____ serves as the controller for the ACI

A

APIC

30
Q

Define policy

A

An automated way to translate application language to network language

31
Q

FlexPod includes storage from ___ and switches from the ___ family.

A

NetApp, Nexus

32
Q

Bi-modal IT is a shift towards more agile ____ model. Agility + stability!

A

Consumption

33
Q

Name the 2 main components of Cisco UCS

A

Cisco UCS servers and storage solutions from partners

34
Q

Elastic workload is associated with which type of cloud?

A

Hybrid

35
Q

FabricPath costs roughly $___ and requires ______ architecture

A

$25,000, leaf-spine

36
Q

Name the 2 components of the Nexus 1000v

A

VSM and VEM

37
Q

Which type of storage includes metadata?

A

Object level storage

38
Q

Which type of storage is not scaleable or shareable?

A

Direct attached storage (DAS)

39
Q

Which type of stroage does not requires an MDS switch and connects directly visa Ethernet?

A

Network attached storage (NAS)

40
Q

Max. number of servers supported in UCS?

A

20

41
Q

UCS ___ allows the management of multiple UCS domains.

A

UCS Central

42
Q

The Nexus 5k series include ____ ports that increase uptime and reduce infrastructure cost allowing FCoE, FC,, or Ethernet

A

Unified ports

43
Q

Name the 3 strategic elements of InterCloud

A

Partners, technology, services

44
Q

The UCS Manager is housed in the ___ ____.

A

Fabric Interconnect

45
Q

The max. possible bandwidth between a UCS chassis and the Fabric Interconnect is ___ Gbps

A

160 Gbps

46
Q

Define vMotion

A

The movement of virtual machines between physical servers

47
Q

Which Cisco switch can be used in place of the vSwitch?

A

1000v

48
Q

What translates application language into network language?

A

Policy

49
Q

If we’re using FCoE, then we’re using this type of storage architecture

A

SAN

50
Q

This is a container for policies

A

Contract

Data Center (1 decks)

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