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Advanced Networking II > Chapter 1 > Flashcards

Chapter 1 Flashcards

1
Q

Modular

A

supports change and growth

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2
Q

Resilient

A

Uptime High availablity

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3
Q

Flexible

A

network adaptability

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4
Q

Multilayer switches

A

hardware-based routing ASIC Application Specific integrated Circuits

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5
Q

Catalyst 6500 Family

A
  • used in campus, data center, core, wan and branch

- 13 slots and 16 10-Gigabit Ethernet interfaces

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6
Q

Catalyst 4500 Family

A
  • used in distribution layer

- 10 slots and several 10-Gigabit Ethernet interfaces

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7
Q

Catalyst 3560 and 3750 Families

A

used in fixed-port scenarios at the access and distribution layers

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8
Q

Nexus 2000, 5000, and 7000 Families

A

NX-OS based modular data center switches

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9
Q

Network Management Traffic

A

BPDU, CDP, SNMP, RMON, SSH (low bandwidth)

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10
Q

IP Telephony Traffic

A

Signaling traffic encapsulated voice traffic (low bandwidth)

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11
Q

IP Multicast Traffic

A

IP/TV and market data applications (High bandwidth)

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12
Q

Normal Data Traffic

A

file print email internet browsing (low to medium bandwidth)

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13
Q

Scavenger Class Traffic

A
  • all traffic with protocols that exceed normal data flows

- p2p, IM, voip (medium to high bandwidth)

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14
Q

SONA

A

Service-Oriented Network Architecture

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15
Q

Application Layer

A

business and collaboration applications

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16
Q

Interactive Services Layer

A

efficient allocation of resources to applications and business processes the networked infrastructure

17
Q

Networked Infrastructure Layer

A

where all IT resources interconnect

18
Q

Building Core Layer

A
  • High speed campus backbone
  • Switch packets as fast as possible
  • High availability and adaptability
19
Q

Building Distribution Layer

A

Use switches to separate work-groups and isolate network problems

20
Q

Building Access Layer

A

grant user access to network devices

21
Q

Core layer

A
  • Combine distribution layer switches
  • adds scalable protocols and load balancing
  • High speed layer 3 switching using 10 gig Ethernet
  • redundant layer 3 links
22
Q

Distribution Layer

A
  • High availability, fast path recover, load balancing, QoS Security
  • Route summaries and packet manipulation
  • Packet filtering and policy routing
23
Q

Access layer

A
  • High availability
  • Convergence PoE Power over Ethernet for Voip and wireless access points
  • Security port security, DhCP snooping, Dynamic ARP inspection and IP source guard
24
Q

Small Network

A

0 - 200 end devices

  • Collapsed core
  • Catalyst 3560 2960G switches for access layer
  • Cisco 1900 and 2900 routers to connect to branch/WAN
25
Q

Medium Network

A

200 -1000 end devices

  • Redundant multilateral switches at distribution layer
  • Catalyst 4500 and 6500 switches
26
Q

Large Network

A

1000 or more end users

  • stricter adherence to core, distribution, access layer
  • Catalyst 6500 switches in core and distribution layers
  • Nexus 7000 switches in data centers
  • Division of labor among network engineers
27
Q

Data Center Infrastructure

A 
Aggregation layer - service module integration, default gateway redundancy, security, load balancing, content switching, network analysis
Access layer - connects servers to network
28
Q

PPDIOO Phases

A

Prepare - establish organizational requirements
Plan - identify initial network requirements
Design - based on planning outcomes
Implement - build network according to design
Operate - maintain network health
Optimize - proactive management of netowrk

29
Q

Lifecycle approach

A

Benefits
- lowering the total cost of network ownership
- increasing network availability
- efficient access to applications and services
Lower Costs
- identify and validate technology requirements
- accelerate successful implementation
- improve the efficiency of your network and of the staff supporting it
- reduce operating expenses by improving the efficiency of operational processes and tools

Advanced Networking II (4 decks)

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