NETWORK ARCHITECTURES Flashcards

(47 cards)

1
Q

When several devices all connect to one central device, it is called a […] topology.

A

star

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2
Q

When each device connects to all other devices, it is called a […] topology.

A

full mesh

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3
Q

When some devices are connected to each other, but not all, it is called a […] topology.

A

partial mesh

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4
Q

Which three layers are found in a traditional 3-tier campus LAN?

A

Access
Distribution
Core

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5
Q

Which two layers are found in a traditional 2-tier campus LAN?

A

Access
Distribution

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6
Q

The […] layer of a campus LAN is also known as the aggregation layer.

A

distribution

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7
Q

End hosts connect to the […] layer of a campus LAN.

A

access

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8
Q

QoS marking is typically done at the […] layer of a campus LAN.

A

access

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9
Q

PoE is often used at the […] layer of a campus LAN.

A

access

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10
Q

In a campus LAN, the […] layer aggregates connections from access layer switches.

A

distribution

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11
Q

In a campus LAN, the […] layer is typically the border between Layer 2 and Layer 3.

A

distribution

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12
Q

In a large campus LAN, the […] layer connects distribution layers together.

A

core

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13
Q

Spine-Leaf architecture is efficient in data centers with lots of […] traffic.

A

east-west

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14
Q

Spine-Leaf Architecture:
Every leaf switch is connected to every […] switch.

A

spine

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15
Q

Spine-Leaf Architecture:
Every spine switch is connected to every […] switch.

A

leaf

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16
Q

Spine-Leaf Architecture:
A leaf switch must not connect to a […] switch.

A

leaf

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17
Q

Spine-Leaf Architecture:
A spine switch must not connect to a […] switch.

A

spine

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18
Q

Spine-Leaf Architecture:
End hosts connect to […] switches.

A

leaf

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19
Q

What does SOHO stand for?

A

Small Office/Home Office

20
Q

In SOHO networks, all networking functions are typically provided by a multipurpose network device called a […].

A

home router / wireless router

21
Q

A 2-tier campus LAN architecture is also known as a […] architecture.

A

Collapsed-core

22
Q

What does MPLS stand for?

A

Multi Protocol Label Switching

23
Q

In MPLS, what does CE router stand for?

A

Customer Edge

24
Q

In MPLS, what does PE router stand for?

A

Provider Edge

25
In MPLS, what does P router stand for?
Provider (Core)
26
In [...] MPLS VPNs, CE routers and PE routers can form routing protocol peerings.
Layer 3
27
In [...] MPLS VPNs, the entire service provider network is transparent to the customer.
Layer 2
28
In [...] MPLS VPNs, CE routers form routing protocol peerings with each other.
Layer 2
29
Internet connectivity: 1 connection to 1 ISP = [...]
Single Homed
30
Internet connectivity: 2 connections to 1 ISP = [...]
Dual Homed
31
Internet connectivity: 1 connection to each of 2 ISPs = [...]
Multihomed
32
Internet connectivity: 2 connections to each of 2 ISPs = [...]
Dual Multihomed
33
Site-to-site VPNs typically use [protocol].
IPsec
34
Remote-access VPNs typically use [protocol].
TLS
35
[...] VPNs typically use IPsec.
Site-to-site
36
[...] VPNs typically use TLS.
Remote-access
37
[...] VPNs are used to permanently connect two sites over the Internet.
Site-to-site
38
[...] VPNs are used to provide on-demand access to the company network for end devices.
Remote-access
39
What does GRE stand for?
Generic Routing Encapsulation
40
What does DMVPN stand for?
Dynamic Multipoint VPN
41
[...] is a Cisco-developed solution that allows routers to dynamically create a full mesh of IPsec tunnels without having to manually configure every single tunnel.
DMVPN
42
[...] creates tunnels like IPsec, but does not encrypt the original packet.
GRE
43
Does IPsec support broadcast and multicast traffic?
No
44
Does GRE support broadcast and multicast traffic?
Yes
45
What does TLS stand for?
Transport Layer Security
46
What does SSL stand for?
Secure Sockets Layer
47