WAN Architectures | Day 53

What leased line standard provides 1.544 Mbps of bandwidth?

T1

What leased line standard provides 6.312 Mbps of bandwidth?

T2

What leased line standard provides 44.736 Mbps of bandwidth?

T3

What leased line standard provides 2.048 Mbps of bandwidth?

E1

What leased line standard provides 8.448 Mbps of bandwidth?

E2

What leased line standard provides 34.368 Mbps of bandwidth?

E3

What does MPLS stand for?

Multi Protocol Label Switching

In MPLS, what does CE router stand for?

Customer Edge

In MPLS, what does PE router stand for?

Provider Edge

In MPLS, what does P router stand for?

Provider (Core)

In […] MPLS VPNs, CE routers and PE routers can form routing protocol peerings.

Layer 3

In […] MPLS VPNs, the entire service provider network is transparent to the customer.

Layer 2

In […] MPLS VPNs, CE routers form routing protocol peerings with each other.

Layer 2

What does DSL stand for?

Digital Subscriber Line

[…] provides Internet connectivity via phone lines.

DSL

[…] provides Internet connectivity via TV lines.

Cable (CATV) Internet

What does modem stand for?

modulator-demodulator

A DSL […] is required to convert data into a format suitable to be sent over the phone lines.

modem

A cable […] is required to convert data into a format suitable to be sent over the TV lines.

modem

Internet connectivity: 1 connection to 1 ISP = […]

Single Homed

Internet connectivity: 2 connections to 1 ISP = […]

Dual Homed

Internet connectivity: 1 connection to each of 2 ISPs = […]

Multihomed

Internet connectivity: 2 connections to each of 2 ISPs = […]

Dual Multihomed

Site-to-site VPNs typically use [protocol].

IPsec

Remote-access VPNs typically use [protocol].

TLS

[…] VPNs typically use IPsec.

Site-to-site

[…] VPNs typically use TLS.

Remote-access

[…] VPNs are used to permanently connect two sites over the Internet.

Site-to-site

[…] VPNs are used to provide on-demand access to the company network for end devices.

Remote-access

What does GRE stand for?

Generic Routing Encapsulation

What does DMVPN stand for?

Dynamic Multipoint VPN

[…] 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

[…] creates tunnels like IPsec, but does not encrypt the original packet.

GRE

Does IPsec support broadcast and multicast traffic?

No

Does GRE support broadcast and multicast traffic?

Yes

What does TLS stand for?

Transport Layer Security

What does SSL stand for?

Secure Sockets Layer