WAN Architectures Flashcards
What does SSL stand for?
Secure Sockets Layer
What does TLS stand for?
Transport Layer Security
Does GRE support broadcast and multicast traffic?
Yes
Does IPsec support broadcast and multicast traffic?
No
[…] creates tunnels like IPsec, but does not encrypt the original packet.
GRE
[…] 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
What does DMVPN stand for?
Dynamic Multipoint VPN
What does GRE stand for?
Generic Routing Encapsulation
[…] VPNs are used to provide on-demand access to the company network for end devices.
Remote-access
[…] VPNs are used to permanently connect two sites over the Internet.
Site-to-site
[…] VPNs typically use TLS.
Remote-access
[…] VPNs typically use IPsec.
Site-to-site
Remote-access VPNs typically use [protocol].
TLS
Site-to-site VPNs typically use [protocol].
IPsec
Internet connectivity:
2 connections to each of 2 ISPs = […]
Dual Multihomed
Internet connectivity:
1 connection to each of 2 ISPs = […]
Multihomed
Internet connectivity:
2 connections to 1 ISP = […]
Dual Homed
Internet connectivity:
1 connection to 1 ISP = […]
Single Homed
A cable […] is required to convert data into a format suitable to be sent over the TV lines.
modem
A DSL […] is required to convert data into a format suitable to be sent over the phone lines.
modem
What does modem stand for?
modulator-demodulator
[…] provides Internet connectivity via TV lines.
Cable (CATV) Internet
[…] provides Internet connectivity via phone lines.
DSL
What does DSL stand for?
Digital Subscriber Line
In […] MPLS VPNs, CE routers form routing protocol peerings with each other.
Layer 2
In […] MPLS VPNs, the entire service provider network is transparent to the customer.
Layer 2
In […] MPLS VPNs, CE routers and PE routers can form routing protocol peerings.
Layer 3
In MPLS, what does P router stand for?
Provider (Core)
In MPLS, what does PE router stand for?
Provider Edge
In MPLS, what does CE router stand for?
Customer Edge
What does MPLS stand for?
Multi Protocol Label Switching
What leased line standard provides 34.368 Mbps of bandwidth?
E3
What leased line standard provides 8.448 Mbps of bandwidth?
E2
What leased line standard provides 2.048 Mbps of bandwidth?
E1
What leased line standard provides 44.736 Mbps of bandwidth?
T3
What leased line standard provides 6.312 Mbps of bandwidth?
T2
What leased line standard provides 1.544 Mbps of bandwidth?
T1
