WAN Architectures

Question 1

What does SSL stand for?

Answer 1

Secure Sockets Layer

Question 2

What does TLS stand for?

Answer 2

Transport Layer Security

Question 3

Does GRE support broadcast and multicast traffic?

Answer 3

Yes

Question 4

Does IPsec support broadcast and multicast traffic?

Answer 4

No

Question 5

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

Answer 5

GRE

Question 6

[…] 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.

Answer 6

DMVPN

Question 7

What does DMVPN stand for?

Answer 7

Dynamic Multipoint VPN

Question 8

What does GRE stand for?

Answer 8

Generic Routing Encapsulation

Question 9

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

Answer 9

Remote-access

Question 10

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

Answer 10

Site-to-site

Question 11

[…] VPNs typically use TLS.

Answer 11

Remote-access

Question 12

[…] VPNs typically use IPsec.

Answer 12

Site-to-site

Question 13

Remote-access VPNs typically use [protocol].

Answer 13

TLS

Question 14

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

Answer 14

IPsec

Question 15

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

Answer 15

Dual Multihomed

Question 16

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

Answer 16

Multihomed

Question 17

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

Answer 17

Dual Homed

Question 18

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

Answer 18

Single Homed

Question 19

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

Answer 19

modem

Question 20

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

Answer 20

modem

Question 21

What does modem stand for?

Answer 21

modulator-demodulator

Question 22

[…] provides Internet connectivity via TV lines.

Answer 22

Cable (CATV) Internet

Question 23

[…] provides Internet connectivity via phone lines.

Answer 23

DSL

Question 24

What does DSL stand for?

Answer 24

Digital Subscriber Line

Question 25

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

Answer 25

Layer 2

Question 26

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

Answer 26

Layer 2

Question 27

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

Answer 27

Layer 3

Question 28

In MPLS, what does P router stand for?

Answer 28

Provider (Core)

Question 29

In MPLS, what does PE router stand for?

Answer 29

Provider Edge

Question 30

In MPLS, what does CE router stand for?

Answer 30

Customer Edge

Question 31

What does MPLS stand for?

Answer 31

Multi Protocol Label Switching

Question 32

What leased line standard provides 34.368 Mbps of bandwidth?

Answer 32

E3

Question 33

What leased line standard provides 8.448 Mbps of bandwidth?

Answer 33

E2

Question 34

What leased line standard provides 2.048 Mbps of bandwidth?

Answer 34

E1

Question 35

What leased line standard provides 44.736 Mbps of bandwidth?

Answer 35

T3

Question 36

What leased line standard provides 6.312 Mbps of bandwidth?

Answer 36

T2

Question 37

What leased line standard provides 1.544 Mbps of bandwidth?

Answer 37

T1