CYB301-CHAPTER13

What was the first WAN technology in the US

POTS

What does the WAN technology OC stand for

Optical carrier

What sort of outlet does a DSL router plug into

RJ11

When a phone and DSL router need to be plugged in to the same outlet the router emits a high pitched noise how can you mitigate it

Filter

What are the two DSL flavors

ADSL, SDSL

Which is faster T1, DSL, Cable

Cable

Which is more expensive to install T1, DSL, Cable

T1

Which fiber installation results in the least loss

FTTB

Is GSM or CDMA more widely used today

GSM

Point to Point is an encapsulation protocol that works at what layer

Layer 2

PPP needs to be used with other protocols to provision a __________

secure tunnel

What does a VPN do

encrypt packets and wraps them in an unencrypted packet

What is the speed of an OC-3 connection

155 Mbps

Which of the following technologies does GSM use to allow multiple connections on the same frequency?

Time Division multiple access

What port does Remote Desktop use

Port 3389

Which of the following works at layer 3 and can encapsulate an IP packet (or most other Network layer protocol types) as its payload? 

GRE

Which of the following purposes is a VPN primarily used for?

Support secured communications over an untrusted network

Which fiber technology provides the highest possible speed of internet service by eliminating non-fiber connection points?

Fiber to the premises

Which VPN tunnel style routes only certain types of traffic?

Split tunnel

Which VPN type allows access to network resources via web browser and does not need dedicated VPN client software?

Clientless

Which IPSec subprotocol provides data encryption?

ESP

Which version of Internet Key Exchange is preferred for modern VPN solutions?

IKEv2

Which of the following correctly describes the T1 carrier system?

A single T1 channel can transfer data at 64 Kbps

Which of the following services is available regardless of whether the telephone company network is available?

Cable modem

A group of salesmen in your organization would like to access your private network through the internet while they are traveling. You want to control access to the private network through a single server.

Which solution should you implement?

VPN concentrator

Which of the following statements about an SSL VPN are true? 

Uses port 443

Which of the following internet technologies allows for shared bandwidth that can reduce speed during peak times?

Cable internet

You manage a server at work that has just been configured with a new application. Consequently, the server has crashed several times during the last week. You think that you've resolved the problem, but you'd like to be able to manage the server remotely just in case more issues occur.

Which of the following protocols should you use for remote management?

VNC

Which of the following internet services provides equal upload and download bandwidth?

SDSL

Which statement BEST describes IPsec when used in tunnel mode?

The entire data packet including headers is encapsulated

In which type of VPN implementation are individual hosts unaware of the VPN?

Site to site