Ch. 12 - Wide Area Networks

Question 1

An alliance of over 220 industry organizations worldwide

developing ways to send Ethernet traffic across MAN and WAN connections

Answer 1

Metro Ethernet Forum (MEF)

Question 2

An Ethernet-based transport solution designed to overcome weaknesses of implementing Ethernet outside the LAN environment

Answer 2

Carrier-Ethernet Transport (CET)

Question 3

Allows organizations to use only some of the channels on a T1 line,
Leasing allows organization to only pay for what they use

Answer 3

Fractional T1

Question 4

employs VoIP to create virtual connections over an existing data service,
Limited only by available bandwidth

Answer 4

SIP (Session Initial Protocol) trunk

Question 5

Data rate of a SONET connection is indicated by its OC (Optical Carrier) level
Large companies commonly use ___ connections

Answer 5

OC-3

Question 6

Group of Layer 2 protocols originally designed as a fast packet-switched network over I S D N
Today is used as the Data Link protocol for various circuit interfaces and media

Answer 6

Frame relay

Question 7

C-band Satellite frequency range

Answer 7

3.4-6.7 GHz

Question 8

K-under band Satellite frequency range

Answer 8

12-18 GHz

Question 9

K-above band Satellite frequency range

Answer 9

26.5-40 GHz