WAN Q1

Which term describes the cabling that connects the customer site to the nearest exchange of the WAN service?
A) CO
B) local loop
C) CPE
D) DCE

What is the purpose of Demarcation Point?

A) To separate customer equipment from service provider equipment.
B) To define the place where the responsibility for the connection changes from the user to the service provider.
C) To determine whether the user or the service provider is responsible for troubleshooting or repair when problem arises.
D) All of the above

Which of the following is NOT a WAN data link layer protocol?

A) HDLC
B) CPE
C) PPP
D) Frame Relay

Match the fields of the typical WAN data link layer protocol header to the correct identifier.

Which of the following WAN connection technology predetermine the route for a packet using Virtual Circuit?

A) Circuit Switching
B) Connectionless Packet Switching
C) Lease line
D) Connection-oriented Packet Switching

How are Frame Relay virtual circuits identified?

A) DLCI
B) MAC
C) CIR
D) SPID
E) VPI

Which of the following is NOT a type of packet-switched connection?

A) PSTN
B) ATM
C) x.25
D) Frame Relay

Which type of WAN connection should be chosen when a delicated point-to-point WAN communications path from customer premises through the service provider network to a remote destination is required?

A) Integrated Services Digital Network (ISDN)
B) Analog Dial-up
C) Frame Relay
D) Asynchronous Transfer Mode (ATM)
E) Leased line

Which WAN technology uses small, fixed-length cells that are well suited for carrying voice and video traffic?

A) ATM
B) Cable
C) Frame Relay
D) ISDN

The ability to connect securely to a private network over a public network is provided by which WAN technology?

A) ISDN
B) DSL
C) PSTN
D) VPN