Exam 17: Access Network & LAN

Fiber optic cable is starting to be deployed in the access space more frequently than it was 10 year ago.

Ethernet uses a mesh topology.

The purpose of a(n) ________ is to convert a digital signal into an analog signal.

Both the Cable Modem and the DSL Modem interconnect to the end host device via an ________ interface.

The real advantage that DSL provides is the increased bps rate obtained on the standard copper pair.

One reason Ethernet drops have become so popular in the access space is:

Which of the circuits listed below is not deployed in the access network.

A NGDLC is designed to drop many types of special service circuits such as ISDN, FX, DSL, etc.

Which of the following protocols has emerged as the new darling in the access network?

A group of data communications devices such as computers, file servers, printers, and an e-mail server that are tied together allowing each to share network resources is referred to as a:

Voice over IP rides across the network on a ________ pipe.

A VLAN refers to a connection path between a SONET interface port and an ISDN terminal.

The most important criteria to use in deciding which type of medium to use to connect Ethernet LANs is the distance between the devices.

The purpose of the token in token ring topology is to ensure that the network is fully utilized while reducing the possibility of contention between workstations.

The physical cable used to connect Ethernet LANs varies depending on all of the following except:

The simplest network topology is:

The size of a SONET mux deployed in the access space ranges from:

A GigE and FastE circuit provided to an end customer typically rides on copper cable.

Token ring LANs have diminished in popularity because:

Which of the following is a device used at the edge of the network to aggregate DSL circuits together onto one ingress circuit that connects to the central switch site?