need help with 3 parts of this assignment.

U N I V E R S I T Y

Building-2Building-1Building-3

XUMUC Shady Grove Campus

Towson

UB

Bowe

UMCP

Class Rooms

Labs

SE

UMES

UMBC

Class Rooms

UMUC

Library

Class Rooms

UMB

Labs

PBX Switch

200 Capaity

Call ManagerPSTN NetworkInternetIP Data NetworkIP Voice Network

Shady Grove Voice Network

Internet

Internet

Internet

Internet

Towson 4WS

UB 5WS

Bowe 5WS

UMCP 8WS

Class Rooms

and Labs

ES 4WS

UMES 8WS

UMBC 12WS

UMUC20WS

Library 25 WS

Class Rooms

UMB 15WS

Current Network Topology ShadyGrove