The router examines IP addresses and works at the _____ layer. A. physical b. data link c. tcp/ip A ______ can interconnect multiple workstations (like a hub) but can also filter out frames, thereby providing a segmentation of the network (like a bridge). a. switch b. router c. Satellite d. repeater Whether shared or dedicated segments are involved, the primary goal of a(n) _______ is to isolate a particular pattern of traffic from other patterns of traffic or from the remainder of the network. a. hub b. switch c. repeater d. amplifier What is the default local host IP (Loopback IP)? a. 7.0.0.1 b. 107.0.01 c. 117.0.0.1 d. 127.0.0.1 A _______ profile describes various characteristics about the connection, such as basic data transfer rates, basic burst rates, excess data transfer rates, and excess burst rates. a. bandwidth b. server c. client d. router A wide area network connects its workstations through the use of a _______ design and requires routing to transfer data across the network. a. bus b. star c. mesh d. ring All wide area networks are collections of at least two basic types of equipment: a station and a ______. a. link b. server c. workstation d. node A network limit, called the _______ can be placed on how many times any packet is copied. a. hop limit. b. hop count c. time to live d. time to hop ______ routing involves storing all the routing information at one central location, a. Distributed b, Centralized c. Remote d. Fixed The TCPMP _____ layer commonly uses the Transmission Control Protocol (TCP) to maintain an error-free end-to-end connection. a. network b. network access c. transport d. application The _______ of a signal is the number of times a signal makes a complete cycle within a given time frame. a. phase b. amplitude c. period d. frequency The simplest modulation technique is _____ shift keying. a amplitude b. phase c. frequency d. noise A direct connection between a terminal and a mainframe computer is a _____ connection. a. multipoint b. point to point c. single-point d. direct-point