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1. Put the following WAN connections in the order of fastest to slowest: ISDN BRI Asynchronous Dialup ISDN PRI Leased Line 2 . You need to support a mobile sales group who needs access to email from a variety of locations. What best meets the needs of the sales group? Digital service Multi-mode service Asynchronous service High-Speed Serial (HSSI) interface 3 . What is the default encapsulation-type set on Cisco router serial interfaces? Frame Relay HDLC PPP LAPB 4 . Under which two circumstances can a leased line WAN connection considered to be cost effective? Short distances. Long connection times. Short connection times. When little control over the WAN is needed. 5 . When would a dedicated leased line be cost effective? For short connect times and short distances For long connect times and long distances For long connect times and short distances For short connect times and long distances 6 . Which three WAN connections are typically employed at telecommuter sites? Asynchronous dial-up ISDN BRI Leased lines HDSL Cable modems Frame Relay 7 . When using a CATV cable service as an Internet connection medium, what is "upstream traffic"? Traffic getting at the user's home traveling to the head-end. Traffic between the head-end and the supplier antenna. Broadcast traffic, including the cable TV signals. Traffic from outside the local cable segment serving the user's home. 8 . A small remote site requires a low cost T1-speed connection to make secure file transfers to a central site located several hundred miles away. Which connection type will meet the requirements of this application? DSL Leased line ATM Frame Relay 9 . What device would you use if you had 200 users that needed continuous access to the home office? Leased line Frame Relay Asynchronous ISDN 10 . When would a packet-switched network be cost effective? For short connect times and small geographic differences For long connect times and large geographic differences For long connect times and small geographic differences For short connect times and large geographic differences 11 . A bank needs to connect a branch office to the corporate network on the other side of town. The branch office has twelve users that require constant access to the bank's central accounting system throughout the day. Which two connection types may be most appropriate for this branch office? ISDN BRI Frame Relay Asynchronous Dedicated lease line 12 . Which three of the following are examples of DTE devices? Mainframe computer CSU/DSU Router Terminal Modem 13 . Which user requirement is best served by an access server? Mobile sales force requiring dial-in access. Mobile sales force requiring dedicated connection. Corporate staff requiring access to web-bases applications. Corporate staff requiring access to applications on corporate systems. 14 . How do you know when a router is properly initialized? When it stops making noise from the boot process LED enable light is active When the router beeps The power light is on 15 . Each company site can be placed into one of three categories. What are the three categories? Satellite Site Central Site Branch Office Remote or Home Office 16 . What are two advantages of a Frame Relay connection over dedicated leased lines? Better suited multiple branch locations. Lower cost. More control over the connection. Full guaranteed bandwidth. 17 . Which two WAN connections provide a single pre-established switched circuit reserved for the private use of the customer? Digital cable T1 leased line ISDN Asynchronous dial-in 56K dedicated line 18 . What would you use if you had 30 users that needed occasional access to the home office? Leased line Frame Relay Asynchronous ISDN 123doc.vn