Q.1 Which two things can be determined by using the ping command? (Choose two.) the number of routers between the source and destination device
the IP address of the router nearest the destination device
the average time it takes a packet to reach the destination and for the response to return to the source
whether or not the destination device is reachable through the network
the average time it takes each router in the path between source and destination to respond
Q.2 What are three main types of high-bandwidth connection options used by medium- to large-sized businesses? (Choose three.) DSL
cable modem
Ethernet
metro Ethernet T1
T3
Q.3 What is the maximum T1 transmission speed? 56 kbps 128 kbps 1.544 Mbps 2.4 Mbps
Q.4 Which of the following start the test of destination reachability? echo request issued by source echo reply issued by source echo request issued by destination echo reply issued by destination
Q.5 Which statement describes a function of a Tier 1 ISP? peers with other similarly sized ISPs to form the global Internet backbone uses the services of Tier 3 ISPs to connect to the global Internet backbone pays Tier 2 ISPs for transit services to connect across continents limits the offered services to small geographic areas
Q.6 At which point do individuals and small businesses connect directly to the ISP network to obtain Internet access? at a POP at an IXP at a Metro Ethernet link on the ISP extranet
Q.7 What information is contained in the numbered RFCs maintained by the IETF? the rules for acceptable use of websites and e-mail the descriptions of various hardware components that connect to the Internet the specifications and rules for how devices communicate over an IP network the standards for cabling and wiring for local Ethernet networks
Q.8 Which network support services team is responsible for testing a new customer connection and for monitoring the ongoing operation of the link?" customer service help desk network operations on-site installation
Q.9 Which network support services team identifies whether the client site has existing network hardware and circuits installed? customer service help desk network operations planning and provisioning
Q.10 Which ISP network support systems team will typically contact the customer once a new circuit is ready and guide the customer in setting up passwords and other account information? help desk customer service network operations center on-site installation team planning and provisioning
Q.11 What feature allows network devices to be scalable? a fixed number of interfaces ease of repair modularity low maintenance requirements low cost
Q.12 Which command generated this output?
1 12.0.0.2 4 msec 4 msec 4 msec
2 23.0.0.3 20 msec 16 msec 16 msec
3 34.0.0.4 16 msec 18 msec 16 msec Router# traceroute 34.0.0.4 Router# nslookup 34.0.0.4 Router# ping 34.0.0.4 Router# telnet 34.0.0.4
Q.13 Which network utility helps determine the location of network problems and identifies routers that packets travel across? ping ipconfig traceroute ixp
Q.14 What interconnects the Internet backbone? gateway routers IXPs POPs satellite dishes
Q.15 What units are used to measure Internet bandwidth? bits per second bytes per second hertz megabytes per second packets per second
Q.16 The IT manager of a medium-sized business wishes to house the company-owned web servers in a facility that offers round-the-clock controlled access, redundant power, and high-bandwidth Internet access. Which ISP service will fulfill this need? web hosting planning and provisioning application hosting equipment colocation Tier 1 ISP services
Q.17 What is the purpose of an RFC? to provide the connection point for multiple ISPs to the Internet to document the development and approval of an Internet standard to connect a business to an ISP to provide data communication services to ISP customers to monitor network performance and connection status of ISP clients
Q.18 When did the Internet become available for use by businesses and consumers? 1979 1984 1991 1999 2000
Q.19 What was the original purpose of the Internet? voice communication marketing research commerce
Q.20 What three support service teams are commonly found within an ISP? (Choose three.) help desk computer support application readiness network operations center planning and provisioning implementation and documentation
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