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What feature allows network devices to be scalable?
a fixed number of interfaces>
ease of repair>
modularity>
low maintenance requirements>
low cost>
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>
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
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
Which of the following start the test of destination reach ability?
echo request issued by source>
echo reply issued by source>
echo request issued by destination>
echo reply issued by destination>
What units are used to measure Internet bandwidth?
bits per second>
bytes per second>
hertz>
megabytes per second>
packets per second>
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
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>
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>
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>
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>
What is the maximum T1 transmission speed?
56 kbps
128 kbps
1.544 Mbps
2.4 Mbps
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>
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>
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>
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>
When did the Internet become available for use by businesses and consumers?
1979
1984
1991
1999
2000
Which network utility helps determine the location of network problems and identifies routers that packets travel across?
ping>
ipconfig>
traceroute>
ixp
?What interconnects the Internet backbone
gateway routers>
IXPs>
POPs>
satellite dishes>
What was the original purpose of the Internet?
voice communication>
marketing>
research>
commerce>
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