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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