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