CCNA 2 Chapter 1 V4.0

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.)
cable modem
* 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 4 msec 4 msec 4 msec
2 20 msec 16 msec 16 msec
3 16 msec 18 msec 16 msec
* Router# traceroute
Router# nslookup
Router# ping
Router# telnet

13) Which network utility helps determine the location of network problems and identifies routers that packets travel across?
* traceroute

14) What interconnects the Internet backbone?
gateway routers
* IXPs
satellite dishes

15) What units are used to measure Internet bandwidth?
* bits per second
bytes per second
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?
* 1991

19) What was the original purpose of the Internet?
voice communication
* research

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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