Transcript Jeopardy

Cisco Discovery
Working at a Small-to-Medium Business or ISP
CHAPTER 7 ISP Services
Jr
ISP Services
TCP/IP
DNS
Services &
Protocols
Grab Bag
100
100
100
100
100
200
200
200
200
200
300
300
300
300
300
400
400
400
400
400
500
500
500
500
500
ISP Services
100
Mean Time Between Failure and Mean
Time to Repair. The longer the MTBF,
the greater the fault tolerance.
A: What is reliability?
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ISP Services
200
Normally measured in the percentage of
time that a resource is accessible.
A: What is the Availability?
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ISP Services
300
Individuals make up this market…
A: What is the consumer market?
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ISP Services
400
A managed service, service provider
manages the network equipment and
support. This agreement is called an
_______.
A: What is the SLA?
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ISP Services
500
Telephone services are expected to be
available 99.999% of the time.
A: What is the “five 9s”?
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TCP/IP
100
Allows all different services to be
delivered over a common netwok.
I.e., mobile phones as TVs, PCs as
telephones.
A: What is Converged networks?
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TCP/IP
200
Enables clients to send email to a mail
server
A: What is a SMTP?
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TCP/IP
300
Consists of the source and destination IP
address and port numbers.
192.168.1.1:7151, 10.10.10.101:80
A: What is a socket pair?
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TCP/IP
400
“best effort” delivery protocol,
connectionless, low overhead data
delivery, e.g.. Internet Radio
A: What is UDP?
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TCP/IP
500
This SYN, SYN-ACK, ACK activity is
known as a _______________.
A: What is a three way handshake?
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DNS
100
File that contained the mapping of
hostname and IP address for every
device connected to the early Internet.
A: What is the HOSTS file?
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DNS
200
These are examples of ______ domains;
.au, .com, .jp, .gov
A: What is top-level domains?
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DNS
300
Special zone that lets you resolve an IP
address to a fully qualified domain
name
A: What is Reverse lookup zone?
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DNS
400
Ping –a 192.168.0.6
A: What is DNS Reverse Lookup?
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DNS
500
ISPs typically maintain these types of
DNS servers.
A: What is caching only DNS servers?
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Services & Protocols
100
Protocol uses authentication and encryption to secure data as
it travels between client and server. Specifies additional
rules for passing data between the application between the
applications layer and the transport layer. Uses SSL.
A: What is HTTPS?
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Services & Support
200
Requires two (2) connections to exist between the client and
the server—one to send control information and commands
and a second one for the actual file data transfer
A: What is FTP?
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Services & Protocols
300
Store and forward method of sending, storing and retrieving
electronic messages across a network.
A: What is a email hosting?
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Services & Protocols
400
Protocol that describes a method to retrieve email messages.
Copies the message down to the client application and
original messages are kept on the server until they are
manually deleted.
A: What is a IMAP4?
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Services & Protocols
500
Uses well known port 25.
A: What is a SMTP
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Grab Bag
100
Protocol used to resolve Internet names
to IP addresses
A: What is DNS?
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Grab Bag
200
_____traffic examples use this protocol:
DNS, VoIP, online games
A: What is a UDP?
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Grab Bag
300
Headers of these protocols have the
following in common: source port,
destination port and checksum
A: What is a TCP and UDP?
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Grab Bag
400
This type of update allows client
computers to register and update their
resource records with a DNS server
whenever changes occur
A: What is dynamic ?
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Grab Bag
500
mapping name-to-IP addresses for
internal hosts and forwarding name
resolution requests to a caching-only
server are the responsiblities of the
______ DNS server
A: What is Local?
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Final Jeopardy
Five key services provided by an ISP
A: What is E-mail, web hosting, media streaming, IP
telephony, file transfer?
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Final Jeopardy
Command that sends some TCP/IP data
to the computer that you specify in the
command. It the device is configured
properly, it answers back.
A: What is the PING command?
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