Dealing with How Internet Infrastructure Works

(Original text at http://computer.howstuffworks.com/internet-infrastructure.htm/printable )

1. VOCABULARY EXERCISE

Match the elements in the two lists:

                                   1. network -  i.                a. order

                                  

                                   2. however--  j.                                  b. surprising

                                   3. hierarchy –   a                               c. big

                                                                         

                                   4. provider --d.                                  d. supplier

                                   5. dedicated –   f                              e. get to

                                   6. amazing--b.                                 f. special

                                   7. major – c.                                       g. run

                                   8. flow -- g.                                        h. important

                                   9. arrive --  e.                                     i. web

                                   10. crucial–  h                                  j. nevertheless

2. MANIPULATING VERBS (in the Protocol of the Internet section)

Fill in the blanks with the right verbs from the box:

have                                        represents                                           was                 

call                                    use                                                      contains

a. The machines haveunique identifying numbers.

b. The computersusebinary numbers.

c. We representsthe four numbers in an IP address octets.

d. The Net section always call the first octet.

e. The system with typical IP addresses wasfine when the computers were few.

f. www.howstuffworks.com represent HowStuffWorks.com’s IP address

3. UNDERSTANDING EXPRESSIONS IN ENGLISH

Use the underlined expressions in a new sentence:

a. We use the Internet’s DNS servers to translate the human-readable domain name into the machine-readable IP address.

R.We use the dictionary to translate unfamiliar words.

b. The left-most word, like www, is the host name.

R.law students used to write more lefthand.

c. A given domain name can contain millions of host names as long as they are all unique.

R. as long asI exercise, I'm hydrating

d. Once it has made a request to a root DNS server for any .COM domain, it knows the IP address for a DNS server handling the .COM domain.

R.Once all exercises are sent English teacher gives the final grade.

e. All the machines on the Internet are either servers or clients.

R. I use either phone lines in my office I have to contact my clients.

4. TRANSLATION OF PHRASES

Give a Spanish version of the following phrases in the text:

1. a global collection of networks
2. a non-profit group established in 1992
3. worldwide web
4. Network Access Points
5. Point of Presence

R. /

a.    Una colección mundial de redes. 

b.    Un grupo sin ánimo de lucro establecido en 1992. 

c.    Web mundial. 

d.    Punto de acceso de red. 

e.    Punto de presencia.