Chapter 9 Networking
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What port number is the well-known port used by Web servers to distribute Web pages to Web browsers? | D) Port 80
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| What protocol handles large file transfers between Internet users? | A) FTP
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| How can you tell that a secure Web page transaction is taking place? | A) The URL in the address bar starts with
Https
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| Jane has been tasked to find and implement an application that will enable her boss to log into and control a server remotely and securely. Which of the following applications would work best? | D) SSH
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| How do Web pages get created on the Internet? | C) By publishing them
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| Which of the following Microsoft operating systems limit Web site access from other systems when using Internet Information Services software? (Select three.) | E) Answers A, B, and C
A) Windows XP
B) Windows Vista
C) Windows 7
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| Which of the following are names of Web server software? | E) Answers A and C
A) Apache
C) IIS
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| Which of the following are names of Internet browser software? | E) Answers B and C
B) Internet Explorer
C) Firefox
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| Which of the following items does the S in HTTPS represent? | B) Secure Sockets Layer
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| When using Windows, which command will show all used ports and the IP addresses using them? | C) netstat –an
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| What is the main difference between TCP and UDP? | E) Answers A and C
A) TCP is connection-oriented, whereas UDP is connectionless.
C) TCP sessions can be encrypted, whereas UDP sessions cannot.
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| Which connectionless protocol handles mundane chores like disconnect messages? | C) ICMP
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| Which of the following provide Web services? | E) Answers A, B, and C
A) Apache
B) IIS
C) GWS
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| Which Linux/UNIX utility enables you to connect to a server automatically and run commands without entering a user name and password every time? | B) rlogin
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| What should you do if you are having difficulty transferring files with your FTP client when your router supports NAT? | B) Configure your FTP client to use passive FTP.
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| The Tcp port number ranging from 0-1023 are called the --------- | well-known port numbers
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| The Tcp port numbers ranging from 1024-49151 are called ------ | The registered ports
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| The protocol used to transmit large files over the web using both ports 20 and 21 is called ------- | File transfer protocal(FTP)
Port 20/21 on active and 21 on passive.
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| The protocol that is not as popular as pop3 for receiving e-mail is----------- | Imap4(internet message access protocal version 4)
Port 143
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| Port 23 is used by -------- to emulate terminals on TCP/ip networks | Telnet on port 23
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| When you send out an e-mail message it uses | SMTP on Port 25
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| The quickest way to send information about an upcoming meeting to a few co-workers would be to send a---------- | Probably instant messaging.
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| The --------- utility can be used to view the endpoints of our computer's secession's. | netstat -a
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| Telnet has largely been replaced by ----- | SSH
Port 22
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| Tcp is ------- in that it requires computers to acknowledge each other, whereas UDP is -----in that it provides no guarantee packets were successfully recieved | 1. Connection-oriented
2. Connectionless
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| Http(Hypertext transfer protocal) port number is | port 443
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| A socket that is prepared to respond to any ip packets destined for that socket's port number is called an ------ and you can find them by using -----. | Open port or listening port
netstat -an
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| connection data stored on a single computer ----. | Socket or endpoint
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| Terms for connection data stored on two computers about the same connection-------. | socket pairs or endpoints.
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| A connection oriented session starting.... | 1. Client sends syn to server, 2. Server sends syn, ack back to client and 3. Client sends ack back to server.
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| A connection oriented session ending | ....1. Server sending a fin, ack to client, 2. client sends ack to server, 3. client sends fin, ack to server, 4. Server sends Ack to client.
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