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45 Cards in this Set
- Front
- Back
What does POP stand for? |
Post office protocol |
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What are some of the most important protocols in the protocol stack? |
TCP IP UDP POP 3/IMAP 4 SMTP |
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What are the three main classes of IP addresses? |
Class A Class B Class C |
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How many bits make up an IP address? |
32 |
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How many host per network are available on a Class C network? |
254 |
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When an electrical supplier allows customers access to their inter-network, the result is often called an _______? |
Extranet |
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A protocol suite is often referred to as ______? |
Protocol stack |
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Which protocol is used for sending email? |
SMTP-Simple mail transfer protocol |
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A Class B address can accommodate approximately how many host? |
65000 |
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The broadcast address is normally the _____ in the host portion of your address range. |
Highest address |
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Frequently, the ____ is the only route to the world outside the immediate LAN. |
Default gateway |
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What is the default subnet mask of a Class C address? |
255.255.255.0 |
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What makes sub-netting possible? |
Customizing the subnet mask |
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An IPv4 address is _____ long, normally written in ______ and is separated by ______? |
32 bits Decimal form Periods |
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HOSTS was eventually replaced by ______? |
Domain name system |
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HTTP uses port ____? |
80 |
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What is the TCP/IP utility which helps you with DNS names? |
Ns lookup |
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There is a TCP/IP protocol called _____ whose job it is to map IP addresses to physical adresses. |
ARP |
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What type of information will IPCONFIG provide? |
Physical address IP Subnet mask Default gateway |
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What is a socket? |
A TCP/IP connection that is based on based on both an IP address and a port runner |
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Token ring has both a _______ and a _________ |
Priority mode Non-priority mode |
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There are four protocol suites which are important to the network + exam. What are they? |
TCP/IP IPC/SPX NETBOUI APPLE TALK |
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What does type one token ring use STP cable for? |
Superior electrical rejection |
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What is the purpose of AARP? |
To map mac address to network address |
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What are the most common speeds of token ring? |
4 and 16 mbps |
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What are the two main tasks of a router? |
1) Determine best path for the packet to the next network 2) switch packet to selected path |
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One of the most basic characteristics of any ______ pertains to rounting. |
Protocol suite |
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Token ring was developed by _____? |
IBM |
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NetBOUI is not a _______ |
Routable protocol |
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What is the name of apples file and printer sharing? |
Appletalk |
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Baud is defined as a single change in the analog signal. What type of change is this referring to? |
A change in the amplitude of the signal or a change in the phase |
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The baud rate of an analog signal is ______? |
Number of changes to a signal that occur over one second |
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In early modems, one baud represented one bit of data. Today's modems use a combination of amplitude changes and phase changes called ______. |
Slate changes |
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The internal modem has a built in ______? |
COM port |
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Modem is short for _____? |
Modulator/Demodulator |
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By using a 4-to-1 compression scheme, a 33,600 bps modem can handle data from the computer _______? |
Up to 4x faster or 134,400 mbps |
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When transmitting information over a telephone carrier, what function does the modem at the receiving end have? |
Demodulates the carrier to recover the digital information |
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The modem converts the digital signal provided by the _____ into an analog signal required by the phone line. |
VART |
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What are the three most common protocol used to connect computers to a remote network? |
SLIP- Serial like internet protocol PPP- Point to point PPTP- Point to point tunneling |
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Encryption is a ______ that is used to insure that information can be read only by the _____. |
Scrambling/unscrambling Intended recieptants |
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Other than PPTP what is another tunneling protocol that is becoming increasingly popular? |
L2TP- Layer 2 tunneling protocol |
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PPTP uses a powerful and _______ scheme that scrambles the data in such a way that no one can unscramble it without the ______. |
Automatic encryption Encryption key |
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What are the three most common networking protocols that (PPP) can encapsulate? |
Netbeui IPX ICP/IP |
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A PRI consists of ______. |
23-64 kbps B channels One 64 kbps D channel |
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Encapsulation- |
Process of placing packets of one protocol inside the packets of another packet |