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Your photos have a far better chance of eternal virtual lives if they are small. The larger a file is, the more that conscientious computer users hate to pass it along to others. They know that people connecting to the Internet on a 56K modem may spend hours receiving a gigantic graphic. Some e-mail systems limit the size of a single message to less than 10MB, which is hummingbird feed by TIFF file standards.

Multimode fiber takes its name from the fact that the transmitted light can transverse the media in many modes. Consider for a moment a microwave signal that is made up of electric and magnetic fields. [7] Each possible orientation of these fields with respect to one another and to the propagation of the combination constitutes a mode. Light transmission in fiber can be thought of in analogous terms.[8] Modes can be controlled by both the dimensional characteristics of the fiber and the quality of the energy source. A noncoherent (lacking spectral purity) light source transmits a multiple-mode signal (Figure 21.8). Multimode transmission is a compromise between distortion and signal loss versus cost effectiveness in a wide-bandwidth media system. Such systems have been designed and currently are the dominant fiber optic media deployed for local area networks. The modulation technique for fiber is simply light on and light off. The multimode condition gives rise to a distortion called dispersion in this type of fiber. Since each transmission mode propagates along a different path, at the end of the

As you can see, the same_color( ) function needs access to the private members of both line and box to perform its task efficiently. Being a friend of each class grants it this access privilege. Further, notice that because same_color( ) is not a member, no scope resolution operator or class name is used in its definition. (Remember that public functions can be created to return the colors of both line and box, and any function could have compared their colors. However, such an approach requires extra function calls, which in some cases is inefficient.) Notice the empty declaration of line at the start of the class declarations. Since same_color( ) in box refers to line before line is declared, line must be forward referenced. If this is not done, the compiler will not know about line when it is encountered in the declaration of box. In C++, a forward reference to a class is simply the keyword class followed by the type name of the class. Here is a program that demonstrates the line and box classes and illustrates how a friend function can access the private members of a class. (This program must be run in a console session under Windows.)

Tread Overall Revolutions Maximum width diameter per mile load (lbs) 3.8 22.76 886 959 4.2 23.39 862 1069 4.1 24.02 840 1179 4.4 24.65 818 1301 4.6 24.96 808 1290 4.9 25.51 791 1400 26.14 772 1532 27.13 743 1598 27.68 729 1742 28.31 712 1874 28.86 699 2028

Polycythemia and hyperviscosity Impaired immune function What are the long-term complications for the child of an FGR pregnancy How is the diagnosis of FGR determined Lower IQ, learning and behavior problems, major neurologic handicaps Patient history, clinical assessment of fundal height, and sonographic evaluation of the fetus, placenta, and amniotic fluid is necessary Estimation of fetal weight is the single best morphometric test for identifying fetuses whose birth weight is likely to be below the 10th percentile for gestational age (FGR) Oligohydramnios may be a consequence of FGR and refers to amniotic fluid volume that is less than expected for gestational age. It occurs when there is diminished fetal urine production, and in FGR this may be because of hypoxia-induced redistribution of blood flow to vital organs at the expense of less vital organs, such as the kidney. Severe oligohydramnios is associated with high perinatal mortality (15 80% of fetuses with FGR do not have decreased amniotic fluid volume) What is the role of doppler assessment of the umbilical arteries in evaluating FGR They are not useful for screening and diagnosis of the small fetus. They are useful for identifying the small fetus that is at risk for adverse perinatal outcome (non-reasssuring fetal heart rate patterns, cesarean delivery, preterm birth, neonatal intensive care admission, asphyxia)

Once notification of a major outage has been issued, a decision will be made by the BC team (which consists of the CIO, CTO, CEO, CFO, and their support personnel) within one hour regarding whether to fail over to the CME Omaha data center. Note, though, that this provides only one hour of time to accomplish the actual failover of the data center within the specified two-hour window. Employees required for Tier 1 and Tier 2 continuity must have broadband or dial-up Internet connectivity from home and must complete the BC training and maintain the accompanying BC documentation at their residences. CME will provide the broadband connectivity and a thin-client or corporate laptop for the 50 Tier 1 designated employees. Tier 2 employees will use existing employee-provided hardware and Internet connectivity to connect from their residences or other CME branches. These Internet connections will provide full access to the Tier 1 and Tier 2 applications. Tier 3 will utilize a makeshift facility, if required, in addition to any home-based access.

A ToS attack occurs, in general, when one subscriber attempts to impersonate another legitimate network user by forging his digital signature and attempting to use network resources (bandwidth, access to specific premium services, etc.) that are not billed to the impersonator s account or are not available to the attacker in the first place. It must be noted here that the OLT provides a digital identity watermark for each ONU during its registration phase (LLID [7]), which is later used during bilateral transmissions (upstream/ downstream channel) and is inserted by both ONU and OLT in transmitted data frames. However, transmission of such vital and security-sensitive data in plain-text format provides a perfect means for launching a masquerading attack, followed most typically by ToS, where the malicious subscriber simply forges his own LLID, substituting it with the legitimate LLID of another ONU, while transmitting upstream toward the OLT. Assuming the subscriber in question has sufficient knowledge of EPON hardware, this step is not any more difficult than disabling LLID filtering, which is required for passive traffic monitoring, as examined previously. Of course, faking LLID and transmitting frames at a random moment in time is no good since the upstream channel is slotted and access time is strictly supervised by the central OLT controller. Thus, such an impersonator must also have the capability to passively monitor all downstream traffic, filter incoming data streams against LLIDs,

Follow links backwards: A B C D E Removing 2 elements. Number of elements: 3 Contents after deletion: E D B Contents after addition to end: E D B X Y Z

If most, or all, of an organization s computing infrastructure will be housed at a data center, it is imperative that physical access be restricted and monitored. Many outsourced hosting facilities have security guards, card-key access, motion sensors, and silent alarms.