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Discus polarity of compounds on the basis of dipole moment?
Dipole Moment || How to find Molecule is Polar or Non Polar …
They can occur between two ions in an ionic bond or between atoms in a covalent bond; dipole moments arise from differences in electronegativity. The larger the difference in electronegativity, the larger the dipole moment. … The dipole moment is a measure of the polarity of the molecule.
a) As total number of customers are 3500 in the area, so the ISP will need 3500 hundred IP addresses for assigning unique IP address to the customers. But IP addresses can only be purchased in a range according to multiple of 2 i.e., number of IP addresses should be according to 2n. So,
Minimum number of static addresses required by the ISP = 2n (for minimum ‘n’ such that 2n >=3500)
= 212 = 4096
So, minimum number of static IP addresses purchased by the ISP = 4096
b) Number of remaining IP address = 4096 – 3500 = 596
A total of 596 IP addresses are available to be used in the extended area for providing services. So, maximum number of users in the extended area are 596 that can be provided service using the same static IP addresses.
a) As active number of users are much lesser, so we don’t need to assign static IP address to each customer. Dynamic address allocation technique can be used with a relatively small number of available addresses to be assigned to active users only. As the hosts join and leave, the DHCP (Dynamic Host Configuration Protocol) server allocates an arbitrary address from its current pool of available addresses. Each time a host leaves, its address is returned to the pool. DHCP is ideally suited to these situations, as there are many users coming and going, and addresses are needed for only a limited amount of time
b) As total number of active customers are no more than 950 at a time. The ISP does not need 4,096 IP addresses. Only a block of 1024 IP addresses are sufficient along with the DHCP protocol to provide seamless services to its customers.
Minimum number of IP addresses required by the ISP = 2n (for minimum ‘n’ such that 2n >=950)
= 210 = 1024 > 950
So, many minimum number of IP addresses purchased by the ISP = 1024
The strong financial system helps in ---------- the spread between banks lending and borrowing rate.
Spreads in Lending
For any business that lends money, the interest rate spread is what the company charges on a loan compared to its cost of money. A bank runs on interest rate spreads, paying a certain rate on savings and CD deposits and making loans at higher rates than it pays to savers.