Description : Identify the classof the following IPv4 address: 191.1.2.3. A) A B) B C) C D) none of the above
Last Answer : B
Description : In IPv4, what is the value of the total length field in bytes if the header is 28 bytes and the data field is 400 bytes?
Last Answer : 428
Description : Which IP Address Class is INCORRECTLY paired with its range of network numbers? * Class A addresses include 192.0.0.0 through 223.255.255.0 * Class A addresses include 1.0.0.0 through 126.0.0.0 * Class B ... 192.0.0.0 through 223.255.255.0 * Class D addresses include 224.0.0.0 through 239.255.255.0
Last Answer : 1
Description : Identify the classof the following IPv4 address: 229.1.2.3. A) A B) B C) D D) none of the above
Last Answer : D
Description : Identify the classof the following IPv4 address: 4.5.6.7. A) A B) B C) C D) none of the above
Last Answer : A
Description : IPv4 and IPv6 are addresses used to identify computers on the internet. Find the correct statement out of the following: (A) Number of bits required for IPv4 address is more than number of bits required for ... of bits required for IPv6 address. (D) Number of bits required for IPv4 address is 64.
Last Answer : (C) Number of bits required for IPv4 address is less than number of bits required for IPv6 address.
Description : ____ is a dynamic mapping protocol in which a physical address is found for a given logical address
Last Answer : ARP
Description : A class A FM station is limited in antenna height of ______ feet above average terrain.
Last Answer : 2000
Description : The final power amplifier in an FM transmitter usually operates class ___
Last Answer : C
Description : The final power amplifier in an FM transmitter usually operates class ______.
Description : Which addresses are INCORRECTLY paired with their class? * 1 to 126, Class A * 128 to 191, Class A * 1 to 126, Class B * 128 to 191, Class B
Last Answer : Correct answer: B & C. Address classes are: 1 to 126, Class A; 128 to 191, Class B, 192 to 223, Class C; 224 to 239, Class D; and .
Description : Which addresses are INCORRECTLY paired with their class? * 128 to 191, Class B * 192 to 223 Class B * 128 to 191, Class C * 192 to 223, Class C
Last Answer : Correct answer: B & C Address classes are: 1 to 126, Class A; 128 to 191, Class B, 192 to 223, Class C; 224 to 239, Class D; and
Description : In IPv6,a ___________ address is anaddress of 96 bits of zero followed by32 bits of IPv4 address. A) link local B) site local C) mapped D) none of the above
Last Answer : none of the above
Description : An IPv4 address consistsof _______ bits. A) 4 B) 8 C) 32 D) 64
Last Answer : 32
Description : Which of the following is correct IPv4 address? a. 124.201.3.1.52 b. 01.200.128.123 c. 300.142.210.64 d. 128.64.0.0
Last Answer : d. 128.64.0.0
Description : Unspecified address......................of IPV6 address is equivalent to the IPV4 unspecified address 0.0.0.0. A) (: : 1) B) (: : ) C) (: : 0) D) (1 : : )
Last Answer : B) (: : )
Description : Loopback address ....................... of IPv6 address is equivalent to the IPV4 loopback address 127.0.0.1. A) (: : 1) B) (: : ) C) (: : 0) D) (1 : : )
Last Answer : A) (: : 1)
Description : Unspecified address ………………….. of IPV6 address is equivalent to the IPV4 unspecified address 0.0.0.0. A) (: : 1) B) (: : ) C) (: : 0) D) (1 : : )
Description : Loopback address ……………………. of IPv6 address is equivalent to the IPV4 loopback address 127.0.0.1. A) (: : 1) B) (: : ) C) (: : 0) D) (1 : : )
Description : The magnetic field of an antenna is perpendicular to the earth. The antenna’s polarization ___
Last Answer : is horizontal
Description : It is the ratio of the power density radiated in a particular direction to the power density radiated to the same point by a reference antenna, assuming both antennas are radiating the same amount of power
Last Answer : directive gain
Description : The property of interchangeability for the transmitting and receiving operations is known as ____
Last Answer : reciprocity
Description : The fields surrounding the antenna do not collapse their energy back into the antenna but rather radiate it out in space
Last Answer : radiation field
Description : It is the ratio of the radiated to the reflected energy:
Last Answer : Radiation efficiency
Description : It is the resistance that, if it replaced the antenna, would dissipate exactly the same amount of power that the antenna radiates
Last Answer : . Radiation resistance
Description : Plots of field strength or power density with respect to the value at a reference point.
Last Answer : relative radiation pattern
Description : The radiation pattern plotted in terms of electric field strength or power density
Last Answer : absolute radiation pattern
Description : The line bisecting the major lobe, or pointing from the center of the antenna in the direction of maximum radiation is called _____
Last Answer : line of shoot
Description : A special type of transmission line that consist of conducting metallic tube through which high frequency electromagnetic energy is propagated
Last Answer : waveguide
Description : If energy is applied at the geometrical center of antenna, the antenna is said to be ___
Last Answer : center-fed
Description : The radiation pattern of collinear and a broadside antenna is __
Last Answer : bidirectional
Description : Hertz antenna are predominantly used with frequencies above
Last Answer : 2MHz
Description : The point on the antenna where the transmission line is connected is called _____
Last Answer : feedpoint
Description : The discone antenna is
Last Answer : useful as a UHF receiving antenna
Description : It is the same with directive gain except that the total power fed to the antenna is used and the antenna efficiency is taken into account.
Last Answer : power gain
Description : ____ is a process-to-process protocol that adds only port addresses, checksum error control, and length information to the data from the upper layer.
Last Answer : UDP
Description : ______ are special-interest groups that quickly test, evaluate, and standardize new technologies
Last Answer : Forums
Description : _______ refers to the structure or format of the data, meaning the order in which they are presented.
Last Answer : Semantics
Description : ________ defines how a particular pattern to be interpreted, and what action is to be taken based on that interpretation.
Last Answer : syntax
Description : The effect of a large magnitude of the numerical aperture.
Last Answer : The amount of external light the fiber will accept is greater
Description : It is the figure of merit used to measure the magnitude of the acceptance angle.
Last Answer : numerical aperture
Description : It is a result of photons of light that are absorbed by the atoms of the glass core molecule
Last Answer : infrared absorption
Description : It is caused by valence electrons in the silica material from which the fiber are manufactured.
Last Answer : ultraviolet absorption
Description : It is analogous to power dissipation to copper cables, impurities in the fiber absorb the light and covert it to heaT
Last Answer : absorption loss
Description : The maximum angle in which external light rays may strike the air/glass interface and still propagate down the fiber.
Last Answer : Acceptance cone half-angle
Description : Laser light is very bright because it is:
Last Answer : coherent
Description : The process of moving from one energy level to another is called __
Last Answer : Absorption
Description : The process of decaying from one energy level to another energy level is called _______
Last Answer : Spontaneous emission
Description : Any energy above the ground state is called ________
Last Answer : excited state
Description : What phenomenon will result if the glass fiber is exposed to long periods of high humidity?
Last Answer : stress corrosion