Description : A _______ is a connecting device that operates in the physical and data link layers of the Internet model.
Last Answer : bridge
Description : A repeater is a connecting devicethat operates in the _______ layer of theInternet model. A) physical B) data link C) network D) all of theabove
Last Answer : physical
Description : A _______ is a connecting devicethat operates in the physical and data link layers of theInternet model. A) repeater B) bridge C) router D) none of the above
Description : A ________ is normally a computer that operates in all five layers of the Internet model or seven layers of OSI model.
Last Answer : gateway
Description : A _______ is a three-layer device that handles packets based on their logical addresses
Last Answer : router
Description : ________ is actually a multiport repeater. It is normally used to create connections between stations in a physical star topology
Last Answer : An active hub
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 : A device operating at Physical layer is called a. Repeater b. Gateway c. Router d. Bridge
Last Answer : a. Repeater
Description : A device operating at network layer is called a. Repeater b. Router c. Gateway d. Bridge
Last Answer : b. Router
Description : In IT networking, which of the following device is used in physical layer? (1) Repeater (2) Router (3) Transport Gateway (4) Bridge
Last Answer : Repeater
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 : The OSI layer that provides the control functions necessary to establish, manage and terminated the connections as required to satisfy the user reques
Last Answer : Session layer
Description : One of the responsibilities of the transport layer protocol is to create a ______ communication.
Last Answer : process to process
Description : _______ refers to the structure or format of the data, meaning the order in which they are presented.
Last Answer : Semantics
Description : The process of decaying from one energy level to another energy level is called _______
Last Answer : Spontaneous emission
Description : _______ is a standard developed by ANSI for fiber-optic networks.
Last Answer : SONET
Description : In a star-topology Ethernet LAN, _______ is just a point where the signals coming from different stations collide; it is the collision point.
Last Answer : a passive hub
Description : Bluetooth is a _______ technology that connects devices (called gadgets) in a small area
Last Answer : Wireless LAN
Description : IEEE has defined the specifications for a wireless LAN, called _______, which covers the physical and data link layers.
Last Answer : . IEEE 802.11
Description : In IPv6, when a datagram needs to be discarded in a congested network, the decision is based on the _______ field in the base header.
Last Answer : priority
Description : Congestion in a network or internetwork occurs because routers and switches have _______
Last Answer : queues
Description : TELNET is an abbreviation for _______
Last Answer : Terminal Network
Description : Message _______ means that the receiver is ensured that the message is coming from the intended sender, not an imposter
Last Answer : authentication
Description : _______ is the cell relay protocol designed by the corresponding Forum and adopted by the ITU-T.
Last Answer : ATM
Description : In the ________ traffic model, the rate of the data flow changes in time, with the changes smooth instead of sudden and sharp.
Last Answer : variable bit rate
Description : What device can be constructed to allow microwave energy to pass in one direction but blocks energy in the other direction in a waveguide?
Last Answer : errite Isolato
Description : What is a device that provides a method of sampling energy from within a waveguide for measurement or use in another circuit?
Last Answer : Directional Coupler
Description : he local oscillator and mixer are combined in one device because:
Last Answer : it is cheaper
Description : As light is coupled in a multiport deflective device, the power is reduced by:
Last Answer : 0.5 dB
Description : It is the procedure used to decide which device has the permission to transmit at any given time.
Last Answer : Line control
Description : _________ is the protocol suite for the Internet.
Last Answer : TCP/IP
Description : A _______ is a device that operates only in the physical layer A) passive hub B) repeater C) bridge D) router
Last Answer : repeater
Description : _______ ispart of the media; its location in the Internet model is below thephysical layer. A) An activehub B) A passivehub C) either (a)or (b) D) neither (a) nor (b)
Last Answer : A passivehub
Description : A ________operates in both thephysical andthe data link layer. A) passive hub B) repeater C) bridge D) router
Description : A _______ can check the MAC addresses contained inthe frame. A) passive hub B) repeater C) bridge D) route
Description : How do I find the model # on Hahn super bb repeater?
Last Answer : Where do I find it
Description : A ________is a device in which the stations are completely unaware of its existence. A) passive hub B) repeater C) simple bridge D) transparent bridge
Last Answer : transparent bridge
Description : Which of the following device is used to connect two systems, especially if the systems use differentprotocols? A. hub B. bridge C. gateway D. repeater E. None of the above
Description : Frames from oneLAN can be transmitted to anotherLAN viathe device A. Router B. Bridge C. Repeater D. Modem
Last Answer : Bridge
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