Description : A __________ forwards every frame; it has no filteringcapability. A) passive hub B) repeater C) bridge D) router
Last Answer : repeater
Description : A ________receivesa signal and,before it becomes too weak or corrupted, regenerates the original bit pattern. It thensends the refreshed signal. A) passive hub B) repeater C) bridge D) router
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 : A ______ has a tableused in filtering decisions. A) passive hub B) repeater C) bridge D) none of the above
Last Answer : bridge
Description : A _______ can check the MAC addresses contained inthe frame. A) passive hub B) repeater C) bridge D) route
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 a device that operates only in the physical layer A) passive hub B) repeater C) bridge D) router
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 : 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
Last Answer : gateway
Description : Frames from oneLAN can be transmitted to anotherLAN viathe device A. Router B. Bridge C. Repeater D. Modem
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 device that forwards packets between networks by processing the routing information included in the packet. a) bridge b) firewall c) router d) hub
Last Answer : c) router
Description : Which device uses logical addressing system? a. Hub b. Switch c. Bridge d. Router
Last Answer : d. 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 : What is the difference between a switch and a hub? A. Switches operate at physical layer while hubs operate at data link layer B. Switches operate at data link layer while hubs operate at ... hubs operate at physical layer D. Switches operate at transport layer while hubs operate at physical layer
Last Answer : C. Switches operate at data link layer while hubs operate at physical layer
Description : Which of the following statements accurately describe the differences between a hub and a switch? Check all that apply. A. A switch remembers which devices are connected on each interface, while a hub does not. B. A hub is a ... versions of switches. a. A,B b. A,B,C c. A,B,C,D d. A,C,D
Last Answer : b. A,B,C
Description : Bluetooth uses ______method in thephysical layer to avoid interference from other devicesor othernetworks. A) DSSS B) FHSS C) FDMA D) none of the above
Last Answer : FHSS
Description : In Bluetooth, the_______ layer is roughly equivalent to thephysical layer of theInternet model. A) radio B) baseband C) L2CAP D) none of the above
Last Answer : radio
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 : The _______ layer corresponds to thephysical layer of the OSI model. A) section B) line C) path D) photonic
Last Answer : section
Description : The inputand output portsof a router perform the ________ layer functions of therouter. A) physical and data link B) network C) transport D) none of the above
Last Answer : physical and data link
Description : A _______regenerates a signal, connects segments of a LAN,and hasno filtering capability. A) repeater B) bridge C) router D) none of the above
Description : The layer one of the OSI model is A) Physical layer B) Link layer C) Router layer D) Broadcast layer
Last Answer : A) Physical layer
Description : _________is just aconnector. A) An activehub B) A passive hub C) either (a)or (b) D) neither (a)nor (b)
Last Answer : A passive hub
Description : The idea of RZ andthe ideaof NRZ-I are combined into the ________ scheme. A) Manchester B) differential Manchester C) both (a) and (b) D) neither (a) nor (b)
Last Answer : differential Manchester
Description : The idea of RZ andthe ideaof NRZ-L are combined into the ________ scheme. A) Manchester B) differential Manchester C) both (a) and (b) D) neither (a) nor (b)
Last Answer : Manchester
Description : What isanother name fora sharednetwork? A) WAP B) Switch C) Broadband router D) Hub
Last Answer : Hub
Description : Your company has a LAN in its downtown officeandhas now set upa LAN inthe manufacturing plant inthe suburbs. Toenable everyoneto sharedata and resources between the two LANs, what type of device(s) are neededto connect them? Choose the most correct answer. A. Modem B. Cable C. Hub D. Router
Last Answer : Router
Description : What is the central device in star topology? a. STP serve b. Hub/switch c. PDC d. Router
Last Answer : b. Hub/switch
Description : A _____ is a computer, appliance, or router that sits between the trusted and untrusted systems. (1) bridge (2) switch (3) firewall (4) hub
Last Answer : firewall
Description : _______ uses twocarriers, onein-phase andthe otherquadrature. A) ASK B) PSK C) FSK D) QAM
Last Answer : QAM
Description : A _________ interconnects LAN having identical protocols at the physical and data link layers. A. All of these B. bridge C. router D. Gateway
Last Answer : B. bridge
Description : Which network component/s is/are involved in the Presentation layer of an OSI model? a. Gateway b. Multiplexer & Oscilloscope c. Amplifier & Hub d. All of the above
Last Answer : a. Gateway
Description : Which among the following represents the objectives/requirements of Data Link Layer? a. Frame Synchronization b. Error & Flow Control c. Both a & b d. None of the above
Last Answer : c. Both a & b
Description : The types of data services offered by an LLC (Logical Link Control) layer are a. Connectionless which is fast and unreliable b. Connection Oriented which is slow and reliable c. Both A and B d. None
Last Answer : c. Both A and B
Description : The two sublayers of a Data Link layer are a. LLC Logical Link Control Layer b. MAC Medium Access Control Layer c. Both A and B d. Data Layer
Description : A star connected intermediate exchange is known as a (A) Repeater exchange (B) Hub exchange (C) Private branch exchange (D) Tandem exchange
Last Answer : (B) Hub exchange
Description : What device separates asingle network into two segmentsbut lets the twosegments appear as one tohigher protocols? A. Switch B. Bridge C. Gateway D. Router
Description : What is the minimum number of wires needed to send data over a serial communication link layer? a. 1 b. 2 c. 4 d. 6 e. none of above
Last Answer : 2
Description : In OSI network architecture, the routing is performed by a. network layer b. data link layer c. transport layer d. session layer e. none of above
Last Answer : network layer
Description : In OSI network architecture, the dialogue control and token management are responsibility of a. session layer b. network layer c. transport layer d. data link layer e. none of above
Last Answer : session layer
Description : The _______ layer of Ethernet consistsof the LLC sublayer and the MAC sublayer. A) data link B) physical C) network D) none of the above
Last Answer : data link
Description : _______ inthe data link layer separates a message from one source toa destination, or from other messages going from other sources to other destinations. A) Digitizing B) Controlling C) Framing D) none of the above
Last Answer : Framing
Description : At the data link layer, Frame Relayusesa protocol that supports _____control. A) flow B) error C) either (a) or (b D) neither (a) nor (b)
Last Answer : neither (a) nor (b)
Description : Frame Relay has_______. A) only the physical layer B) only thedata link C) the physical and data link layers D) the physical, data link, andnetwork layers
Last Answer : the physical and data link layers
Description : The routing processor of arouter performs the ________ layer functions of therouter. A) physical and data link B) network C) transport D) none of the above
Last Answer : network
Description : The layer of OSI model can use the trailer of the frame for error detection. A) Physical B) Data link C) Transport D) Presentation
Last Answer : A) Physical
Description : The..............layer change bits onto electromagnetic signals. A) Physical B) Transport C) Data Link D) Presentation