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 : 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 ________operates in both thephysical andthe data link layer. A) passive hub B) repeater C) bridge D) router
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 : 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 : Which of the following devices takes data sent from one network device and forwards it to the destination node based on MAC address ? a. Hub b. Modem c. Switch d. Gateway
Last Answer : c. Switch
Description : Frames from oneLAN can be transmitted to anotherLAN viathe device A. Router B. Bridge C. Repeater D. Modem
Last Answer : Bridge
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 : 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 : 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 : 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 : 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 _______regenerates a signal, connects segments of a LAN,and hasno filtering capability. A) repeater B) bridge C) router D) none of the above
Description : A machine that connects to two or more electronic mail systems and transfers mail messagesamong them is known as A. Gateways B. mail gateway C. bridges D. User Agent E. None of the above
Last Answer : mail gateway
Description : Which of the following technique isused for encapsulation? A. a technique used inbest-effort delivery systems toavoid endlessly loopingpackets. B. a technique used by protocols in which a lower level ... network that cannothandle the originaldatagram size D. All of theabove E. None of the above
Last Answer : a technique used by protocols in which a lower level protocol accepts a message from ahigher level protocol and places it in the data portion of the low level frame
Description : Which of the following technique isused for fragment? A. a technique used inbest-effort delivery systems toavoid endlessly loopingpackets B. a technique used by protocols in which a lower level protocol ... network that cannothandle the originaldatagram size D. All of theabove E. None of the above
Last Answer : one of the pieces that results when an IP gateway divides an IP datagram into smallerpieces for transmission acrossa network that cannothandle the originaldatagram size
Description : State the functions of i. Repeater ii. Switch iii. Gateway iv. Bridges
Last Answer : i) Repeater: Repeaters are used to take the distorted, weak and corrupt input signal and regenerate this signal at its output. It ensures that the signals are not distorted or weak before it ... and decides whether to forward or discard it. It sends packets between two networks of same type.
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 is the central device in star topology? a. STP serve b. Hub/switch c. PDC d. Router
Last Answer : b. Hub/switch
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 : 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 : In the following list of devices, which device is used in datalink layer? (1) Repeaters (2) Routers (3) Application gateway (4) Bridge
Description : What is the purpose of using a Bridge in computer network? A. to connect LANs B. to separate LANs C. to control Network Speed D. All of the above
Last Answer : A. to connect LANs
Description : ________ is actually a multiport repeater. It is normally usedto createconnections between stations in a physical star topology. A) An activehub B) A passivehub C) either (a)or (b) D) neither (a) nor (b)
Last Answer : An activehub
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 repeater. A) regenerator B) ADM C) STS multiplexer/demultiplexer D) none of the above
Last Answer : STS multiplexer/demultiplexer
Description : ………………... are needed to communicate with systems on other networks. A. repeaters B. amplifiers C. Bridge D. Gateways
Last Answer : D. Gateways
Description : To connect a computer with a device inthe same room, you might be likely to use A. a coaxial cable B. a dedicated line C. a groundstation D. All of theabove E. None of the above
Last Answer : a coaxial cable
Description : To connect a computer with a device inthe same room, you might be likely to use A. a coaxial cable B. a dedicated line C. a groundstation D. All of theabove
Description : A network router joins two _________ together? A. Computers B. Switches C. Networks D. Gateway
Last Answer : C. Networks
Description : What is the number of separate protocol layers at the serial interface gateway specified by the X.25 standard? a. 4 b. 2 c. 6 d. 3 3. none of the above
Last Answer : 3
Description : Devices on one network can communicate with devices on another network via a ....... A) File Server B) Utility Server C) Printer Server D) Gateway
Last Answer : D) Gateway
Description : The address resolution protocol (ARP) is used for a. Finding the IP address from the DNS b. Finding the IP address of the default gateway c. Finding the IP address that corresponds to a MAC address d. Finding the MAC address that corresponds to an IP address
Last Answer : Finding the MAC address that corresponds to an IP address
Description : Define Gateway.
Last Answer : A device used to connect two separate networks that use different communication protocols.
Description : What isanother name fora sharednetwork? A) WAP B) Switch C) Broadband router D) Hub
Last Answer : Hub
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 : Which topology requires acentral controller or hub? A) Mesh B) Star C) Bus D) Ring
Last Answer : Star
Description : was the first step in the evolution of Ethernet from a coaxial cable bus to hub managed, twisted pair network. a. Star LAN b. Ring LAN c. Mesh LAN d. All of the above
Last Answer : a. Star LAN
Description : Which of the following is/ are the drawbacks of Ring Topology? A) Failure of one computer, can affect the whole network B) Adding or removing the computers disturbs the network activity. C) If the central hub fails, the whole network fails to operate. D) Both of A and B
Last Answer : D) Both of A and B
Description : If all devices are connected to a central hub, then topology is called A) Bus Topology B) Ring Topology C) Star Topology D) Tree Topology
Last Answer : C) Star Topology
Description : There are 10 users plugged into a hub running 10Mbps half-duplex.and a server connected to the switch running 10Mbps half- duplex as well. Find the bandwidth does each host have to the server? a. 100 kbps b. 1 Mbps c. 2 Mbps d. 10 Mbps
Last Answer : d. 10 Mbps
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 network topology requires a central controller or hub? a) Star b) Mesh c) Ring d) Bus
Last Answer : a) Star
Description : Which of the following transmission systems provide the highest data rate to in individual device? a. computer bus b. telephone lines c. voice and mode d. lease lines
Last Answer : computer bus