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 _______ can check the MAC addresses contained inthe frame. A) passive hub B) repeater C) bridge D) route
Last Answer : bridge
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 : 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 : 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 : 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 : Frames from oneLAN can be transmitted to anotherLAN viathe device A. Router B. Bridge C. Repeater D. Modem
Last Answer : Bridge
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 : _________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 : 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 : 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 : Which of the following devices is specially designed to forward packets to specific ports based on the packet's address? 1) Specialty hub 2) Switching hub 3) Port hub 4) Filtering hub
Last Answer : 2) Switching hub
Description : Which of the following devices is specially designed to forward packets to specific ports based on the packet's address? 1 Specialty hub 2 Switching hub 3 Port hub 4 Filtering hub
Last Answer : 2 Switching hub
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 : A packet filtering firewall can a. deny certain users from accessing a service b. block worms and viruses from entering the network c. disallow some files from being accessed through FTP d. block some hosts from accessing the network
Last Answer : d. block some hosts from accessing the network
Description : Which among the below stated datagram discard code fields in ICMP is/are generated if a router fails to forward a packet due to administrative filtering? a. Source Route Failed b. Communication Administratively Prohibited c. Host Precedence Violation d. Precedence Cut-off in Effect
Last Answer : b. Communication Administratively Prohibited
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 : Discuss the role of the HUB. Differentiate between Active Hub and Passive Hub.
Last Answer : HUB: Hub is a connecting device; it is also known as multiport repeater. It is normally used for connecting stations in a physical star topology All networks require a central location to bring media segments ... . They are much expensive than passive hubs. 4. They are not much expensive.
Description : What isanother name fora sharednetwork? A) WAP B) Switch C) Broadband router D) Hub
Last Answer : Hub
Description : Which topology requires acentral controller or hub? A) Mesh B) Star C) Bus D) Ring
Last Answer : Star
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 : 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 : 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 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 : 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 central device in star topology? a. STP serve b. Hub/switch c. PDC d. Router
Last Answer : b. Hub/switch
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 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 : In ring topology, repeater works in 3 modes: _____, _____ and ______: a) Read, Transmit, By Pass b) Listen ,Transmit, By Pass c) Store, Spread, By Pass d) None of These
Last Answer : b) Listen ,Transmit, By Pass
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 : A _______ is a device that operates only in the physical layer A) passive hub B) repeater C) bridge D) router
Description : __________ do not take their decisions on measurements or estimates of the current traffic and topology. a. Static algorithms b. Adaptive algorithms c. Non - adaptive algorithms d. Recursive algorithms
Last Answer : c. Non - adaptive algorithms
Description : A bridge can use the _________algorithm tocreate aloopless topology. A) binary tree B) spanning tree C) multiway tree D) none of the abov
Last Answer : spanning tree
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 : ………………... are needed to communicate with systems on other networks. A. repeaters B. amplifiers C. Bridge D. Gateways
Last Answer : D. Gateways
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 : What is the difference between switch and bridge?
Last Answer : It is used to forward the packets between shared media LANs such as Ethernet. Such switches are sometimes known by the obvious name of LAN switches. It is a collection of LANs connected by one ... and have the node forward frames from one Ethernet to the other, this node is called bridge.
Description : What is meant by bridge?
Last Answer : It is a collection of LANs connected by one or more bridges is usually said to form an extended LAN. In their simplest variants, bridges simply accept LAN frames on their inputs and forward them out on all other outputs.
Description : 44. The word “Programming” means taking decisions ______ a. Systematically b. Rapidly c. Slowly d. Instantly
Last Answer : a. Systematically
Description : In IEEE 802.11, the MAC layer framehas ______ fields. A) four B) five C) six D) none of the above
Last Answer : four