Description : A device operating at network layer is called a. Repeater b. Router c. Gateway d. Bridge
Last Answer : b. Router
Description : A device operating at Physical layer is called a. Repeater b. Gateway c. Router d. Bridge
Last Answer : a. Repeater
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 : In the following list of devices which device is used in network layer? (1) Repeaters (2) Router (3) Application Gateway (4) Switch
Last Answer : Router
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 : Which device uses logical addressing system? a. Hub b. Switch c. Bridge d. Router
Last Answer : d. Router
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 : Which of the following is not a network device: a) Router b) Switch c) Modem d) Bridge e) None of The Above
Last Answer : e) None of The Above
Description : A network router joins two _________ together? A. Computers B. Switches C. Networks D. Gateway
Last Answer : C. Networks
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 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 : Your company receives internet access through a network or a gateway server. Which of the following devices is best suited to protect resources and subnet your LAN directly on the network server? 1) DSL modem 2) A multi-homed firewall 3) VLAN 4) A brouter that acts both as a bridge and a router
Last Answer : 2) A multi-homed firewall
Description : Your company receives internet access through a network or a gateway server. Which of the following devices is best suited to protect resources and subnet your LAN directly on the network server? 1 DSL modem 2 A multi-homed firewall 3 VLAN 4 A brouter that acts both as a bridge and a router
Last Answer : 2 A multi-homed firewall
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 : Frames from oneLAN can be transmitted to anotherLAN viathe device A. Router B. Bridge C. Repeater D. Modem
Last Answer : Bridge
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 of the following is used as an intermediate to extend the processor BUS? A. Gateway B. Router C. Connector D. Bridge
Last Answer : D. Bridge
Description : Main basic components of a data communication are composed of the following. A. Computer, modern and router B. Computer, bridge and gateway C. Transmitter, channel and receiver D. Transmitter, computer and modem
Last Answer : C. Transmitter, channel and receiver
Description : In_______transmission, bits aretransmittedover asingle wire, one ata time. A) asynchronous serial B) synchronous serial C) parallel D) (a) and (b)
Last Answer : (a) and (b)
Description : In IPv6,_______ address defines asingle computer. A) aunicast B) a multicast C) an anycast D) none of the above
Last Answer : aunicast
Description : It is more accurate to define a _____ as a variety of different recordtypes that aretreated as asingle unit A. Database B. Table C. Record D. Flat File E. None of the above
Last Answer : Database
Description : In a _______ connection, more thantwo devices can share asingle link. A) point-to-point B) multipoint C) primary D) secondary
Last Answer : multipoint
Description : What type of network device allows youto share your connection to the Internet with other computers in your home? A) Ethernet card B) NIC C) Router D) Cat 5
Description : A USB communication device that supports data encryption for secure wireless communication for notebook users is called a a) USB wireless network adapter b) wireless switch c) wireless hub d) router e) None of these
Last Answer : a) USB wireless network adapter
Description : Which one of the following is not a network device? (A) Router (B) Switch (C) Hub (D) CPU
Last Answer : Answer: D
Description : 7.How does traceroute work? A. It uses an ICMP destination-unreachable message to elicit the name of a router. B. It sends a specially crafted IP packet to a router to locate the number of hops from ... the TTL value in an ICMP message to determine the number of hops from the sender to the router.
Last Answer : D. It uses the TTL value in an ICMP message to determine the number of hops from the sender to the router.
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 : 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 : What isanother name fora sharednetwork? A) WAP B) Switch C) Broadband router D) Hub
Last Answer : Hub
Description : Which of the following layer protocols are responsible for user and theapplicationprogrammesupport such aspasswords, resource sharing, file transfer and network management? A. Layer 7 protocols B. Layer 6 protocols C. Layer 5 protocols D. Layer 4 protocols E. None of the above
Last Answer : Layer 7 protocols
Description : TELNET, FTP, SMTP, Protocols fall in the following layer of OSI reference model? a. Transport layer b. Internet layer c. Network layer d. Application layer
Last Answer : d. Application layer
Description : Which of the following is NOT true about User Datagram Protocol in transport layer? a. Works well in unidirectional communication, suitable for broadcast information. b. It does three way ... File System d. The lack of retransmission delays makes it suitable for real-time applications
Last Answer : b. It does three way handshake before sending datagrams
Description : TCP and UDP are called ________ a. Application protocols b. Session protocols c. Transport protocols d. Network protocols
Last Answer : c. Transport protocols
Description : What are the common protocols associated with the network layer? a. Address Resolution Protocol b. Reverse Address Resolution Protocol c. Internet protocol d. Neighbour Discovery Protocol
Last Answer : c. Internet protocol
Description : Which protocols adopted the standards of HDLC (High Level Link Control) protocol? a. X.25 protocol as LAPB (Link Access Procedure Balanced, V.42 protocol as LAPM (Link Access Procedure for ... Services Digital Network) protocol as LAPD (Link Access Procedure on D channel) d. All the above
Last Answer : d. All the above
Description : State weather the following statement is true or false for ISDN - Integrated Services Digital Network ISDN is an effort to standardize subscriber services, provide user/network interfaces 2). the goal of ISDN is to form a Local ... C. 1. false, 2. false, 3. false D. 1. true, 2. true, 3. false
Last Answer : A. 1. True, 2. false, 3. true
Description : State weather the following statement is true or false for Internetwork layer. 1).Other internetwork-layer protocols are IP, ICMP, IGMP, ARP, and RARP. 2). Internet Protocol (IP) is the least important protocol in this layer ... 3.true C. 1. false, 2. false, 3. false D. 1. true, 2. true, 3. false
Last Answer : B. 1. true, 2. false, 3.true
Description : PGP is one of the protocols used to provide security at the ……….. It is designed to create authenticated and confidential ………. A. application layer, e-mails. B. Network layer, packets C. application layer, packets D. network layer , e-mails
Last Answer : A. application layer, e-mails
Description : TCP and UDP are called ________ A. Application protocols B. Session protocols C. Transport protocols D. Network protocols
Last Answer : C. Transport protocols
Description : In the following list of devices, which device is used in datalink layer? (1) Repeaters (2) Routers (3) Application gateway (4) Bridge
Description : A ________operates in both thephysical andthe data link layer. A) passive hub B) repeater C) bridge D) router
Last Answer : bridge
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 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 computer, appliance, or router that sits between the trusted and untrusted systems. (1) bridge (2) switch (3) firewall (4) hub
Last Answer : firewall
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 : Gateway can interconnect LANs that have ____ protocols and formats. A. The same B. Different or the same C. Totally different D. None of these
Last Answer : C. Totally different
Description : The examples of Interior Gateway Protocols (IGP) are. i) Open Short Path First (OSPF) ii) Routing Information Protocol (RIP) iii) Border Gateway Protocol (BGP) A) i only B) i, and ii only C) i and iii only D) All i, ii and iii
Last Answer : B) i, and ii only
Description : Proxy application gateway (i) acts on behalf of all intranet users wanting to access interne securely (ii)monitors all accesses to internet and allows access to only specified IP addresses (iii) disallows use of certain protocols with ... ii b. i, ii, iii c. i, ii, iii, iv d. ii, iii, iv
Last Answer : b. i, ii, iii