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 : State whether the following statement are true. i) An application-level gateway is often referred to as a proxy. ii) In proxy, a direct connection is established between the client and destination server. A) True, False B) False, True C) True, True D) False, False
Last Answer : A) True, False
Description : Compare peer to peer network and server based networks.
Last Answer : Peer to Peer Network Server Based Network It is a decentralized management It is centralized management It is easy to set up & no administrator required It is complex to set ... client has less power. Uses less expensive computer hardware. It is hardware intensive.
Description : Compare Server based network and peer-to-peer network.
Last Answer : Compare Server based network & Peer to Peer network Server based network Peer to Peer 1. It is much like company uses centralized management. 1. It is much like company uses ... 7.It support small Network 8.Better performance 8.Might hurt user's performance
Description : A communication device that combines transmissions from several I/O devices into one line is a A) Concentrator B) Modifier C) Multiplexer D) Full duplex file
Last Answer : C) Multiplexer
Description : ..................mode is used whenever either end of a security association is gateway. A) Tunnel B) Encapsulating C) Transport D) Gateway
Last Answer : A) Tunnel
Description : Which of the following is / are the types of firewall? A) Packet Filtering Firewall B) Dual Homed Gateway Firewall C) Screen Host Firewall D) All of the above
Last Answer : D) All of the above
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 : 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 : In a................ topology, if there are n devices in a network, each device has n-1 ports for cables. A) Mesh B) Star C) Bus D) Ring
Last Answer : Mesh
Description : State features of any one network control devices.
Last Answer : A hardware device that are used to connect computers, printers, fax machine and other electronic devices to a network are called network devices. These devices transfer data in a fast, ... transforms incoming analog signals into their digital equivalents. A two way communication is established.
Description : Write in brief any two roles of network control devices in computer network.
Last Answer : Two roles of network control devices in computer: Role of repeater: Generates the original signal. Operates in the physical layer. Role of Bridges: Bridges utilize the address ... Role of Gateways: Gateways provide translation services between incompatible networks and works in all layers.
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 : Sending messages to devices on my network.
Last Answer : What kind of “messages” were you looking to send? Even though they might all be connected to a single wireless network, they still each have their own protocol for “messages”.
Description : While initiating SSL session, the client code recognizes the SSL request and establishes a connection through TCP Part.................to the SSL code on the server. A) 420 B) 1032 C) 443 D) 322
Last Answer : C) 443
Description : ............. is a set of information that is exchanged between a client and web browser and a web server during an HTTP transaction. A) infoset B) clientinfo C) cookie D) transkie
Last Answer : C) cookie
Description : FTP server listens to connections on port ……………………. A) 19 and 20 B) 20 and 21 C) 21 and 22 D) 20 and 22
Last Answer : B) 20 and 21
Description : Define Server. Give the name of any two types of Server.
Last Answer : Definition of server: The central computer which is more powerful than the clients & which allows the clients to access its software & database is called as the server. Types of server: 1. File server 2. Print Sever 3. Application server 4. Message server 5. Database server
Description : If all devices are connected to a central hub, then topology is called
Last Answer : C) Star Topology
Description : Which among the following is correct characteristics about proxy server: a) A proxy server may act as a firewall by responding to input packets in the manner of an application while blocking other packets. b) A ... as a proxy on behalf of the network user; d) All of the Above e) None of These
Last Answer : d) All of the Above
Description : Which of the following operations can be performed by using FTP. i) Connect to a remote host ii) Select directory iii) Define the transfer mode iv) List file available A) i, and ii only B) i, ii and iii only C) ii, iii and iv only D) All i, ii, iii and iv
Last Answer : D) All i, ii, iii and iv
Description : Write the name of layers that perform the following functions in OSI : I. Data Encryption II. Error Correction III. File Transfer IV. Data Encoding
Last Answer : 1. Data Encryption-Presentation Layer 2. Error Correction-Data link layer and Transport layer 3. File Transfer-Application layer 4. Data Encoding-Presentation layer
Description : A packet whose destination is outside the local TCP/IP network segment is sent to .............. (1) File server (2) DNS server (3) DHCP server (4) Default gateway
Last Answer : Answer: 4
Description : The............................. Is a collection of protocols designed by Internet Engineering TaskForce(IETF) to provide security for a packet at the Network level. A) IPsec B) Netsec C) Packetsec D) Protocolsec
Last Answer : A) IPsec
Description : A ..................is an extension of an enterprise’s private intranet across a public Network such as the Internet across a public Network such as the Internet, creating a secure private connection. A) VNP B) VPN C) VSN D) VSPN
Last Answer : B) VPN
Description : State true or false. i) Socks are a standard for circuit level gateways. ii) The NAT is used for small number of the hosts in a private network. A) True, False B) False, True C) True, True D) False, False
Last Answer : C) True, True
Description : .................... is used to carry traffic of one protocol over network that does not support that protocol directly. A) Tunneling
Last Answer : A) Tunneling
Description : A firewall is installed at the point where the secure internal network and untrusted external network meet which is also known as ……………… A) Chock point B) meeting point C) firewall point D) secure point
Last Answer : A) Chock point
Description : The following protocols and system are commonly used to provide various degrees of security services in computer network. i) IP filtering ii) Reverse Address Translation iii) IP security Architecture (IPsec) iv) Firewalls v) Socks A) ... v only C) ii, iii, iv and v only D) All i, ii, iii, iv and v
Last Answer : B) i, iii, iv and v only
Description : Which of the following are the solutions to network security? i) Encryption ii) Authentication iii) Authorization iv) Non-repudiation A) i, ii and iii only B) ii, iii and iv only C) i, iii and iv only D) All i, ii, iii and iv
Last Answer : Which of the following are the solutions to network security? i) Encryption ii) Authentication iii) Authorization iv) Non-repudiation A) i, ii and iii only B) ii, iii and iv only C) i, iii and iv only D) All i, ii, iii and iv
Description : ........... is responsible for converting the higher level protocol addresses to physical Network Addresses. A) Address Resolution Protocol (ARP) B) Reverse Address Resolution Protocol (RARP) C) Bootstrap Protocol (BOOTP) D) Internet Control Message Protocol (ICMP)
Last Answer : A) Address Resolution Protocol (ARP)
Description : ............ implies that all subnets obtained from the same network use the subnet mask. A) Static subnetting B) Dynamic Subnetting C) Variable length subnetting D) Both B and C
Last Answer : A) Static subnetting
Description : The combination of ........... and ............. is often termed the local address or the local portion of the IP Address. A) Network number and host number B) Network number and subnet number C) Subnet number and host number. D) All of the above
Last Answer : C) Subnet number and host number.
Description : 8............. was the first step in the evolution of Ethernet from a coaxial cable bus to hubmanaged, twisted pair network. A) Star LAN B) Ring LAN C) Mesh LAN D) All of the above
Last Answer : A) Star LAN
Description : Which is not the Regional Internet Registers (RIR) of the following? A) American Registry for Internet Numbers (ARIN) B) Europeans Registry for Which is not the Internet Numbers (ERIN) C) Reseaux IP Europeans (RIPE) D) Asia Pacific Network Information Centre (APNIC)
Last Answer : C) i-c, ii-a, iii-d, iv-b
Description : Which is not the Regional Internet Registers (RIR) of the following? A) American Registry for Internet Numbers (ARIN) B) Europeans Registry for Internet Numbers (ERIN) C) Reseaux IP Europeans (RIPE) D) Asia Pacific Network Information Centre (APNIC)
Last Answer : Europeans Registry for Internet Numbers (ERIN)
Description : Which of the following statement is true? i) An address with all bits 1 is interpreted as all networks or allhosts. ii) The class A network 128.0.0.0 is defined as the loopbacknetwork. A) i only B) ii only C) Both A and B D) None of the above
Last Answer : A) i only
Description : 2.address use 7 bits for the and 24 bits for the portion of the IP address. A) Class A B) Class B C) Class C D) Class D
Last Answer : A) Class A
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 : State whether the following is True or False. i) In bus topology, heavy Network traffic slows down the busspeed. ii) It is multipoint configuration. A) True, True B) True, False C) False, True D) False, False
Last Answer : A) True, True
Description : In which OSI layers does the FDDI protocol operate? A) Physical B) Data link C) Network D) A and B
Last Answer : D) A and B
Description : Which layers of the OSI determines the interface often system with the user? A) Network B) Application C) Data link D) Session
Last Answer : B) Application
Description : What is the name of the network topology in which there are bi-directional links between each possible node? A) Ring B) Star C) Tree D) Mesh
Description : Find out the OSI layer, which performs token management. A) Network Layer B) Transport Layer C) Session Layer D) Presentation Layer
Last Answer : C) Session Layer
Description : The performance of data communications network depends on .............. A) Number of users B) The hardware and software C) The transmission D) All of the above
Description : State the situations under which gateways are necessary in the network.
Last Answer : Gateway operates at all 7 layers of the OSI model. It is a device, which connects two different dissimilar n/w which have same function of communication. Situation where gateways are necessary ... case of different frame sizes, data rates, format, acknowledgement schemes, and priority schemes tec.
Description : Enlist the components of computer network. Describe any one in brief.
Last Answer : The components of computer network are: Hub Router Modem Bridge Switches Network Interface Card Cables and connectors Crimping tool LAN tester Explanation ... into analog format so that it can be transferred by using currently available infrastructure.
Description : Discuss any four network features.
Last Answer : 1) File sharing: File sharing is the primary feature of network. Due to use of networks, the sharing of files becomes easier. File sharing requires a shared directory or disk drive to which ... has internet services such as FTP servers or Usenet servers. 7) Network security: Internal & External