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 : The most important and common protocols associated TCP/IP internetwork layer are. i) Internet Protocol (IP) ii) Internet Control Message Protocol (ICMP) iii) Bootstrap Protocol (BOOTP) iv) Dynamic Host Configuration Protocol (DHCP) V) ... C) i, iii, iv and v only D) All i, ii, iii, iv and v only
Last Answer : D) All i, ii, iii, iv and v only
Description : The standard suit of protocols used by the Internet, Intranets, extranets andsome other networks. A) TCP/IP B) Protocol C) Open system D) Internet work processor
Last Answer : A) TCP/IP
Description : Give the name of protocols used by different layers of TCP/IP. Discuss the function of ARP and RARP.
Last Answer : TCP/IP Model contains following layer. 1) Host-to-Network Layer - It defines characteristics of transmission media. It also concern with delivery of data when two systems are attached to same network ... such broadcasts are not forwarded by routers, so a RARP server is needed on each network.
Description : Define Protocol and Encapsulation.
Last Answer : i. Protocol: Protocol is defines as the set of rules and regulations to communicate between layers in networking. OR It is set of rules and conventions sender and receiver in data communication ... of encapsulation. OR Encapsulation is the process of adding the headers and footers to the data.
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 : 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 TCP/IP protocols is used for transferring files form one machine to another. A) FTP B) SNMP C) SMTP D) RPC
Last Answer : A) FTP
Description : Explain following protocols: I. PPP II. SLIP
Last Answer : (i)PPP:-PPP means point to point protocol. It is a much more developed protocol than SLIP(which is why it is replacing it).It transfers additional data, better suited to data transmission over the ... character(the END character, the ASCII code of which is 192).A SLIP frame looks like:
Description : Explain connectionless and connection oriented protocol. Give the example for each type.
Last Answer : Connection less protocol: These protocols do not establish a connection between devices. It is manually achieved by transmitting information in one direction, from source to destination without checking to ... SMTP establish a TCP connection between Sender And port number 25 of receiver
Description : On the upper layer of SSL, a protocol for initial authentication and transfer of encryption keys, called the ………………… A) SSL handshake protocol B) SSL authentication protocol
Last Answer : A) SSL handshake protocol
Description : At the lower layer of SSL, a protocol for transferring data using a variety of predefined cipher and authentication combinations called the ………………. A) SSL handshake protocol B) SSL authentication protocol C) SSL record protocol D) SSL cipher protocol
Last Answer : C) SSL record protocol
Description : The primary goal of the......................protocol is to provide a private channel between communicating application, which ensures privacy of data authentication of the partners, and integrity. A) SSL B) ESP C) TSL D) PSL
Last Answer : A) SSL
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 : ........... 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 : State whether true or false. i) A connection oriented protocol can only use unicast addresses. ii) The any cast service is included in IPV6. A) True, False B) True, True C) False, True D) False, False
Last Answer : B) True, True
Description : Which of the following is not the layer of TCP/IP protocol? A) Application Layer B) Session Layer C) Transport Layer D) Internetwork layer
Last Answer : B) Session Layer
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 : The name of the protocol which provides virtual terminal in TCP/IP model is. A) Telnet B) SMTP C) HTTP
Last Answer : A) Telnet
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 : Define LAN. Write any two disadvantages of LAN.
Last Answer : Definition of LAN: LAN is a network which is designed to operate over a small physical area such as an office, factory or a group of buildings. Disadvantages: 1. Power - a good LAN is required ... - if all computers running at once, can reduce speed for each. 6. Area covered is limited.
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 : Define Wi-Max.
Last Answer : Define: Wi- Max is worldwide interoperability for Microwave Access. It is a wireless communication standard which can provide data rates up to 1 Gbps.
Description : Give two features of IPv6.
Last Answer : Two features of IPv6 are: An IPv6 address consists of 16 bytes (octets) It is 128 bits long. IPv6 specifies hexadecimal colon notation. Therefore, the address consists of 32 hexadecimal ... multicast. In an IPv6 address, the variable type prefix field defines the address type or purpose.
Description : Give any two disadvantages of unshielded twisted pair cable.
Last Answer : Disadvantages of unshielded twisted pair cable. 1. Highly prone to crosstalk. 2. Unable to provide secured transmission of data.
Description : Give any four selection criteria for selecting network topology.
Last Answer : Selection criteria for selecting network topology. 1. Size of the network & number of devices or nodes being connected. 2. Ease of configuration & installing. 3. The ease of adding new device in an ... hubs etc. 7. Costs involved. 8. Need of security. 9. Need of network administration.
Description : Define: (i) Apparent power (ii) Real power
Last Answer : (i) Apparent power It is the product of rms values of applied voltage and circuit current. Unit: volt-ampere (VA) OR kilo-volt-ampere (kVA) OR Mega-volt-ampere (MVA) S = VI = I2 Z volt ... circuit. (OR) It is the power which is actually dissipated in the circuit resistance.
Description : s the predominant form of Fast Ethernet, and runs over two pairs of category 5 or above cable. A) 100 BASE-T B) 100 BASE-TX C) 100 BASE-T4 D) 100 BASE-T2
Last Answer : B) 100 BASE-TX
Description : Which of the communication modes support two way traffic but in only once direction of a time? A) Simplex B) Half-duplex C) Three - quarter's duplex D) Full duplex
Last Answer : B) Half-duplex
Description : It is desired to connect five computers that are joined at a single point called central node. i) Draw the setup. ii) Name the topology. iii) State two advantages and disadvantages of this topology.
Last Answer : i. Setup: ii. Name of topology: Star topology iii. Advantages of Star Topology 1) As compared to Bus topology it gives far much better performance, signals don't necessarily get ... as well number of nodes which can be added in such topology is depended on capacity of central device.
Description : State two advantages of Mesh topology.
Last Answer : Network Topology refers to layout of a network. Network topology specifically refers to the physical layout of the network especially the locations of the computers & how the cable is run ... to Point Connection: Point-to-point links make fault identification and fault isolation easy.
Description : Explain infrared communication. List any two disadvantages of infrared communication.
Last Answer : Infrared communication (IR) is an example of wireless communication. However, it is limited to very simple applications & suffers from several disadvantages, mainly very small bandwidth & distances ... areas require multiple emitter panels, which will increase the cost of the system.
Description : List any two disadvantages of bus topology.
Last Answer : Disadvantages of bus topology. 1. Heavy network traffic slows down the bus speed .In bus topology only one computer can transmit & other have to wait till their turn comes & there ... connectors will cause reflections & bring down the whole network causing all network activity to stop.
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 : ..................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 : In packet-filtering router, the following information can be external from the packet header. i) Source IP address ii) Destination IP address iii) TCP/UDP source port iv) ICMP message type v) TCP/UDP destination port A) i, ii, ... iv and v only C) ii, iii, iv and v only D) All i, ii, iii, iv and v
Last Answer : D) All i, ii, iii, iv and v
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 : 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 : In........................mode, a common technique in packet-switched networks consists of wrapping a packet in a new one. A) Tunneling B) Encapsulation C) Both A and B D) None of the above
Last Answer : C) Both A and B
Description : The................is used to provide integrity check, authentication and encryption to IPdatagram. A) SSL B) ESP C) TSL D) PSL
Last Answer : B) ESP
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 : In.................. Mode, the authentication header is inserted immediately after the IP header. A) Tunnel B) Transport C) Authentication D) Both A and B
Description : The components of IP security includes …………………. A) Authentication Header (AH) B) Encapsulating Security Payload (ESP) C) Internet key Exchange (IKE) D) All of the above
Last Answer : D) All of the above
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
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 : ................is to protect data and passwords. A) Encryption B) Authentication C) Authorization D) Non-repudiation
Last Answer : A) Encryption
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 : A WAN typically spans a set of countries that have data ratesless than................ Mbps. A) 2 B) 1 C) 4 D) 100
Last Answer : B) 1
Description : A simple cabling method, known as the..................topology allows about 30 computers on a maximum cable length of about 600 feet. A) Ring B) Bus C) Star D) Mesh
Last Answer : Bus