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 : 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 : In.................. Mode, the authentication header is inserted immediately after the IP header. A) Tunnel B) Transport C) Authentication D) Both A and B
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 : 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 : 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 : 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 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........................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 : 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 : 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 : The............ layer of OSI model can use the trailer of the frame for error detection. A) Physical B) Data link C) Transport D) Presentation
Last Answer : A) Physical
Description : TCP/IP ..................layer corresponds to the OSI models to three layers. A) Application B) Presentation C) Session D) Transport
Last Answer : A) UDP
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 : Which is the main function of transport layer?
Last Answer : B) End to end delivery
Description : Explain the services provided by transport layer in TCP/IP model.
Last Answer : Responsibility of process to process delivery of message Ensure that whole message arrives in order. 1. Service point addressing: -several programs run at a time on computer. Delivery is ... transport layer without error(damage or loss or duplication). Error correction is done by retransmission.
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 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 : In ………………. Mode, the authentication header is inserted immediately after the IP header. A) Tunnel B) Transport C) Authentication D) Both A and B
Last Answer : D) Both A and B
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 : 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 : 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 : 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................is used to provide integrity check, authentication and encryption to IPdatagram. A) SSL B) ESP C) TSL D) PSL
Last Answer : B) ESP
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 : 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 : ................is to protect data and passwords. A) Encryption B) Authentication C) Authorization D) Non-repudiation
Last Answer : A) Encryption
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
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 : Which of the following is not a mechanism that DHCP supports for IP address allocation? A) Automatic allocation B) Static allocation C) Dynamic allocation D) Manual allocation
Last Answer : B) Static allocation
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 : 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 : ............ 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 : 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 : 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 : is a collective term for a number of Ethernet Standards that carry traffic at the nominal rate of 1000 Mbits/s against the original Ethernet speed of 10 Mbit/s. A) Ethernet B) Fast Ethernet C) Gigabit Ethernet D) All of the above
Last Answer : B) Fast Ethernet
Description : Which of the following are Gigabit Ethernets? A) 1000 BASE-SX B) 1000 BASE-LX C) 1000 BASE-CX D) All of the above
Description : IEEE 802.3ab defines Gigabit Ethernet transmission over unshielded twisted pair (UTP) category 5, 5e or 6 cabling known as .................... A) 1000 BASE-T B) 1000 BASE-SX C) 1000 BASE-LX D) 1000 BASE-CX
Last Answer : A) 1000 BASE-T
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 : 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)