Description : DNS can obtain the of host if its domain name is known and vice versa. A) Station address B) IP address C) Port address D) Checksum
Last Answer : B) IP address
Description : DNS can obtain the ................. of host if its domain name is known and vice versa. A) Station address B) IP address C) Port address D) Checksum
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 : 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 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 : 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 : 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 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 : Which of the following OSI layers correspond to TCP/IP's application layer? A) Application B) IP Address C) Session D) All of the above
Last Answer : D) All of the above
Description : List different classes of IP Address.
Last Answer : Different classes of IP address. Class A Class B Class C Class D Class E
Description : Which of the following applications allows a user to access and change remote files without actual transfer? A) DNS B) FTP C) NFS D) Telnet
Last Answer : C) NFS
Description : A browser uses the DNS system to convert a domain name into an ip address. But once it has the the ip address how does it know where the server is located and reach the server to download the site?
Last Answer : The point of an ip address is that each one is unique. It’s not unlike an address on an envelope. How does the mail know where to go? There is only one possibility.
Description : 8. Nslookup can be used to gather information regarding which of the following? A. Host names and IP addresses B. Whois information C. DNS server locations D. Name server types and operating systems
Last Answer : A. Host names and IP addresses
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 : 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
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 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 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 : Which of the following of the TCP/IP protocolsis the used for transferring filesfrom one machine to another? A) FTP C) SNMP B) SMTP D) Rpe
Last Answer : A) FTP
Description : The data unit in the TCP/IP layer called a ..... A) Message B) Segment C) Datagram D) Frame
Last Answer : D) Frame
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 : 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
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 : 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 : 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 : 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 / are the types of firewall? A) Packet Filtering Firewall B) Dual Homed Gateway Firewall C) Screen Host Firewall 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 : Which of the following are known as the short circuit parameters of a 2- port network? (A) Z- parameters. (B) H- parameters. (C) Y- parameters. (D) A,B,C,D, parameters.
Last Answer : Which of the following are known as the short circuit parameters of a 2- port network? (A) Z- parameters. (B) H- parameters. (C) Y- parameters. (D) A,B,C,D, parameters.
Description : To deliver a message to the correct application program running on a host, the _______ address must be consulted. A. IP B. MAC C. Port D. None of the mentioned
Last Answer : C. Port
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 : 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 : Which one of the following fields of an IP header is NOT modified by a typical IP router? a. Checksum b. Source address c. Time to Live (TTL) d. Length
Last Answer : b. Source address
Description : A Two-Port Network is said to be symmetrical when the following equalities hold good (A) Z11 = Z22 and Z12 = Z21 (B) Z11 = Z22 (C) Y12 = Y21 (D) Y11 = Y22 and Y12 = Y21
Last Answer : A Two-Port Network is said to be symmetrical when the following equalities hold good Z11 = Z22
Description : The address resolution protocol (ARP) is used for a. Finding the IP address from the DNS b. Finding the IP address of the default gateway c. Finding the IP address that corresponds to a MAC address d. Finding the MAC address that corresponds to an IP address
Last Answer : Finding the MAC address that corresponds to an IP address
Description : …………………………………. converts a physical network address into an IP address. A. ARP B. RARP C. DNS D. DHCP
Last Answer : B. RARP
Description : Which DNS client maps an address to a name or a name to an address especially when required by a host? a. Resolver b. Mapper c. Primary Server d. Secondary Server
Last Answer : a. Resolver
Description : Which DNS client maps an address to a name or a name to an address especially when required by a host? A. Resolver B. Mapper C. Primary Server D. Secondary Server
Last Answer : A. Resolver
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 : 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 : 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 : Which of the following use routes with packet filtering rules to allow or deny access based on source address, destination address, or port number? 1) Application layer Firewall 2) Packet Filtering Firewall 3) Router enhanced firewall 4) IP enabled firewall
Last Answer : 2) Packet Filtering Firewall
Description : Which of the following use routes with packet filtering rules to allow or deny access based on source address, destination address, or port number? 1 Application layer Firewall 2 Packet Filtering Firewall 3 Router enhanced firewall 4 IP enabled firewall
Last Answer : 2 Packet Filtering Firewall
Description : In the early stages of development of the internet protocol, network administrators interpreted an IP address in ____parts: a) Network Number Portion b) Host Number Portions c) Both of Above d) None of These
Last Answer : c) Both of Above
Description : An IP address serves which among the following principal functions: a) Host or network interface identification b) Location Addressing c) Both of Above d) None of These
Description : The combination of an IP address and a port number is known as ................... (A) network number (B) socket address (C) subnet mask number (D) MAC address
Last Answer : (B) socket address