Description : Which of the following devices is specially designed to forward packets to specific ports based on the packet's address? 1) Specialty hub 2) Switching hub 3) Port hub 4) Filtering hub
Last Answer : 2) Switching hub
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 : _________ are specially designed computer chips that reside inside o ther devices, such as your car or your electronic thermostat a) Servers b) Embedded computers c) Robotic computers d) Mainframes e) None of these
Last Answer : b) Embedded computers
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 : Filtering of packets by firewall based on a router has facilities to a. i, iii b. i, ii, iii c. i, ii, iii, iv d. ii, iii, iv
Last Answer : b. i, ii, iii
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 : 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 ... and v only C) ii, iii, iv and v only D) All i, ii, iii, iv and v
Description : A ________ switch is a multistageswitch with microswitches at each stagethat route the packets based on theoutput port representedas a binary string. A) crossbar B) TSI C) banyan D) none of the above
Last Answer : banyan
Description : A ______ has a tableused in filtering decisions. A) passive hub B) repeater C) bridge D) none of the above
Last Answer : bridge
Description : _______ is a form of denial of service attack in which a hostile client repeatedly sends SYN packets to every port on the server using fake IP addresses. a) Cybergaming crime b) Memory shaving c) Syn flooding d) Software piracy e) None of these
Last Answer : a) Cybergaming crime
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 : The packets switching concept was first proposed A. in the late1980s for the Defense Ministry of US. B. in the early 1960s for military communication systems, mainly to handle speech C. in the late 1950s for Defense Ministry of US D. All of theabove E. None of the above
Last Answer : in the early 1960s for military communication systems, mainly to handle speech
Description : Which of the following statements is correct for the use of packet switching? A. the subdivision of information into individuallyaddressed packets in conjunction with alternativerouting arrangementenabled the transmission path ... capacity could be achieved. D. All of theabove E. None of the above
Last Answer : All of theabove
Description : _____ is used for transmission of packets in the cellular switched architecture. a) Packet switching techniques b) Circuit switching techniques c) Packet and circuit switched technique d) Datagram technique
Last Answer : a) Packet switching techniques
Description : Which transmission technique guarantees that data packets will be received by the receiver in the same order in which they were sent by the sender? (A) Broadcasting (B) Unicasting (C) Packet Switching (D) Circuit Switching
Last Answer : (D) Circuit Switching
Description : In a packet switching network, if the message size is 48 bytes and each packet contains a header of 3 bytes. If 24 packets are required to transmit the message, the packet size is ................ (1) 2 bytes (2) 1 byte (3) 4 bytes (4) 5 bytes
Last Answer : (4) 5 bytes
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 devices discriminates between multicast and unicast packets? 1) Multicast switch 2) Bicast switch 3) Bicast router 4) Mulicast Router
Last Answer : 4) Mulicast Router
Description : Which of the following devices discriminates between multicast and unicast packets? 1 Multicast switch 2 Bicast switch 3 Bicast router 4 Mulicast Router
Last Answer : 4 Mulicast Router
Description : The taskof moving the packet from theinput queue to the output queuein a router is done by_________. A) input and output ports B) routing processor C) switching fabrics D) none of the above
Last Answer : switching fabrics
Description : The transfer of data from a CPU to peripheral devices of computer is achieved through ________ A. Modem B. Interface C. Buffer D. I/O Ports
Last Answer : D. I/O Ports
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 : If all devices are connected to a central hub, then topology is called
Last Answer : C) Star Topology
Description : Are there pillows specially designed to fit between your legs?
Last Answer : There are pillows specially designed to fit between your legs. The Leg Wedge Pillow is made of memory foam and is designed to relieve back and leg discomfort. Spinal pillows are designed to align ... . All of these pillows are generally used during pregnancy and designed to fit between your legs.
Description : Post offices which function from a specially designed van moving to different fixed point is a) Mobile post office b) Van post office c) Mobile branch post office d) Det post office
Last Answer : a) Mobile post office
Description : If instead of soil, flowing water is used in a specially designed greenhouse farms to grow plants, then this type of farming is known as? a. Hydroculture b. Pisciponics c. Hydroponics d. Aquaponics
Last Answer : c. Hydroponics
Description : gas is the mixture mainly consisting of carbon monoxide and hydrogen in specially designed apparatus. a) CNG b) LPG c) Biomass d) None of the above
Last Answer : Biomass
Description : What type of prime mover requires a specially designed high-speed alternator?
Last Answer : Steam turbine.
Description : Solenoid is a specially designed ________ A. Actuator B. Machine C. Electromagnet D. none of above
Last Answer : C. Electromagnet
Description : Which among the below stated datagram discard code fields in ICMP is/are generated if a router fails to forward a packet due to administrative filtering? a. Source Route Failed b. Communication Administratively Prohibited c. Host Precedence Violation d. Precedence Cut-off in Effect
Last Answer : b. Communication Administratively Prohibited
Description : Microprocessors as switching devices are for which generation computers A) First Generation B) Second Generation C) Third Generation D) Fourth Generation
Last Answer : Answer : D
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 : What is a port ? What advantage does the Mumbai port have over the other ports of India in international trade? -Geography
Last Answer : A port is that place on the coast or shore, with docks, wharves and berthing facilities, where cargo in large quantities is received from oceanic routes and sent to the interior of the country ... India, in international trade is that it is closest to the Gulf countries, East Africa and Europe.
Description : Which one of the following ports is the deepest land-locked and well protected port along the east coast ? -SST 10th
Last Answer : D - Visakhapatnam is the only major port in Andhra Pradesh and India's second largest by volume of cargo handled.
Description : Which one of the following statements is correct? [NDA 2003] (a) India ranks 9th in the world's shipping tonnage (b) Mumbai port handles half of the country's foreign trade (c) Kandla and Kolkata are tidal ports (d) India has 14 major ports and 129 minor ports
Last Answer : Ans: (b)
Description : Kolkata port is an example of which type of ports
Last Answer : Riverine
Description : Which of the ports is not a natural port
Last Answer : Chennai
Description : To ensure patency of central venous line ports, dilute heparin flushes are used in which of the following situations? a) Daily when not in use Daily instillation of dilute heparin flush when a port ... the line is discontinued Heparin flush of ports is not necessary if a line is to be discontinued.
Last Answer : a) Daily when not in use Daily instillation of dilute heparin flush when a port is not in use will maintain the port.
Description : 8096 has ___ general purpose I/O ports, Port 2 includes ______ of the following i) two quasi-bidirectional I/O lines ii) two output lines iii) four input lines iv) open drain outputs a) 4, i, iv b) 6, ii, iii c) 4, i,ii,iii d) 6, i, ii, iv
Last Answer : c) 4, i,ii,iii
Description : Can one USB hub be connected into a port on ANOTHER USB hub without ptoblem?
Last Answer : Shouldn’t be a problem, but it would probably work better if both hubs were powered.
Description : What is the purpose of the power cable that comes with Targus 4-port USB 2.0 hub?
Last Answer : Some devices are low power, and some are high power and will need the power provided by that AC cable. If everything works, it’s likely that all your devices are low power. If down the road you plug a device in and it doesn’t seem to work, try using that power cable.
Description : How do you instal the Tritton 4-USB Port Network Hub & Switch?
Last Answer : Simply plug into your network and share 4 USB ports.
Description : Does it cost anything to recycle a 24 port ethernet hub?
Last Answer : There are no charge to recylce a 24 port ethernet hub.
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 : Which of the following test will often be found use full when t he Superintendent should frequently apply tests to the delivery work of the postmen a) Letters bearing fictitious address should be posted and ... show whether the letters are duly delivered or not. c) Both the above d) None of these
Last Answer : c) Both the above
Description : ________carries fans and a special port designed for power supply. a) UPS b) Mother Board c) Monitor d) None of These
Last Answer : b) Mother Board
Description : Which address is used to identify a process on a host by the transport layer? a) physical address b) logical address c) port address d) specific address
Last Answer : c) port address
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 ... only C) ii, iii, iv and v only D) All i, ii, iii, iv and v