Description : Which is the protocol that maps varying IP addresses to the Physical MAC Address of a machine in a LAN network? a. ARQ (Automatic Repeat Request) b. ARP (Address Resolution Protocol) c. SLIP (Serial Line Internet Protocol) d. PLIP (Parallel Line Internet Protocol)
Last Answer : b. ARP (Address Resolution Protocol)
Description : Which is the protocol that maps varying IP addresses to the Physical MAC Address of a machine in a LAN network? A. ARQ Automatic Repeat Request B. ARP Address Resolution Protocol C. SLIP Serial Line Internet Protocol D. PLIP Parallel Line Internet Protocol
Last Answer : B. ARP Address Resolution Protocol
Description : MAC address helps in (A) multimedia access control. (B) media access control. (C) mobile access control. (D) master access point control
Last Answer : (B) media access control.
Description : Explain topology method used in LAN technology in detail.
Last Answer : LAN Topologies: Network topology is a physical schematic which shows interconnection of the many users. There are four basic topologies as under: (i) Direct Connection or one to all topology ( ... temporarily, inserting the new node and then reestablishing the complete ring path.
Description : The function of ARQ in a network protocol is to: (A) Auto request (B) Acknowledge (C) Address request (D) Abort
Last Answer : (A) Auto request
Description : Which transmission mode is used for data communication along telephone lines? (A) Parallel (B) Serial (C) Synchronous (D) Asynchronous
Last Answer : (B) Serial
Description : The situation when both transmitter and receiver have to work in tandem is referred to as (A) parallel (B) serial (C) synchronous (D) asynchronous
Last Answer : (C) synchronous
Description : Which among the following is correct: a) An IP address can be private - for use on Local Area Network (LAN). b) It can be use on the internet or other wide area network (WAN). c) IP addresses ... dynamically (assigned by another device on the network on demand). d) All of the Above e) None of These
Last Answer : d) All of the Above
Description : For two stage network the switching elements for M inlets with r blocks and N outlets with s blocks is given by (A) Ms + Nr (B) Mr + Ns (C) (M + N) (r + s) (D) (M + N)rs
Last Answer : (A) Ms + Nr
Description : What do you mean by numbering and addressing? Draw the ISDN address structure and explain how the addressing works?
Last Answer : Numbering and Addressing: In telephone and data networks, the end equipments are more often single units than multiple devices units like PABX or LAN. Historically, a telephone, a computer, or a ... as reference point may also be addressed by using direct inward dialing (DID) feature.
Description : MAC is the abbreviation for: (A) Multimedia access control (B) Media access control (C) Mobile access control (D) Master access point control
Last Answer : (B) Media access control
Description : Trunks are the lines that run between (A) Subscribers and exchange (B) Switching system and power plant (C) Local area network (D) Switching stations
Last Answer : (D) Switching stations
Description : Trunks are the lines that run between (A) subscribers and exchange (B) switching system and power plant (C) Local Area Network (D) switching systems
Last Answer : (B) switching system and power plant
Description : Trunks are the lines that run between (A) Subscribers and exchange (B) switching system and power plant (C) Local area network. (D) Switching stations.
Last Answer : (D) Switching stations.
Description : In a time multiplexed space switching system, one speech sample appears every (A) 125 micro sec (B) 20 msec (C) 125 msec (D) 1 sec
Last Answer : (A) 125 micro sec
Description : Find the total number of link L having five entities? Explain differences between folded and non-folded network.
Last Answer : Folded network: When all the inlets/outlets are connected to the subscriber lines, the logical connection appears as shown in Fig. In this case, the output lines are folded back to the input ... non-folded network to be non-blocking, the network should support N simultaneous switching paths.
Description : A two stage non-blocking network requires twice the number of switching elements as the single stage non-blocking network. (A) TRUE (B) FALSE
Last Answer : Ans: (A)
Description : The number of point to point links required in a fully connected network for 50 entities is (A) 1250 (B) 1225 (C) 2500 (D) 50
Last Answer : Ans: (C)
Description : Discuss different Routing plan adopted in a Telephone network.
Last Answer : Hierarchical networks are capable of handing heavy traffic where required, and at the same time use minimal number of trunk groups. Three methods are used for deciding on the route for a ... selection methods can be implemented. Computer based routing is a standard feature in data networks.
Description : What are the major systems of a telecommunication network? Discuss in detail the subscriber loop systems.
Last Answer : The major systems of any telecommunication network may consist of the following major systems: 1. Subscriber end instruments or equipments 2. Subscriber loop systems 3. Switching ... exchange. The subscriber cable pairs emanating from the exchange are also terminated on the MDF.
Description : The Signalling connection control part (SCCP) and message transfer part (MTP) together are referred to as (A) Signal Switching Points (SSPs) (B) Signal Transfer Points (STPs) (C) Signal Control Points (SCPs) (D) Network service part (NSP)
Last Answer : (D) Network service part (NSP)
Description : An important terminal that is required between DTE and PSTN is (A) Server (B) MODEM (C) Relay (D) Network card
Last Answer : (B) MODEM
Description : A distributed network configuration in which all data/information pass through a central computer is (A) Bus network (B) Star network (C) Ring network (D) Point to point network
Last Answer : (B) Star network
Description : Signalling transfer point (STP) exist in (A) Strowger exchange (B) SS7 (C) Local area network (D) PABX
Last Answer : (B) SS7
Description : In a single stage network: (A) There is no redundancy (B) There is redundancy (C) Alternative cross points are available (D) Alternative paths are available
Last Answer : (B) There is redundancy
Description : In step by step switching line finders are connected to the (A) Calling subscriber. (B) Switching network. (C) Called subscriber. (D) Between exchanges.
Last Answer : (A) Calling subscriber.
Description : Network Layer is used for (A) Breaking up the data in frames for transmission (B) Deal with Error correction (C) Automatic Recovery of Procedure (D) Physical Architecture
Last Answer : (D) Physical Architecture
Description : Network with point-to-point link is known as (A) Fully Connected Network (B) Half Connected Network (C) Duplex Connected Network (D) None of these
Last Answer : (A) Fully Connected Network
Description : The final selector is connected to the (A) calling subscriber. (B) switching network. (C) called subscriber. (D) line finder.
Last Answer : (C) called subscriber
Description : A/An ______network is typically a company network that connects multiple company locations into a single network. (A) local area (B) enterprise (C) campus wide (D) protocol.
Last Answer : (B) enterprise
Description : The ________is a circuit-switched network, while the ______is a packet-switched network. (A) Telephone, ATM (B) SONET and FDDI (C) Satellite, Telephone (D) FDDI and SONET
Last Answer : (A) Telephone, ATM
Description : Which of the following statement is incorrect? A. The Addresses Resolution Protocol, ARP, allows a host to find the physicaladdress ofa target host on the samephysical network, given only the target IP address. ... -addresses of our choice to every machine. D. All of theabove E. None of the above
Last Answer : All of theabove
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
Description : How do I kick an IP/MAC address from a network with backtrack 4.
Last Answer : answer:Can't really answer this question without more information about your network, but basically you need to set netfilter to drop all packets going to / coming from the unauthorized host on the gateway ... offer the option to block by MAC addresses. Or you could just ping-flood them, I guess
Description : A 4 byte IP address consists of __________ a. only network address b. only host address c. network address & host address d. network address & MAC address
Last Answer : c. network address & host address
Description : One 4 byte IP address is subdivided into __________ A. only network address B. only host address C. network address & host address D. network address & MAC address
Last Answer : C. network address & host address
Description : The larger the Grade Of Service, the worse is the service given (A) TRUE (B) FALSE
Description : Traffic Handling Capacity is given by (A) Switching capacity ×Theoretical maximum load (B) Switching capacity / Theoretical maximum load (C) Theoretical maximum load / Switching capacity (D) Theoretical maximum load + Switching capacity
Last Answer : (B) Switching capacity / Theoretical maximum load
Description : Traffic Capacity is given by (A) Switching capacity × Theoretical maximum load (B) Switching capacity / Theoretical maximum load (C) Theoretical maximum load / switching capacity (D) Theoretical maximum load × Switching capacity
Last Answer : (A) Switching capacity × Theoretical maximum load
Description : The user session can be identified by the __________. a. Authenticate users b. IP Address c. User Agent d. All of the above
Last Answer : d. All of the above
Description : Computers on an internet are identified by (A) e-mail address (B) street address (C) IP address (D) None of the above
Last Answer : (C) IP address
Description : Discuss briefly subscriber loop system. Give some technical specification for subscriber lines.
Last Answer : Subscriber Loop System: Every subscriber in a telephone network is connected generally to the nearest switching office by means of a dedicated pair of wires. Subscriber loop refers to this pair of wires. It is un ... 1. Diameter of wire 2. D.C. resistance per Km 3. Attenuation per Km
Description : Explain simple telephone communication system with circuit and equation of current flow in microphone?
Last Answer : Simple Telephone Communication: In the simplest form of a telephone circuit, there is one way communication involving two entities, one receiving (listening) and the other transmitting (talking). ... carrier wave in AM system. The quantity m is equivalent to the modulation index in AM.
Description : Show how finite state machine model helps in designing a switching system and give a typical example.
Last Answer : Switching system basically belongs to the class of finite state machines (FSM) which are asynchronous in nature and follows a sequential logic for their operation. They can be modeled by ... circuits and memory elements. Clocked synchronous operation shown in Fig. overcome such problems.
Description : Compare electromechanical switching system with electronic switching system.
Last Answer : Ans:
Description : With neat diagrams explain the configuration of a step-by-step switching system.
Last Answer : The schematic diagram for such an exchange is given in Fig. Each subscriber is connected to a single rotary pre-selector switch at the exchange, the outputs from this switch being ... two further digits, connection is established, providing the called subscriber's to answer his telephone.
Description : In a time division space switch the size of the control memory is N and its Width: (A)Log10M (B) LogeM (C) LogNM (D) Log2M Where N are the outlets and M the number of data samples
Last Answer : Ans: (It should be 2 log2[N]
Description : The grade of service is measured in (A) Percentage (B) Number (C) Fractional Number (D) Logarithmic Number
Last Answer : (C) Fractional Number
Description : What is the address given to a computer connected to a network called? 1) System Address 2) SYSID 3) Process ID 4) IP Address
Last Answer : 4) IP Address