Data communication and Networking

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Multiple Choice Questions for Data communication and Networking

  • 1 Jitter refers to the variation in:
    1. Packet generation time
    2. Packet sending time
    3. Packet size
    4. Packet arrival time

  • 2 Two sub layers of OSI Data Link layer are which of the following?
    1. Logical Link Control, Data Link Control
    2. Media Access Control, Physical Layer Control
    3. Logical Link Control, Media Access Control
    4. Data Link Control, Physical Layer Control

  • 3 You find that one of the serial interfaces on your router is not forwarding traffic. You have given "show ip interfaces" command. In the response, you observed the following entries against that interface: Serial 0 is up, line protocol is down. What is the likely problem?
    1. There is a problem at physical layer
    2. There is a problem exchanging the routing information
    3. The link was administratively down
    4. There is a problem with the route both at physical and protocol layers

  • 4 You have an IP of 156.233.42.56 with a subnet mask of 7 bits. How many hosts and subnets are possible assuming that subnet 0 is not used?
    1. 126 subnets and 510 hosts
    2. 128 subnets and 512 hosts
    3. 510 subnets and 126 hosts
    4. 512 subnets and 128 hosts

  • 5 You are asked to evolve a TCP/IP addressing scheme for your Organization. How many network numbers (subnet number) must you allow when you design the network for your organization?
    1. One subnet for each Host
    2. One for each subnet, one for each WAN connection
    3. One for each network card
    4. One for each WAN connection only

  • 6 Uplink frequency for GSM (Europe) is
    1. 890-915 MHz
    2. 825-850 MHz
    3. 880-905 MHz
    4. 824-849 MHz

  • 7 Pico cell is deployed in
    1. Urban areas
    2. Rural areas
    3. Offices
    4. Stadiums

  • 8 Which of the following cell is used in shopping malls?
    1. Macro cell
    2. Micro cell
    3. Pico cell
    4. Mega cell

  • 9 Which of the following is not a service type in IEEE 802.16?
    1. nrtPS
    2. rtPS
    3. UGS
    4. DFPQ

  • 10 1xEV-DO support data rates in range of?
    1. >100 kbps
    2. > 200 kbps
    3. >22.4 Mbps
    4. > 2.4 Mbps

  • 11 EVDO stands for
    1. Enhanced Video Data Optimized
    2. Enhance Voice Data Optimized
    3. Existing Voice Data Optimized
    4. None of above

  • 12 Practical data rate in EDGE is?
    1. 547.2 kbps
    2. 370.833 kbps
    3. 384 kbps
    4. 384 kBps

  • 13 Which of following requires new routers and internet gateways
    1. GSM
    2. GPRS
    3. EDGE
    4. HSCSD

  • 14 Multiple access scheme for GSM is
    1. GMSK
    2. FDMA
    3. TDMA
    4. CDMA

  • 15 In IGRP bandwidth is calculated as
    1. (10,000,000/bandwidth)*256
    2. (10,000,000/bandwidth)*224
    3. (10,000,000/bandwidth)
    4. (bandwidth/256)

  • 16 Back up routes are maintained in
    1. Topology table
    2. Routing table
    3. Neighbor table
    4. Feasible successor

  • 17 PDM stands for
    1. Protocol Design Module
    2. Protocol Design Memory
    3. Protocol Dependent Module
    4. Protocol Decrease Module

  • 18 Which of the following is not the metric parameter that IGRP uses
    1. MTU
    2. Hop count
    3. Load
    4. Bandwidth

  • 19 In IGRP, path is chosen with
    1. largest metric value
    2. smallest metric value
    3. hop count
    4. distance

  • 20 SMB stands for
    1. SaMBa
    2. Server Message Block
    3. Server Mail Block
    4. Service Mobile Block

  • 21 Which of the following provides an environment in which users can access a remote resource?
    1. Remote Machine
    2. Kernel
    3. Network Operating System
    4. Shell

  • 22 The IP address 223.1.3.72 belongs to which class?
    1. Class A
    2. Class B
    3. Class C
    4. Class D

  • 23 Which of the following protocol has slow convergence
    1. IS-IS
    2. OLSR
    3. RIP
    4. OSPF

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