CISCO MCQ Questions Answers

1. Choose the Ethernet connector:

2. In which CLI mode does an administrator have to be in for configuring devices?

3. A L3 switch is ___

4. At which OSI layer does a hub operate at?

5. type of authentication Eigrp support.

6. Splitting a network into other smaller and smaller networks is called?

7. A switch is a ___ device.

8. A network admin wants to know every hop the packets take when he accesses cisco.com. Which command is the most appropriate to use?

9. A PC to PC connection uses ___ cable.

10. Which protocol should be used to establish a secure terminal connection to a remote network?

11. Which layer defines the physical topology?

12. How many maximum VLAN's can be created?

13. When you log into a switch, which prompt indicates that you are in privileged mode?

14. ADSL uses ____ .

15. How many bits have IPv4 address?

16. Router-on-a-stick requires what kind of port be set up on the switch port attached to the router?

17. Which statement describes EIGRP?

18. Which of the following methods is for compatibility of IPV4 and IPV6?

19. The CSMA/CD Ethernet IEEE is:

20. Which term defines a collection of networks under the administrative control of a single entity that presents a common routing policy to the Internet?

21. Which routing protocol is needed in a network which focuses on bandwidth and uses Cisco and Non-Cisco devices?

22. What is the first CLI mode you get in when startup the Router/Switch?

23. Which is the default register in the router?

24. A receiving host computes the checksum on a frame and determines that the frame is damaged. The frame is then discarded. At which OSI layer did this happen?

25. Which of the following is NOT a Cisco proprietary protocol?

26. Which of these protocols is NOT 'distance-vector' IGP ?

27. The administrative distance of (internal) EIGRP is:

28. Which command will create a subinterface on serial 0 (zero)?

29. what is the protocol number of ospf

30. Which command reveals the last method used to powercycle a router?

31. On a router running EIGRP, what database would maintain a list of feasible successors?

32. Which protocols are class full ?

33. Which of the following is a valid host IP in this network: 172.27.0.0/23

34. Choose the correct syntax to configure an IPX subinterface on a router:

35. When does a loopback interface becomes up/up on a layer3 switch?

36. Select the highest VRRP priority.

37. What administrative distance would a router assign to a default route in EIGRP that is learned from a source external to the autonomous system?

38. Which of the following is the valid host range for the subnet on which the IP address 192.168.168.188 255.255.255.192 resides?

39. Which of the following settings could prevent two potential EIGRP neighbors from becoming neighbors?

40. Routers R1 and R2, currently EIGRP neighbors over their Fa0/0 interfaces (respectively), both use EIGRP authentication. Tuesday at 8 p.m. the neighborship fails. Which of the following would NOT be useful when investigating whether authentication had anything to do with the failure?

41. What Protocol Does PPP use to identify the Network layer protocol?

42. A static route that points to the next hop IP will have what administrative distance and metric in the routing table?

43. What type of port configuration should you use for PVLAN interfaces that connect to a router?

44. What PPP protocol provides for dynamic addressing, authentication, and multilink?

45. What does the IEEE 802.2 standard represent in Ethernet technologies?

46. A vlan interface is up/down on a catalyst layer 3 switch. How can you fix this issue?

47. How many bits of a MAC address are used by OUI portion?

48. What is the default value of flush timers in IGRP?

49. Which statement is true about RID (Router ID) in OSPF?

50. Which command will you execute to see whether the cable attached with your router's Serial 0 is DCE or DTE?

51. Which command is used to view the list of all active connections made to the console and VTY ports of your router?

52. What is the hop count limit for OSPF?

53. Which command is used to view IP routing table?

54. What will happen if you declare an interface as passive interface in IGRP routing protocol?

55. If you set bandwidth of 64 kbps on an interface, what will be it's cost in OSPF?

56. What is the full form of ISDN?

57. Which command is used to configure the configuration-register of a router?

58. At which layer of OSI model does a hub work?

59. How many Broadcast Domains are there if two switches are connected to each other using a trunk link?

60. Which of the following Protocols work on Application Layer of OSI model?

61. What is the maximum number of subnets (usable) that you can create in a class B network?

62. Which command will apply access-list 150 on interface e0 in outbound direction?

63. Which command will you execute to use 16 subnets of a class C network with subnet mask of 255.255.255.240?

64. What is the correct order of data encapsulation in OSI model?

65. What is the Administrative Distance (AD) of OSPF?

66. Which of the following switching methods forward the frame after reading the destination MAC address only?

67. If a router has been configured for static routing, IGRP, OSPF, EIGRP and RIP with their default values, which routing will the router use to send data?

68. In which of the following networks, are DR and BDR elected in OSPF?

69. Which of the following statements is true regarding VLAN 1?

70. Which of the following devices is used to connect a non ISDN device with an ISDN network?

71. Which of the following statements are true for inter VLAN communication?

72. What should be the value of configuration register in a router to boot IOS image stored in ROM?

73. Which of the following provides routing protocol support for IPX, Appletalk and IP networks simultaneously?

74. What is the maximum number of paths supported by IGRP for load balancing?

75. Which of the following subnet masks should you use on Router A and Router B serial links so that there is minimum wastage of IP addresses?

76. What is the command to delete the configuration stored in NVRAM?

77. What is the default number of commands that a router can show if you execute 'show history' command?

78. Which of the following cables is not prone to electrical interferences?

79. What is the subnetwork to which IP address 10.70.50.255/18 belongs?

80. Which of the following routing protocols support VLSM?

81. Which of the following devices can be connected using a Rollover cable?

82. Which of the following ranges are reserved as private addresses?

83. Which two factors are used by default for calculation of metric by EIGRP?

84. Which of the following routing protocols are not classless routing protocols?

85. Which of the following Protocols work on Application Layerr of OSI model?

86. Which two statements are true about CHAP authentication method?

87. Which of the following routing protocols are distance vector routing protocols?

88. Which command is used to encrypt all the passwords of a router?

89. Which subnet mask will you use to fulfill the requirements of all the departments if you are using a class C network?

90. Which of the following addresses is reserved for loopback tests?

91. Which is the command to view all available commands in the mode you are working in?

92. Which command is used to disable domain lookup?

93. Which of the following routing protocols are Cisco proprietary?

94. Which of the following commands will prevent telnet access from all users on subnet 172.16.16.0 with subnet mask 255.255.240.0 to any destination?

95. If UDP receives datagrams that are not in sequence, what will it do?

96. Which of the following commands will allow a single source address 172.16.0.5 to telnet a single destination address 192.168.10.2?

97. Which command will disable CDP on a router?

98. Which is the default mode of operation in a VTP domain for all catalyst switches?

99. Which command will you use to enable default routing on a router?

100. Which area must be present to connect two different areas in an OSPF network?