General CISCO MCQs

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?

101. What is the maximum number of valid IP addresses in a class B network?

102. You made some changes in your router's configuration and executed the following command: Router# copy run start When you restarted your router it went into the Setup mode. What is the problem?

103. Routing protocols use a method to advertise many networks as one network to other routers. What is that method called?

104. What is the speed of a T1 line?

105. What is the main purpose of creating VLANs?

106. What is the maximum speed supported by a standard ISDN BRI?

107. What will be the command for standard access control list to deny a single source address 10.15.12.2?

108. Which of the following devices can be connected using a straight cable?

109. What is the command to configure PPP encapsulation on serial 0?

110. On which layer of the OSI model do TCP & UDP work?

111. Refer to the diagram. Host A is not able to communicate with Host B. However, Router A can communicate with Host B. What could be the problem?

112. Which layer of OSI model encapsulates packets into frames?

113. Which of the following are examples of the Data Link Layerr?

114. What is the command to configure q933a as frame relay LMI type?

115. What is the full form of CSMA/CD?

116. Which of the following are frame relay LMI types?

117. If interface Ethernet 0 is showing that it is administratively down, what will you do to turn it on?

118. In which of the following modes does a switch not participate in VTP domain, but still forwards VTP advertisements by trunk links?

119. Different routing protocols use different methods to calculate the distance to a network. What is that method called?

120. What is the speed of ISDN PRI service with 30B +1D channel?

121. What is the binary value of hex 9F?

122. Which of the following switches support both ISL and 802.1Q encapsulation methods?

123. Which command will you use to view sending and receiving of RIP update packets that normally run in the background ?

124. What is the default value of bridge priority on Cisco switches?

125. Which of the following commands will you use to enable RIP version 2 on your router?

126. At which layer of OSI Model does a router work?

127. Which information is exchanged by Cisco devices on which CDP is running?

128. You executed the following command on your router: Router(config)# router ospf 15 Which command will you execute next to complete OSPF configuration on your router?

129. Which of the following services can be used to set up a database of MAC addresses that can be used for dynamic addressing of VLANs?

130. Which command will you use to configure IP address on an interface?

131. What is the binary value of 157?

132. What is the OUI portion of MAC address B4-3F-95-5F-1D-09 in binary?

133. Which one of the following addresses can be used as a host address for the subnet 192.168.50.16/28?

134. Which of the following are stored in RAM?

135. Which of the following commands show Cisco IOS image file name?

136. Which type of NAT uses different ports to map multiple IP addresses to a single global IP address?

137. What do you understand from the following commands: access-list 110 deny tcp 192.168.10.0 0.0.0.255 any eq 21 access-list 110 permit ip any any

138. State whether True or False: You can only create that number of VLANs which are equivalent to the number of ports on a switch.

139. Which of the following VLANs is recommended by Cisco to be used as an administrative VLAN?

140. How many bearer(B) and data(D) channel/s are there in a standard ISDN BRI service?

141. What is the command to show Frame relay map table?

142. State whether True or False: You have two routers connected with point-to-point links using different encapsulation methods. They will be able to communicate with each other.

143. Which encapsulation method will you choose if you want to connect a Cisco router and a non Cisco router with a serial connection?

144. Which key combination is used to interrupt the boot sequence of a router?

145. Which protocol uses port number 23?

146. What is the decimal equivalent of binary 11001110?

147. How many access control lists can be applied on an interface?

148. What is the command for copying a router's IOS to a TFTP server?

149. You are not able to create a new VLAN and cannot delete or change existing VLANs on a switch. What could be the problem?

150. What is the network ID of IP address 172.16.40.0/20?

151. Which of the following is a Multicast Address?

152. In which of the following memories is Mini-IOS or bootloader of a router stored?

153. What is the number of collision domains on a 16 port switch?

154. Which of the following command is used to set console password?

155. Which of the following must be configured on a switch to segment Broadcast Domain?

156. Which device breaks up a Broadcast Domain by default?

157. Which of the following is a valid unicast IP address?

158. Which protocol is used to find the MAC address of a device whose IP address is known?

159. Which two authentication methods can be used with PPP links?

160. What is the maximum number of hosts allowed on subnet 172.16.50.75/22?

161. What is the binary value of hex BF?

162. Which technique is used by transport layer?

163. If you have a subnet mask of /26 for a class C network, how many subnets and host per subnet will you get?

164. Which frame-tagging methods can be used for creating a trunk link between Cisco and Non Cisco switches?

165. ______________ in sonet are analogous to the ________________ of t-carriers.

166. An ip address is composed of two parts, one is the ____________ id and one is the host id.

167. Configuring firewall policies is viewed as much as a(n) __________ as it is a(n) __________.

168. In a client/server design, a database server ____.

169. In the tcp/ip protocol suite, ____ is the core protocol responsible for logical addressing.

170. Ospf and ____ are two examples of routing protocols that support multiple types of services.

171. Rip uses only ______________ to determine the best path to an internetwork.

172. Routers usually are connected in a ________ topology.

173. Smtp operates from port ____.

174. Vmware and parallels desktop software are examples of ____

175. With a switched backbone network, the equipment is usually placed in a ______.

176. Tcp is a(n) ____ subprotocol.

177. The hardware that actually produces your hard-copy documents is called a _______.

178. Powershell web access gateway allows _______.

179. A popular network protocol is ____, which today is the backbone of the internet.

180. ________ can be used as pointers.

181. A class diagram is a(n) _____ model.

182. A usb port can support a total of ______ devices through the use of hubs.

183. Each of the following describes erp systems except _________.

184. Failure to lock database records before updating them may result in a ____ between processes.

185. Hackers can be generalized into two skill groups: expert and ____________________.

186. When using classful ipv4 addressing, a network id always ends with an octet of ____.

187. When the host portion of an ip address is all binary ones, that address is a ____ identifier

188. A(n) _______ is stored within the destination file and remains connected to the source file.

189. A(n) ____ is a compilation of information about all the networks that the router can reach.

190. When setting up a new router the first action after your initial login should be to _______.

191. A ____ occurs when two transmissions interfere with each other

192. A _______ is where responsibility of a network shifts from one organization to another.

193. The output of the statement: cout << pow(3.0, 2.0) + 5 << endl; is ____.