| Question 1 | Which of the following commands can be issued from the command line on a router to directly check the connectivity between one router and another on a TCP/IP network? (Select all that apply.) -
A. ping -
B. enable -
C. trace -
D. show ip arp |
| Question 2 | Traffic is not passing between a router at the core of your network and the border router connected to your leased line to the ISP. Your network has several routers. You know the path that packets should take from the core router to the border router. You wish to determine which of the routers may have failed by attempting to view the path that packets take from the core router to the border router. Which of the following IOS commands, used once, will enable you to do this assuming that you are logged in to the console of the core router and know the IP address of the border router? -
A. path -
B. trace -
C. show route -
D. ping |
| Question 3 | Which of the following are methods via which configuration tasks can be performed on Cisco routers? (Select all that apply.) |
| Question 4 | You wish to configure a Cisco router via a telnet session. Which of the following TCP ports will the router accept a telnet connection on? -
A. Console port -
B. Port 21 -
C. Port 23 -
D. Port 25 -
E. Port 80 |
| Question 5 | Which of the following Cisco IOS 12.x commands will display the IP address information of all of the interfaces on a Cisco router? (Select one.) |
| Question 6 | Which of the following Cisco IOS 12.x commands will not display IP address information for interface e0? (Select all that apply.) |
| Question 7 | You are connecting to a Cisco router via the console port from a laptop computer, attempting to diagnose a problem with the router's configuration. Which of the following COM settings should you use on the laptop to correctly connect to the router via the console port? -
A. 9600bps, 8 data bits, no parity, 1 stop bit, no flow control -
B. 9600bps, 7 data bits, parity, 1 stop bit, no flow control -
C. 9600bps, 8 data bits, parity, 1 stop bit, flow control -
D. 9600bps, 7 data bits, no parity, 1 stop bit, flow control -
E. 9600bps, 8 data bits, no parity, 1 stop bit, flow control |
| Question 8 | You are on site trying to diagnose a problem with a Cisco 2500 series router. To perform this diagnosis, you need to get access to the router. To do this, you will be using a cable to connect to the Cisco router's console port from your laptop via a 9-pin com port. Which of the following cables should you use to make this connection? (Select two.) |
| Question 9 | You are considering upgrading the version of IOS that runs on the routers in your organization. You have stored the newer version of IOS on a TFTP server. Which of the following IOS commands can be used to copy an IOS image from a TFTP server to the flash memory on a router? -
A. copy flash tftp -
B. download ios image -
C. copy image flash -
D. copy tftp flash |
| Question 10 | You are interested in backing up a router's running configuration to your TFTP server. This is done so that if alterations are made in the future, the current configuration can quickly be restored. Which of the following IOS commands will allow you to do this? |
| Question 11 | You are in the process of assigning hostnames to routers on your network. You have decided that each router on your network requires a different name so that it is obvious to whomever is remotely configuring the router which router they are working on. Which of the following commands will set a router's hostname to ROOSKA? |
| Question 12 | Which of the following IOS commands will set the message for all terminal connections to the router to "Welcome to Router Rooslan"? -
A. set banner #Welcome to Router Rooslan# -
B. banner motd #Welcome to Router Rooslan# -
C. set motd #Welcome to Router Rooslan# -
D. configure motd #Welcome to Router Rooslan# -
E. configure banner #Welcome to Router Rooslan# |
| Question 13 | You have 10 routers in your network. You believe that one of these routers has failed, but you are not sure which one. You know the IP addresses of interfaces on each of the routers. You are logged in to the console of one of these 10 routers and have verified that this router is fully functional. Which of the following IOS commands can you use to check the network connectivity of other routers in the network? (Select all that apply.) -
A. show cdp neighbors -
B. ping -
C. pathping -
D. display network |
| Question 14 | Rooslan is configuring a new network and wishes to assign the final IP host address at the end of the IP address range 10.10.224.0 /20 to interface e0 on a Cisco 2500 series router. This should be an addressable host address and only one number below the network broadcast address. Which of the following commands can Rooslan use to do this assuming that he is at the interface configuration prompt for e0? -
A. Router(config-if)#ip address 10.10.224.1 255.255.255.0 -
B. Router(config-if)#ip address 10.10.224.1 255.255.248.0 -
C. Router(config-if)#ip address 10.10.239.254 255.255.248.0 -
D. Router(config-if)#ip address 10.10.239.254 255.255.240.0 -
E. Router(config-if)#ip address 10.10.255.254 255.255.240.0 |
| Question 15 | You are configuring a router that will separate the 192.168.20.224 /29 network connected to interface e0 from the 192.168.20.192 /28 network on interface s1. Which of the following, from the interface configuration prompt for e0, will configure the interface with a correct host address? (Select all that apply.) -
A. Router(config-if)#ip address 192.168.20.193 255.255.255.240 -
B. Router(config-if)#ip address 192.168.20.193 255.255.255.248 -
C. Router(config-if)#ip address 192.168.20.225 255.255.255.240 -
D. Router(config-if)#ip address 192.168.20.225 255.255.255.248 -
E. Router(config-if)#ip address 192.168.20.231 255.255.255.248 -
F. Router(config-if)#ip address 192.168.20.129 255.255.255.240 |
| Question 16 | You are investigating using VLANs to improve the utilization of bandwidth on your company's network. Which of the following hardware devices is used on a local area network to directly provide VLAN functionality? -
A. Router -
B. Switch -
C. Bridge -
D. Hub |
| Question 17 | Which of the following operating systems can be installed on a Cisco router, enabling it to be configured to route packets, implement access lists, and provide routing protocol updates to other routers on the network? -
A. Linux -
B. IOS -
C. FreeBSD -
D. Windows Server 2003 -
E. Solaris |
| Question 18 | You are attempting to determine the nature of devices connected to your Cisco router while logged in to IOS via the console cable. All devices on your network are Cisco products. Which of the following commands will inform you if the Cisco products present on the network are routers, switches, or repeaters? -
A. list network devices -
B. ping devices -
C. identify connections -
D. show cdp neighbors -
E. trace neighbors |
| Question 19 | You are connected to a central router that has several other routers connected to it. You wish to generate a list of all of the IOS versions in use on those routers. Which of the following IOS commands can you use from the console to generate this information? |
| Question 20 | Which of the following commands will shut down an interface, suspending connectivity between the router and the network connected to that interface as well as informing routing protocols that this interface is unavailable? -
A. Router(config-if)# shutdown -
B. Router(config-if)# stop -
C. Router(config-if)# halt -
D. Router(config-if)# terminate -
E. Router(config-if)# bootdown |
| Question 21 | You are the network administrator of a network that has five routers. You have the following information: Interface e0 on Router 1 connects to network 192.168.10.0 /28 Interface s1 on Router 1 has an IP address of 192.168.10.18 Interface s1 on Router 2 connects to network 192.168.10.48 /28 Interface s2 on Router 2 connects to network 192.168.10.64 Interface e0 on Router 2 has an IP address of 192.168.10.2 Interface e0 on Router 3 connects to network 192.168.10.16 /28 Interface s1 on Router 3 has an IP address of 192.168.10.33 Interface s1 on Router 4 has an IP address of 192.168.10.50 Interface e0 on Router 4 connects to network 192.168.10.32 Interface s2 on Router 4 connects to network 192.168.10.80 Interface s0 on Router 5 has an IP address of 192.168.10.66 Interface e0 on Router 5 has an IP address of 192.168.10.82 Which of the following commands can be issued while maintaining connectivity between all of the routers? -
A. On interface e0 on Router 1 issue the shutdown command. On interface s1 on Router 3 issue the shutdown command. -
B. On interface e0 on Router 1 issue the shutdown command. On interface s1 on router 2 issue the shutdown command. -
C. On interface e0 on Router 1 issue the shutdown command. On interface e0 on Router 4 issue the shutdown command. -
D. On interface e0 on Router 1 issue the shutdown command. On interface e0 on Router 3 issue the shutdown command. |
| Question 22 | Which of the following numbers are the same in decimal, binary, and hexadecimal? (Perform the conversion without a calculator. Select all that apply.) -
A. Decimal: 255, Hexadecimal: FF, Binary: 11111111 -
B. Decimal: 254, Hexadecimal: FD, Binary: 11111110 -
C. Decimal: 252, Hexadecimal: FC, Binary: 11111101 -
D. Decimal: 248, Hexadecimal: F7, Binary: 11111000 -
E. Decimal: 240, Hexadecimal: F0, Binary: 11110000 -
F. Decimal: 224, Hexadecimal: E0, Binary: 11100000 |
| Question 23 | Which of the following IP addresses is correctly converted into hexadecimal notation? (Perform the conversion without a calculator. Select all that apply.) -
A. 10.23.193.237 = 0A.17.C1.ED -
B. 10.178.19.113 = 0A.B1.13.71 -
C. 10.42.164.211 = 0A.2B.A4.D3 -
D. 10.191.37.123 = 0A.BF.26.7B -
E. 10.77.228.100 = 0A.4D.E4.64 |
| Question 24 | Which of the following network devices configures the network so that each individual host on the LAN is connected to its own individual segment? -
A. Router -
B. Hub -
C. Bridge -
D. Repeater -
E. Switch |
| Question 25 | Which of the following statements about WANs and LANs are true? (Select all that apply.) -
A. Hosts on WANs are generally connected together via high speed data links. -
B. Hosts on LANs are generally connected together via high speed data links. -
C. Hosts on WANs share close geographic proximity to each other. -
D. Hosts on LANs share close geographic proximity to each other. -
E. Frame Relay is a technology likely to be used on a WAN. -
F. Frame Relay is a technology likely to be used on a LAN. |
| Question 26 | You are configuring a local area network in a star topology. Your network will not need to send any traffic to remote networks. Which of the following devices can form the core of a star topology where there are more than 20 hosts? (Select two.) -
A. Router -
B. Switch -
C. Hub -
D. Bridge -
E. Repeater |
| Question 27 | Which of the following configuration settings does a host on a TCP/IP network require in order to communicate with hosts on a remote TCP/IP network? (Select all that apply.) |
| Question 28 | In which of the following situations would using CAT 5 UTP cable be inappropriate on a LAN? (Select all that apply.) -
A. In an environment where there is a large amount of electromagnetic interference. -
B. Where a host is 90 meters away from the nearest switch. -
C. On Token Ring networks. -
D. Where bandwidths of 1 gigabit per second need to be supported. -
E. Where a host is 340 meters away from the nearest switch. |
| Question 29 | Which of the following are properties of the 100BASE-FX standard? (Select all that apply.) -
A. Runs on Cat 6 UTP cable. -
B. Runs on fiber- optic cable. -
C. Able to run a maximum length of 200 meters from the switch without signal enhancement. -
D. Able to run a maximum length of 412 meters from the switch without signal enhancement. -
E. Runs at 100 Megabit per second. -
F. Runs at 1 Gigabit per second. |
| Question 30 | Which of the following technologies are likely to be used when implementing a WAN but not likely to be used when implementing a LAN? (Select all that apply.) -
A. Leased line -
B. ATM -
C. Frame Relay -
D. PPP -
E. Gigabit Ethernet |
| Question 31 | Which of the following technologies are likely to be used to connect two networks in a LAN but not two networks in a WAN? -
A. ISDN -
B. Frame Relay -
C. 100BASE-FX -
D. 100BASE-TX -
E. FDDI -
F. Gigabit Ethernet |
| Question 32 | Which of the following statements about IOS is false? (Select all that apply.) -
A. IOS is a graphic interface to configure a Cisco router. -
B. IOS runs on almost all routers and most switches in the Cisco range. -
C. IOS images are stored in a router's flash memory. -
D. IOS contains six exec modes: user mode, delineated mode, privileged mode, extended mode, rescue mode, and control mode. |
| Question 33 | Which of the following are configuration modes that are available once Privileged EXEC mode is entered when logged into the IOS CLI via the console cable? (Select all that apply.) -
A. Global configuration mode -
B. Auxiliary configuration mode -
C. Router configuration mode -
D. UTP configuration mode -
E. Line configuration mode -
F. Interface configuration mode |
| Question 34 | Which of the following statements describe roles of a router on a WAN? (Select all that apply.) -
A. A router determines which packets need to be forwarded to remote networks via the WAN line and which packets should remain on the local network. -
B. A router can be configured to initiate a WAN connection when traffic meeting specific criteria is encountered . -
C. Routers on WANs are limited to using the TCP/IP protocol. -
D. Routers are used to forward broadcast traffic to remote sites. |
| Question 35 | Which of the following areas of router hardware is used to store the running or active configuration? -
A. RAM -
B. ROM -
C. Flash memory -
D. NVRAM |
| Question 36 | Which of the following areas of router hardware is used to store the complete IOS images? -
A. RAM -
B. ROM -
C. Flash memory -
D. NVRAM |
| Question 37 | Which of the following best represents the order in which a router starts up? -
A. Load Bootstrap Code; POST; Find and Load IOS Software; Find and Load Configuration. -
B. Load Bootstrap Code; Find and Load Configuration; POST; Find and Load IOS Software. -
C. POST; Load Bootstrap Code; Find and Load IOS Software; Find and Load Configuration. -
D. POST; Load Bootstrap Code; Find and Load Configuration; Find and Load IOS Software. -
E. POST; Find and Load IOS Software; Load Bootstrap Code; Find and Load Configuration. |
| Question 38 | Understanding a router's bootup sequence is essential knowledge for a CCNA candidate. Which of the following occurs immediately before the startup-configuration is located in the router bootup sequence? -
A. POST -
B. Load Bootstrap Code -
C. Find IOS Software -
D. Load IOS Software -
E. Load Configuration |
| Question 39 | Which of the following are properties of the configuration register on a modern Cisco 2500 series router? (Select all that apply.) -
A. It is a 16-bit software register in the router and its value is set via the config-register global config command. -
B. It is a 16-bit hardware register in the router and its value is set via jumpers . -
C. It is a 64-bit software register in the router and its value is set via the config-register global config command. -
D. The configuration register instructs the router which of the three operating systems: full function IOS, limited function IOS, or ROMMON to load. |
| Question 40 | The passwords for a Cisco 7200 series router have been lost. You want to enter ROMMON mode so that you can reset the configuration register, configuring the router to boot ignoring NVRAM, allowing the console user to change the passwords. You are connected to the router via a console cable and laptop running HyperTerminal. You cycle the router's power. Which of the following steps will bring you into ROMMON mode, allowing you to change the configuration registers? -
A. Press the <insert> key on the laptop's keyboard within 60 seconds of the power of the router being cycled. -
B. Press the <ctrl>, <alt>, and <delete> keys together on the laptop's keyboard within 60 seconds of the power of the router being cycled. -
C. Press the <F1> key on the laptop's keyboard within 60 seconds of the power of the router being cycled. -
D. Press the <ctrl> and <c> keys together on the laptop's keyboard within 60 seconds of the power of the router being cycled. -
E. Press the <break> key on the laptop's keyboard within 60 seconds of the power of the router being cycled. |
| Question 41 | Which of the following statements about routing is correct? -
A. Data is forwarded based on its Layer 2 address. -
B. Data is forwarded based on its Layer 3 address. -
C. Routing protocols are used to update routing tables. -
D. Routed protocols are used to update routing tables. -
E. All routing protocols broadcast route information every 60 seconds to other routers. |
| Question 42 | Which of the following protocols can be used by routers to determine the best path to a remote network? -
A. IGRP -
B. EIGRP -
C. FTP -
D. HTTP -
E. RIP -
F. OSPF |
| Question 43 | Oksana has been allocated a single /24 subnet, 172.16.1.0, to divide between four different office locations. The first location has 112 addressable hosts, the second location has 50 addressable hosts, the third location has 28 addressable hosts, and the fourth location has 16 addressable hosts. Which of the following schemes will properly divide the allocated subnet so that each location gets the necessary number of host addresses? -
A. SCHEME ONE Location 1 : 172.16.1.0 /25 Location 2 : 172.16.1.128 /26 Location 3 : 172.16.1.192 /26 Location 4 : 172.16.1.224 /27 -
B. SCHEME TWO Location 1 : 172.16.1.0 /26 Location 2 : 172.16.64.0 /26 Location 3 : 172.16.128.0 /26 Location 4 : 172.16.192.0 /26 -
C. SCHEME THREE Location 1 : 172.16.1.0 /25 Location 2 : 172.16.128.0 /26 Location 3 : 172.16.192.0 /27 Location 4 : 172.16.224.0 /27 -
D. SCHEME FOUR Location 1 : 172.16.1.0 /25 Location 2 : 172.16.1.128 /26 Location 3 : 172.16.1.192 /27 Location 4 : 172.16.1.224 /27 |
| Question 44 | Rooslan needs to resubnet a single /24 subnet into 15 networks with a maximum of 12 hosts per network. He wants to use a single consistent subnet mask for all of these networks. He will be using routers running the latest version of IOS. What will be the CIDR notation for the subnet mask that he will use to achieve this? -
A. /25 -
B. /26 -
C. /27 -
C. /28 -
E. /29 |
| Question 45 | You are trying to explain to your boss the difference between bridges and routers, and the situations where each piece of equipment is appropriate. Which of the following statements best summarize these differences? -
A. Bridges segment a network into separate collision domains while forwarding broadcast traffic; routers divide networks into different broadcast domains. -
B. Bridges divide networks into different broadcast domains. Routers segment a network into separate collision domains while forwarding broadcast traffic. -
C. Routers shift traffic at Layer 3 or the OSI model; bridges shift traffic at Layer 2 of the OSI model. -
D. Routers shift traffic at Layer 2 or the OSI model; Bridges shift traffic at Layer 3 of the OSI model. |
| Question 46 | A particular device on the network exhibits the following properties. This device generally has two interfaces, though in some cases can have more. Unicast frames are forwarded to an interface based on a table that remembers which MAC address is connected to each interface. This table is generated by noting the source MAC address of each frame that enters the device through a particular interface. This device forwards broadcast and multicast frames to all interfaces. Which of the following devices fits this description? -
A. Router -
B. Bridge -
C. Hub -
D. Repeater |
| Question 47 | You have a subnet of 100 hosts on a LAN. All of these hosts are connected to one of two 60-port hubs, each hub connecting 50 of the hosts. The two hubs are connected together directly. Taking which of the following actions will half the size of the collision domain without re-subnetting the network? -
A. Removing the two 60-port hubs and replacing them with two 60-port switches. -
B. Placing a router between the two hubs. -
C. Placing a bridge between the two hubs. -
D. Placing a repeater between the two hubs. |
| Question 48 | You have 120 hosts on a LAN that is increasingly becoming bogged down with broadcast traffic. The LAN is configured with four interconnected 50-port hubs, each with 30 hosts connected. Which of the following methods could you use to reduce the amount of congestion associated with broadcast traffic? -
A. Changing the four hubs to four switches. -
B. Placing bridges between each hub-to-hub connection. -
C. Connecting each of the four hubs to a switch instead of to each other and allow the switch to mediate traffic. -
D. Re-subnet the network into two networks. Place a router in the middle. Connect two hubs to one network and two hubs to the other. |
| Question 49 | A switch has been installed on a LAN where a small, but significant proportion of frames that contain errors are being transmitted. Rather than have these frames be forwarded by the switch, it has been decided that all frames with errors should be dropped by the switch entirely. Which of the following switching methods would allow this to occur? -
A. Store and forward -
B. Fragment free -
C. Cut through -
D. Hybrid |
| Question 50 | You are installing a switch on a LAN where the absolute minimum of latency between a packet entering and leaving the switch is required. Error correction is not an important consideration. Which of the following switching methods would best suit the requirement? -
A. Store and Forward -
B. Fragment Free -
C. Cut Through -
D. Hybrid |
| Question 51 | A segment of ethernet on your network uses CSMA/CD. Which of the following statements about what occurs next , when a collision is detected , is true? -
A. The sending host randomizes a timer and waits until that timer expires before attempting to send again. -
B. The sending host sends again after a predetermined period. -
C. The sending host listens until the segment has no traffic and then retransmits. -
D. The sending host analyses the collision frame and retransmits immediately if a broadcast frame is detected. -
E. The sending host analyses the collision frame and retransmits immediately if a multicast frame is detected. |
| Question 52 | When CSMA/CD is in use on an Ethernet network and a host wishes to initiate a unicast transmission to another host, which of the following steps occurs first? -
A. The primary host checks the segment to determine if it is currently hosting traffic. -
B. The primary host initiates a transmission that switches the network into a hold state. -
C. The primary host requests a token from the destination host. -
D. The primary host receives a token from the segment. |
| Question 53 | Host A has an IP address of 10.10.20.55. Host B has an IP address of 10.10.20.60. Both are on the 10.10.20.0 /24 network. Host A has information that it needs to transfer to Host B. Host A does not have the MAC address of Host B, but does know Host B's IP address. Which of the following protocols will Host A use to determine Host B's MAC address? -
A. RIPv2 -
B. IGRP -
C. OSPF -
D. ARP -
E. EIGRP |
| Question 54 | Which of the following ICMP message names corresponds to the correct description of the message type? -
A. Destination Unreachable: Source informed that there is a problem delivering the packet. -
B. Time Exceeded: Packet discarded after the amount of time it takes for the packet to be delivered exceeds a specific value. -
C. Source Quench: The ping command uses a source quench to verify connectivity between two hosts. -
D. Redirect: Router informs sender that a better route exists. -
E. Echo: The source is sending data too fast and a request is sent to slow the rate of transmission. |
| Question 55 | Which of the following WAN services uses packet switching? (Select all that apply.) -
A. HDLC -
B. LAPB -
C. Frame Relay -
D. ATM -
E. X.25 |
![CCNA Exam Cram[tm] 2 (Exams 640-821, 640-811, 640-801)](/icons/blank_book.jpg "CCNA Exam Cram[tm] 2 (Exams 640-821, 640-811, 640-801)"){kind=icon}