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• Dileep Damodaran

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CCNA Exam 200-120 Section 1 1. Which of the following statements is/are true with regard to the device shown below? (Choose all that apply.)

A. It includes one collision domain and one broadcast domain B. It includes one collision domain and 10 broadcast domains C. It includes 10 collision domains and one broadcast domain D. It includes one collision domain and 10 broadcast domains E. It includes 10 collision domains and 10 broadcast domains. 2. With respect to the OSI model, which of the following are correct statements about PDUs? A. A segment contains IP addresses. B. A packet contains IP addresses. C. A segment contains MAC addresses. D. A packet contains MAC addresses 3.You are the Cisco administrator for your company. A new branch office is opening and you are selecting the necessary hardware to support the network. There will be two groups of computers, each organized by department. The Sales group computers will be assigned IP addresses ranging from 192.168.1.2 to 192.168.1.50. The Accounting group will be assigned IP addresses ranging from 10.0.0.2 to 10.0.0.50. What type of device should you select to connect the two groups of computers so that data communication can occur? A. B. C. D.

Hub Switch Router Bridge

4. The most effective way to mitigate congestion on a LAN would be to A. Upgrade the network cards B. Change the cabling to CAT 6 C. Replace the hubs with switches D. Upgrade the CPUs in the routers

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5. You need to provide network connectivity to 150 client computers that will reside in the same sub network, and each client computer must be allocated dedicated bandwidth. Which device should you use to accomplish the task? A. Hub B. Switch C. Router D. Bridge 6. Which of the following is an example of a routed protocol? A. EIGRP B. IP C. OSPF D. BGP 7. Which of the following is NOT a function carried out on the Application layer of the OSI model? A. email B. data translation and code formatting C. file transfers D. client/server processes 8. Which of the following layers of the OSI model was later subdivided into two layers? A. Presentation B. Transport C. Data Link D. Physical 9. An example of a device that operates on the physical layer is a A. Hub B. Switch C. Router D. Bridge

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10.Which of the following is NOT a benefit of using a reference model? A. divides the network communication process into smaller and simpler components B. encourages industry standardization C. enforces consistency across vendors D. allows various types of network hardware and software to communicate

11.Which of the following statements is not true with regard to routers? A. They forward broadcasts by default B. They can filter the network based on Network layer information C. They perform path selection D. They perform packet switching 12.Switches break up _______ domains and routers break up ___ domains. A. broadcast, broadcast B. collision, collision C. collision, broadcast D. broadcast, collision 13. How many collision domains are present in the diagram below?

14. How many collision domains are present in the diagram below?

A. eight B. nine C. ten D. eleven 15. Which of the following layers of the OSI model is not involved in defining how the applications within the end stations will communicate with each other as well as with users? A. Transport B. Application C. Presentation D. Session 16.Which if the following is the ONLY device that operates at all layers of the OSI model? A. Network host B. Switch C. Router D. Bridge

Section 2 1. On a VLSM network, which mask should you use on point-to-point WAN links in order to reduce the waste of IP addresses? A. /27 B. /28 C. /29 D. /30 E. /31 2. In the diagram below, in order to have as efficient IP addressing as possible, which network should use a /29 mask?

A.

A

B.

B

C.

C

D.

D

3. To use VLSM, what capability must the routing protocols in use possess? A. Support for multicast B. Multiprotocol support C. Transmission of subnet mask information D. Support for unequal load balancing

4. If Host A is configured with an incorrect default gateway and all other computers and the router are known to be configured correctly, which of the following statements is TRUE? A. Host A cannot communicate with the router. B. Host A can communicate with other hosts in the same subnet. C. Host A can communicate with hosts in other subnets. D. Host A can communicate with no other systems. 5. Which of the following troubleshooting steps, if completed successfully, also confirms the other steps will succeed as well? A. ping a remote computer B. ping the loopback address C. ping the NIC D. ping the default gateway 6. When a ping to the local host IP address fails, what can you assume? A. The IP address of the local host is incorrect. B. The IP address of the remote host is incorrect. C. The NIC is not functional. D. The IP stack has failed to initialize. 7. When a ping to the local host IP address succeeds but a ping to the default gateway IP address fails, what can you rule out? (Choose all that apply.) A. The IP address of the local host is incorrect. B. The IP address of the gateway is incorrect. C. The NIC is not functional. D. The IP stack has failed to initialize. 8.When you issue the ping command, what protocol are you using? A. DNS B. DHCP C. ARP D. ICMP 9.What network service is the most likely problem if you can ping a computer by IP address but not by name? A. DNS B. DHCP C. ARP D. ICMP

10.Which of the following commands displays the networks traversed on a path to a network destination? A. ping B. traceroute C. pingroute D. pathroute 11.What command generated the output shown below? Reply from 172.16.10.2: Reply from 172.16.10.2: Reply from 172.16.10.2: Reply from 172.16.10.2: A. traceroute B. show ip route C. ping D. pathping

bytes=32 bytes=32 bytes=32 bytes=32

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