Ccna-Practice Certification Exam

CCNA Practice Certification Exam # 2- CCNA Exploration: Accessing the WAN (Version 4.0)

1. Refer to the exhibit. The exhibit shows simplified protocol data units from different OSI model layers. Which three statements are true about the PDUs and the encapsulation process? (Choose three.)

| PDU #1 is a frame. |

| PDU #2 is an application layer PDU |

| PDU #3 is a segment. |

| PDU #4 is a transport layer PDU. |

| The order in which these PDUs are created during the encapsulation process is 3, 4, 1, 2. |

| The order in which these PDUs are created during the encapsulation process is 2, 1, 4, 3. |

2. Which three application layer protocols use TCP? (Choose three.)

| SMTP |

| FTP |

| SNMP |

| HTTP |

| TFTP |

| DHCP |

3. Which two application layer protocols use the UDP protocol? (Choose two.)

| Telnet |

| SNMP |

| SMTP |

| SQL |

| TFTP |

4. What are two functions that occur at the Internet layer of the TCP/IP model? (Choose two.)

| establishment of logical connections between source and destination hosts |

| end-to-end flow control |

| determination of best paths through the network |

| definition of the procedures used to interface with the network hardware |

| packet switching |

| Layer 5 and Layer 6 OSI model functions |

5. Refer to the exhibit. All ports on switch A are in the sales VLAN and all ports on switch B are in the accounting VLAN. How many broadcast domains and how many collision domains exist in the exhibited network? (Choose two.)

| 3 collision domains |

| 3 broadcast domains |

| 5 broadcast domains |

| 9 collision domains |

| 10 collision domains |

| 13 collision domains |

6. A high-end Catalyst switch that supports both ISL and 802.1Q is to be connected by a link that will carry all VLAN traffic to a Catalyst 2960 LAN switch. What two commands are required to configure an interface on the high-end Catalyst switch to carry traffic from all VLANs to the Catalyst...