Test your basic knowledge |

Subjects : cisco, it-skills, ccna
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Why is flow control used for TCP data transfer?






2. What can be a problem that is reduced by adding end-to-end addressing?






3. 3 statements about the role of routers in the network






4. What is the purpose of the TCP/IP Network Application Layer?






5. What application layer protocol is used to support file transfers between client and server?






6. There are 4 different hosts connected to a hub - media is being transfered between 2 of them but the other 2 will also like to transfer media. What must the latest hosts do to transfer the media?






7. What is the purpose of a default gateway?






8. Which characteristics describe fiber optic cable?






9. What is a component of a routing table entry?






10. What is the role of the OSI Application Layer?






11. What are 2 features of User Diagram Protocol (UDP)?






12. There are too many broadcasts on switches - what can be done?






13. Which combination of keys can be used to interrupt a ping or traceroute process?






14. What kind of problems are caused by excessive broadcast traffic on network segments?






15. When do changes take effect in a Cisco router?






16. What is the purpose of the preamble in an ethernet frame?






17. 3 measures of data transfer






18. What is dinamically selected by the source host when forwarding data?






19. What is the purpose of resource records in DNS?






20. What subnet mask will an admin assign to the network address 172.30.1.0 if its possible to have 254 hosts?






21. At which layers of the OSI model does ethernet operate?






22. If you have a full-duplex operational network - what can happen?






23. If you have a small network w/ 3 computers...






24. What 2 type of cables would most commonly be used for new runs?






25. After an ethernet collision - which device has priority to transmit data?






26. If you have an Ethernet Frame w/ a Header - Data and a Trailer. It is a...?






27. During encapsulation - what happens in the Data Link Layer?






28. What type of routing uses information that is manually entered into the routing table?






29. What are 3 properties of contention-based media access for a shared media?






30. A router interface has been assigned an IP address of 172.16.192.166 with a mask of 255.255.255.248. To which subnet does the IP address belong?






31. If the router says: 'Switch-East4#' What identifies the CLI mode represented?






32. What is PDU?






33. What causes crosstalk within cable pairs when using UTP?






34. What is a benefit of a WAN?






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






36. Why are port numbers included in the TCP header of a segment?






37. When a device is moved from one network to the other...?






38. What connectors are commonly associated w/ Cisco's V.35 serial cables?






39. An admin wants to evaluate all traffic in a network. To ensure that all packets are captured - what network device should be used?






40. 3 primary functions of the data link layer encapsulation






41. What is the primary funcion of the trailer in the Data Link Layer encapsulation?






42. If you have a PC - 3 routers and a Laptop... How many unique CRC calculation will take place as traffic routes from the PC to the Laptop?






43. What can you identify when you examine the Network Layer header?






44. 3 characteristics of valid Ethernet Layer 2 addresses






45. Which type of cable is most often associated w/ fiber-optic cable?






46. What process routers use to determine the subnet network address w/ an IP address and a subnet mask?






47. What are 2 forms of application layer software?






48. What device can check for faults - integrity and performance of media?






49. What command is used to change the default name to 'Costas'?






50. After a browser makes a request to a web server in the standard port - what will be the port number in the TCP header?